HEIDELBERGCEMENT AG

LEILAC 2 pilot project will be located at HeidelbergCement’s Hanover cement plant

After very good results from the first project phase, HeidelbergCement is starting the further development and scaling-up of the LEILAC technology (Low Emissions Intensity Lime And Cement) together with the Australian technology company Calix and a European consortium. After examining different locations, it has been decided to build the LEILAC 2 demonstration installation for carbon capture at the HeidelbergCement cement plant in Hanover/Germany.

As part of LEILAC 1, a CO2 capture pilot installation with a capture capacity of 25000 t of CO2 per year was constructed at HeidelbergCement‘s Lixhe plant in Belgium in 2017. With LEILAC 2, an installation around four times as large will be operated in Hanover, which will capture 20% of the cement plant’s capacity, corresponding to around 100000 t of CO2 per year. The first project design phase is to be completed by the end of June 2021, and the demonstration installation is expected to be ready by the end of 2023. Including design, construction, commissioning and extensive testing, the overall project is expected to be completed by 2025.

With the patented LEILAC technol-ogy, the CO2 released during cement production can be captured in a highly pure form via a separate waste gas stream and used in another process. Like its predecessor project LEILAC 1, LEILAC 2 is based on Calix‘s innovative calciner technology. The project costs amount to € 25 million, of which € 16 million are coming from the EU research funding programme Horizon 2020 and € 9 million are being provided by the partners of the project consortium. HeidelbergCement’s share of this amounts to € 3 million. The project in Hannover will also include preliminary investigations into the use of the captured CO2.

Main aspects of the LEILAC 2 project are now the further scaling-up of the technology to large industrial scale, the complete integration of the process into an existing cement plant and the heat supply for the installation from renewable energies for climate-neutral CO2 capture.

HeidelbergCement has set itself the goal of reducing its CO2 emissions by 30% by 2025 compared with the reference year 1990. In order to achieve this, the Group has intensified its research in the area of CO2 emissions and is investing in several different pilot projects and technologies for the capture, utilisation and storage (CCU/S) of CO2 emissions. HeidelbergCement is a global leader in the building materials industry in the development and application of innovative technologies for CO2 capture and utilisation. In addition to LEILAC, the company is involved in a number of other development and scaling projects – for example, in Norway in the CCS project “Northern Lights” or in Germany with partners from the cement industry in the CCU project “Catch4Climate”.

www.heidelbergcement.com

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