In this paper, a novel gas turbine cycle integrating methanol decomposition and the chemical-looping combustion (CLC) is proposed. Two types of methanol-fueled power plants, including the new gas turbine cycle with CLC combustion and a chemically intercooled gas turbine cycle, have been investigated with the aid of the diagram. In the proposed system, methanol fuel is decomposed into syngas mainly containing and CO by recovering low-temperature thermal energy from an intercooler of the air compressor. After the decomposition of methanol, the resulting product of syngas is divided into two parts: the part reacting with is sent into the CLC subsystem, and the other part is introduced into a supplement combustor to enhance the inlet temperatures of the gas turbine to . As a result, the new methanol-fueled gas turbine cycle with CLC had a breakthrough in thermodynamic and environmental performance. The thermal efficiency of the new system can achieve 60.6% with 70% of recovery at a gas turbine inlet temperature of . It would be expected to be at least about 10.7 percentage points higher than that of the chemically intercooled gas turbine cycle with the same recovery of and is environmentally superior due to the recovery of . The promising results obtained here indicated that this novel gas turbine cycle with methanol-fueled chemical-looping combustion could provide a promising approach of both effective use of alternative fuel and recovering low-temperature waste heat and offer a technical probability of blending a combination of the chemical-looping combustion and the advanced gas turbine for carbon capture and storage.
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November 2009
Research Papers
An Innovative Gas Turbine Cycle With Methanol-Fueled Chemical-Looping Combustion
Hongguang Jin,
Hongguang Jin
Institute of Engineering Thermophysics,
e-mail: hgjin@mail.etp.ac.cn
Chinese Academy of Sciences
, Beijing 100039, China
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Xiaosong Zhang,
Xiaosong Zhang
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100080, China; Graduate University of the Chinese Academy of Sciences
, Beijing 100080, China
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Hui Hong,
Hui Hong
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100080, China
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Wei Han
Wei Han
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100080, China
Search for other works by this author on:
Hongguang Jin
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100039, Chinae-mail: hgjin@mail.etp.ac.cn
Xiaosong Zhang
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100080, China; Graduate University of the Chinese Academy of Sciences
, Beijing 100080, China
Hui Hong
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100080, China
Wei Han
Institute of Engineering Thermophysics,
Chinese Academy of Sciences
, Beijing 100080, ChinaJ. Eng. Gas Turbines Power. Nov 2009, 131(6): 061701 (8 pages)
Published Online: July 17, 2009
Article history
Received:
November 10, 2008
Revised:
December 10, 2008
Published:
July 17, 2009
Citation
Jin, H., Zhang, X., Hong, H., and Han, W. (July 17, 2009). "An Innovative Gas Turbine Cycle With Methanol-Fueled Chemical-Looping Combustion." ASME. J. Eng. Gas Turbines Power. November 2009; 131(6): 061701. https://doi.org/10.1115/1.3098418
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