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Increasing Use of Supplementary Cementitious Materials to Achieve Carbon Reduction Targets

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Jens Mose and John Terembula, Product Line Management, FLSmidth A/S, discuss why Vertical Roller Mills (VRM) are the best grinding solution for SCMs, in this second part of a three-part series looking at how Supplementary Cementitious Materials (SCM) can help cement manufacturers reduce carbon emissions.

Current examples of SCM adoption
India is a successful adopter of SCMs, with an average clinker factor of 0.71 in 2017. This is largely thanks to the introduction of standards for composite cements in 2015, as well as the widespread availability of fly ash from thermal power plants. Portland Pozzolanic Cement (PPC) had approximately 65 per cent market share in 2017, and the clinker factor of PPC was also improved from 0.68 in 2010 to 0.65 in 2017. Portland Slag Cement (PSC) makes up about 10 per cent of the market and also reduced clinker content in that time from 0.55 to 0.40. Meanwhile, ACC has achieved a clinker factor as low as 44 per cent through the use of fly ash from power plants and slag from steel production.
In the sub-continental India region, FLSmidth has supplied grinding systems with all types of mills. The most common grinding systems installed over the last 10 years are VRM or HRP with ball mill in semi-finish arrangement. One example is the Guinness World Record holder, the largest VRM for cement grinding at Shah Cement in Bangladesh. That mill regularly produces both PPC and PSC Cements.
Throughout Asia, a wide range of blended cements are made encompassing many different additive materials including trass, which is very hard-to-grind overburden from the quarry. Stable/reliable operation has been proven in the OK Mill even with this difficult material.
In other parts of the world, the uptake of SCMs varies. For example, in Brazil the nationwide average clinker-to-cement ratio is below 70 per cent , with blast furnace slag from steel mills the most widely used SCM . The country is targeting reductions in clinker content to 59 per cent in 2030 and 52 per cent in 2050 and will need to increase the use of limestone filler and calcined clays to meet these targets.
In Brazil, the VRM has been the standard for new cement grinding for the last 10+ years, with OK Mills accounting for 28 per cent of the country’s total cement production in 2015.
Meanwhile, in the US, the use of SCMs by cement manufacturers is on the rise , as more cement plants adopt ASTM C595 Standard (American Society for Testing and Materials), which allows up to 15 per cent limestone within Type 1L or Portland Limestone Cement (PLC). PLC is currently seeing a dramatic upward trend, thanks to widespread acceptance by end users like the Department of Transportation and the Federal Aviation Administration.

Which mills are best for SCMs?
The grinding operation is critical to the success of SCMs, to achieve the necessary particle size distribution. Some materials can be ground together with the rest of your cement mix (so-called ‘intergrinding’), while others may benefit from a separate grinding operation. Likewise, water demand (to increase workability) can present another sustainability concern.
In terms of the best mill type, the answer is almost always VRM. Over the last few decades, the industry has been gradually moving towards the use of VRM for both raw and cement grinding, due largely to the reduced energy consumption compared to ball mills: a saving of between 30 and 50 per cent. This transition will prove crucial as the adoption of SCMs increases, from a practical as well as economic and environmental perspective. VRM provides much greater flexibility to grind several different materials, to switch between different cement mixes, and to adjust to changing material characteristics – all while protecting quality.
For example, FLSmidth has a customer using the OK Mill to grind 100 per cent slag with raw feed containing more than 20 per cent moisture to produce moisture levels less than 1 per cent. This is only possible thanks to the drying capacity of the VRM. This level of flexibility is imperative to SCM adoption.
Ultimately, product quality is defined by cement strength development and setting times. To achieve the best result, you need optimal particle size distribution and dehydration of the gypsum within the cement. And for that, the precise operational controls of the VRM are a clear advantage over other mill types, enabling you to optimise the system’s temperature profile, mill airflow, separator speed and grinding pressure for optimum efficiency and productivity.

1- https://docs.wbcsd.org/2018/11/WBCSD_CSI_India_Review.pdf
2- Weston, J. ‘Brazil gives OK to VRM’, International Cement Review, 20 June 2016
3-https://www.mckinsey.com/~/media/mckinsey/dotcom/client_service/infrastructure/pdfs/pathways_low_carbon_economy_brazil.ashx
4- http://snic.org.br/assets/pdf/roadmap/roadmap-tecnologico-do-cimento-brasil.pdf
5- https://pubs.usgs.gov/of/2005/1152/2005-1152.pdf p.10

You can find part one in the August issue of Indian Cement Review and part 3 in the upcoming October issue.

(Communication by the management of the company)

Concrete

FORNNAX Appoints Dieter Jerschl as Sales Partner for Central Europe

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FORNNAX TECHNOLOGY has appointed industry veteran Dieter Jerschl as its new sales partner in Germany to strengthen its presence across Central Europe. The partnership aims to accelerate the adoption of FORNNAX’s high-capacity, sustainable recycling solutions while building long-term regional capabilities.

FORNNAX TECHNOLOGY, one of the leading advanced recycling equipment manufacturers, has announced the appointment of a new sales partner in Germany as part of its strategic expansion into Central Europe. The company has entered into a collaborative agreement with Mr. Dieter Jerschl, a seasoned industry professional with over 20 years of experience in the shredding and recycling sector, to represent and promote FORNNAX’s solutions across key European markets.

Mr. Jerschl brings extensive expertise from his work with renowned companies such as BHS, Eldan, Vecoplan, and others. Over the course of his career, he has successfully led the deployment of both single machines and complete turnkey installations for a wide range of applications, including tyre recycling, cable recycling, municipal solid waste, e-waste, and industrial waste processing.

Speaking about the partnership, Mr. Jerschl said,
“I’ve known FORNNAX for over a decade and have followed their growth closely. What attracted me to this collaboration is their state-of-the-art & high-capacity technology, it is powerful, sustainable, and economically viable. There is great potential to introduce FORNNAX’s innovative systems to more markets across Europe, and I am excited to be part of that journey.”

The partnership will primarily focus on Central Europe, including Germany, Austria, and neighbouring countries, with the flexibility to extend the geographical scope based on project requirements and mutual agreement. The collaboration is structured to evolve over time, with performance-driven expansion and ongoing strategic discussions with FORNNAX’s management. The immediate priority is to build a strong project pipeline and enhance FORNNAX’s brand presence across the region.

FORNNAX’s portfolio of high-performance shredding and pre-processing solutions is well aligned with Europe’s growing demand for sustainable and efficient waste treatment technologies. By partnering with Mr. Jerschl—who brings deep market insight and established industry relationships—FORNNAX aims to accelerate adoption of its solutions and participate in upcoming recycling projects across the region.

As part of the partnership, Mr. Jerschl will also deliver value-added services, including equipment installation, maintenance, and spare parts support through a dedicated technical team. This local service capability is expected to ensure faster project execution, minimise downtime, and enhance overall customer experience.

Commenting on the long-term vision, Mr. Jerschl added,
“We are committed to increasing market awareness and establishing new reference projects across the region. My goal is not only to generate business but to lay the foundation for long-term growth. Ideally, we aim to establish a dedicated FORNNAX legal entity or operational site in Germany over the next five to ten years.”

For FORNNAX, this partnership aligns closely with its global strategy of expanding into key markets through strong regional representation. The company believes that local partnerships are critical for navigating complex market dynamics and delivering solutions tailored to region-specific waste management challenges.

“We see tremendous potential in the Central European market,” said Mr. Jignesh Kundaria, Director and CEO of FORNNAX.
“Partnering with someone as experienced and well-established as Mr. Jerschl gives us a strong foothold and allows us to better serve our customers. This marks a major milestone in our efforts to promote reliable, efficient and future-ready recycling solutions globally,” he added.

This collaboration further strengthens FORNNAX’s commitment to environmental stewardship, innovation, and sustainable waste management, supporting the transition toward a greener and more circular future.

 

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Concrete

Budget 2026–27 infra thrust and CCUS outlay to lift cement sector outlook

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Higher capex, city-led growth and CCUS funding improve demand visibility and decarbonisation prospects for cement

Mumbai

Cement manufacturers have welcomed the Union Budget 2026–27’s strong infrastructure thrust, with public capital expenditure increased to Rs 12.2 trillion, saying it reinforces infrastructure as the central engine of economic growth and strengthens medium-term prospects for the cement sector. In a statement, the Cement Manufacturers’ Association (CMA) has welcomed the Union budget 2026-27 for reinforcing the ambitions for the nation’s growth balancing the aspirations of the people through inclusivity inspired by the vision of Narendra Modi, Prime Minister of India, for a Viksit Bharat by 2047 and Atmanirbharta.

The budget underscores India’s steady economic trajectory over the past 12 years, marked by fiscal discipline, sustained growth and moderate inflation, and offers strong demand visibility for infrastructure linked sectors such as cement.

The Budget’s strong infrastructure push, with public capital expenditure rising from Rs 11.2 trillion in fiscal year 2025–26 to Rs 12.2 trillion in fiscal year 2026–27, recognises infrastructure as the primary anchor for economic growth creating positive prospects for the Indian cement industry and improving long term visibility for the cement sector. The emphasis on Tier 2 and Tier 3 cities with populations above 5 lakh and the creation of City Economic Regions (CERs) with an allocation of Rs 50 billion per CER over five years, should accelerate construction activity across housing, transport and urban services, supporting broad based cement consumption.

Logistics and connectivity measures announced in the budget are particularly significant for the cement industry. The announcement of new dedicated freight corridors, the operationalisation of 20 additional National Waterways over the next five years, the launch of the Coastal Cargo Promotion Scheme to raise the modal share of waterways and coastal shipping from 6 per cent to 12 per cent by 2047, and the development of ship repair ecosystems should enhance multimodal freight efficiency, reduce logistics costs and improve the sector’s carbon footprint. The announcement of seven high speed rail corridors as growth corridors can be expected to further stimulate regional development and construction demand.

Commenting on the budget, Parth Jindal, President, Cement Manufacturers’ Association (CMA), said, “As India advances towards a Viksit Bharat, the three kartavya articulated in the Union Budget provide a clear context for the Nation’s growth and aspirations, combining economic momentum with capacity building and inclusive progress. The Cement Manufacturers’ Association (CMA) appreciates the Union Budget 2026-27 for the continued emphasis on manufacturing competitiveness, urban development and infrastructure modernisation, supported by over 350 reforms spanning GST simplification, labour codes, quality control rationalisation and coordinated deregulation with States. These reforms, alongside the Budget’s focus on Youth Power and domestic manufacturing capacity under Atmanirbharta, stand to strengthen the investment environment for capital intensive sectors such as Cement. The Union Budget 2026-27 reflects the Government’s focus on infrastructure led development emerging as a structural pillar of India’s growth strategy.”

He added, “The Rs 200 billion CCUS outlay for various sectors, including Cement, fundamentally alters the decarbonisation landscape for India’s emissions intensive industries. CCUS is a significant enabler for large scale decarbonisation of industries such as Cement and this intervention directly addresses the technology and cost requirements of the Cement sector in context. The Cement Industry, fully aligned with the Government of India’s Net Zero commitment by 2070, views this support as critical to enabling the adoption and scale up of CCUS technologies while continuing to meet the Country’s long term infrastructure needs.”

Dr Raghavpat Singhania, Vice President, CMA, said, “The government’s sustained infrastructure push supports employment, regional development and stronger local supply chains. Cement manufacturing clusters act as economic anchors across regions, generating livelihoods in construction, logistics and allied sectors. The budget’s focus on inclusive growth, execution and system level enablers creates a supportive environment for responsible and efficient expansion offering opportunities for economic growth and lending momentum to the cement sector. The increase in public capex to Rs 12.2 trillion, the focus on Tier 2 and Tier 3 cities, and the creation of City Economic Regions stand to strengthen the growth of the cement sector. We welcome the budget’s emphasis on tourism, cultural and social infrastructure, which should broaden construction activity across regions. Investments in tourism facilities, heritage and Buddhist circuits, regional connectivity in Purvodaya and North Eastern States, and the strengthening of emergency and trauma care infrastructure in district hospitals reinforce the cement sector’s role in enabling inclusive growth.”

CMA also noted the Government’s continued commitment to fiscal discipline, with the fiscal deficit estimated at 4.3 per cent of GDP in FY27, reinforcing macroeconomic stability and investor confidence.

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Concrete

Steel: Shielded or Strengthened?

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CW explores the impact of pro-steel policies on construction and infrastructure and identifies gaps that need to be addressed.

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Going forward, domestic steel mills are targeting capacity expansion
of nearly 40 per cent through till FY31, adding 80-85 mt, translating
into an investment pipeline of $ 45-50 billion. So, Jhunjhunwala points
out that continuing the safeguard duty will be vital to prevent a surge
in imports and protect domestic prices from external shocks. While in
FY26, the industry operating profit per tonne is expected to hold at
around $ 108, similar to last year, the industry’s earnings must
meaningfully improve from hereon to sustain large-scale investments.
Else, domestic mills could experience a significant spike in industry
leverage levels over the medium term, increasing their vulnerability to
external macroeconomic shocks.(~$ 60/tonne) over the past one month,
compressing the import parity discount to ~$ 23-25/tonne from previous
highs of ~$ 70-90/tonne, adds Jhunjhunwala. With this, he says, “the
industry can expect high resistance to further steel price increases.”

Domestic HRC prices have increased by ~Rs 5,000/tonne
“Aggressive
capacity additions (~15 mt commissioned in FY25, with 5 mt more by
FY26) have created a supply overhang, temporarily outpacing demand
growth of ~11-12 mt,” he says…

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