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The 3Cs of Decarbonisation

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Dr Avijit Mondal, Scientist, NTPC Energy Technology Research Alliance (NETRA), explores the holistic pathway to decarbonise the cement industry and build a resilient, low-carbon future for India.

The global climate discourse has placed the spotlight firmly on hard-to-abate sectors, and the cement industry is one of the most critical among them. Cement is the backbone of modern infrastructure, but it also accounts for nearly 7-8 per cent of global CO2 emissions. As economies continue to grow, the demand for cement will persist-making decarbonisation strategies not just desirable but indispensable.
In this context, the 3Cs of decarbonisation – Cut emissions, Cement innovations, and Carbon capture and utilisation (CCU) – offer a comprehensive framework for reshaping the industry’s future.

1. Cut emissions: Driving efficiency and clean energy integration
The first step is to cut emissions at the source. Cement production is energy-intensive, and approximately 40 per cent of emissions come from fuel combustion in kilns. The rest originates from the calcination of limestone during clinker production. Cutting emissions, therefore, requires both process optimisation and energy transition.

  • Energy efficiency: Adoption of waste heat recovery systems, improved kiln design, and digitalisation-driven process control can reduce the thermal and electrical energy footprint.
  • Alternative fuels: Replacing coal and petcoke with biomass, agricultural residues, and refuse-derived fuels can significantly lower carbon intensity.
  • Green power integration: Utilisation of solar, wind, and hybrid renewable solutions in auxiliary operations (grinding, material handling, etc.) ensures indirect emissions are reduced.

Case studies

  • Ambuja Cements (India) has installed waste heat recovery systems across multiple plants, reducing dependency on fossil fuels and cutting CO2 emissions.
  • CEMEX (Mexico) has adopted alternative fuels at a massive scale, with some plants operating on more than 80 per cent non-fossil fuel share.

For countries like India, where cement demand is still growing, integrating efficiency measures with renewable energy can yield rapid decarbonisation gains.

2. Cement innovations: Rethinking the product itself
The second ‘C’ focuses on redefining what cement is and how it is made. Since clinker production is the largest source of process emissions, lowering clinker factor is central to innovation.

  • Blended cements: Increased utilisation of supplementary cementitious materials (SCMs) such as fly ash, slag, silica fume and calcined clays can replace a portion of clinker while maintaining strength and durability.
  • Novel binders: Research is advancing in alternative binders like geopolymers and limestone calcined clay cement (LC3), which can reduce emissions by up to 40 per cent compared to ordinary
    Portland cement.
  • Circular economy integration: Industrial by-products (steel slag, red mud and other
    mineral wastes) can be valorised into cementitious materials, reducing both environmental burden and resource dependency.
  • Digital innovations: AI-driven mix design optimisation can ensure maximum performance with lower carbon content.

Case studies

  • NTPC Ltd (India) has been a pioneer in fly ash utilisation, supplying millions of tonnes annually to cement manufacturers, turning a waste product into a valuable resource.
  • Dalmia Cement (India) has adopted a carbon-negative vision by pushing for low-clinker cement and exploring alternative binders.
  • LC3 Project (Switzerland, India, and Cuba) demonstrated at pilot scale that calcined clay + limestone blends can reduce emissions by 30-40 per cent, offering a scalable solution for emerging economies.

In India, the synergy between power plants and cement units highlights how industrial symbiosis can accelerate innovation.

3. Carbon capture and utilisation: Closing the loop
Even with aggressive efficiency measures and material innovations, residual emissions from calcination will remain a challenge. This is where CCU technologies come in.

  • Carbon capture: Advanced post-combustion capture systems (amine scrubbing, oxy-fuel combustion and emerging solid sorbents) are being piloted globally in cement kilns.
  • Carbon utilisation: Captured CO2 can be converted into value-added products-carbonated aggregates, synthetic fuels, or even used in curing processes for concrete. Such solutions not only mitigate emissions but also create new revenue streams.
  • Carbon storage: Where utilisation is not feasible, geological storage offers a long-term abatement pathway.

Case studies

  • Lafarge Holcim’s plant in Brevik (Norway) is building the world’s first full-scale carbon capture facility for cement, capable of capturing 400,000 tonnes of CO2 annually.
  • Dalmia Cement (India) has announced plans to build a large-scale carbon capture facility at its Tamil Nadu plant, with a target of capturing 500,000 tonnes of CO2 per year.
  • Solidia Technologies (USA) has developed a process where concrete cures with CO2 instead of water, permanently locking in carbon while reducing cement use.

These pilots demonstrate that CCU is not a distant dream – it is already being tested and scaled.

The road ahead
The cement industry’s decarbonisation journey is both a technological and policy challenge. A mix of regulatory frameworks, carbon pricing, green financing and stakeholder collaboration will be essential to accelerate adoption of the 3Cs.
For India, which is expected to remain the second-largest producer and consumer of cement, the 3Cs framework aligns with national goals of Net Zero by 2070. As power and cement sectors increasingly converge-through ash utilisation, renewable integration, and CCU-the scope for cross-industry partnerships is immense.
Ultimately, the 3Cs of decarbonisation represent more than strategies; they embody the industry’s commitment to building not just infrastructure, but a sustainable future.

References:
• L. Marques, M. Vieira, J. Condeo, H. Sousa, C. Henriques, M. M. Mateus, “Review of Power-to-Liquid (PtL) Technology for Renewable Methanol (e-MeOH): Recent Developments, Emerging Trends and Prospects for the Cement Plant Industry,” None, 2024. https://doi.org/10.20944/preprints202409.0956.v1
• V. Mittal, L. Dosan, “System Dynamics Modelling of Cement Industry Decarbonization Pathways: An Analysis of Carbon Reduction Strategies,” Sustainability, 2025. https://doi.org/10.3390/su17157128
• I. Bolbot, O. Slovikovskyi, “Multi-Physics Modelling and Adaptive Control of Gas Burner Systems for Enhanced Energy Efficiency and Emission Reduction in Cement Drying Processes,” None, 2025. https://doi.org/10.33042/2079-424x.2025.64.2.01
• K. Sun, J. Sun, C. Bu, L. Jiang, C. Zhao, “Historical Drivers and Reduction Paths of CO2 Emissions in Jiangsus Cement Industry,” C++ Conference, 2025. https://doi.org/10.3390/c11010020
• T. Nayab, T. Ahmed, “CO2 Mitigation of a Cement Industry in North Macedonia, Balkans Peninsula: A Short Review,” Environmental Contaminants Reviews, 2024. https://doi.org/10.26480/ecr.01.2024.32.36
• F. Branger, P. Quirion, “Reaping the Carbon Rent: Abatement and Overallocation Profits in the European Cement Industry, Insights from an LMDI Decomposition Analysis,” RELX Group (Netherlands), 2014. https://doi.org/10.2139/ssrn.2497474
• J. A. Brefo, A. K. Osei, J. A. Opoku, “Sustainable Low-Carbon Cement Technologies for Reducing U.S. Construction Carbon Emissions,” None, 2025. https://doi.org/10.51594/estj.v6i6.1954
• J. Glvez Martos, R. Chaliulina, A. Elhoweris, J. A. Mwanda, A. Hakki, Y. Alhorr, “Techno-Economic Assessment of Calcium Sulfoaluminate Clinker Production Using Elemental Sulfur as Raw Material,” Elsevier BV, 2021. https://doi.org/10.1016/j.jclepro.2021.126888
• Q. Su et al., “Life Cycle Assessment and Environmental Load Management in the Cement Industry,” Systems, 2025. https://doi.org/10.3390/systems13070611
• K. Kaptan, S. Cunha, J. Aguiar, “A Review: Construction and Demolition Waste as a Novel Source for CO2 Reduction in Portland Cement Production for Concrete,” Sustainability, 2024. https://doi.org/10.3390/su16020585

ABOUT THE AUTHOR:
Dr Avijit Mondal, Scientist, NTPC Energy Technology Research Alliance (NETRA), has an extensive research experience in materials processing, powder metallurgy, and advanced characterisation techniques.

Concrete

Fornnax Unveils the World’s Largest NPD and Demo Centre to Accelerate Global Recycling Innovation

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A 12-acre innovation campus enables Fornnax to design, test and validate high-performance recycling solutions at global standards in record time.

Fornnax has launched one of the world’s largest New Product Development (NPD) centres and demo plants, spanning more than 12 acres, marking a major step toward its vision of becoming a global recycling technology leader by 2030. Designed to accelerate real-world innovation, the facility will enable faster product design cycles, large-scale performance validation, and more reliable equipment for high-demand recycling applications.

At the core of the new campus is a live demo plant engineered to support application-specific testing. Fornnax will use this facility to upgrade its entire line of shredders and granulators—enhancing capacity, improving energy efficiency, and reducing downtime. With controlled test environments, machines can be validated for 3,000 to 15,000 hours of operation, ensuring real-world durability and high availability of 18–20 hours per day. This approach gives customers proven performance data before deployment.

“Innovation in product development is the key to becoming a global leader,” said Jignesh Kundariya, Director and CEO of Fornnax. “With this facility, we can design, test and validate new technologies in 6–8 months, compared to 4–5 years in a customer’s plant. Every machine will undergo rigorous Engineering Build (EB) and Manufacturing Build (MB) testing in line with international standards.”

Engineering Excellence Powered by Gate Review Methodology

Fornnax’s NPD framework follows a structured Gate Review Process, ensuring precision and discipline at every step. Projects begin with market research and ideation led by Sales and Marketing, followed by strategic review from the Leadership Team. Detailed engineering is then developed by the Design Team and evaluated by Manufacturing, Service and Safety before approval. A functional prototype is built and tested for 6–8 months, after which the design is optimised for mass production and commercial rollout.

Open-Door Customer Demonstration and Material Testing

The facility features an open-door demonstration model, allowing customers to bring their actual materials and test multiple machines under varied operating conditions. Clients can evaluate performance parameters, compare configurations and make informed purchasing decisions without operational risk.

The centre will also advance research into emerging sectors including E-waste, cables, lithium-ion batteries and niche heterogeneous waste streams. Highly qualified engineering and R&D teams will conduct feasibility studies and performance analysis to develop customised solutions for unfamiliar or challenging materials. This capability reinforces Fornnax’s reputation as a solution-oriented technology provider capable of solving real recycling problems.

Developing Global Recycling Talent

Beyond technology, the facility also houses a comprehensive OEM training centre. It will prepare operators and maintenance technicians for real-world plant conditions. Trainees will gain hands-on experience in assembly, disassembly and grinding operations before deployment at customer sites. Post-training, they will serve as skilled support professionals for Fornnax installations. The company will also deliver corporate training programs for international and domestic clients to enable optimal operation, swift troubleshooting and high-availability performance.

A Roadmap to Capture Global Demand

Fornnax plans to scale its offerings in response to high-growth verticals including Tyre recycling, Municipal Solid Waste (MSW), E-waste, Cable and Aluminium recycling. The company is also preparing solutions for new opportunities such as Auto Shredder Residue (ASR) and Lithium-Ion Battery recovery. With research, training, validation and customer engagement housed under one roof, Fornnax is laying the foundation for the next generation of recycling technologies.

“Our goal is to empower customers with clarity and confidence before they invest,” added Kundariya. “This facility allows them to test their own materials, compare equipment and see real performance. It’s not just about selling machines—it’s about building trust through transparency and delivering solutions that work.”

With this milestone, Fornnax reinforces its long-term commitment to enabling industries worldwide with proven, future-ready recycling solutions rooted in innovation, engineering discipline and customer collaboration.

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Concrete

Balancing Rapid Economic Growth and Climate Action

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Dr Yogendra Kanitkar, VP R&D, and Dr Shirish Kumar Sharma, Assistant Manager R&D, Pi Green Innovations, look at India’s cement industry as it stands at the crossroads of infrastructure expansion and urgent decarbonisation.

The cement industry plays an indispensable role in India’s infrastructure development and economic growth. As the world’s second-largest cement producer after China, India accounts for more than 8 per cent of global cement production, with an output of around 418 million tonnes in 2023–24. It contributes roughly 11 per cent to the input costs of the construction sector, sustains over one million direct jobs, and generates an estimated 20,000 additional downstream jobs for every million tonnes produced. This scale makes cement a critical backbone of the nation’s development. Yet, this vitality comes with a steep environmental price, as cement production contributes nearly 7 per cent of India’s total carbon dioxide (CO2) emissions.
On a global scale, the sector accounts for 8 per cent of anthropogenic CO2 emissions, a figure that underscores the urgency of balancing rapid growth with climate responsibility. A unique challenge lies in the dual nature of cement-related emissions: about 60 per cent stem from calcination of limestone in kilns, while the remaining 40 per cent arise from the combustion of fossil fuels to generate the extreme heat of 1,450°C required for clinker production (TERI 2023; GCCA).
This dilemma is compounded by India’s relatively low per capita consumption of cement at about 300kg per year, compared to the global average of 540kg. The data reveals substantial growth potential as India continues to urbanise and industrialise, yet this projected rise in consumption will inevitably add to greenhouse gas emissions unless urgent measures are taken. The sector is also uniquely constrained by being a high-volume, low-margin business with high capital intensity, leaving limited room to absorb additional costs for decarbonisation technologies.
India has nonetheless made notable progress in improving the carbon efficiency of its cement industry. Between 1996 and 2010, the sector reduced its emissions intensity from 1.12 tonnes of CO2 per ton of cement to 0.719 tonnes—making it one of the most energy-efficient globally. Today, Indian cement plants reach thermal efficiency levels of around 725 kcal/kg of clinker and electrical consumption near 75 kWh per tonne of cement, broadly in line with best global practice (World Cement 2025). However, absolute emissions continue to rise with increasing demand, with the sector emitting around 177 MtCO2 in 2023, about 6 per cent of India’s total fossil fuel and industrial emissions. Without decisive interventions, projections suggest that cement manufacturing emissions in India could rise by 250–500 per cent by mid-century, depending on demand growth (Statista; CEEW).
Recognising this threat, the Government of India has brought the sector under compliance obligations of the Carbon Credit Trading Scheme (CCTS). Cement is one of the designated obligated entities, tasked with meeting aggressive reduction targets over the next two financial years, effectively binding companies to measurable progress toward decarbonisation and creating compliance-driven demand for carbon reduction and trading credits (NITI 2025).
The industry has responded by deploying incremental decarbonisation measures focused on energy efficiency, alternative fuels, and material substitutions. Process optimisation using AI-driven controls and waste heat recovery systems has made many plants among the most efficient worldwide, typically reducing fuel use by 3–8 per cent and cutting emissions by up to 9 per cent. Trials are exploring kiln firing with greener fuels such as hydrogen and natural gas. Limited blends of hydrogen up to 20 per cent are technically feasible, though economics remain unfavourable at present.
Efforts to electrify kilns are gaining international attention. For instance, proprietary technologies have demonstrated the potential of electrified kilns that can reach 1,700°C using renewable electricity, a transformative technology still at the pilot stage. Meanwhile, given that cement manufacturing is also a highly power-intensive industry, several firms are shifting electric grinding operations to renewable energy.
Material substitution represents another key decarbonisation pathway. Blended cements using industrial by-products like fly ash and ground granulated blast furnace slag (GGBS) can significantly reduce the clinker factor, which currently constitutes about 65 per cent in India. GGBS can replace up to 85 per cent of clinker in specific cement grades, though its future availability may fall as steel plants decarbonise and reduce slag generation. Fly ash from coal-fired power stations remains widely used as a low-carbon substitute, but its supply too will shrink as India expands renewable power. Alternative fuels—ranging from biomass to solid waste—further allow reductions in fossil energy dependency, abating up to 24 per cent of emissions according to pilot projects (TERI; CEEW).
Beyond these, Carbon Capture, Utilisation, and Storage (CCUS) technologies are emerging as a critical lever for achieving deep emission cuts, particularly since process emissions are chemically unavoidable. Post-combustion amine scrubbing using solvents like monoethanolamine (MEA) remains the most mature option, with capture efficiencies between 90–99 per cent demonstrated at pilot scale. However, drawbacks include energy penalties that require 15–30 per cent of plant output for solvent regeneration, as well as costs for retrofitting and long-term corrosion management (Heidelberg Materials 2025). Oxyfuel combustion has been tested internationally, producing concentrated CO2-laden flue gas, though the high cost of pure oxygen production impedes deployment in India.
Calcium looping offers another promising pathway, where calcium oxide sorbents absorb CO2 and can be regenerated, but challenges of sorbent degradation and high calcination energy requirements remain barriers (DNV 2024). Experimental approaches like membrane separation and mineral carbonation are advancing in India, with startups piloting systems to mineralise flue gas streams at captive power plants. Besides point-source capture, innovations such as CO2 curing of concrete blocks already show promise, enhancing strength and reducing lifecycle emissions.
Despite progress, several systemic obstacles hinder the mass deployment of CCUS in India’s cement industry. Technology readiness remains a fundamental issue: apart from MEA-based capture, most technologies are not commercially mature in high-volume cement plants. Furthermore, CCUS is costly. Studies by CEEW estimate that achieving net-zero cement in India would require around US$ 334 billion in capital investments and US$ 3 billion annually in operating costs by 2050, potentially raising cement prices between 19–107 per cent. This is particularly problematic for an industry where companies frequently operate at capacity utilisations of only 65–70 per cent and remain locked in fierce price competition (SOIC; CEEW).
Building out transport and storage infrastructure compounds the difficulty, since many cement plants lie far from suitable geological CO2 storage sites. Moreover, retrofitting capture plants onto operational cement production lines adds technical integration struggles, as capture systems must function reliably under the high-particulate and high-temperature environment of cement kilns.
Overcoming these hurdles requires a multi-pronged approach rooted in policy, finance, and global cooperation. Policy support is vital to bridge the cost gap through instruments like production-linked incentives, preferential green cement procurement, tax credits, and carbon pricing mechanisms. Strategic planning to develop shared CO2 transport and storage infrastructure, ideally in industrial clusters, would significantly lower costs and risks. International coordination can also accelerate adoption.
The Global Cement and Concrete Association’s net-zero roadmap provides a collaborative template, while North–South technology transfer offers developing countries access to proven technologies. Financing mechanisms such as blended finance, green bonds tailored for cement decarbonisation and multilateral risk guarantees will reduce capital barriers.
An integrated value-chain approach will be critical. Coordinated development of industrial clusters allows multiple emitters—cement, steel, and chemicals—to share common CO2 infrastructure, enabling economies of scale and lowering unit capture costs. Public–private partnerships can further pool resources to build this ecosystem. Ultimately, decarbonisation is neither optional nor niche for Indian cement. It is an imperative driven by India’s growth trajectory, environmental sustainability commitments, and changing global markets where carbon intensity will define trade competitiveness.
With compliance obligations already mandated under CCTS, the cement industry must accelerate decarbonisation rapidly over the next two years to meet binding reduction targets. The challenge is to balance industrial development with ambitious climate goals, securing both economic resilience and ecological sustainability. The pathway forward depends on decisive governmental support, cross-sectoral innovation, global solidarity, and forward-looking corporate action. The industry’s future lies in reframing decarbonisation not as a burden but as an investment in competitiveness, climate alignment and social responsibility.

References

  • Infomerics, “Indian Cement Industry Outlook 2024,” Nov 2024.
  • TERI & GCCA India, “Decarbonisation Roadmap for the Indian Cement Industry,” 2023.
  • UN Press Release, GA/EF/3516, “Global Resource Efficiency and Cement.”
  • World Cement, “India in Focus: Energy Efficiency Gains,” 2025.
  • Statista, “CO2 Emissions from Cement Manufacturing 2023.”
  • Heidelberg Materials, Press Release, June 18, 2025.
  • CaptureMap, “Cement Carbon Capture Technologies,” 2024.
  • DNV, “Emerging Carbon Capture Techniques in Cement Plants,” 2024.
  • LEILAC Project, News Releases, 2024–25.
  • PMC (NCBI), “Membrane-Based CO2 Capture in Cement Plants,” 2024.
  • Nature, “Carbon Capture Utilization in Cement and Concrete,” 2024.
  • ACS Industrial Engineering & Chemistry Research, “CCUS Integration in Cement Plants,” 2024.
  • CEEW, “How Can India Decarbonise for a Net-Zero Cement Industry?” (2025).
  • SOIC, “India’s Cement Industry Growth Story,” 2025.
  • MDPI, “Processes: Challenges for CCUS Deployment in Cement,” 2024.
  • NITI Aayog, “CCUS in Indian Cement Sector: Policy Gaps & Way Forward,” 2025.

ABOUT THE AUTHOR:
Dr Yogendra Kanitkar, Vice President R&D, Pi Green Innovations, drives sustainable change through advanced CCUS technologies and its pioneering NetZero Machine, delivering real decarbonisation solutions for hard-to-abate sectors.

Dr Shirish Kumar Sharma, Assitant Manager R&D, Pi Green Innovations, specialises in carbon capture, clean energy, and sustainable technologies to advance impactful CO2 reduction solutions.

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Concrete

Carbon Capture Systems

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Nathan Ashcroft, Director, Strategic Growth, Business Development, and Low Carbon Solutions – Stantec, explores the challenges and strategic considerations for cement industry as it strides towards Net Zero goals.

The cement industry does not need a reminder that it is among the most carbon-intensive sectors in the world. Roughly 7–8 per cent of global carbon dioxide (CO2) emissions are tied to cement production. And unlike many other heavy industries, a large share of these emissions come not from fuel but from the process itself: the calcination of limestone. Efficiency gains, fuel switching, and renewable energy integration can reduce part of the footprint. But they cannot eliminate process emissions.
This is why carbon capture and storage (CCS) has become central to every serious discussion
about cement’s pathway to Net Zero. The industry already understands and accepts this challenge.
The debate is no longer whether CCS will be required—it is about how fast, affordable, and seamlessly it can be integrated into facilities that were never designed for it.

In many ways, CCS represents the ‘last mile’of cement decarbonisation. Once the sector achieves effective capture at scale, the most difficult part of its emissions profile will have been addressed. But getting there requires navigating a complex mix of technical, operational, financial and regulatory considerations.

A unique challenge for cement
Cement plants are built for durability and efficiency, not for future retrofits. Most were not designed with spare land for absorbers, ducting or compression units. Nor with the energy integration needs of capture systems in mind. Retrofitting CCS into these existing layouts presents a series of non-trivial challenges.
Reliability also weighs heavily in the discussion. Cement production runs continuously, and any disruption has significant economic consequences. A CCS retrofit typically requires tie-ins to stacks and gas flows that can only be completed during planned shutdowns. Even once operational, the capture system must demonstrate high availability. Otherwise, producers may face the dual cost of capture downtime and exposure to carbon taxes or penalties, depending on jurisdiction.
Despite these hurdles, cement may actually be better positioned than some other sectors. Flue gas from cement kilns typically has higher CO2 concentrations than gas-fired power plants, which improves capture efficiency. Plants also generate significant waste heat, which can be harnessed to offset the energy requirements of capture units. These advantages give the industry reason to be optimistic, provided integration strategies are carefully planned.

From acceptance to implementation
The cement sector has already acknowledged the inevitability of CCS. The next step is to turn acceptance into a roadmap for action. This involves a shift from general alignment around ‘the need’ toward project-level decisions about technology, layout, partnerships and financing.
The critical questions are no longer about chemistry or capture efficiency. They are about the following:

  • Space and footprint: Where can capture units be located? And how can ducting be routed in crowded plants?
  • Energy balance: How can capture loads be integrated without eroding plant efficiency?
  • Downtime and risk: How will retrofits be staged to avoid prolonged shutdowns?
  • Financing and incentives: How will capital-intensive projects be funded in a sector with
    tight margins?
  • Policy certainty: Will governments provide the clarity and support needed for long-term investment
  • Technology advancement: What are the latest developments?
  • All of these considerations are now shaping the global CCS conversation in cement.

Economics: The central barrier
No discussion of CCS in the cement industry is complete without addressing cost. Capture systems are capital-intensive, with absorbers, regenerators, compressors, and associated balance-of-plant representing a significant investment. Operational costs are dominated by energy consumption, which adds further pressure in competitive markets.
For many producers, the economics may seem prohibitive. But the financial landscape is changing rapidly. Carbon pricing is becoming more widespread and will surely only increase in the future. This makes ‘doing nothing’ an increasingly expensive option. Government incentives—ranging from investment tax credits in North America to direct funding in Europe—are accelerating project viability. Some producers are exploring CO2 utilisation, whether in building materials, synthetic fuels, or industrial applications, as a way to offset costs. This is an area we will see significantly more work in the future.
Perhaps most importantly, the cost of CCS itself is coming down. Advances in novel technologies, solvents, modular system design, and integration strategies are reducing both capital requirements
and operating expenditures. What was once prohibitively expensive is now moving into the range of strategic possibility.
The regulatory and social dimension
CCS is not just a technical or financial challenge. It is also a regulatory and social one. Permitting requirements for capture units, pipelines, and storage sites are complex and vary by jurisdiction. Long-term monitoring obligations also add additional layers of responsibility.
Public trust also matters. Communities near storage sites or pipelines must be confident in the safety and environmental integrity of the system. The cement industry has the advantage of being widely recognised as a provider of essential infrastructure. If producers take a proactive role in transparent engagement and communication, they can help build public acceptance for CCS
more broadly.

Why now is different
The cement industry has seen waves of technology enthusiasm before. Some have matured, while others have faded. What makes CCS different today? The convergence of three forces:
1. Policy pressure: Net Zero commitments and tightening regulations are making CCS less of an option and more of an imperative.
2. Technology maturity: First-generation projects in power and chemicals have provided valuable lessons, reducing risks for new entrants.
3. Cost trajectory: Capture units are becoming smaller, smarter, and more affordable, while infrastructure investment is beginning to scale.
This convergence means CCS is shifting from concept to execution. Globally, projects are moving from pilot to commercial scale, and cement is poised to be among the beneficiaries of this momentum.

A global perspective
Our teams at Stantec recently completed a global scan of CCS technologies, and the findings are encouraging. Across solvents, membranes, and
hybrid systems, innovation pipelines are robust. Modular systems with reduced footprints are
emerging, specifically designed to make retrofits more practical.
Equally important, CCS hubs—where multiple emitters can share transport and storage infrastructure—are beginning to take shape in key regions. These hubs reduce costs, de-risk storage, and provide cement producers with practical pathways to integration.

The path forward
The cement industry has already accepted the challenge of carbon capture. What remains is charting a clear path to implementation. The barriers—space, cost, downtime, policy—are real. But they are not insurmountable. With costs trending downward, technology footprints shrinking, and policy support expanding, CCS is no longer a distant aspiration.
For cement producers, the decision is increasingly about timing and positioning. Those who move early can potentially secure advantages in incentives, stakeholder confidence, and long-term competitiveness. Those who delay may face higher costs and tighter compliance pressures.
Ultimately, the message is clear: CCS is coming to cement. The question is not if but how soon. And once it is integrated, the industry’s biggest challenge—process emissions—will finally have a solution.

ABOUT THE AUTHOR:
Nathan Ashcroft, Director, Strategic Growth, Business Development, and Low Carbon Solutions – Stantec, holds expertise in project management, strategy, energy transition, and extensive international leadership experience.

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