期刊
JOURNAL OF CLEANER PRODUCTION
卷 186, 期 -, 页码 978-987出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.03.145
关键词
Chemical production planning; Methanol; CO2 emission constraint; GM(1,1); Minimum cost
资金
- China Scholarship Council
- National Natural Science Foundation of China [21736008, 51506165]
The overall top-layer design for chemical production, carbon emission and production cost is significant for the sustainable development of chemical industry. Industrial structure adjustment and low-carbon technology retrofit are generally served as the alternatives for policymakers and plants to simultaneously meet the energy demand and carbon emission limit. To further extend the practical application of Carbon Emission Pinch Analysis (CEPA) for low-carbon methanol production planning on the supply side, this paper presents four scenarios for the methanol industry in 2020 in China. A graphical method of Chemical Production Pinch Analysis (CPPA) combining with the first-order and single-variable grey model (GM(1,1)) is conducted to analyze the interaction between energy demand and carbon emission. A two-step tabular method is also proposed to search the optimal planning for achieving the minimum production cost and CO2 emission. The results show that the coal-to-methanol route would continually dominate the major share of methanol supply and CO2 emission in the overall methanol industry due to the energy structure of China. Options of developing biomass-methanol technology, shifting the production share from coal to low-carbon routes and retrofitting with CO2 capture and storage (CCS) in coal methanol plants could be considered to simultaneously achieve the targets of energy supply, carbon emission constraint and minimum production cost. (C) 2018 Elsevier Ltd. All rights reserved.
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