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It makes more sense to acquire plants rather than build them

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Rajnish Kapur, Business Head – Grey Cement, JK Cement

In a freewheeling interview, Rajnish Kapur, Business Head – Grey Cement, JK Cement, speaks on his company?s expansion plans and the state of the cement industry at large.

Give us some idea of the JK group and its foray into the cement business. What are your plans for expansion?
JK Cement is part of the multidisciplinary industrial conglomerate JK Organisation. We have over four decades of experience in cement manufacturing across the core categories of grey cement and white cement with value-added products like wall putty and waterproofing compounds, etc. Our enduring strength remains in our diverse product portfolio, high quality raw materials, consistently growing capacity, an extensive marketing and distribution network and the technical knowhow. JK Cement entered into the cement business by commencement of commercial production at the Nimbahera facility in 1975 with an annual capacity of 0.3 MTPA. With constant upgradation, the unit?s present capacity has touched 3.25 MTPA. It is equipped with a waste heat recovery system of 13.2 MW to reduce the electrical energy cost and utilise waste heat. The Mangrol facility?s commercial production commenced in 2001 with 0.75 MTPA capacity which has increased to 2.25 MTPA, along with a 25 MW captive power plant, a 10 MW waste heat recovery plant and a split grinding unit at Jharli with a capacity of 1.5 MTPA.

Near Muddapur village of Karnataka, we have a 3 MTPA plant which is based on Portland and slag cement. The Muddapur facility is equipped with the most advanced technology available in the global market, making it the most modern plant.

The Gotan facility at Rajasthan is a dual-process plant with the capability of manufacturing grey cement as well as white cement. The Gotan facility?s existing grey cement capacity stands at 0.5 MTPA. We were the first in India to build a white cement facility. The white cement plant was commissioned at Gotan in 1984, with an initial production capacity of 0.05 MTPA. Over the years, continuous process improvements and modifications have enhanced the plant?s production capacity to 0.6 MTPA. Our wall putty capacity was 30,000 tonnes per annum in 2005, which increased to 5 lakh tonnes in 2013. With the commissioning of the Katni unit, the capacity has surged to 7 lakh tonnes.

How has the consolidation phase in the cement industry progressed so far? Do you expect more consolidation to happen, or less, in the next 10 years?
I think in the year 2008 when I joined the cement industry, we saw the meltdown at the global level. Especially, I remember in a country like Spain, the cement consumption suddenly dropped to what it was 40 years back. But before that, the industry was doing very well from the global perspective. In India, the last couple of years have seen about 40 million tonnes of capacity changing hands. The reasons are many, but inability to service debt due to high infrastructure cost is one of the most prominent reasons. But mergers per se are not new to us. We saw the first consolidation taking place way back in 1936, where 10 existing cement companies came together under one umbrella in a historic merger and formed ACC. It is a matter of opportunity. Today, setting up a plant after acquisition of land has become extremely difficult. It makes more sense to acquire plants rather than build them. At present, there is huge surplus capacity over demand. In a wider sense, it helps the economy. The chances are that consolidation may make some players very strong, but it is taken care of by the Competition Commission laying down strict guidelines for acquisition. We, at JK, are watching the emerging opportunities and will take appropriate decisions when needed. As per my understanding, a reasonable amount of consolidation has already taken place, and while there may not be many big ticket acquisitions in the offing, standalone plants may still come up for sale.

Do you think there is a disconnect between the GDP numbers and the demand growth the cement industry is witnessing? At GDP growth of 7.6 per cent, the cement industry?s growth should have been more than 10 per cent…
The historic conversion ratio of cement industry growing at 2 to 2.5 per cent over GDP has seen a shift in the past decade or so. This may be attributable to a shift in the major drivers of cement demand growth; for example, there is a difference in the dependence of cement growth on infra today. Housing, being the biggest driver of growth, has seen a slowdown due to a number of unsold dwellings in the market. The large infra projects need a long gestation period and are now in the take-off phase. We, however, need to look at the Indian cement industry in context of the global scenario, wherein Indian growth is actually much higher than peers and developed economies. On a near-term analysis, with this year having good monsoons and the government infra push, we should see a positive impact. Over the long term, we should see road & highway projects, Smart Cities, ?Housing for All?, Metro projects, etc., driving growth.

Does JK Cement have any new market initiatives planned in the near future?
Customer orientation and service is our mission and we are constantly evaluating as to how we can improve our offerings to the customer. The first and foremost responsibility is to deliver a product that exceeds all quality parameters and we at JK Cement have the best quality monitoring systems in place. We are also taking a number of steps to improve our service to the customer. In terms of logistics, we are ensuring that we reach our network most efficiently. In the recent past, we have taken a number of steps to improve the capabilities of our own team, as well as our channel partners. Regular meetings with our channel partners are helping us understand the market needs correctly, and regular market visits by all in the hierarchy help us to be proactive in our service to the end customer. One area where we have made a paradigm shift is to separate the technical support activities for our grey cement and white cement divisions. With this, we are able to focus more diligently on the requirements of our respective customers. In continuation to this, we are also establishing concrete labs in different cities. We are also working on having a deeper penetration of our network. We have also planned various new initiatives in the near future, like we are working on a ?Go to Rural Market Model? to reach out to our rural customers. We have also recently launched a new influencer management scheme by which we hope to engage our influencers more meaningfully. Also, we will be adding various new value-added services for our customers and professionals looking at their needs, which will help them in building strong homes.

We have added a number of large infra players to our portfolio, and since the last year, JK Cement has been recognised as one of the major suppliers for big projects in the country. We have significantly increased our key account capability and this has also helped us get good brand visibility. Sustaining a good key account is not an easy task as we have to meet the expectations of various stakeholders in terms of product quality and supplies. Our product range is already approved by various agencies, which reflects the confidence of large buyers in our product quality. We also keep a close tab on the market to understand how our cement is performing in the hands of our customers. Our aim is to produce the best cement and provide the best service to our customers.

JK Cement has been ahead of others in power generation through Waste Heat Recovery (WHR); please give us some insight into how you have been doing it…
Our CMD, YP Singhania, is a great visionary. Living up to its reputation of pioneering many firsts in India, JK Cement became the first company to invest in installation of a WHR concept-based 10 MW power plant in India, in collaboration with TEC, Japan in 2008, and got carbon credit certificates under CDM, initiated by the World Bank, to reduce the carbon dioxide footprint. It was increased to 13.2 MW in the following years. As the plant capacity increased during the years due to upgradation in Nimbahera and new lines in Mangrol, we have today reached a total of 23.2 MW of WHR capability. In Muddapur, Karnataka, captive power plants were conceived along with the project and 2 x 25 MW coal based plants were installed.

Our current focus is to improve our capability to use AFR. Taking inspiration from the best companies in this field, we would like to improve our capabilities significantly. It makes good business sense, and it also helps the country.

How is the PAT scheme working for the industry, and more particularly, how is it working for JK Cement?
Perform Achieve and Trade is a scheme started by the Government of India under various international agreements to reduce the footprint of GHG (Green House Gases) by way of improving energy efficiency in energy intensive manufacturing sectors like steel, cement, etc. The Bureau of Energy Efficiency was set up under the Energy Ministry to look after this legally binding scheme. We have completed the 1st cycle of audit, and achieved our target. It is always easy to complete the first cycle. It is like an examination – getting up to 70 per cent of marks is fairly easy, but to increase the percentage from 80 to 85 is fairly difficult. We got the credit certificates for the first phase, but the 2nd cycle is going to be tough. We feel that the PAT scheme as such makes good business sense also; it?s not to be looked upon merely as a push from the government. In the second cycle, we are taking many small steps. Our focus is lowering electrical and thermal energy. We have planned investments accordingly – the major one being replacing drives with variable speed drives.

How has been the performance of JK Cement in the production of blended cements? Is JK planning to start production of composite cement? What do you think about the market for composite cements?
JK Super Cement is one of the premium grey cement brands in the country, available as Portland Pozzolana Cement (PPC). The product complies with quality standards specified by the Bureau of Indian Standards (BIS) and is much in demand, from both the retail and the institutional segments.

When I was at Bangladesh, we tried making a masonry cement while working with a Holcim plant. However, it was not a success because of improper use by the end customer. The regulatory system has to be in place and effective for application-based products. If the product is used for an incorrect purpose, then the results can be catastrophic.

We welcome the plan to introduce composite cements and we are evaluating the potential of this product. In Muddapur, we produce all three types of cement and can launch composite cement, if we find a demand for this product. We have started taking laboratory trials and evaluating all options.

We would like to know more on your dual-process plant, which can produce grey as well as white cement.
The white cement plant at Fujairah has been established with technical assistance of Taiheiyo Corporation, Japan. The company?s grey cement plant at Gotan in India is also of Taiheiyo technology and it can produce both grey and white cement. Similarly, the plant at Fujairah can produce both grey and white cement and the capacity is 0.6 MTPA of white cement or 1 MTPA of grey cement, or a combination of both. The changeover from white to grey or vice versa can be done in a short span of two to three days. However, presently the company is operating the plant at Fujairah only for production of white cement and has no immediate plans of producing grey cement, looking at the market conditions in the region.

Can you brief us on your CSR initiatives?
JK Group is known for its philanthropic initiatives in our country. The group has made many contributions to society by way of running schools, colleges, training facilities, ITIs, and building temples, etc. The JK temples in Kanpur and Nimbahera are much revered and are important religious places. We have built some of the best schools in the states in which we operate. LKSEC, Gotan (Rajasthan) is one such school where students from all parts of the country strive to get admission. We also have a university and a management college in Udaipur. At Nimbahera, we have constructed a new building for ITI this year, and it has received green building certification. We are running an RTC for the past few decades. Here, we not only train our own employees, but also those from other companies as well. In addition, we take a number of initiatives to improve the living conditions of our plant neighbourhood like vocational training, supply of water to villages, etc. We also encourage architects by conducting one of the most prestigious competitions for Indian architects and those from neighbouring countries. AYA is now in its 25th year, and we have honoured almost all the leading architects of India during the last 25 years.

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Economy & Market

Smart Pumping for Rock Blasting

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SEEPEX introduces BN pumps with Smart Joint Access (SJA) to improve efficiency, reliability, and inspection speed in demanding rock blasting operations.
Designed for abrasive and chemical media, the solution supports precise dosing, reduced downtime, and enhanced operational safety.

SEEPEX has introduced BN pumps with Smart Joint Access (SJA), engineered for the reliable and precise transfer of abrasive, corrosive, and chemical media in mining and construction. Designed for rock blasting, the pump features a large inspection opening for quick joint checks, a compact footprint for mobile or skid-mounted installations, and flexible drive and material options for consistent performance and uptime.

“Operators can inspect joints quickly and rely on precise pumping of shear-sensitive and abrasive emulsions,” said Magalie Levray, Global Business Development Manager Mining at SEEPEX. “This is particularly critical in rock blasting, where every borehole counts for productivity.” Industry Context

Rock blasting is essential for extracting hard rock and shaping safe excavation profiles in mining and construction. Accurate and consistent loading of explosive emulsions ensures controlled fragmentation, protects personnel, and maximizes productivity. Even minor deviations in pumping can cause delays or reduce product quality. BN pumps with SJA support routine maintenance and pre-operation checks by allowing fast verification of joint integrity, enabling more efficient operations.

Always Inspection Ready

Smart Joint Access is designed for inspection-friendly operations. The large inspection opening in the suction housing provides direct access to both joints, enabling rapid pre-operation checks while maintaining high operational reliability. Technicians can assess joint condition quickly, supporting continuous, reliable operation.

Key Features

  • Compact Footprint: Fits truck-mounted mobile units, skid-mounted systems, and factory installations.
  • Flexible Drive Options: Compact hydraulic drive or electric drive configurations.
  • Hydraulic Efficiency: Low-displacement design reduces oil requirements and supports low total cost of ownership.
  • Equal Wall Stator Design: Ensures high-pressure performance in a compact footprint.
  • Material Flexibility: Stainless steel or steel housings, chrome-plated rotors, and stators in NBR, EPDM, or FKM.

Operators benefit from shorter inspection cycles, reliable dosing, seamless integration, and fast delivery through framework agreements, helping to maintain uptime in critical rock blasting processes.

Applications – Optimized for Rock Blasting

BN pumps with SJA are designed for mining, tunneling, quarrying, civil works, dam construction, and other sectors requiring precise handling of abrasive or chemical media. They provide robust performance while enabling fast, reliable inspection and maintenance.With SJA, operators can quickly access both joints without disassembly, ensuring emulsions are transferred accurately and consistently. This reduces downtime, preserves product integrity, and supports uniform dosing across multiple bore holes.

With the Smart Joint Access inspection opening, operators can quickly access and assess the condition of both joints without disassembly, enabling immediate verification of pump readiness prior to blast hole loading. This allows operators to confirm that emulsions are transferred accurately and consistently, protecting personnel, minimizing product degradation, and maintaining uniform dosing across multiple bore holes.

The combination of equal wall stator design, compact integration, flexible drives, and progressive cavity pump technology ensures continuous, reliable operation even in space-limited, high-pressure environments.

From Inspection to Operation

A leading explosives provider implemented BN pumps with SJA in open pit and underground operations. By replacing legacy pumps, inspection cycles were significantly shortened, allowing crews to complete pre-operation checks and return mobile units to productive work faster. Direct joint access through SJA enabled immediate verification, consistent emulsion dosing, and reduced downtime caused by joint-related deviations.

“The inspection opening gives immediate confidence that each joint is secure before proceeding to bore holes,” said a site technician. “It allows us to act quickly, keeping blasting schedules on track.”

Framework agreements ensured rapid pump supply and minimal downtime, supporting multi-site operations across continents

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Concrete

Digital process control is transforming grinding

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Satish Maheshwari, Chief Manufacturing Officer, Shree Cement, delves into how digital intelligence is transforming cement grinding into a predictive, stable, and energy-efficient operation.

Grinding sits at the heart of cement manufacturing, accounting for the largest share of electrical energy consumption. In this interview, Satish Maheshwari, Chief Manufacturing Officer, Shree Cement, explains how advanced grinding technologies, data-driven optimisation and process intelligence are transforming mill performance, reducing power consumption and supporting the industry’s decarbonisation goals.

How has the grinding process evolved in Indian cement plants to meet rising efficiency and sustainability expectations?
Over the past decade, Indian cement plants have seen a clear evolution in grinding technology, moving from conventional open-circuit ball mills to high-efficiency closed-circuit systems, Roller Press–Ball Mill combinations and Vertical Roller Mills (VRMs). This shift has been supported by advances in separator design, improved wear-resistant materials, and the growing use of digital process automation. As a result, grinding units today operate as highly controlled manufacturing systems where real-time data, process intelligence and efficient separation work together to deliver stable and predictable performance.
From a sustainability perspective, these developments directly reduce specific power consumption, improve equipment reliability and lower the carbon footprint per tonne of cement produced.

How critical is grinding optimisation in reducing specific power consumption across ball mills and VRMs?
Grinding is the largest consumer of electrical energy in a cement plant, which makes optimisation one of the most effective levers for improving energy efficiency. In ball mill systems, optimisation through correct media selection, charge design, diaphragm configuration, ventilation management and separator tuning can typically deliver power savings of 5 per cent to 8 per cent. In VRMs, fine-tuning airflow balance, grinding pressure, nozzle ring settings, and circulating load can unlock energy reductions in the range of 8 per cent to 12 per cent. Across both systems, sustained operation under stable conditions is critical. Consistency in mill loading and operating parameters improves quality control, reduces wear, and enables long-term energy efficiency, making stability a key operational KPI.

What challenges arise in maintaining consistent cement quality when using alternative raw materials and blended compositions?
The increased use of alternative raw materials and supplementary cementitious materials (SCM) introduces variability in chemistry, moisture, hardness, and loss on ignition. This variability makes it more challenging to maintain consistent fineness, particle size distribution, throughput and downstream performance parameters such as setting time, strength development and workability.
As clinker substitution levels rise, grinding precision becomes increasingly important. Even small improvements in consistency enable higher SCM utilisation without compromising cement performance.
Addressing these challenges requires stronger feed homogenisation, real-time quality monitoring and dynamic adjustment of grinding parameters so that output quality remains stable despite changing input characteristics.

How is digital process control changing the way grinding performance is optimised?
Digital process control is transforming grinding from an operator-dependent activity into a predictive, model-driven operation. Technologies such as online particle size and residue analysers, AI-based optimisation platforms, digital twins for VRMs and Roller Press systems, and advanced process control solutions are redefining how performance is managed.
At the same time, workforce roles are evolving. Operators are increasingly focused on interpreting data trends through digital dashboards and responding proactively rather than relying on manual interventions. Together, these tools improve mill stability, enable faster response to disturbances, maintain consistent fineness, and reduce specific energy consumption while minimising manual effort.

How do you see grinding technologies supporting the industry’s low-clinker and decarbonisation goals?
Modern grinding technologies are central to the industry’s decarbonisation efforts. They enable higher incorporation of SCMs such as fly ash, slag, and limestone, improve particle fineness and reactivity, and reduce overall power consumption. Efficient grinding makes it possible to maintain consistent cement quality at lower clinker factors. Every improvement in energy intensity and particle engineering directly contributes to lower CO2 emissions.
As India moves toward low-carbon construction, precision grinding will remain a foundational capability for delivering sustainable, high-performance cement aligned with national and global climate objectives.

How much potential does grinding optimisation hold for immediate energy
and cost savings?
The potential for near-term savings is substantial. Without major capital investment, most plants can achieve 5 per cent to 15 per cent power reduction through measures such as improving separator efficiency, optimising ventilation, refining media grading, and fine-tuning operating parameters.
With continued capacity expansion across India, advanced optimisation tools will help ensure that productivity gains are not matched by proportional increases in energy demand. Given current power costs, this translates into direct and measurable financial benefits, making grinding optimisation one of the fastest-payback operational initiatives available to cement manufacturers today.

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Concrete

Refractory demands in our kiln have changed

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Radha Singh, Senior Manager (P&Q), Shree Digvijay Cement, points out why performance, predictability and life-cycle value now matter more than routine replacement in cement kilns.

As Indian cement plants push for higher throughput, increased alternative fuel usage and tighter shutdown cycles, refractory performance in kilns and pyro-processing systems is under growing pressure. In this interview, Radha Singh, Senior Manager (P&Q), Shree Digvijay Cement, shares how refractory demands have evolved on the ground and how smarter digital monitoring is improving kiln stability, uptime and clinker quality.

How have refractory demands changed in your kiln and pyro-processing line over the last five years?
Over the last five years, refractory demands in our kiln and pyro line have changed. Earlier, the focus was mostly on standard grades and routine shutdown-based replacement. But now, because of higher production loads, more alternative fuels and raw materials (AFR) usage and greater temperature variation, the expectation from refractory has increased.
In our own case, the current kiln refractory has already completed around 1.5 years, which itself shows how much more we now rely on materials that can handle thermal shock, alkali attack and coating fluctuations. We have moved towards more stable, high-performance linings so that we don’t have to enter the kiln frequently for repairs.
Overall, the shift has been from just ‘installation and run’ to selecting refractories that give longer life, better coating behaviour and more predictable performance under tougher operating conditions.

What are the biggest refractory challenges in the preheater, calciner and cooler zones?
• Preheater: Coating instability, chloride/sulphur cycles and brick erosion.
• Calciner: AFR firing, thermal shock and alkali infiltration.
• Cooler: Severe abrasion, red-river formation and mechanical stress on linings.
Overall, the biggest challenge is maintaining lining stability under highly variable operating conditions.

How do you evaluate and select refractory partners for long-term performance?
In real plant conditions, we don’t select a refractory partner just by looking at price. First, we see their past performance in similar kilns and whether their material has actually survived our operating conditions. We also check how strong their technical support is during shutdowns, because installation quality matters as much as the material itself.
Another key point is how quickly they respond during breakdowns or hot spots. A good partner should be available on short notice. We also look at their failure analysis capability, whether they can explain why a lining failed and suggest improvements.
On top of this, we review the life they delivered in the last few campaigns, their supply reliability and their willingness to offer plant-specific custom solutions instead of generic grades. Only a partner who supports us throughout the life cycle, which includes selection, installation, monitoring and post-failure analysis, fits our long-term requirement.

Can you share a recent example where better refractory selection improved uptime or clinker quality?
Recently, we upgraded to a high-abrasion basic brick at the kiln outlet. Earlier we had frequent chipping and coating loss. With the new lining, thermal stability improved and the coating became much more stable. As a result, our shutdown interval increased and clinker quality remained more consistent. It had a direct impact on our uptime.

How is increased AFR use affecting refractory behaviour?
Increased AFR use is definitely putting more stress on the refractory. The biggest issue we see daily is the rise in chlorine, alkalis and volatiles, which directly attack the lining, especially in the calciner and kiln inlet. AFR firing is also not as stable as conventional fuel, so we face frequent temperature fluctuations, which cause more thermal shock and small cracks in the lining.
Another real problem is coating instability. Some days the coating builds too fast, other days it suddenly drops, and both conditions impact refractory life. We also notice more dust circulation and buildup inside the calciner whenever the AFR mix changes, which again increases erosion.
Because of these practical issues, we have started relying more on alkali-resistant, low-porosity and better thermal shock–resistant materials to handle the additional stress coming from AFR.

What role does digital monitoring or thermal profiling play in your refractory strategy?
Digital tools like kiln shell scanners, IR imaging and thermal profiling help us detect weakening areas much earlier. This reduces unplanned shutdowns, helps identify hotspots accurately and allows us to replace only the critical sections. Overall, our maintenance has shifted from reactive to predictive, improving lining life significantly.

How do you balance cost, durability and installation speed during refractory shutdowns?
We focus on three points:
• Material quality that suits our thermal profile and chemistry.
• Installation speed, in fast turnarounds, we prefer monolithic.
• Life-cycle cost—the cheapest material is not the most economical. We look at durability, future downtime and total cost of ownership.
This balance ensures reliable performance without unnecessary expenditure.

What refractory or pyro-processing innovations could transform Indian cement operations?
Some promising developments include:
• High-performance, low-porosity and nano-bonded refractories
• Precast modular linings to drastically reduce shutdown time
• AI-driven kiln thermal analytics
• Advanced coating management solutions
• More AFR-compatible refractory mixes

These innovations can significantly improve kiln stability, efficiency and maintenance planning across the industry.

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