期刊
COMPUTERS & CHEMICAL ENGINEERING
卷 39, 期 -, 页码 105-117出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compchemeng.2011.10.006
关键词
Polygeneration; Sustainability assessment; Coal to DME; Natural gas to DME
资金
- National Science Foundation [0737104, 0731066]
- Texas Waste Research Center
- Direct For Education and Human Resources
- Division Of Undergraduate Education [0737104] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0731066] Funding Source: National Science Foundation
Polygeneration systems produce chemicals, electricity, fuel, hydrogen, etc., from one or more type of feedstock. Considering their promise to provide high material and energy conversion from natural resources, polygeneration systems are recognized as promising technologies for future chemical and power industries. Sustainability assessment of these systems can provide valuable information to designers. Embedding exergy analysis and inherent safety score that quantify the efficiency and societal aspect, respectively, to complement the widely accepted economic assessment and environmental impacts assessment in a decision tree evaluation framework provides a more comprehensive, yet fast methodology to compare related processes in terms of sustainability. In this paper two different polygeneration systems, which use coal and natural gas as feed to produce dimethyl ether and power, are compared using a comprehensive sustainability assessment methodology. The results of the assessment are used to identify the more sustainable process, taking into account the economic, environmental, societal and efficiency factors. (c) 2011 Elsevier Ltd. All rights reserved.
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