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1CO2 UTILIZATION DREAMPRODUCTION 1.4 Dream Production BMBF Project FKZ 033RC1005 Project Coordinator: Dr. Christoph Gürtler, Covestro Project Partner: Bayer Technology Services, CAT Catalytic Center, RWTH Aachen, RWE 1.4.1 Introduction The idea itself actually seems quite obvious: If humankind produces too much carbon dioxide (CO2), causing an imbalance in the natural carbon di- oxide cycle, why not attempt to use at least a small part of this inherently harmless gas for some beneficial purpose? This would reduce consumption of other sources of carbon and the ‘waste product’ CO2 could be utilised, for example, as feedstock material in the chemical supply chain. This was the dream of a consortium comprising Covestro (formerly Bayer MaterialScience, BMS), Bayer Technology Services (BTS), RWTH Aachen University (represented by the Leitner, Liauw and Bardow research groups at the CAT Catalytic Centre) and RWE Power AG, who in 2010 began working on the ‘Dream Production’ project funded by the German Federal Ministry of Education and Research (BMBF). The common project goals were: 1. to supply CO2 from the flue gas stream of a coal-fired power plant at a pu- rity level suitable for use in chemical synthesis (synthesis grade). 2. to use CO2 as a C1 building block in the production of polyether car- bonates. The underlying catalytic systems were those already identified and developed in the preceding ‘Dream Reactions’ project. The novel polyether carbonate products would also be tested, particularly with re- spect to their use in manufacturing samples of polyurethane. 3. to catalytically activate CO2 as a C1 building block so that it can react with amines to produce isocyanates. The aim was to identify an improved, preferentially catalytic process so that over the long-term polyurethanes can be produced from CO2-based polyether carbonates and isocyanates. The idea of using CO2 as a chemical building block is not new. Chemists were conducting research in this field as early as the 1960s. The challenge was and is to find an economically and environmentally viable process that would al- low the relatively inert CO2 molecule to be used in industrial chemical syn- thesis. 44PDF Image | Chemical Processes and Use of CO2
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