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 content of C_5 was strictly limited in butadiene extraction unit using dimethylformamide (DMF) process.
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。
The heat balance of butadiene extraction unit by acetonitrile is analyzed, and Suggestions for reducing energy consumption of butadiene extraction unit are pro - posed.
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。
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.
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