期刊
AICHE JOURNAL
卷 65, 期 7, 页码 -出版社
WILEY
DOI: 10.1002/aic.16480
关键词
data envelopment analysis; chemical process targeting; sustainability; practical closest targets; process synthesis; liquid transportation fuels
资金
- Colombian Administrative Department of Science Technology and Innovation (COLCIENCIAS)
- Engineering and Physical Sciences Research Council (EPSRC) [EP/N010531/1]
- EPSRC [EP/N010531/1] Funding Source: UKRI
This article presents a framework for combining data envelopment analysis with process systems engineering tools, aiming to improve the sustainability of chemical processes. Given a set of chemical processes, each characterized by performance indicators, the framework discriminates between efficient and inefficient processes in regard to these indicators. We develop an approach to quantifying the closest targets for an inefficient process to become efficient, while preventing unrealistic targets by accounting for thermodynamic limitations represented as mass and energy flow constraints. We demonstrate the capabilities of the framework by assessing a methanol production process with captured CO2 and fossil-based H-2, in comparison to 10 alternatives. The methanol fuel is found to be suboptimal in comparison with other fuels. Making it competitive would require a significant (unrealistic in the short term) reduction in H-2 price. Alternatively, the methanol fuel could become competitive upon combining fossil-based H-2 with sustainably produced H(2)via wind-powered electrolysis. (c) 2018 American Institute of Chemical Engineers AIChE J, 65: e16480 2019
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