Design and economic analysis of industrial-scale methanol-to-olefins plants

doi:10.1016/j.jtice.2021.05.040

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/122197

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題名:	Design and economic analysis of industrial-scale methanol-to-olefins plants
作者:	Chen, Yih-hang;Hsieh, Wen;Chang, Hsuan;Ho, Chii-dong
關鍵詞:	Methanol;Olefins;Distillation;Refrigeration;Cold-box
日期:	2022-01-15
上傳時間:	2022-02-23 12:11:51 (UTC+8)
摘要:	The production of ethylene and propylene, which are the building blocks of the petrochemical industry, from methanol is attractive because of the possibility of green methanol generation or the availability of inexpensive natural gas for methanol production. Based on the reactor performance of UOP/Hydro MTO (Methanol-to-olefins) technology, a base design and an alternative design of the overall process for an industrial-scale MTO plant are presented. The design scope includes the reaction and conditioning section, product separation and recovery section, ethylene and propylene refrigeration cycles, and cold-box. The alternative design differs from the base design by the use of a cold-box. The design employs driving force analysis, column targeting analysis, and pinch design method for distillation train determination, column improvement, and energy integration. Based on the current prices of methanol and olefins, both designs are profitable with IRR higher than 26%. The alternative design is superior to the base design in ethylene loss, energy consumption, exergy loss, and economic profit.
關聯:	Journal of The Taiwan Institute of Chemical Engineers 130, 103893
DOI:	10.1016/j.jtice.2021.05.040
顯示於類別:	[化學工程與材料工程學系暨研究所] 期刊論文

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