MINIMIZING NET CO2 EMISSIONS BY OXIDATIVE CO-PYROLYSIS OF COAL / BIOMASS BLENDS

Lang, Todd ; Hurt, Robert

National Energy Technology Laboratory (U.S.)

关键词: Biomass;    Carbon Dioxide;    01 Coal, Lignite, And Peat;    Pyrolysis;    Oxidation;   

DOI  :  10.2172/791728
RP-ID  :  FG26-00NT40827--02
RP-ID  :  FG26-00NT40827
RP-ID  :  791728

美国|英语

来源: UNT Digital Library

【 摘 要 】

This study presents a set of thermodynamic calculations on the optimal mode of solid fuel utilization considering a wide range of fuel types and processing technologies. The technologies include stand-alone combustion, biomass/coal cofiring, oxidative pyrolysis, and straight carbonization with no energy recovery but with elemental carbon storage. The results show that the thermodynamically optimal way to process solid fuels depends strongly on the specific fuels and technologies available, the local demand for heat or for electricity, and the local baseline energy-production method. Burning renewable fuels reduces anthropogenic CO{sub 2} emissions as widely recognized. In certain cases, however, other processing methods are equally or more effective, including the simple carbonization or oxidative pyrolysis of biomass fuels.