Efficiency enhancement of pressurized oxy-coal power plant with heat integration

Hou Tsen Chen; Wei Wu

doi:10.1002/er.3236

Efficiency enhancement of pressurized oxy-coal power plant with heat integration

Hou Tsen Chen, Wei Wu

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

The oxy-coal combustion with carbon dioxide capture and sequestration is among the promising clean coal technologies for reducing CO₂ emissions. Because most of oxy-coal power plants need to cope with energy penalties from air separation and CO₂ compressor units, the pressurized combustion is added to reduce the electricity demand for the CCS system, and the waste heat of the pressurized flue gas is recovered by the heat integration technique to increase the power generation from steam turbines. Finally, the efficiency enhancement of a 100MW_e-scale power plant is successfully validated by Aspen Plus simulation.

Original language	English
Pages (from-to)	256-264
Number of pages	9
Journal	International Journal of Energy Research
Volume	39
Issue number	2
DOIs	https://doi.org/10.1002/er.3236
Publication status	Published - 2015 Feb 1

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Nuclear Energy and Engineering
Fuel Technology
Energy Engineering and Power Technology

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10.1002/er.3236

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AB - The oxy-coal combustion with carbon dioxide capture and sequestration is among the promising clean coal technologies for reducing CO2 emissions. Because most of oxy-coal power plants need to cope with energy penalties from air separation and CO2 compressor units, the pressurized combustion is added to reduce the electricity demand for the CCS system, and the waste heat of the pressurized flue gas is recovered by the heat integration technique to increase the power generation from steam turbines. Finally, the efficiency enhancement of a 100MWe-scale power plant is successfully validated by Aspen Plus simulation.

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Efficiency enhancement of pressurized oxy-coal power plant with heat integration

Abstract

All Science Journal Classification (ASJC) codes

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