公开(公告)号：EP3180578A4

公开(公告)日：2018-04-25

申请号：EP14899896

申请日：2014-08-14

申请人： COVESTRO DEUTSCHLAND AG

发明人： SOPPE ALFRED ,  SUN JIYUAN ,  LEIDIG THORSTEN ,  RUNOWSKI THOMAS ,  HEITKAMP DIETER

IPC分类号： F28F9/00 ,  B01D1/04 ,  F25B39/02 ,  F28D7/06 ,  F28D21/00 ,  F28F9/22

CPC分类号： F28D7/1623 ,  B01D1/04 ,  F25B39/02 ,  F25B2339/02 ,  F28D7/0066 ,  F28D7/06 ,  F28D21/0017 ,  F28D2021/0064 ,  F28F9/00 ,  F28F9/22 ,  F28F2265/00

摘要： The present invention relates to an apparatus and a method for evaporating liquids containing potentially explosive impurities of lower volatility than the actual liquid compound. The set-up of the evaporator according to the invention allows its operation with complete evaporation of a liquid without formation of a liquid sump of not yet evaporated liquid.

公开(公告)号：EP2999662A4

公开(公告)日：2016-12-07

申请号：EP13885121

申请日：2013-05-22

申请人： COVESTRO DEUTSCHLAND AG

发明人： SOPPE ALFRED ,  BITTNER JÜRGEN ,  LEIDIG THORSTEN ,  STEFFENS FRIEDHELM ,  WERNER KNUD ,  RUNOWSKI THOMAS

IPC分类号： C01B7/07 ,  C01B7/075

CPC分类号： C01B7/0743 ,  C01B7/075

摘要： The present invention relates to a process for purifying raw-material gases by fractionation. In particular, the present invention relates to a process for cleansing chlorine gas of bromine.