公开(公告)号：WO2007088131A3

公开(公告)日：2007-10-04

申请号：PCT/EP2007050679

申请日：2007-01-24

Applicant: BASF AG ,  HUGO RANDOLF ,  DAHMEN KIRSTEN ,  HUBER SABINE

Inventor： HUGO RANDOLF ,  DAHMEN KIRSTEN ,  HUBER SABINE

IPC: C07C209/84 ,  C07C211/27

CPC classification number: C07C209/84 ,  Y10S203/20 ,  C07C211/27

Abstract: 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.

Abstract translation: 一种用于通过与侧使用的蒸馏塔在塔通过将粗间苯二甲胺连续蒸馏制备纯苯二甲胺（XDA）工艺绘制和XDA在侧馏分取出并进一步蒸发，蒸馏塔中的附加蒸发阶段的底部产物和该蒸发阶段中的冷凝液 蒸馏塔返回与侧馏分。

公开(公告)号：DE102005058417A1

公开(公告)日：2007-06-14

申请号：DE102005058417

申请日：2005-12-07

Applicant: BASF AG

Inventor： RANDOLF HUGO ,  DAHMEN KIRSTEN ,  HUBER SABINE

IPC: C07C209/48 ,  C07C211/51

Abstract: Preparation of xylylenediamine by continuously hydrogenating phthalodinitrile over a heterogeneous catalyst in a reactor, in which a portion of the reactor effluent is recycled as a liquid circulation stream continuously to the reactor inlet, comprises mixing phthalodinitrile by a mixing device with a stream of liquid ammonia (stream a) and a further stream that is removed at least as a sub-stream from the circulation stream around the hydrogenation reactor (stream b), or mixing of streams a and b, and conducting the resulting liquid mixture into the hydrogenation reactor. Preparation of xylylenediamine by continuously hydrogenating phthalodinitrile over a heterogeneous catalyst in the presence of liquid ammonia in a reactor, in which a portion of the reactor effluent is recycled as a liquid circulation stream continuously to the reactor inlet (circulation mode), comprises mixing phthalodinitrile, as melt or in solid form, by a mixing device with a stream of liquid ammonia (stream a) and a further stream that is drawn off at least as a sub-stream from the circulation stream around the hydrogenation reactor (stream b), or mixing of streams a and b, and conducting the resulting liquid mixture into the hydrogenation reactor.

公开(公告)号：DE102005033825A1

公开(公告)日：2007-02-08

申请号：DE102005033825

申请日：2005-07-20

Applicant: BASF AG

Inventor： HUBER SABINE ,  HUGO RANDOLF ,  DAHMEN KIRSTEN ,  PREISS THOMAS ,  HIBST HARTMUT

IPC: B01J23/16 ,  B01J35/02 ,  B01J37/02 ,  C07B43/08 ,  C07C253/28 ,  C07C255/49