Toxicity of DMF, which is a solvent in the butadiene extraction process, was introduced. Its principal preventive measures were described also.
分绍了丁二烯抽提工艺溶剂dmf的毒性及其主要预防措施。
High purity 1 - butylene is made from the following production process: butadiene extraction and then butadiene and iso - butylene removal in MTBE unit.
丁烯- 1生产工艺通过丁二烯抽提和MTBE装置脱除丁二烯和异丁烯来生产高纯度丁烯- 1。
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。
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