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Smart Bags for Cement

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The cement bagging and packaging processes have taken a new turn in recent times, with eco-friendly practices taking centrestage. ICR looks at the strategic importance of packaging in enhancing product integrity and logistical efficiency.

Cement bagging and packaging play a pivotal role in the cement industry, ensuring the safe transportation, storage, and delivery of cement products to consumers. Proper packaging is essential not only for protecting the integrity of the cement but also for maintaining its quality and extending its shelf life.
In the Indian cement industry, various packaging methods are employed to meet the diverse needs of consumers and industries. Traditional paper bags have long been used for cement packaging due to their cost-effectiveness and ease of handling. However, with advancements in technology and increasing demand for durable packaging solutions, polypropylene bags and jumbo bags have gained popularity for their superior strength and resistance to moisture and external elements.
Dhananjay Singh Parmar, Senior Manager – Packing Plant, Udaipur Cement Works, says, “Our commitment to delivering a superior product is reflected in the meticulous selection of packaging materials at UCWL. For premium products, we employ high-quality laminated paper-based bags, while for other products, we opt for HDPE bags that adhere to industry standards. The choice of materials is carefully curated to guarantee durability and integrity during transportation and storage. To further ensure the strength of our bags, we conduct random sampling and drop tests, reaffirming our dedication to delivering a reliable and superior product to our customers.”
Each packaging method offers unique advantages and is chosen based on factors such as transportation requirements, storage conditions and customer preferences. Cement manufacturers carefully select the appropriate packaging method to ensure that their products reach consumers in optimal condition, thus maintaining customer satisfaction and upholding industry standards.

GLOBAL OVERVIEW
According to the report Cement Packaging Market – Global Industry Analysis and Forecast (2023-2029) by Maximize Market Research, the cement packaging market size was valued at US$ 343.9 Bn. in 2022 and the total revenue is expected to grow at
3.9 per cent through 2023 to 2029, reaching nearly US$ 449.6 Bn. he growing demand for environmentally friendly cement packaging bags is propelling the cement packaging industry forward. Cement packaging is a critical aspect for any cement manufacturing organisation as well as cement marketers. It should be stored in such bags or sacks that help prevent
the cement from becoming moist. The bags or sacks used to package the cement are made of paper and plastic.
The report’s geographical analysis of the market states that the cement packaging solutions are most expected to become more popular in emerging countries across Asia Pacific and the Middle East and Africa. Polypropylene is the most used cement packing material in nations like India and China.
Because of the increasing demand for the product from developing countries, Asia-Pacific dominates the cement packaging industry. Furthermore, during the forecast period, the growth of the cement packaging market in the area will be aided by the expansion of construction and infrastructure activities. Because of rising urbanisation, the cement packaging market in North America is expected to rise significantly.

MATERIALS AND QUALITY STANDARDS
Polypropylene is the chosen material for cement bags. The benefits of using this material are protection from moisture and strength to packaging. There are various categories of polypropylene bags available with coatings, linings etc.
PP Plain Woven Bags: These are simple bags made of plastic, stitched at the ends to hold cement in them.
PP Lined Woven Bags: These bags have an extra lining under the plastic outside that prevents cement from encountering moisture.
Laminated PP Bags: These bags have an extra poly film layer over the polypropylene. They have a higher strength than the regular PP woven bags and provide a greater resistance from air that meets the bags. These also give way to better branding of the product when it is stored in uncovered settings.
BOPP Laminated Bags: The Biaxially Oriented Polypropylene (BOPP) laminated bags have a superior quality than other bags. An extra added layer enhances the durability of these bags and makes them more attractive for branding as well as prevent wear, tear, and wastage while handling.
Cement makers, for the sake of sustainability, have been contemplating switching to paper bags. However, PP woven bags have various advantages when put in use for storing cement. They are highly chemical and weather resistant. They have high tear strength, which enables it to carry heavyweight materials. PP woven bags are 100 per cent reusable and have high durability making it the less pollutant product compared to other packaging bags. The element of recyclability and waste prevention because of the sturdiness of PP woven bags, they are the chosen material for cement packaging.
Quality control for cement packaging is very important. The BIS (Bureau of Indian Standards) has set norms for cement packaging. As per Cl 9.2 of IS 455: 1989, the average net mass of cement per bag shall be 50 kg. The average net mass of cement per bag may also be 25 kg subject to tolerances and packed in suitable bags as agreed to between the purchaser and the manufacturer. Similarly, as per Cl 10.2 of IS 1489 (Part 1): 1991 and IS 1489 (Part 2): 1991, the average net mass of cement per bag shall be 50 kg. The average net mass of cement per bag may also be 25 kg subject to tolerances and packed in suitable bags as agreed to between the purchaser and the manufacturer. Also, as per IS 8112: 1989, the average net mass of cement per bag may also be 25 kg, 10 kg, 5 kg, 2 kg, or 1 kg, subject to tolerances and packed in suitable bags as agreed to between the purchaser and the manufacturer.

SUSTAINABILITY AND TECHNOLOGY
In the domain of cement bagging and packaging, sustainability and technology are converging to reshape industry practices and drive positive environmental outcomes.
Cement manufacturers are increasingly opting for eco-friendly packaging materials such as biodegradable paper bags, recycled plastics, and compostable coatings. These choices minimise environmental impact and align with global sustainability goals.
Embracing circular economy principles, the industry is investing in recycling infrastructure to recover and reuse packaging materials. Initiatives like the collection and recycling of plastic bags and jumbo bags promote resource efficiency and reduce waste.
“With growing awareness about sustainability and the need to improve the environment, the cement industry has become more accepting of re-processed materials. This would mean that they also use bags made from re-processed materials,” says Alpesh Patel, Director, Knack Packaging.
“Some of our bags are manufactured with repurposed materials and have been placed at some cement plants for trials. However, we believe that it is the need of the hour for the world to bring more and more sustainability to every manufacturing process and facility,” he adds.
Sustainable packaging practices not only address waste management but also contribute to energy savings, reduced greenhouse gas emissions, and conservation of natural resources. By
minimising packaging waste and optimising logistics, cement manufacturers can mitigate their environmental footprint.
The symbiotic relationship between sustainability initiatives and technological advancements is revolutionising the way cement products are packaged and distributed. Embracing a holistic approach to sustainability, cement manufacturers are integrating eco-friendly packaging materials and innovative technologies into their operations. From the selection of biodegradable paper bags to the adoption of recycled plastics and compostable coatings, the industry is committed to minimising its environmental footprint while meeting the demands of a rapidly evolving market.
Moreover, technological innovations such as automation, robotics, and smart packaging solutions play a pivotal role in enhancing efficiency, precision, and resource optimisation. These advancements not only streamline packaging processes but also provide valuable insights into product quality, supply chain visibility and environmental impact. By harnessing the power of digitalisation and data analytics, manufacturers can optimise packaging operations, reduce waste, and drive continuous improvement. This synergy between sustainability and technology not only fosters operational excellence but also reinforces the industry’s commitment to environmental stewardship and sustainable development.
The convergence of sustainability and technology in cement bagging and packaging represents a paradigm shift towards more responsible and efficient practices. By embracing sustainable packaging solutions and leveraging cutting-edge technologies, the industry can enhance competitiveness, meet evolving consumer demands, and contribute to a greener and more sustainable future.

CHALLENGES IN BAGGING AND PACKAGING
Despite significant advancements in technology and practices, the Indian cement industry grapples with several challenges in the domain of bagging and packaging.
Limited infrastructure and inadequate transportation networks in certain regions of India result in logistical challenges for cement manufacturers. Ensuring timely delivery of packaged cement to remote areas remains a persistent challenge, affecting market reach and customer satisfaction.
Maintaining consistent product quality and integrity throughout the packaging process is crucial for cement manufacturers. However, ensuring uniformity in bagging and packaging standards across multiple production facilities and distribution channels poses a challenge, leading to variations in product quality and customer complaints.
Stringent environmental regulations and compliance standards mandate the adoption of sustainable packaging practices in the cement industry. Balancing regulatory requirements with operational efficiency and cost considerations presents a challenge for manufacturers, particularly in implementing eco-friendly packaging solutions and waste management practices.
The disposal and recycling of packaging materials, such as paper bags, polypropylene bags and jumbo bags, present logistical and environmental challenges for cement manufacturers. Developing efficient waste management strategies and promoting recycling initiatives require investment in infrastructure and collaboration with stakeholders across the supply chain.
The Indian cement industry faces multifaceted challenges in the areas of bagging and packaging, encompassing logistical constraints, quality control, environmental regulations, cost pressures, waste management, and consumer preferences. Overcoming these challenges requires collaborative efforts, technological innovation and strategic planning to enhance efficiency, sustainability, and competitiveness in the packaging of cement products.

CONCLUSION
Cement bagging and packaging stand as critical components within the Indian cement industry, ensuring the safe delivery and storage of cement products while meeting the diverse needs of consumers and industries. While the industry has made significant strides in adopting advanced technologies and sustainable practices, it continues to grapple with challenges ranging from logistical constraints to environmental regulations and shifting consumer preferences. Moving forward, concerted efforts from stakeholders across the supply chain will be essential to address these challenges, drive innovation, and foster sustainability in cement packaging practices. By embracing technological advancements, implementing eco-friendly solutions, and prioritising quality control, the Indian cement industry can navigate the evolving landscape of bagging and packaging while fostering efficiency, reliability and environmental stewardship.

Concrete

The primary high-power applications are fans and mills

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Alex Nazareth, Whole-time Director and CEO, Innomotics India, explains how plants can achieve both cost competitiveness and sustainability by lowering emissions, reducing downtime and planning for significant power savings.

As one of the most energy-intensive industries, cement manufacturing faces growing pressure to optimise power consumption, reduce emissions and improve operational reliability. Technology providers like Innomotics India are enabling this transformation by combining advanced motors, AI-driven digital solutions and intelligent monitoring systems that enhance process stability and reduce energy costs. From severe duty motors built for extreme kiln environments to DigiMine AI solutions that optimise pyro and mill operations, Alex Nazareth, Whole-time Director and CEO, Innomotics India, explains how the company is helping cement plants achieve measurable energy savings while moving closer to their sustainability goals.

How does your Energy Performance Contracting model typically reduce power consumption in cement plants—e.g., MWh saved?
Our artificial intelligence-based DigiMine AI Pyro and Mill solutions developed specifically for the cement industry, supports our customers in improving their process stability, productivity and process efficiency. In Pyro, this is achieved by optimising fuel consumption (Coal / AFR), reducing Specific Heat Consumption and reduction in emissions (CO2, SOx and NOx) through continuous monitoring of thermodynamics in pyro and recommending set-points of crucial parameters in advance for maintaining stable operations.
Within the mill, this is achieved by improving throughput, reduce energy / power consumption and maintaining stable operations on a continuous basis. Our ROI-based value proposition captures the project KPIs like reduction of coal usage, increase of AFR, reduction of specific heat consumption (Kcal / Kg), reduction of specific power consumption (KWH / tonne), reduction of emissions, etc., by a specific percentage. This gives clarity to our customers to understand the investment vis-à-vis savings and estimate the recovery time of their investment, which typically is achieved within one year of DigiMine AI Pyro and Mill solutions implementation.

What role do digitalisation and motor monitoring play in overall plant energy optimisation?
Motors are being used extensively in cement production, and their monitoring play crucial role in ensuring continuous operation of applications. The monitoring system can automatically generate alerts for any anomaly / abnormalities in motor parameters, which allows plant team to take corrective actions and avoid any major equipment damage and breakdown. The alerts help maintenance team to plan maintenance schedule and related activity efficiently. Centralised and organised data gives overview to the engineers for day-to-day activities. Cement is amongst the top energy intensive industries in comparison to other industries. Hence, it becomes critically important to optimise efficiency, productivity and up-time of plant equipment. Motor monitoring and digitalisation plays a vital role in it. Monitoring and control of multiple applications and areas
within the plant or multiple plants becomes possible with digitalisation.
Digitalisation adds a layer on top of OT systems, bringing machine and process data onto a single interface. This solves the challenges such as system silo, different communications protocol, databases and most importantly, creates a common definition and measurement to plant KPIs. Relevant stakeholders, such as engineers, head of departments and plant heads, can see accurate information, analyse it and make better decisions with appropriate timing. In doing so, plant teams can take proactive actions before machine breakdown, enable better coordination during maintenance activities while improving operational efficiency and productivity.
Further using latest technologies like Artificial Intelligence can even assist operators in running their plant with minimal requirement of human intervention, which allows operators to utilise their time in focusing on more critical topics like analysing data to identify further improvements in operation.

Which of your high-efficiency IEC low-voltage motors deliver the best energy savings for cement mills or fans?
Innomotics India offers a range of IEC-compliant low-voltage motors engineered to deliver superior performance and energy savings, particularly for applications such as cement mills, large fans, and blowers. Innomotics has the complete range of IE4 motors from 0.37kW to 1000kW to meet the demands of cement industry. The IE5 range is also available for specific requirements.

Can safe area motors operate safely and efficiently in cement kiln environments?
Yes, safe area motors are designed to operate reliably in these environments without the risk of overheating. These motors have ingress protection that prevents dust, moisture ingress and can withstand mechanical stress. These motors are available in IE3 / IE4 efficiency classes thereby ensuring lower energy consumption during continuous operation. These motors comply with relevant Indian as well as international standards.

How do your SD Severe Duty motors contribute to lower emissions and lower cost in heavy duty cement applications?
Severe duty motors enhances energy efficiency and durability in demanding cement applications, directly contributing to lower emissions and operational costs. With high-efficiency ratings (such as IE3 or better), they reduce power consumption, minimising CO2 output from energy use. Their robust design handles extreme heat, dust and vibration—common in cement environments—ensuring reliable performance and fewer energy losses.
These motors also lower the total cost of ownership by reducing downtime, maintenance and replacement frequency. Their extended service life and minimal performance degradation help cement plants meet sustainability targets, comply with emissions regulations and improve overall energy management—all while keeping production consistent and cost-effective.

What pump, fan or compressor drive upgrades have shown approximately 60 per cent energy savings in industrial settings and can be replicated in cement plants?
In the cement industry, the primary high-power applications are fans and mills. Among these, fans have the greatest potential for energy savings. Examples, the pre-heater fan, bag house fan, and cooler fans. When there are variations in airflow or the need to maintain a constant pressure in a process, using a variable speed drive (VSD) system is a more effective option for starting and controlling these fans. This adaptive approach can lead to significant energy savings. For instance, vanes and dampers can remain open while the variable frequency drive and motor system manage airflow regulation efficiently.

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Concrete

We conduct regular internal energy audits

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Shaping the future of low-carbon cement production involves integrating renewables, digitalisation and innovative technologies. Uma Suryam, SVP and Head Manufacturing – Northern Region, Nuvoco Vistas, gives us a detailed account of how.

In an industry where energy consumption can account for a significant portion of operating costs, cement manufacturers are under increasing pressure to adopt sustainable practices without compromising efficiency. Nuvoco Vistas has taken a decisive step in this direction, leveraging digitalisation, renewable energy and innovative technologies to drive energy efficiency across its operations. In this exclusive conversation, Uma Suryam, SVP and Head Manufacturing – Northern Region, Nuvoco Vistas, shares its approach to energy management, challenges of modernising brownfield plants and its long-term roadmap to align efficiency with India’s net-zero vision.

How has your company improved energy efficiency over the past five years?
Over the past five years, we have prioritised energy conservation by enhancing operational efficiency and scaling up renewable energy adoption. Through strategic fuel mix optimisation, deployment of cleaner technologies, and greater integration of renewables, we have steadily reduced our environmental footprint while meeting energy needs sustainably.
Technological upgrades across our plants have further strengthened efficiency. These include advanced process control systems, enhanced trend analysis, grinding media optimisation and the integration of solar-powered utilities. Importantly, grid integration at our key plants has delivered significant cost savings and streamlined energy management.
A notable milestone has been the expansion of our solar power capacity and Waste Heat Recovery Systems (WHRS). Our solar power capacity has grown from 1.5 MW in FY 2021–22 to 5.5 MW, while our WHRS capacity has increased from 44.7 MW to 49 MW, underscoring our commitment to sustainable energy solutions.

What technologies or practices have shown the highest energy-saving potential in cement production?
One of our most significant achievements in advancing energy efficiency has been the successful commissioning of a 132 KV Grid Integration Project, which unified three of our major manufacturing units under a single power network. This milestone, enabled by a dedicated transmission line and a state-of-the-art Line-In Line-Out (LILO) substation, has transformed our energy management and operational capabilities.
With this integration, we have substantially reduced our contract demand, eliminated power disruptions, and enhanced operational continuity. Supported by an optical fibre network for real-time communication and automation, this project stands as a testament to our innovation-led manufacturing excellence and underscores Nuvoco’s vision of building a safer, smarter, and sustainable world.

What role does digitalisation play in achieving energy efficiency in your operations?
Digitalisation plays a transformative role in driving energy efficiency across our operations. At Nuvoco, we are leveraging cutting-edge technologies and advanced digital tools to enhance productivity, optimise energy consumption and strengthen our commitment to sustainability and employee safety.
We are developing AI-enabled dashboards to optimise WHRS and kiln operations, ensuring maximum efficiency. Additionally, our advanced AI models evaluate multiple operational parameters — including fuel pricing, moisture content and energy output — to identify the most cost-effective fuel combinations in real time. These initiatives are enabling data-driven decision-making, improving operational excellence and reducing our environmental footprint.

What is your long-term strategy for aligning energy efficiency with decarbonisation goals?
As part of India’s climate action agenda, the cement sector has laid out a clear decarbonisation roadmap to achieve net-zero CO2 emissions by 2070. At Nuvoco, we view this as both a responsibility and an opportunity to redefine the future of sustainable construction. Our long-term strategy focuses on aligning energy efficiency with decarbonisation goals by embracing innovative technologies, alternative raw materials and renewable energy solutions.
We are making strategic investments to scale up solar power installations and enhance our renewable energy mix significantly by 2028. These initiatives are a key part of our broader vision to reduce Scope 2 emissions and strengthen our contribution to India’s net-zero journey, while continuing to deliver innovative and sustainable solutions to our customers.

How do you measure and benchmark energy performance across different plants?
We adopt a comprehensive approach to measure and benchmark energy performance across our plants. Key metrics include Specific Heat Consumption (kCal/kg of clinker) and Specific Power Consumption (kWh/tonne of cement), which are continuously tracked against Best Available Technology (BAT) benchmarks, industry peers and global standards such as the WBCSD-CSI and CII benchmarks.
To ensure consistency and drive improvements, we conduct regular internal energy audits, leverage real-time dashboards and implement robust KPI tracking systems. These tools enable us to compare performance across plants effectively, identify optimisation opportunities and set actionable targets for energy efficiency and sustainability.

What are the key challenges in adopting energy-efficient equipment in brownfield cement plants?
Adopting energy-efficient technologies in brownfield cement plants presents a unique set of challenges due to the constraints of working within existing infrastructure. Firstly, the high capital expenditure and relatively long payback periods often require careful evaluation before investments are made. Additionally, integrating new technologies with legacy equipment can be complex, requiring significant customisation to ensure seamless compatibility and performance.
Another major challenge is minimising production disruptions during installation. Since brownfield plants are already operational, upgrades must be planned meticulously to avoid affecting output. In many cases, space constraints in older facilities add to the difficulty of accommodating advanced equipment without compromising existing layouts.
At Nuvoco, we address these challenges through a phased implementation approach, detailed project planning and by fostering a culture of innovation and collaboration across our plants. This helps us balance operational continuity with our commitment to driving energy efficiency and sustainability.

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Concrete

Enlight Metals Supplies 3,200 Tonne of Steel for Navi Mumbai Airport

The airport is set to become Asia’s largest air connectivity hub.

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Enlight Metals has supplied 3,200 metric tonne of steel for the newly inaugurated Navi Mumbai International Airport, marking a major contribution to one of India’s largest infrastructure projects and reinforcing the company’s commitment to supporting national development.

The Navi Mumbai International Airport, developed under a Public-Private Partnership led by the Adani Group, was inaugurated today by Prime Minister Narendra Modi. The airport is set to become Asia’s largest air connectivity hub, enhancing regional connectivity, boosting economic growth, and expanding trade opportunities. Prime Minister Modi described the project as a “glimpse of Viksit Bharat,” highlighting its transformative impact on infrastructure and development in the region.

“The supply of 3,200 metric tonne of steel for this key project aligns with our focus on supporting critical infrastructure development through reliable and timely metal sourcing. Enlight Metals is committed to enhancing transparency and efficiency in the steel supply chain, contributing to projects integral to India’s growth objectives,” said Vedant Goel, Director, Enlight Metals.

Enlight Metals has implemented technology-driven solutions to strengthen supply chain efficiency, ensuring consistent availability of construction materials for large-scale projects nationwide. Its contribution to the Navi Mumbai International Airport underscores the company’s growing role in supporting India’s infrastructure development initiatives.

This milestone reflects Enlight Metals’ ongoing engagement in delivering quality materials and timely services for major national projects, further cementing its position as a reliable partner in India’s infrastructure sector

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