Oxyfuel power plant with co-production of DME - A bridging technology

摘要: Capture and storage of carbon dioxide (CCS) from fossil fuelled power plants is on its way to become an important part the pathway a sustainable energy system, i.e. serve as bridging technology. Bridging technologies using fuels are required in order meet emission targets (such corresponding limiting the temperature increase 2oC year 2100) at cost which society seems willing pay, considering security of supply maintaining regional competitiveness. More specifically, current estimates analysis yield that CCS has large potential for reducing CO2 emissions an avoidance no more than 20 €/ton CO2 avoided. However, make system flexible minimizing lock-in effects, it important to investigate integration possibilities between generation transportation sector see if CCS can help biomass market grow. One capture technology this may be possible so called oxyfuel process (or O2/CO2 recycle combustion process). An interesting possibility with process would burn fuel oxygen lean mode (i.e. slightly under stoichiometric conditions), yielding a process gasification co-production synthesis gas, used to synthesize different or production. When produced gas the transportation present emitted atmosphere. In compensate these emissions small fraction could co-combusted proposed process, the amount At same time co-combustion a large coal plant efficient utilize biomass. flexibility processes is increased expensive production minimized.