IGCC process intensification for simultaneous power generation and CO2 capture
- Authors
- Ahmed, Usama; Zahid, Umer; Jeong, Yeong Su; Lee, Chul-Jin; Han, Chonghun
- Issue Date
- Mar-2016
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- IGCC; Process intensification; CO2 capture; Power generation
- Citation
- CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION, v.101, pp 72 - 86
- Pages
- 15
- Journal Title
- CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
- Volume
- 101
- Start Page
- 72
- End Page
- 86
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/48827
- DOI
- 10.1016/j.cep.2015.12.012
- ISSN
- 0255-2701
1873-3204
- Abstract
- In this study IGCC process which is a commercial example of pre-combustion technique has been developed in order to analyze the overall plant output with CO2 capture while discussing the process economics. Three different schemes with consistent and transparent methodology have been proposed in order to ensure fair evaluation of analysis. First two cases use water gas shift (WGS) reactions scheme with sour shift catalysis process. The resulted syngas rich of CO2 is treated by CO2 capture unit producing a syngas almost free of CO2 which can be either combusted by air or O-2. The first case uses air as an oxidant for burning H-2 and the combustor temperature is controlled by air as well. In the second case, O-2 is used as an oxidizing agent for H-2 combustion and combustion temperature is controlled by recycling the captured CO2. In the third case, WGS reactor and CO2 capture units are removed. The syngas composed of CO and H-2 is sent directly for combustion with high purity O-2 making it similar to an oxy-fuel combustion process and CO2 is recovered while condensing steam from the flue gas. All the results are compared in terms of both power plant efficiencies and economics. (C) 2016 Published by Elsevier B.V.
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Collections - College of Engineering > School of Chemical Engineering and Material Science > 1. Journal Articles
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