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1.发明专利
公开(公告)号：CA3148004A1
公开(公告)日：2021-02-11
申请号：CA3148004
申请日：2020-07-28
Applicant: BASF SE
Inventor： STAVROU MARINA-ELENI , BECHTEL MARCUS , MAZARRO BERDONCES ROSARIO , PIEPENBREIER FRANK , CHAN CHEE JIAN , KAIBEL BJOERN , KEMPTER ANDREAS
IPC: C07C303/44 , C07C309/04
Abstract: Process for separating anhydrous methanesulfonic acid from a reaction mixture comprising methanesulfonic acid and sulfuric acid by distillation with at least three functional steps and the use of said methanesulfonic acid.
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