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CERTIFICATE FOR THE RECOVERY OF ETYLENOXIDE CONTAINING LAW LEVELS OF ALDEHYDE ORGANISATIONS
CERTIFICATE FOR THE RECOVERY OF ETYLENOXIDE CONTAINING LAW LEVELS OF ALDEHYDE ORGANISATIONS
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机译:回收含醛类组织法律含量的环氧乙烷的证明
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摘要
A process for the recovery of ethylene oxide containing low levels of aldehydic impurities from an impure aqueous ethylene oxide solution containing the same is provided in which the impure solution is treated in a novel multi-stage, countercurrent distillation zone for improved separation of said aldehydic impurities and recovery of an ethylene oxide-containing product stream having the desired low concentration of aldehydic impurities.
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