Displaying items by tag: decarbonisation

Italy: The pilot plant for the Cleanker project was inaugurated at Buzzi Unicem’s Vernasca cement plant in early October 2020. The purpose of the calcium looping technology project is to demonstrate a technology for capturing carbon dioxide (CO₂) in cement plants. Tests will be run for around 10 months with a total actual operating time of one month at most.

Germany: Cemex Zement has announced the start of carbon-neutral building materials development at its 1.9Mt/yr Rüdersdorf, Brandenburg cement plant. Called Vision Rüdersdorf, the project consists of, “the comprehensive investigation of various approaches to breakthrough technologies in order to prevent process-related carbon dioxide (CO₂) from entering the atmosphere, but to use it for beneficial purposes. The investigation areas can be divided into capture, storage or use of CO₂. This will help towards Cemex’s target of 55% CO₂ emissions reduction across Europe by 2030 and its commitment to deliver carbon-neutral concrete by 2050.

Chief executive officer (CEO) Rüdiger Kuhn said, “For years, sustainable success has been achieved here in the reduction of fossil fuels and in the selection of alternative recipe ingredients for cement. The experienced team is always looking for possible improvements. When it came to determining the best possible CO₂ emission values, the Rüdersdorf plant was always at the forefront of the European cement industry and has thus also earned an excellent reputation in the global Cemex organisation.”

In order to realise Vision Rüdersdorf, the producer has partnered with companies from other industries. Managing director and plant manager Stefan Schmorleiz said, “In an interesting approach, the CO₂ that we capture is used as a raw material for downstream processes in the chemical industry. Another approach is to innovate in the storage of CO₂. With these efforts, and our commitment to review and invest in these technologies, Cemex Zement is making a contribution to the decarbonisation of the cement industry.”

UK: UK Concrete and the Mineral Products Association (MPA) have launched a roadmap for the concrete and cement industry to become net negative by 2050. It plans to do this through decarbonised electricity and transport networks, fuel switching, greater use of low-carbon cements and concretes as well as carbon capture, use or storage (CCUS) technology.

“We have already made significant progress to reduce carbon emissions but are under no illusion about the scale of the net zero challenge,” said Nigel Jackson, chief executive of the MPA. “Achieving this will require the wholesale decarbonisation of all aspects of concrete and cement production, supply and use. The concrete and cement industry as one sector alone cannot deliver net zero and we will only be able to go beyond net zero with concerted support from government, as well as with significant changes across the wider construction, energy and transportation sectors.” He added that the roadmap could be delivered without offsetting emissions, offshoring production facilities or ‘carbon leakage.’

The ‘Roadmap to beyond net zero’ calculates the potential of each technology and the carbon savings which can be achieved. CCUS technology is vital to delivering net zero manufacturing and according to the roadmap will deliver 61% of the required carbon savings. It intends to achieve a net negative industry by 2050 by the ability of concrete to absorb carbon dioxide during use and the thermal properties of concrete in buildings and structures to reduce operational emissions.

The MPA is also lobbying the government for a financial support model including for the capital and operational costs of carbon capture by no later than 2021. This is desired to ensure the technology can be developed, deployed and become an investable proposition in the 2030s.

Mexico: Cemex has announced the signing of a collaboration agreement with Switzerland-based alternative fuel (AF) specialist Synhelion, through which the pair aim to develop the use of solar power as an alternative heat source to fuel in clinker production. Pilot testing of Synhelion products will begin at a Cemex plant in late 2022, at a total investment cost of up to US$10m.

Head of global research and development Davide Zampini said, "Thanks to the technology that Synhelion is developing, we can bring the solar heat up to 1500°C. In the process, we can also capture the carbon dioxide (CO₂), and that fits perfectly into the process of the synthetic fuel."

Norway: The Norwegian government has introduced a bill to parliament to allow funding for industrial scale implementation of HeidelbergCement’s carbon capture and storage (CCS) project at its 1.2Mt/yr Brevik plant in Porsgrunn, Telemark. If enacted, the legislation will provide for the majority of required funding.

HeidelbergCement chair Dominik von Achten, “We are very pleased with the proposal of the Norwegian government. This allows us to continue the pioneering work that we started together with our partners in Brevik. The CCS project in Norway is an important cornerstone in our climate strategy. It will enable us to significantly reduce otherwise unavoidable greenhouse gas emissions related to the cement production process.”

Mexico: Cemex subsidiary Cemex Ventures has signed an agreement with US-based carbon capture and storage (CCS) specialist Carbon Clean for the development of a CCS solution for under US$30/t of carbon dioxide (CO₂) captured. Cemex cement plants will host the products during pilot testing. Cemex Ventures head Gonzalo Galindo said, “The ambitious target of making carbon capture technology accessible and more efficient would be an unprecedented achievement for the cement sector, opening a door of opportunities for further developments.”

US: LafargeHolcim says that Department of Energy institution National Energy Technology Laboratory has awarded US$1.5m of federal funding to the company’s CO₂MENT Colorado project. The project aims to capture 2.0Mt/yr of carbon dioxide (CO₂) from the company’s 1.9Mt/yr Portland cement plant in Florence, Colorado for sequestration underground by Occidental.

The group said, “With the successful completion of the initial scoping study in June 2020 and confirmation of Department Of Energy funding, the partnership has committed to the next project phase.”

Japan: A proposal by Mitsubishi Group on researching CO₂ injection into concrete has been approved for a grant from the New Energy and Industrial Technology Development Organisation (NEDO). This joint project between Mitsubishi Group, Kajima Corporation, and Chugoku Electric Power aims to improve the existing technology so that it can be applied to the reinforced and cast-in-place concretes used in building construction. At present the group said that current carbon-recycling techniques are mainly used for unreinforced concretes, such as concrete blocks.

Mitsubishi Group has already been involved in the development of concrete projects that take advantage of carbon-recycling, including a zero-emission concrete called CO₂-SUICOM. It added that carbon capture, utilisation and storage (CCUS) technologies, including carbon-recycling, are an excellent opportunity for the company to use its strengths between industries that both emit and use CO₂.

Japan: Sumitomo Osaka Cement is working on a three year CO₂ mineralisation research project from 2020 to 2022 with Yamaguchi University, Kyushu University and the New Energy and Industrial Technology Development Organisation (NEDO). The initiative plans to develop the technology to build a process that captures CO₂ exhaust from cement and power plants and then mineralises it with calcium-containing waste materials. It intends to use the process practically in 2030.

France: UK-based Carbon8 Systems has announced plans for the commercial implementation of its carbon capture and use (CCU) system at Vicat’s Montalieu integrated cement plant in France. It follows successful demonstration projects at cement plants in the UK and Canada.

The company’s CO₂ntainer product will be deployed directly onsite at the plant and integrated into Vicat's existing industrial processes. It will capture CO₂ directly from the plant's flue gas emissions and use this as part of its Accelerated Carbonisation Technology (ACT) process. This accelerates the carbonation of cement bypass dust into lightweight aggregates. In its first phase of operation it will process and convert up to 12,000t of cement bypass dust.