期刊
JOURNAL OF CO2 UTILIZATION
卷 13, 期 -, 页码 105-113出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jcou.2016.01.003
关键词
Solar Energy; CO2; Wind power; DME; Hydrogen
In this paper we present the optimal year round production of DME from electrolytic hydrogen and and CO2. Solar PV systems and wind turbines are compared as sources of energy for water electrolysis. The process comprises a wind farm and/or a solar field, electrolyzers, gas stream purification stages, DME synthesis and purification. The unconverted gas can be recycled or used to produce power. Mathematical programming techniques are used for the design of the process and its optimal operation over a year. We present a detailed case of study in the south of Europe, Gulf of Cadiz. Solar energy and unreacted gas recycle are selected for the production of 197 kt/yr of DME at a production cost of 1.4(sic)/kg and with an investment of 125M(sic). However, the production of DME over other chemicals such as methanol or methane is not a straightforward decision. Finally, up to date, biomass as a CO2 capture technology is more efficient and cost effective for the production of DME. (C) 2016 Elsevier Ltd. All rights reserved.
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