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公开(公告)号：ZA201203155B
公开(公告)日：2013-07-31
申请号：ZA201203155
申请日：2012-05-02
Applicant: BASF SE
Inventor： JUDAT BERND , OFTRING ALFRED , STAMM ARMIN , TEICH FRIESHELM
IPC: C07C20060101
Abstract: Isolating methyl glycine nitrile-N,N-diacetonitrile (MGDN) from an MGDN containing aqueous mixture, comprises at least one step of cooling the mixture with a cooling rate of at least 20 K/hour from the temperature above the freezing point of MGDN to a temperature below the freezing point of MGDN, where the method is carried out continuously.
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