2.
    发明专利
    未知

    公开(公告)号:BRPI0707653A2

    公开(公告)日:2011-05-10

    申请号:BRPI0707653

    申请日:2007-02-08

    Applicant: BASF SE

    Abstract: Processes comprising: providing a mixture comprising monoethylene glycol and diethylenetriamine; and subjecting the mixture to extractive distillation with a diethylenetriamine-selective solvent comprising triethylene glycol to provide a first stream comprising monoethylene glycol and a second stream comprising diethylenetriamine; wherein the first stream is substantially free of diethylenetriamine, and wherein the second stream is substantially free of monoethylene glycol.

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