The content of C_5 was strictly limited in butadiene extraction unit using dimethylformamide (DMF) process.
二甲基甲酰胺法丁二烯抽提装置对裂解原料中C_5含量有严格要求。
The heat balance of butadiene extraction unit by acetonitrile is analyzed, and Suggestions for reducing energy consumption of butadiene extraction unit are pro - posed.
通过对乙腈法丁二烯抽提装置热平衡分析，提出了节能降耗的合理化建议。
Abstract: butadiene extraction unit in the presence of a large amount of solvent and butadiene, acetylene and other C4 hydrocarbons, these substances are toxic, flammable and explosive.
摘要：丁二烯抽提装置中由于存在大量的溶剂和丁二烯、炔烃等C4烃类，这些物质都是有毒、易燃、易爆的。
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