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Title:
EXTRACTION OF NICKEL(0) COMPLEXES FROM NITRILE MIXTURES WITH REDUCED POWDER FORMATION
Document Type and Number:
WIPO Patent Application WO2006042675
Kind Code:
A3
Abstract:
The invention relates to a method for the extractive separation of homogeneously dissolved catalysts from a reaction product from a hydrocyanation of unsaturated mononitriles to dinitriles, by extraction with a carbon material (K), characterised in that a) a non-polar aprotic liquid (F) is added to the reaction product to give a stream (I) and b) the stream (I) is extracted with a carbon material (K) at a temperature (T), to give a stream (II), containing the carbon material (K), enriched with the catalyst and a stream (III), stripped of catalyst.

Inventors:
DECKERT PETRA (DE)
BASSLER PETER (DE)
BARTSCH MICHAEL (DE)
HADERLEIN GERD (DE)
LUYKEN HERMANN (DE)
SCHEIDEL JENS (DE)
PFAB PETER (DE)
AECHTNER TOBIAS (DE)
SIEGEL WOLFGANG (DE)
Application Number:
PCT/EP2005/010956
Publication Date:
July 13, 2006
Filing Date:
October 12, 2005
Export Citation:
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Assignee:
BASF AG (DE)
DECKERT PETRA (DE)
BASSLER PETER (DE)
BARTSCH MICHAEL (DE)
HADERLEIN GERD (DE)
LUYKEN HERMANN (DE)
SCHEIDEL JENS (DE)
PFAB PETER (DE)
AECHTNER TOBIAS (DE)
SIEGEL WOLFGANG (DE)
International Classes:
B01J38/56; B01D11/04; B01J31/18; B01J31/24; B01J31/40; C07C253/10
Domestic Patent References:
WO2005073174A12005-08-11
Foreign References:
DE2154501A11972-05-04
US3773809A1973-11-20
DE3235433A11983-03-31
DE10311122A12004-09-23
US4339395A1982-07-13
US20040140263A12004-07-22
EP0464691A11992-01-08
DE102004004683A12005-08-18
Other References:
BOHNET M ET AL (HRSG.): "Ullmann's Encyclopedia of Industrial Chemistry", 2002, WILEY-VCH, WEINHEIM, DE, XP002379061
GILL, DIP SINGH ET AL: "Copper quadrupole coupling constants in binary mixtures of acetonitrile with some other nitriles at 298 K", JOURNAL OF MOLECULAR LIQUIDS , 111(1-3), 85-93 CODEN: JMLIDT; ISSN: 0167-7322, 5 March 2004 (2004-03-05), XP002378986
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