A case study of PFBC for low rank coals
Conference
·
OSTI ID:374594
- ABB Carbon AB, Finspong (Sweden)
Pressurized Fluidized Combined-Cycle (PFBC) technology allows the efficient and environmentally friendly utilization of solid fuels for power and combined heat and power generation. With current PFBC technology, thermal efficiencies near 46%, on an LHV basis and with low condenser pressures, can be reached in condensing power plants. Further efficiency improvements to 50% or more are possible. PFBC plants are characterized by high thermal efficiency, compactness, and extremely good environmental performance. The PFBC plants which are now in operation in Sweden, the U.S. and Japan burn medium-ash, bituminous coal with sulfur contents ranging from 0.7 to 4%. A sub- bituminous {open_quotes}black lignite{close_quotes} with high levels of sulfur, ash and humidity, is used as fuel in a demonstration PFBC plant in Spain. Project discussions are underway, among others in Central and Eastern Europe, for the construction of PFBC plants which will burn lignite, oil-shale and also mixtures of coal and biomass with high efficiency and extremely low emissions. This paper will provide information about the performance data for PFBC plants when operating on a range of low grade coals and other solid fuels, and will summarize other advantages of this leading new clean coal technology.
- Research Organization:
- North Dakota Univ., Grand Forks, ND (United States)
- OSTI ID:
- 374594
- Report Number(s):
- DOE/MC/30097--5161-Pt.2; CONF-9410458--Pt.2; ON: DE96011553
- Country of Publication:
- United States
- Language:
- English
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