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1 Environment Protection Engineering

1 2010

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Reduction of carbon dioxide emission using adsorption - desorption cycles in a fluidised bed reactor

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Żukowski W. , Englot S. , Baron J. , Kandefer S. , Olek M.

Environment Protection Engineering

2010

tom Vol. 36, nr 4

47-56

The paper discusses the possibility of applying the reversible reaction CaCO3 - CaO + CO2 in cyclic capture and release of CO2 directly inside a fluidised bed combustor. This would cause lowering CO2 emissions to the atmosphere, thanks to obtaining energy from burning fossil fuels. Observations made on the effect of introducing an additional external stream of CO2 on the efficiency of the chemical capture process are described. It is implied that CO2 derived from the fuel can be temporarily retained within the bed to be released later at a higher concentration. The proposed method of burning fuel in a chemically active fluidised bed could be an available method leading to CO2 isolation from flue gases and to its eventual sequestration.