发明名称 METHOD FOR PRODUCING PURE XYLYLENEDIAMINE (XDA)
摘要 The invention relates to a method for producing pure xylylenediamine (XDA) by continuous distillation of crude xylylenediamine (XDA) in a column, by using a side stream distillation column, the XDA being drawn off through the lateral discharge and the bottom product of the distillation column being further concentrated in an additional concentration step. The condensate obtained in the concentration step is returned to the side draw distillation column.
申请公布号 WO2007088131(A3) 申请公布日期 2007.10.04
申请号 WO2007EP50679 申请日期 2007.01.24
申请人 BASF AKTIENGESELLSCHAFT;HUGO, RANDOLF;DAHMEN, KIRSTEN;HUBER, SABINE 发明人 HUGO, RANDOLF;DAHMEN, KIRSTEN;HUBER, SABINE
分类号 C07C209/84;C07C211/27 主分类号 C07C209/84
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