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公开(公告)号:US4076594A
公开(公告)日:1978-02-28
申请号:US729858
申请日:1976-10-04
摘要: Formic acid is purified by extractive distillation of its aqueous solutions using a basic extractant, followed by distillation of the bottom mixture first obtained, the extractant used being N-formylmorpholine.
摘要翻译: 甲酸通过使用碱性萃取剂萃取蒸馏其水溶液进行纯化,然后蒸馏首先获得的底部混合物,所用萃取剂为N-甲酰基吗啉。