3E (energy, environmental, and economy) evaluation and assessment to an innovative dual-gas polygeneration system

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• 作者：Qun Yi^a ; ^b ; Jie Feng^a ; ^b ; ^{fengjie@tyut.edu.cn" class="auth_mail} ; Yanli Wu^a ; ^b ; Wenying Li^a ; ^b ; ^{ying@tyut.edu.cn" class="auth_mail} ; ^{goatwing2010@gmail.com" class="auth_mail}
• 关键词：Polygeneration system ; Coal gasified gas ; Coke oven gas ; CO2 recycling ; 3E assessment
• 刊名：Energy
• 出版年：1 March, 2014
• 年：2014
• 卷：66
• 期：Complete
• 页码：285-294
• 全文大小：1167 K

文摘

To resolve problems surrounding simultaneous CO₂ conversion and COG (coke oven gas) utilization, a novel system combining a dual-gas of CGG (coal gasified gas) and COG with the technology of CO₂ recycling into a single gasifier and reforming unit is proposed. 3E performance (energy, environmental, and economic) analysis showed that this novel system renders unnecessary the traditional water-gas shift process, and realizes the conversion and utilization of CH₄ and CO₂ that would otherwise be directly discharged into the air. Under a weak carbon mitigation policy, the economics of co-producing low-carbon fuels and electricity from a dual-gas of CGG and COG are promising. The 鈥渄ual-gas鈥?technology is a potentially viable option for clean coal and its efficient use in the co-production of low-carbon fuels and electricity in areas possessing COG, natural gas or other unconventional natural gas resources.