Energy and Climate Protection
Climate protection is a core element of HeidelbergCement’s environmental policy. As an energy-intensive company, we have been making a substantial effort to minimise our CO2 emissions for many years now. From 1990 to 2015 we reduced our specific net CO2 emissions by 22% to 606 kg CO2 per tonne of cement. For 2030, our aim is to further reduce the emissions by around 20 million tonnes of CO2 per year compared with the level of 1990.
The measures that we are taking to lower CO2 emissions include:
- continuous investment in energy-efficient technologies and production processes,
- the promotion of composite cements, through which the clinker content of our entire cement production has now been reduced to 75%,
- the increased use of alternative fuels including biomass (22% of our entire energy consumption in 2015).
New technologies for capturing and using CO2
HeidelbergCement greatly intensified its efforts to develop technologies for the use of CO2 as a raw material. To this end, the company also formed promising new partnerships. This has enabled us to take the lead in this area in the cement industry.
In 2015 we completed our tests of four different technologies for separating CO2 from combustion exhaust gases at our plant in Brevik, Norway. We are now using the knowledge gained from the tests to put together a comprehensive feasibility study for the construction of a major CO2 capture facility in Brevik. We are receiving financial support for the study from Norway’s state-owned Gassnova carbon capture and storage company.
As part of our efforts to further develop oxy-fuel technology, Heidelberg Cement is participating in the CEMCAP project for promoting the use of CO2 separation technology in the cement industry. The project is being financed through the EU’s Horizon 2020 programme.
HeidelbergCement is also playing a major role in the LEILAC (Low Emissions Intensity Lime And Cement) project. The goal here is to demonstrate the technological and economic feasibility of a process technology that helps separate CO2 in a highly pure form when the latter is released by the combustion of the raw material. This approach complements the oxy-fuel process described above.
In December 2015, HeidelbergCement began working with Joule Unlimited Inc, a pioneer in CO2 recycling, to examine ways of producing biofuels from CO2 emissions.
Further information about our innovations and initiatives regarding the reduction of CO2 emissions can be found in our sustainability report.