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Shree Cement: The New Sustainability

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Champion 10 factors that helped it make the gradeThere is a reason for putting Shree Cement on the cover in this issue. For an industry much maligned for its environmental impact, it is always welcome when members of this sector are honoured for their ability to practice innovative business solutions with sustainable development activities. The World Economic Forum (WEF) and Boston Consulting Group (BCG) by identifying and honouring Shree Cement as one of the 16 new Sustainability Champion Companies, has ensured that the sector will work even more zealously to earn more laurels for the sector.World Economic Forum (WEF) and Boston Consulting Group (BCG) have worked globally to identify New Sustainability Champion Companies that practice innovative business solutions with sustainable development objectives. As an initial part of this identification process, over 11 million projects / companies were screened. Following which, a few companies were further selected through a due diligence process, taking into consideration the sustainability aspect inculcated by them in their business. The top management personnel from around 200 of these short-listed companies were then engaged in a personal interview. They were interviewed on various related fields, considering their approach and work towards sustainability, innovation, scalability, geography and size. Based upon a detailed interview of Prashant Bangur, Executive Joint President of Shree Cement Limited (SCL), WEF identified SCL as one amongst 16 New World Sustainability Champions.Driving sustainabilityShree Cement inculcates sustainability in its business frame work based on the philosophy ‘Aah NA Bhadra: Kratavo Yantu Vishwatah’ (Let noble thought come to us from all over the world). The company’s sustainability policy aims to produce quality cement in in a socially responsible manner, with an eco-friendly, healthy and safe working environment approach, working toward continual improvement in the performance level."Our continual thirst to become steward in all spheres has led us to this reputed platform where we stand today," says Prashant Bangur, Executive Joint President of Shree Cement.The company has a 10-fold approach to ensure sustainability in all operations:Creativity and innovationShree Cement encourages its employees to think ‘Out of Box’, its "Jo Soche Wo Pave" scheme encouraged employees to provide innovative ideas and suggestions which are rewarded and communicated to spread the culture of innovative thinking."We believe that success comes through failure. Allowing failures encourage creative thinking and develop the attitude of creativity, risk taking and ultimately high performance," says Prashant Bangur.Employee creative ideas and innovations:

  • Developed synthetic gypsum to replace mineral gypsum for the first time in India.
  • Set a world record of commissioning a brown field clinkerization unit in a record time of 330 days.
  • Set a world record of commissioning a 46 MW of Waste Heat Recovery Based Green Power Plant in 17 months against the industry standard of 24 months.
  • Air lifted coal and raw mill from Germany to reduce the project execution time.
  • Installed the second largest waste heat recovery system in the world.

Resource and Energy ConservationA holistic view of Sustainability and care for the future generation through:

  • Conserving resources to ensure its availability for the future generation
  • Reducing emissions, cleaning environment and combating climate change

As an attempt to conserve fossil fuel, Shree Cement pioneered the use of petcoke as a replacement of fossil coal for the first time in India. Pet-coke has the properties of high sulphur, low volatile matter and harder grinding. Use of pet-coke came along with lots of constraints such as kiln jamming, low production and product quality but it also came as an opportunity to save precious fossil fuels. The company carried out extensive R&D and succeeded in pioneering its 100 per cent usage both in cement and power.Another initiative was to install India’s largest Air Cooled Condenser in its 2 X 150 MW power plant to replace the conventional water-cooled condensers, that ensured a current savings of 1 million KL water every year.One of the first process and cement manufacturing company in the world to obtain BS-EN 16001 Energy Management Certification, Shree Cement maintains one of lowest specific energy consumption for manufacturing its products.Environment FriendlinessThe company follows the philosophy of a Low Carbon Economy and work while following the maxim of clean and green is profitable. "They are members of various climate change initiatives like Cement Sustainability Initiative under the auspices of World Business Council of Sustainable Development (WBCSD)- Switzerland, GRI, TERI-BCSD etc.Waste UtilizationShree Cement began optimal use of fly ash in the cement manufacturing process in order to address the issues of fly ash disposal of power plants, while providing affordable cement to consumers and making planet better place. Use in cement makes the fly ash value added product thereby conserving limestone and fuels. The practice of using fly ash upto 35 per cent (which is maximum limit allowed by law), resulted in Shree Cement becoming the first cement manufacturing company in India to obtain CDM benefits for the same beginning July 2000.Similarly, the disposal of lead zinc slag was a serious problem for the zinc smelters. "However, our zeal to be opportunistic manufacturer provided us the threshold to utilise lead zinc slag, a waste of other industry thereby making us capable for laterite replacement from our operation. It also marked our "industrial ecologist" instinct. Besides, we have also demonstrated the use of agro-waste as a fuel replacement which is under validation for obtaining CDM benefits," says Prashant Bangur.The policy of Zero Disposals on LandMaintaining the lowest cost of production through:

  • Continual benchmarking with best achievements within Shree Cement and outside
  • Culture of challenging the established norms to find scope for further improvement
  • Focus on use of alternate raw material and fuels.

Empowering PeopleThe company empowers people by providing them with challenging roles, higher responsibilities, multi-skill jobs, faster career growth and healthy working practices; and encourage the youth.Engaging Local CommunityThe company promotes maximum employment from local community, in order to generate sustainable livelihood by assisting local community to engage in various livelihood creation activities. To ensure total prosperity in the community, it actively engages in initiatives focusing on infrastructure and water harvesting structure development, healthcare and women empowerment programs, educational awareness programs and plantation activities.Embracing New Technology"Our continuous focus is on technologies for enabling faster decisions through increasing speed and accuracy and releasing time which can be put to other productive uses," says Bangur. It is one of the first cement companies to implement ‘Operator Independent Truck Dispatch System’ at mines for automated truck dispatch. It also introduced remote surveillance system to track progress of projects on real time basis from office.Health and SafetyThe company’s facilities are certified to the OHSAS 18001:2007 standard. Committed to achieving its goal of becoming ‘Zero Accident Work Place’, Personal Protective Equipment is provided to all workers on the shop floor and their use is strictly enforced.Transparency and GovernanceThe company maintains an open door policy of inviting competitors and outsiders to visit its plants to interchange ideas. "We have highly analytical annual report covering detailed financial and non financial information. We are the first cement company to issue Corporate Sustainability Report based upon GRI guidelines," says Prashant Bangur.Successful implementation of some of the projects at SCL:-Thermal power plants have traditionally used Water Cooled Condenser (WCC) systems. Bearing in mind the location of our operations in one of India’s most water scarce regions, we operationalized the switch from a Water Cooled Condenser to Air Cooled Condenser system. Retrofitting of the old system to convert it to ACC was a challenging task requiring considerable skill; the retrofitting task was completed and the ACC was commissioned without any alignment problems.Implementation of air cooled condensers at its power plant in Beawar has enabled reduced water consumption by about 70 per cent.Waste heat utilization of Preheater & clinker coolerTwo major sources of heat rejection In a cement plant are pre-heater and clinker cooler hot gases. Waste heat recovery system installation in these two sources not only generates electricity also saves water for cooling down the gases. "Our earlier experience with the waste heat boiler in unit-I gave a strong background for installation of waste heat recovery system in other units with improved systems to generate electricity as well as to save the water used to cool down the gases," says Bangur. This has reduced water consumption by about 85 per cent in the power plant and 50 per cent in clinker production.

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Concrete

Efficient Cooling Solution Boosts Gearbox Uptime

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Efficient Oil Cooling for Gearbox in the Cement Industry. How a High-Performance Plate Heat Exchanger Ensured Thermal Stability and Operational Continuity.

Contributed by: Narendra Joshi and Sourabh Mishra

Application: Gearbox Oil Cooling
Objective: To maintain optimal oil temperature in high-viscosity lubrication systems for gearboxes in cement plants, ensuring uninterrupted operations and minimizing production losses due
to overheating.
Challenge: A prominent cement manufacturing company’s conventional cooling systems were failing to maintain the oil temperature within the optimal range, jeopardizing equipment performance and leading to avoidable downtime.

Background with the Existing System
In heavy-duty industrial applications, particularly in the cement industry, gearboxes are critical components that must operate under high mechanical loads and harsh conditions. These gearboxes rely on lubrication systems where oil plays a dual role, lubrication and heat dissipation. A recurring challenge in such setups is managing the temperature of the gearbox oil. When oil heats beyond a critical limit, its viscosity drops, reducing its ability to form a protective film. This leads to increased friction between components, heat generation, and eventual damage to gearbox components — directly impacting plant uptime and production output.

Delivering Sustainable Heat Transfer Solution with HRS FUNKE High Efficiency Heat Exchanger
This system was selected for its:

  • Excellent thermal performance, ensuring rapid and efficient oil cooling even with high-viscosity fluids.
  • Leakage-proof operation, with no cross-contamination between cooling water and lubrication oil.
  • Robust design, capable of withstanding high operating pressures and variable flow conditions.

The plate exchanger was custom configured based on the oil’s properties, desired outlet temperature, and ambient heat load, ensuring that the oil remained within the specified viscosity range necessary for maintaining gearbox operation and lubrication integrity.

Performance Benefits Delivered

  • Oil temperature control and maintained consistently within target range
  • Viscosity stability and prevented breakdown of lubrication film
  • Equipment reliability and reduced risk of gearbox overheating or failure
  • Production continuity and eliminated unplanned stoppages
  • Long-Term savings and lower maintenance costs and extended oil life

Solution: To address the problem, HRS Process Systems Ltd recommended the installation of a Funke Plate Heat Exchanger a compact, high-efficiency thermal solution engineered specifically for industrial lubrication oil cooling.

Conclusion: The customer achieved precision oil temperature control, ensuring that the gearboxes operated at optimal conditions. This not only safeguarded the mechanical integrity of the gearbox but also directly contributed to higher plant uptime and improved production efficiency in heavy industries like cement manufacturing.

(Communication by the management of HRS Process Systems Ltd)

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Concrete

How Upgrades Can Deliver Energy Savings Across the Cement Process

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Jacob Brinch-Nielsen, Vice President of Professional Services, FLSmidth Cement, brings together recommendations from experts across the flow sheet to demonstrate the role of upgrades in optimising the cement manufacturing process.

Improving energy efficiency in material transport
Pneumatic conveying offers a cleaner and more contained alternative to mechanical conveying. However, pneumatic systems can also be energy-intensive, with inefficiencies arising from air leakage, pressure losses, and outdated equipment designs. Optimising these systems can significantly reduce energy consumption and operating costs.
“One major challenge is maintaining efficient air-to-material ratios, as excessive air use leads to unnecessary power consumption,” explains Emilio Vreca, Manager of PT Product Engineering “Leaks in piping and inefficient compressors further compound energy losses. To address these issues, upgrading to the latest pneumatic conveying solutions can yield substantial improvements.”
The latest pump design—the Fuller-Kinyon® (FK) ‘N’ Pump—provides power savings of up to 15 per cent thanks to an improved seal, while an extended barrel and screw design have improved volumetric efficiency by more than 15 per cent. Similarly, the latest generation Ful-Vane™ Air Compressor has been engineered for increased energy efficiency, with an improved inlet area for capturing larger air flows and compatibility with variable frequency drives.

Optimising energy efficiency in packing and dispatch
Even minor inefficiencies in bagging and palletising can lead to higher maintenance demands, increased material waste, and unnecessary energy use. Reducing these inefficiencies is yet another lever to improve overall plant performance and sustainability.
Upgrading rotary packers enhances weighing accuracy, reduces spout-to-spout variations, and lowers reject rates, improving both product consistency and energy efficiency. Similarly, replacing pneumatic drive systems in palletisers with electric alternatives eliminates compressed air dependency, leading to more precise bag handling and reduced energy demand. These targeted upgrades help streamline operations while minimising environmental impact.
A key development in dust control is the FILLPro™ Dust Reduction Kit for GIROMAT® EVO. “By refining material flow and fluidisation, FILLPro reduces dust emissions at the source, improving bagging efficiency and plant cleanliness,” explains Gabriele Rapizza, Proposal Engineer. “This reduces material loss, prevents blockages, and cuts down on maintenance, helping plants achieve a more stable and energy-efficient packing operation.”

How services contribute to increased energy efficiency
In the past, many viewed the role of the supplier as a “sell-and-move-on” model. Things have certainly changed. As cement producers face challenging markets, heightened competition, and increasingly ambitious decarbonisation targets there is little room to tolerate inefficiencies within the plant. The paradigm has shifted such that the value of expert services is as essential as the initial equipment supplied. Furthermore, as digital solutions progress at speed, a fluid, long-term partnership gives cement plants the best platform to take advantage of the latest tools.
Whether it’s an audit to identify why energy efficiency has decreased from one year to the next, or even an optimisation package preparing your plant for carbon capture solutions – we are believers in the principle that there is always more we can do to improve efficiency. For example, our Online Condition Monitoring Services (OCMS) provide continuous monitoring of critical equipment such as the kiln, mills, cooler and fans, aggregating data and utilising advanced algorithms to identify potential trouble spots. As the OEM and an experienced full solutions provider, we can support these services with expert advice, not only alerting you to a problem but also providing recommendations as to how to remedy it or attending site to support you in person.

Small upgrades, big impact
Energy efficiency is a critical factor, influencing both operational costs and sustainability goals. While large-scale innovations such as carbon capture will play an essential role in long-term decarbonisation (and steal the headlines), incremental mechanical upgrades offer an immediate pathway to lower energy consumption with minimal disruption.
By optimising key process areas — grinding, dosing, combustion, cooling, and material transport — you can achieve measurable energy savings while improving performance and flexibility. These solutions provide a strong return on investment and pave the way for a more sustainable cement industry.

Part 3 of 3. Read Part 1 in the May issue of Indian Cement Review and Par 2 in the June issue of the Indian Cement Review magazine.

(Communication by the management of the company)

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Economy & Market

Hindalco Buys US Speciality Alumina Firm for $125 Million

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This strategic acquisition marks a significant investment in speciality alumina, a key step by Aditya Birla Group’s metals flagship towards becoming future-ready by scaling its high-value, technology-led materials portfolio.

Hindalco Industries, the world’s largest aluminium company by revenue and the metals flagship of the $28 billion Aditya Birla Group, has announced the acquisition of a 100 per cent equity stake in US-based AluChem Companies—a prominent manufacturer of speciality alumina—for an enterprise value of $125 million. The transaction will be executed through Aditya Holdings, a wholly owned subsidiary.

This acquisition represents a pivotal investment in speciality alumina and advances Hindalco’s strategy to expand its high-value, technology-led materials portfolio.

Hindalco’s speciality alumina business, a key pillar of its value-added strategy, has delivered consistent double-digit growth in recent years. It has emerged as a high-growth, high-margin vertical within the company’s portfolio. As speciality alumina finds expanding applications across electric mobility, semiconductors, and precision ceramics, the deal positions Hindalco further up the innovation curve, enabling next-generation alumina solutions and value-accretive growth.

Kumar Mangalam Birla, Chairman of Aditya Birla Group, called the acquisition an important step in their global strategy to build a leadership position in value-added, high-tech materials.

“Our strategic foray into the speciality alumina space will not only accelerate the development of future-ready, sustainable solutions but also open new pathways to pursue high-impact growth opportunities. By integrating advanced technologies into our value chain, we are reinforcing our commitment to self-reliance, import substitution, and building scale in innovation-led businesses.”

Ronald P Zapletal, Founder, AluChem Companies, said the partnership with Hindalco would provide AluChem the ability and capital to scale up faster and build scale in North America.

“AluChem will benefit from their world-class sustainability and safety standards and practices, access to integrated operations and a consistent, reliable raw material supply chain. Their ability to leverage R&D capabilities and a talented workforce adds tremendous value to our innovation pipeline, helping drive market expansion beyond North America.”

An Eye on the Future

The global speciality alumina market is projected to grow significantly, with rising demand for tailored solutions in sectors such as ceramics, electronics, aerospace, and medical applications. Hindalco currently operates 500,000 tonnes of speciality alumina capacity and aims to scale this up to 1 million tonnes by FY2030.

Commenting on the development, Satish Pai, Managing Director, Hindalco Industries, said the deal reinforced their commitment to innovation and global expansion.

“As alumina gains increasing relevance in critical and clean-tech sectors, AluChem’s advanced chemistry capabilities will significantly enhance our ability to serve these fast-evolving markets. Importantly, it deepens our high-value-added portfolio with differentiated products that drive profitability and strengthen our global competitiveness.”

AluChem adds a strong North American presence to Hindalco’s portfolio, with an annual capacity of 60,000 tonnes across three advanced manufacturing facilities in Ohio and Arkansas. The company is a long-standing supplier of ultra-low soda calcined and tabular alumina, materials prized for their thermal and mechanical stability and widely used in precision engineering and high-performance refractories.

Saurabh Khedekar, CEO of the Alumina Business at Hindalco Industries, said the acquisition unlocked immediate synergies, including market access and portfolio diversification.

“Hindalco plans to work with AluChem’s high performance technology solutions and scale up production of ultra-low soda alumina products to drive a larger global market share.”

The transaction is expected to close in the upcoming quarter, subject to customary closing conditions and regulatory approvals.

 

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Economy & Market

Shree Cement: The New Sustainability

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Champion 10 factors that helped it make the gradeThere is a reason for putting Shree Cement on the cover in this issue. For an industry much maligned for its environmental impact, it is always welcome when members of this sector are honoured for their ability to practice innovative business solutions with sustainable development activities. The World Economic Forum (WEF) and Boston Consulting Group (BCG) by identifying and honouring Shree Cement as one of the 16 new Sustainability Champion Companies, has ensured that the sector will work even more zealously to earn more laurels for the sector.World Economic Forum (WEF) and Boston Consulting Group (BCG) have worked globally to identify New Sustainability Champion Companies that practice innovative business solutions with sustainable development objectives. As an initial part of this identification process, over 11 million projects / companies were screened. Following which, a few companies were further selected through a due diligence process, taking into consideration the sustainability aspect inculcated by them in their business. The top management personnel from around 200 of these short-listed companies were then engaged in a personal interview. They were interviewed on various related fields, considering their approach and work towards sustainability, innovation, scalability, geography and size. Based upon a detailed interview of Prashant Bangur, Executive Joint President of Shree Cement Limited (SCL), WEF identified SCL as one amongst 16 New World Sustainability Champions.Driving sustainabilityShree Cement inculcates sustainability in its business frame work based on the philosophy ‘Aah NA Bhadra: Kratavo Yantu Vishwatah’ (Let noble thought come to us from all over the world). The company’s sustainability policy aims to produce quality cement in in a socially responsible manner, with an eco-friendly, healthy and safe working environment approach, working toward continual improvement in the performance level."Our continual thirst to become steward in all spheres has led us to this reputed platform where we stand today," says Prashant Bangur, Executive Joint President of Shree Cement.The company has a 10-fold approach to ensure sustainability in all operations:Creativity and innovationShree Cement encourages its employees to think ‘Out of Box’, its "Jo Soche Wo Pave" scheme encouraged employees to provide innovative ideas and suggestions which are rewarded and communicated to spread the culture of innovative thinking."We believe that success comes through failure. Allowing failures encourage creative thinking and develop the attitude of creativity, risk taking and ultimately high performance," says Prashant Bangur.Employee creative ideas and innovations:

  • Developed synthetic gypsum to replace mineral gypsum for the first time in India.
  • Set a world record of commissioning a brown field clinkerization unit in a record time of 330 days.
  • Set a world record of commissioning a 46 MW of Waste Heat Recovery Based Green Power Plant in 17 months against the industry standard of 24 months.
  • Air lifted coal and raw mill from Germany to reduce the project execution time.
  • Installed the second largest waste heat recovery system in the world.

Resource and Energy ConservationA holistic view of Sustainability and care for the future generation through:

  • Conserving resources to ensure its availability for the future generation
  • Reducing emissions, cleaning environment and combating climate change

As an attempt to conserve fossil fuel, Shree Cement pioneered the use of petcoke as a replacement of fossil coal for the first time in India. Pet-coke has the properties of high sulphur, low volatile matter and harder grinding. Use of pet-coke came along with lots of constraints such as kiln jamming, low production and product quality but it also came as an opportunity to save precious fossil fuels. The company carried out extensive R&D and succeeded in pioneering its 100 per cent usage both in cement and power.Another initiative was to install India’s largest Air Cooled Condenser in its 2 X 150 MW power plant to replace the conventional water-cooled condensers, that ensured a current savings of 1 million KL water every year.One of the first process and cement manufacturing company in the world to obtain BS-EN 16001 Energy Management Certification, Shree Cement maintains one of lowest specific energy consumption for manufacturing its products.Environment FriendlinessThe company follows the philosophy of a Low Carbon Economy and work while following the maxim of clean and green is profitable. "They are members of various climate change initiatives like Cement Sustainability Initiative under the auspices of World Business Council of Sustainable Development (WBCSD)- Switzerland, GRI, TERI-BCSD etc.Waste UtilizationShree Cement began optimal use of fly ash in the cement manufacturing process in order to address the issues of fly ash disposal of power plants, while providing affordable cement to consumers and making planet better place. Use in cement makes the fly ash value added product thereby conserving limestone and fuels. The practice of using fly ash upto 35 per cent (which is maximum limit allowed by law), resulted in Shree Cement becoming the first cement manufacturing company in India to obtain CDM benefits for the same beginning July 2000.Similarly, the disposal of lead zinc slag was a serious problem for the zinc smelters. "However, our zeal to be opportunistic manufacturer provided us the threshold to utilise lead zinc slag, a waste of other industry thereby making us capable for laterite replacement from our operation. It also marked our "industrial ecologist" instinct. Besides, we have also demonstrated the use of agro-waste as a fuel replacement which is under validation for obtaining CDM benefits," says Prashant Bangur.The policy of Zero Disposals on LandMaintaining the lowest cost of production through:

  • Continual benchmarking with best achievements within Shree Cement and outside
  • Culture of challenging the established norms to find scope for further improvement
  • Focus on use of alternate raw material and fuels.

Empowering PeopleThe company empowers people by providing them with challenging roles, higher responsibilities, multi-skill jobs, faster career growth and healthy working practices; and encourage the youth.Engaging Local CommunityThe company promotes maximum employment from local community, in order to generate sustainable livelihood by assisting local community to engage in various livelihood creation activities. To ensure total prosperity in the community, it actively engages in initiatives focusing on infrastructure and water harvesting structure development, healthcare and women empowerment programs, educational awareness programs and plantation activities.Embracing New Technology"Our continuous focus is on technologies for enabling faster decisions through increasing speed and accuracy and releasing time which can be put to other productive uses," says Bangur. It is one of the first cement companies to implement ‘Operator Independent Truck Dispatch System’ at mines for automated truck dispatch. It also introduced remote surveillance system to track progress of projects on real time basis from office.Health and SafetyThe company’s facilities are certified to the OHSAS 18001:2007 standard. Committed to achieving its goal of becoming ‘Zero Accident Work Place’, Personal Protective Equipment is provided to all workers on the shop floor and their use is strictly enforced.Transparency and GovernanceThe company maintains an open door policy of inviting competitors and outsiders to visit its plants to interchange ideas. "We have highly analytical annual report covering detailed financial and non financial information. We are the first cement company to issue Corporate Sustainability Report based upon GRI guidelines," says Prashant Bangur.Successful implementation of some of the projects at SCL:-Thermal power plants have traditionally used Water Cooled Condenser (WCC) systems. Bearing in mind the location of our operations in one of India’s most water scarce regions, we operationalized the switch from a Water Cooled Condenser to Air Cooled Condenser system. Retrofitting of the old system to convert it to ACC was a challenging task requiring considerable skill; the retrofitting task was completed and the ACC was commissioned without any alignment problems.Implementation of air cooled condensers at its power plant in Beawar has enabled reduced water consumption by about 70 per cent.Waste heat utilization of Preheater & clinker coolerTwo major sources of heat rejection In a cement plant are pre-heater and clinker cooler hot gases. Waste heat recovery system installation in these two sources not only generates electricity also saves water for cooling down the gases. "Our earlier experience with the waste heat boiler in unit-I gave a strong background for installation of waste heat recovery system in other units with improved systems to generate electricity as well as to save the water used to cool down the gases," says Bangur. This has reduced water consumption by about 85 per cent in the power plant and 50 per cent in clinker production.

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Concrete

Efficient Cooling Solution Boosts Gearbox Uptime

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Efficient Oil Cooling for Gearbox in the Cement Industry. How a High-Performance Plate Heat Exchanger Ensured Thermal Stability and Operational Continuity.

Contributed by: Narendra Joshi and Sourabh Mishra

Application: Gearbox Oil Cooling
Objective: To maintain optimal oil temperature in high-viscosity lubrication systems for gearboxes in cement plants, ensuring uninterrupted operations and minimizing production losses due
to overheating.
Challenge: A prominent cement manufacturing company’s conventional cooling systems were failing to maintain the oil temperature within the optimal range, jeopardizing equipment performance and leading to avoidable downtime.

Background with the Existing System
In heavy-duty industrial applications, particularly in the cement industry, gearboxes are critical components that must operate under high mechanical loads and harsh conditions. These gearboxes rely on lubrication systems where oil plays a dual role, lubrication and heat dissipation. A recurring challenge in such setups is managing the temperature of the gearbox oil. When oil heats beyond a critical limit, its viscosity drops, reducing its ability to form a protective film. This leads to increased friction between components, heat generation, and eventual damage to gearbox components — directly impacting plant uptime and production output.

Delivering Sustainable Heat Transfer Solution with HRS FUNKE High Efficiency Heat Exchanger
This system was selected for its:

  • Excellent thermal performance, ensuring rapid and efficient oil cooling even with high-viscosity fluids.
  • Leakage-proof operation, with no cross-contamination between cooling water and lubrication oil.
  • Robust design, capable of withstanding high operating pressures and variable flow conditions.

The plate exchanger was custom configured based on the oil’s properties, desired outlet temperature, and ambient heat load, ensuring that the oil remained within the specified viscosity range necessary for maintaining gearbox operation and lubrication integrity.

Performance Benefits Delivered

  • Oil temperature control and maintained consistently within target range
  • Viscosity stability and prevented breakdown of lubrication film
  • Equipment reliability and reduced risk of gearbox overheating or failure
  • Production continuity and eliminated unplanned stoppages
  • Long-Term savings and lower maintenance costs and extended oil life

Solution: To address the problem, HRS Process Systems Ltd recommended the installation of a Funke Plate Heat Exchanger a compact, high-efficiency thermal solution engineered specifically for industrial lubrication oil cooling.

Conclusion: The customer achieved precision oil temperature control, ensuring that the gearboxes operated at optimal conditions. This not only safeguarded the mechanical integrity of the gearbox but also directly contributed to higher plant uptime and improved production efficiency in heavy industries like cement manufacturing.

(Communication by the management of HRS Process Systems Ltd)

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Concrete

How Upgrades Can Deliver Energy Savings Across the Cement Process

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on

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Shares

Jacob Brinch-Nielsen, Vice President of Professional Services, FLSmidth Cement, brings together recommendations from experts across the flow sheet to demonstrate the role of upgrades in optimising the cement manufacturing process.

Improving energy efficiency in material transport
Pneumatic conveying offers a cleaner and more contained alternative to mechanical conveying. However, pneumatic systems can also be energy-intensive, with inefficiencies arising from air leakage, pressure losses, and outdated equipment designs. Optimising these systems can significantly reduce energy consumption and operating costs.
“One major challenge is maintaining efficient air-to-material ratios, as excessive air use leads to unnecessary power consumption,” explains Emilio Vreca, Manager of PT Product Engineering “Leaks in piping and inefficient compressors further compound energy losses. To address these issues, upgrading to the latest pneumatic conveying solutions can yield substantial improvements.”
The latest pump design—the Fuller-Kinyon® (FK) ‘N’ Pump—provides power savings of up to 15 per cent thanks to an improved seal, while an extended barrel and screw design have improved volumetric efficiency by more than 15 per cent. Similarly, the latest generation Ful-Vane™ Air Compressor has been engineered for increased energy efficiency, with an improved inlet area for capturing larger air flows and compatibility with variable frequency drives.

Optimising energy efficiency in packing and dispatch
Even minor inefficiencies in bagging and palletising can lead to higher maintenance demands, increased material waste, and unnecessary energy use. Reducing these inefficiencies is yet another lever to improve overall plant performance and sustainability.
Upgrading rotary packers enhances weighing accuracy, reduces spout-to-spout variations, and lowers reject rates, improving both product consistency and energy efficiency. Similarly, replacing pneumatic drive systems in palletisers with electric alternatives eliminates compressed air dependency, leading to more precise bag handling and reduced energy demand. These targeted upgrades help streamline operations while minimising environmental impact.
A key development in dust control is the FILLPro™ Dust Reduction Kit for GIROMAT® EVO. “By refining material flow and fluidisation, FILLPro reduces dust emissions at the source, improving bagging efficiency and plant cleanliness,” explains Gabriele Rapizza, Proposal Engineer. “This reduces material loss, prevents blockages, and cuts down on maintenance, helping plants achieve a more stable and energy-efficient packing operation.”

How services contribute to increased energy efficiency
In the past, many viewed the role of the supplier as a “sell-and-move-on” model. Things have certainly changed. As cement producers face challenging markets, heightened competition, and increasingly ambitious decarbonisation targets there is little room to tolerate inefficiencies within the plant. The paradigm has shifted such that the value of expert services is as essential as the initial equipment supplied. Furthermore, as digital solutions progress at speed, a fluid, long-term partnership gives cement plants the best platform to take advantage of the latest tools.
Whether it’s an audit to identify why energy efficiency has decreased from one year to the next, or even an optimisation package preparing your plant for carbon capture solutions – we are believers in the principle that there is always more we can do to improve efficiency. For example, our Online Condition Monitoring Services (OCMS) provide continuous monitoring of critical equipment such as the kiln, mills, cooler and fans, aggregating data and utilising advanced algorithms to identify potential trouble spots. As the OEM and an experienced full solutions provider, we can support these services with expert advice, not only alerting you to a problem but also providing recommendations as to how to remedy it or attending site to support you in person.

Small upgrades, big impact
Energy efficiency is a critical factor, influencing both operational costs and sustainability goals. While large-scale innovations such as carbon capture will play an essential role in long-term decarbonisation (and steal the headlines), incremental mechanical upgrades offer an immediate pathway to lower energy consumption with minimal disruption.
By optimising key process areas — grinding, dosing, combustion, cooling, and material transport — you can achieve measurable energy savings while improving performance and flexibility. These solutions provide a strong return on investment and pave the way for a more sustainable cement industry.

Part 3 of 3. Read Part 1 in the May issue of Indian Cement Review and Par 2 in the June issue of the Indian Cement Review magazine.

(Communication by the management of the company)

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Economy & Market

Hindalco Buys US Speciality Alumina Firm for $125 Million

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This strategic acquisition marks a significant investment in speciality alumina, a key step by Aditya Birla Group’s metals flagship towards becoming future-ready by scaling its high-value, technology-led materials portfolio.

Hindalco Industries, the world’s largest aluminium company by revenue and the metals flagship of the $28 billion Aditya Birla Group, has announced the acquisition of a 100 per cent equity stake in US-based AluChem Companies—a prominent manufacturer of speciality alumina—for an enterprise value of $125 million. The transaction will be executed through Aditya Holdings, a wholly owned subsidiary.

This acquisition represents a pivotal investment in speciality alumina and advances Hindalco’s strategy to expand its high-value, technology-led materials portfolio.

Hindalco’s speciality alumina business, a key pillar of its value-added strategy, has delivered consistent double-digit growth in recent years. It has emerged as a high-growth, high-margin vertical within the company’s portfolio. As speciality alumina finds expanding applications across electric mobility, semiconductors, and precision ceramics, the deal positions Hindalco further up the innovation curve, enabling next-generation alumina solutions and value-accretive growth.

Kumar Mangalam Birla, Chairman of Aditya Birla Group, called the acquisition an important step in their global strategy to build a leadership position in value-added, high-tech materials.

“Our strategic foray into the speciality alumina space will not only accelerate the development of future-ready, sustainable solutions but also open new pathways to pursue high-impact growth opportunities. By integrating advanced technologies into our value chain, we are reinforcing our commitment to self-reliance, import substitution, and building scale in innovation-led businesses.”

Ronald P Zapletal, Founder, AluChem Companies, said the partnership with Hindalco would provide AluChem the ability and capital to scale up faster and build scale in North America.

“AluChem will benefit from their world-class sustainability and safety standards and practices, access to integrated operations and a consistent, reliable raw material supply chain. Their ability to leverage R&D capabilities and a talented workforce adds tremendous value to our innovation pipeline, helping drive market expansion beyond North America.”

An Eye on the Future

The global speciality alumina market is projected to grow significantly, with rising demand for tailored solutions in sectors such as ceramics, electronics, aerospace, and medical applications. Hindalco currently operates 500,000 tonnes of speciality alumina capacity and aims to scale this up to 1 million tonnes by FY2030.

Commenting on the development, Satish Pai, Managing Director, Hindalco Industries, said the deal reinforced their commitment to innovation and global expansion.

“As alumina gains increasing relevance in critical and clean-tech sectors, AluChem’s advanced chemistry capabilities will significantly enhance our ability to serve these fast-evolving markets. Importantly, it deepens our high-value-added portfolio with differentiated products that drive profitability and strengthen our global competitiveness.”

AluChem adds a strong North American presence to Hindalco’s portfolio, with an annual capacity of 60,000 tonnes across three advanced manufacturing facilities in Ohio and Arkansas. The company is a long-standing supplier of ultra-low soda calcined and tabular alumina, materials prized for their thermal and mechanical stability and widely used in precision engineering and high-performance refractories.

Saurabh Khedekar, CEO of the Alumina Business at Hindalco Industries, said the acquisition unlocked immediate synergies, including market access and portfolio diversification.

“Hindalco plans to work with AluChem’s high performance technology solutions and scale up production of ultra-low soda alumina products to drive a larger global market share.”

The transaction is expected to close in the upcoming quarter, subject to customary closing conditions and regulatory approvals.

 

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