公开(公告)号：US09975829B2

公开(公告)日：2018-05-22

申请号：US15030627

申请日：2014-10-13

Applicant: BASF SE

Inventor： Rolf Pinkos ,  Olga Osetska ,  Irene de Wispelaere ,  Stefan Dudenhoeffer ,  Christina Walczuch

IPC: B01D3/34 ,  C07C29/80 ,  C07C29/88 ,  B01D3/14 ,  C07C29/94

CPC classification number: C07C29/80 ,  B01D3/141 ,  B01D3/34 ,  C07C29/88 ,  C07C29/94 ,  C07C31/207

Abstract: Method for preparing 1,4-butanediol having an APHA color index of less than 30 by treating substance mixtures comprising 1,4-butanediol by distillation of the 1,4-butanediol in the presence of complex hydrides.

公开(公告)号：US20160244387A1

公开(公告)日：2016-08-25

申请号：US15030627

申请日：2014-10-13

Applicant: BASF SE

Inventor： Rolf Pinkos ,  Olga Osetska ,  Irene de Wispelaere ,  Stefan Dudenhoeffer ,  Christina Walczuch

IPC: C07C29/80 ,  B01D3/34 ,  B01D3/14 ,  C07C29/94

CPC classification number: C07C29/80 ,  B01D3/141 ,  B01D3/34 ,  C07C29/88 ,  C07C29/94 ,  C07C31/207

Abstract: Method for preparing 1,4-butanediol having an APHA color index of less than 30 by treating substance mixtures comprising 1,4-butanediol by distillation of the 1,4-butanediol in the presence of complex hydrides.

Abstract translation: 通过在复合氢化物存在下蒸馏1,4-丁二醇，通过处理包含1,4-丁二醇的物质混合物制备APHA颜色指数小于30的1,4-丁二醇的方法。