Displaying items by tag: carbon capture and utilisation

Australia: Calix has been awarded a US$10m grant from the Australian government’s Carbon Capture Technologies Program to build a commercial demonstration electric calciner for ‘near zero emissions’ lime and cement production. The grant covers up to 50% of the expenditure, contingent on meeting project milestones.

The project will utilise the Leilac technology to capture up to 20,000t/yr of CO₂ from the cement and lime manufacturing processes. The project will create two revenue streams via a ‘near zero emissions’ lime product, as well as up to 15,000t/yr of captured CO₂ being sold to the SM1 project for green methanol production.

In the second phase of the project, production will be expanded to include the processing of cement raw meal to a ‘near zero emissions’ clinker product, with captured CO₂ supplied for use.

Thailand: Siam Cement Group has awarded JGC Corporation the pre-feasibility study for a carbon capture and utilisation (CCU) facility at a cement plant in Thailand. The study will determine the technology license, assess the required production capacity for CO₂ capture facilities and evaluate the economic feasibility of constructing a CCU facility, which will capture and convert CO₂ from SCG's cement plant emissions into new chemical products.

Germany: Heidelberg Materials, in partnership with Linde, is constructing a large-scale carbon capture and utilisation (CCU) facility at its Lengfurt cement plant, set to start operating in 2025. According to the company, it will be the first of its kind. The project is named Capture-to-Use (CAP2U) and will capture 70,000t/yr of CO₂.

Christian Knell, general manager of Heidelberg Materials Germany, said "With the amine scrubbing technology applied here in Lengfurt, we are demonstrating the capture and utilisation of CO₂ on an industrial scale for the first time in the cement industry in Germany.”

Canada: Hyperion Global Energy has fired up its pilot Tandem Carbon Recycling System at Lafarge Canada’s Bath cement plant in Ontario. The system mineralises captured CO₂ to produce mineral components for alternative building materials. It has a capture capacity of 1000t/yr. The partners will test the Tandem Carbon Recycling System in producing Lafarge Canada’s 30 – 90% reduced CO₂ ECOPact concrete.

Lafarge Canada’s Eastern Canada regional president and CEO of David Redfern said "Our collaboration with Hyperion marks an exciting milestone in our decarbonisation journey and the advancement of our circular construction technologies. We look forward to advancing our net zero strategy by leveraging carbon utilisation technology like Hyperion's, enabling us to further reduce CO₂ emissions from our operations while at the same time producing innovative and sustainable building solutions."

Hyperion CEO Heather Ward said "Working together with an innovative partner like Lafarge on this exciting pilot project allows us to apply our proprietary carbon recycling technology to large-scale industries, and make an immediate, measurable reduction on carbon emissions. At the same time, we are advancing our vision to offer a scalable and affordable decarbonisation solution for industry, and a market-driven profit incentive on the cost of carbon removal."

Italy: Scientists Gregory Chass and Kun Tian have developed a sustainable concrete from wet waste materials through their company Mesoscale Engineering Halcyon. This 'green concrete' concept was conceived in Garbatella and will first be tested on the district's pavements. The concrete, made by combining and recycling industrial CO₂ emissions with brine from saltworks, is part of the Clean Energy Transition Partnership. It is also central to the BUCK$$$ project, led by Kun, focusing on carbon capture and utilisation. This project, with €2.54m in funding, involves 13 partners from seven countries.

This innovative concrete arises from 'mineralised CO₂', which is similar to mollusc shells made of calcium carbonate, as well as materials derived from saltwork brine, desalination, and industrial wastewater. Both currently underused products are expected to become crucial in the cement and concrete industries, particularly in Italy.

Netherlands: Siam Cement Group has acquired new shares in electrochemistry start-up Avantium through its affiliate Senfi Ventures. Reuters has reported that the Thailand-based group now holds a 3% stake in Avantium, through total investments of US$4.82m.

Avantium’s technologies include the Volta system, which produces commercial chemicals using captured CO₂. Avantium previously tested the system at a Titan Cement Group cement plant in Greece.

UK: The World Cement Association (WCA) marked the achievement of an ‘historic’ global consensus for decarbonisation at the COP28 climate change conference in the UAE in December 2023 with a new call to global cement producers and suppliers. The association called on all participants in the industry to help promote developments in reduced-CO₂ cement production through enhanced connectivity and communication. It said that technologies like alternative raw materials and alternative fuels (AF), efficiency-enhancing process changes and carbon capture and utilisation (CCU) are widely applied, but unequally, applied in the global cement industry.

Regarding the disparity between different markets, the WCA said “This imbalance underscores the critical need for more research and development funding in emerging markets, where there is real demand for this kind of support as a crucial enabler of progress.” It added “We will join hands with our members and stakeholders to advance the low-carbon and sustainable development of the industry and contribute to building a clean, safe and beautiful world.”

India: A report by the Council on Energy, Environment and Water (CEEW), funded by power provider BP, has estimated that India’s cement and steel sectors will require capital expenditure (CAPEX) investments of US$627bn in order to reach net zero CO₂ emissions. The report stated that waste heat recovery (WHR) and other efficiency-enhancing upgrades to cement plants can immediately reduce the industry’s emissions by 32%.

United News of India has reported that CEEW CEO Arunabha Ghosh said "Incentivising renewable energy will play a pivotal role in decarbonisation, through lower or no transmission charges at central and state levels. The government of India should develop a policy for and expedite the establishment of a carbon capture, utilisation and storage ecosystem to abate more than half of the emissions from the existing steel and cement plants.” Ghosh added “Since hydrogen will play a key role in its implementation, the next phase of the National Green Hydrogen Mission should focus on this agenda."

Europe: Holcim has secured funding for three separate carbon capture, utilisation and storage (CCUS) projects at its cement plants in Europe. The recipient projects are the Go4Zero project at Holcim Belgium's Obourg cement plant in Belgium, the KOdeCO project at Holcim Croatia's Koromačno cement plant in Croatia and the eM-Rhône project at Lafarge Ciments' Le Teil cement plant in France. The Le Teil plant's system will be used to produce e-methanol, while the investment at the Koromačno plant will be part of a package of upgrades to turn the plant carbon neutral.

Alongside on-going projects in Germany and Poland, this will bring Holcim's total number of EU-funded CCUS projects to five. Holcim is committed to US$2.33bn-worth of investments of its own in over 50 carbon capture projects worldwide before 2030.

Holcim's Europe regional head Miljan Gutovic said “It’s exciting to be at the forefront of decarbonising the building sector in Europe. The support we are receiving from the EU Innovation Fund for five of our CCUS projects is a great testament to the strength of our engineering teams, the maturity of our technologies and our advanced partnerships across the value chain. Our robust pipeline of projects positions us as the partner of choice to scale up carbon capture technologies in Europe.”

Cemex highlighted its Clyngas project at its Alicante cement plant in Spain this week. The project will produce synthesis gas (syngas) from different types of waste for direct injection into the burner at the plant during the combustion process. It is being run in conjunction with Waste to Energy Advanced Solutions (WTEnergy), a company that Cemex invested in at the end of 2022. It is also receiving Euro4.4m in funding from the European Commission (EC) as part of its innovation fund for small scale projects. The initiative estimates that it will save over 400,000t of equivalent CO₂ during the first 10 years of the project's life by replacing petroleum coke with syngas.

Clyngas is another example of Cemex’s innovation with alternative fuels for cement and lime. It follows on from the group’s work with hydrogen injection into cement kilns. As presented at the 15th Global CemFuels Conference 2022 it has been using hydrogen in low volumes as a combustion enhancer in more than 20 plants worldwide. However, it was also looking into using hydrogen more directly as a fuel and as a feedstock for other alternative fuels. WTEnergy’s gasification process could potentially link up to this as it converts waste streams such as wood chips, agricultural waste, refuse derived fuel (RDF), solid recovered fuel (SRF), dry sewage sludge, meat and bone meal, poultry litter and plastics into syngas. WTEnergy then proposes that its gasification process and/or the syngas can be used for power generation and thermal applications. In the case of the Clyngas project it will be the latter, as the gasification process will be used to boost the burnability characteristics of RDF with a high biomass content. One part of this to note is that the syngas can potentially be used to manufacture hydrogen. This would be a useful capability for a cement company, for example, that was already using alternative fuels and was now considering further decarbonisation by switching to using hydrogen.

A few other cement companies have been looking at synthetic fuels too, but this has generally been as a by-product of carbon capture and utilisation. This week Lafarge France, for example, said it had signed a memorandum of understanding with Axens, EDF and IFP Energies Nouvelles for a synthetic fuel production trial. Its plan is to build a unit that will produce synthetic kerosene using captured CO₂ from a carbon capture installation at Lafarge France's Saint-Pierre-La-Cour cement plant. The kerosene will then be sold to airlines. Other examples of cement companies looking at using captured CO₂ to manufacture synthetic fuels include Finnsementti’s pre-engineering study with Aker Carbon Capture to consider producing methanol as a fuel for transport, Holcim’s and TotalEnergies’ various plans of what to do with the CO₂ captured from the-to-be upgraded Obourg cement plant and Cemex Deutschland’s ambitions for its Rüdersdorf plant.

As can be seen above there are different types of synthetic fuels and cement companies are at the research and pilot stages. Although there isn’t a commonly accepted definition of what a synthetic fuel is, the general meaning is that of a fuel made from feedstock using a chemical reaction as opposed to, say, a refining process. The wide variety of potential synthetic fuels puts the confusion over the different types of hydrogen into perspective. However, this may be a problem for a later date if usage by cement companies becomes more serious.

What is a problem, though, has been the EC’s planned legislation to phase out the use of industrial CO₂ in synthetic fuels by 2041. Cembureau, the European cement industry association, warned in late 2022 of the issues this would pose for industries trying to find a way to utilise their CO₂ emissions where storage was too difficult or expensive. Its view was that while synthetic fuels using industrial CO₂ are not fully net-zero, as the captured CO₂ is later released into the atmosphere, it is a necessary short to medium term step for sectors trying to make the transition. Companies trying to build industrial-scale chemical plants for synthetic fuels need running periods of 20 to 30 years to achieve payback. As of March 2023 Cembureau was still concerned about the implication of proposed regulations, specifically with regards to the proposed criteria for which synthetic fuels could be used, based on their greenhouse gas emissions savings (at least 70% compared to the regular fuels being replaced). It directly linked this to synthetic fuels projects being launched by the cement sector that might be adversely affected by the new rules. The EC published the legislation in late June 2023 and it is set to become legal in mid-July 2023.

Using synthetic fuels either as a fuel or a by-product from cement production is an area of interest currently with the projects detailed above and others in progress. One vision for their use in Europe, at least, is that they might offer a route for carbon capture for cement plants without access to the logistic networks necessary for sequestration. Whether they find a place in cement manufacture either on a transitional basis or over a longer term should become clearer over the coming decade. Yet the EC’s new rules are likely to slow this process down as at least some of the planned pilots may become unviable in Europe. Other jurisdictions around the world take note.