Technoeconomic assessment of China's indirect coal liquefaction projects with different CO2 capture alternatives

Zhou W, Zhu B, Chen D, Zhao F, & Fei W (2011). Technoeconomic assessment of China's indirect coal liquefaction projects with different CO2 capture alternatives. Energy 36 (11): 6559-6566. DOI:10.1016/j.energy.2011.09.007.

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Abstract

ICL (Indirect coal liquefaction), an alternative fuel-supplying technology, has drawn much attention and caused considerable debate in China's energy sector. The hurdles to its development include the high risk of investment into large-scale installations, the high CO2 emissions and water resource consumption. A comprehensive assessment of ICL is urgently needed. This study provides an economic assessment and a technical analysis based on process simulations. To address the future challenge of curbing CO2 emissions, three absorption methods are compared for capturing the CO2 released from the ICL process: DM (a novel absorbent), MEA and Rectisol. The comparative results suggest that physical absorbents, represented by Rectisol and DMC, have a remarkable advantage over chemical absorption processes, represented by MEA. The Rectisol process costs the least, while the DMC process is close to the same level. As a novel absorbent, DMC has the potential to be widely used in the future. The economic analysis of CL predicted a high capital cost of over 35 billion yuan and an overall product cost of approximately 3800 yuan/ton for the baseline. In addition, via a sensitivity analysis, coal price, electricity price and capacity factor were identified as the three most influential factors affecting the overall product cost.

Item Type: Article
Uncontrolled Keywords: ICL (Indirect coal liquefaction); CO2 capture; Technoeconomic assessment
Research Programs: Energy (ENE)
Bibliographic Reference: Energy; 36(11):6559-6566 (November 2011) (Published online 29 September 2011)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:45
Last Modified: 01 Dec 2016 07:44
URI: http://pure.iiasa.ac.at/9515

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