Alstom awarded concept study for Mongstad full-scale CO2 capture project

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The Norwegian state owned enterprise for Carbon Capture and Storage, Gassnova, has awarded Alstom a concept study for a full-scale CO2 capture plant to be located at Mongstad near Bergen, Norway.

The commissioned study includes a cost estimate for the erection and operation of a full-scale CO2 capture plant based on Alstoms proprietary chilled ammonia process (CAP). Mongstad is the location of the Technology Centre Mongstad (TCM), which is the worlds largest facility for testing and improving CO2 capture technology.

This study is the third phase of the Technology Qualification Program being undertaken for the CO2 Capture Mongstad (CCM) project. During the first phase Alstom successfully executed a feasibility study for the project.

During the second phase of the program, which is currently on-going, Alstom continues to demonstrate with its own plant design the application of the companys CAP technology for flue-gases coming from a gas-fired power plant. This second phase establishes the basis for the study now awarded.

The knowledge gained will prepare the ground for widespread CO2 capture deployment to combat climate change. Alstoms CAP process is a chemical absorption process, in which flue gas is contacted with an ammonia based solution which then reacts with the CO2. Raising the temperatures reverses the reaction releasing the CO2 and allowing the solvent to be recycled.

Following Alstoms successful pilot plant in Wisconsin, USA (5 MW), and the first full chain carbon capture and store (CCS) validation plant in West Virginia, USA (54 MW) both of which operated for over two years the chilled ammonia process confirmed its potential to be one of the best-in-class technologies.

The Alstom test plant recently commissioned at TCM continues the overall validation programme for CAP, demonstrating it to be a highly efficient and cost effective process compared to alternatives.

Alstom offers a full portfolio of the most advanced carbon capture technologies for power and industrial applications. The company is committed to pursue actively the concept of industrial de-carbonisation together with the global energy sectors biggest utilities as well as with other industrial companies around the world.