公开(公告)号：PL200036B1

公开(公告)日：2008-11-28

申请号：PL36183501

申请日：2001-10-24

Applicant: DEGUSSA

Inventor： NORDHOFF STEFAN ,  CREUTZ MATTHIAS ,  GROSS STEFAN ,  WAGNER RUDOLF

IPC: B01D9/02 ,  C01B15/013

公开(公告)号：AU2002221739B2

公开(公告)日：2006-07-06

申请号：AU2002221739

申请日：2001-10-24

Applicant: EVONIK DEGUSSA GMBH

Inventor： GROSS STEFAN ,  NORDHOFF STEFAN ,  CREUTZ MATTHIAS ,  WAGNER RUDOLF

IPC: B01D9/02 ,  C01B15/013

Abstract: A process for the continuous preparation of very highly concentrated hydrogen peroxide having a content of greater than 80 wt.%, especially over 98 wt.%, by suspension crystallization and after-treatment of the H2O2 crystals. The after-treatment takes the form of countercurrent washing in a hydraulic or mechanical washing column with a packed crystal bed. Hydrogen peroxide is disclosed having a concentration of from 99.9 to 100 wt.% and a content of TOC, nitrate, phosphate, nickel and tin of in each case less than 4 mg/l.

公开(公告)号：BR0314876A

公开(公告)日：2005-08-02

申请号：BR0314876

申请日：2003-10-14

Applicant: UHDE GMBH ,  DEGUSSA

Inventor： KLEMM ELIAS ,  ALBRECHT JOHANNES ,  OLIVEIRA ARMIN LANGE DE ,  MARKOWZ GEORG ,  GROSS STEFAN ,  SCHUETTE RUEDIGER ,  EHRLICH JOHANNES ,  MORSTEIN OLAF VON ,  SCHIRRMEISTER STEFFEN

IPC: B01B1/00 ,  B01D1/22 ,  B01J19/00 ,  C01B15/01 ,  F28D3/00 ,  F28F3/04 ,  F28F3/08

Abstract: A modular construction micro-reactor with parallel microchannels on fluid guide plates for chemical reactions, but not for evaporation purposes is known. A modular construction falling film evaporator is disclosed, comprising a stack of alternate gap-like evaporation chambers and sheet-like evaporator modules with an assembly of parallel microchannels, whereby the evaporation chambers are open above and/or below across the whole width of the module and the stack is arranged in a container. The falling film evaporator is used in a method for obtaining a gaseous phase from a liquid medium on a technical scale and is suitable for the concentration of thermolabile solutions and rapidly adjustable production of a gas stream.

公开(公告)号：NO20032469L

公开(公告)日：2003-07-30

申请号：NO20032469

申请日：2003-05-30

Applicant: DEGUSSA

Inventor： NORDHOFF STEFAN ,  CREUTZ MATTHIAS ,  GROSS STEFAN ,  WAGNER RUDOLF

IPC: B01D9/02 ,  C01B15/013 ,  C01B

Abstract: A process for the continuous preparation of very highly concentrated hydrogen peroxide having a content of greater than 80 wt.%, especially over 98 wt.%, by suspension crystallization and after-treatment of the H2O2 crystals. The after-treatment takes the form of countercurrent washing in a hydraulic or mechanical washing column with a packed crystal bed. Hydrogen peroxide is disclosed having a concentration of from 99.9 to 100 wt.% and a content of TOC, nitrate, phosphate, nickel and tin of in each case less than 4 mg/l.