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51.
公开(公告)号:AU2008323197A1
公开(公告)日:2009-05-22
申请号:AU2008323197
申请日:2008-11-12
Applicant: BASF SE
Inventor: PFAB PETER , SCHNEIDER THOMAS , DECKERS ANDREAS , ACHHAMMER GUENTHER , BOEHLING RALF , LUYKEN HERMANN
Abstract: A process for preparing hydrogen cyanide by catalytically dehydrating gaseous formamide in a tubular reactor formed from at least one reaction channel in which the catalytic dehydration proceeds, said reaction channel having an inner surface which is formed from a material having an iron content of ≧50% by weight, and no additional catalysts and/or internals being present in the reaction channel, and the at least one reaction channel having a mean hydraulic diameter of from 0.5 to 6 mm, and a reactor with the features specified above and the use of the inventive reactor for preparing hydrogen cyanide by catalytically dehydrating gaseous formamide.
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公开(公告)号:AP200904795A0
公开(公告)日:2009-04-30
申请号:AP200904795
申请日:2007-08-28
Applicant: BASF SE
Inventor: DECKERS ANDREAS , SCHNEIDER THOMAS
IPC: C01C3/02
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公开(公告)号:CA2662722A1
公开(公告)日:2008-03-13
申请号:CA2662722
申请日:2007-08-28
Applicant: BASF SE
Inventor: DECKERS ANDREAS , SCHNEIDER THOMAS
IPC: C01C3/02
Abstract: The invention relates to a method for the production of prussic acid, com prising the catalytic dehydration of gaseous formamide to give a product mix ture, containing prussic acid, water, formamide, ammonia, CO and high-boiler s, separation of the product mixture by condensation of a condensate from th e product mixture which contains water, formamide, high-boilers and possibly ammonia and prussic acid, and the partial or complete recycling of the cond ensate to a heat exchanger downstream of the reactor.
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54.
公开(公告)号:CA2641462A1
公开(公告)日:2007-08-16
申请号:CA2641462
申请日:2007-01-22
Applicant: BASF SE
Inventor: DECKERS ANDREAS , SCHNEIDER THOMAS
Abstract: The present invention relates to solutions comprising water and at least one metal cyanide, at least a part of the water being obtained from wastewater which occurs as depleted wastewater in a process for extracting noble metals from noble metal-containing ores by the cyanide process, the process for the preparation of solutions according to the invention and to the use of the solutions according to the invention in a process for extracting noble metals from noble metal-containing ores by the cyanide process, to a process for extracting noble metals from noble metal-containing ores by the cyanide process, wherein the solution according to the invention is used, and to the use of depleted wastewater occurring in the extraction of noble metals from noble metal-containing ores by the cyanide process to the preparation of solutions comprising water and at least one metal cyanide.
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55.
公开(公告)号:AU2007213892A1
公开(公告)日:2007-08-16
申请号:AU2007213892
申请日:2007-01-22
Applicant: BASF SE
Inventor: SCHNEIDER THOMAS , DECKERS ANDREAS
Abstract: The present invention relates to solutions comprising water and at least one metal cyanide, at least a part of the water being obtained from wastewater which occurs as depleted wastewater in a process for extracting noble metals from noble metal-containing ores by the cyanide process, the process for the preparation of solutions according to the invention and to the use of the solutions according to the invention in a process for extracting noble metals from noble metal-containing ores by the cyanide process, to a process for extracting noble metals from noble metal-containing ores by the cyanide process, wherein the solution according to the invention is used, and to the use of depleted wastewater occurring in the extraction of noble metals from noble metal-containing ores by the cyanide process to the preparation of solutions comprising water and at least one metal cyanide.
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公开(公告)号:BRPI0909771A2
公开(公告)日:2015-10-06
申请号:BRPI0909771
申请日:2009-03-30
Applicant: BASF SE
Inventor: GRITSCH ACHIM , DECKERS ANDREAS , BOEHLING RALF , KOTREL STEFAN
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公开(公告)号:CA2790285C
公开(公告)日:2015-05-12
申请号:CA2790285
申请日:2011-02-15
Applicant: BASF SE
Inventor: BAUMANN ROBERT , BIEL MARKUS CHRISTIAN , DECKERS ANDREAS , OFTRING ALFRED , RITTIG FRANK , STAFFEL WOLFGANG
IPC: C07C51/295 , C07C51/235 , C07C59/305 , C07C227/02
Abstract: The invention relates to a method for producing ether carboxylates of formula Ill (see formula III) comprising reacting the compound of formula IV: (see formula IV) with a base by using a transition metal catalyst which is present as Raney metal, wherein the pressure in the reaction vessel is less than 10 bar.
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公开(公告)号:AU2011217344A1
公开(公告)日:2012-09-06
申请号:AU2011217344
申请日:2011-02-10
Applicant: BASF SE
Inventor: BAUMANN ROBERT , BIEL MARKUS CHRISTIAN , DECKERS ANDREAS , OFTRING ALFRED , RITTIG FRANK , STAFFEL WOLFGANG
IPC: C07C51/295 , C07C51/235 , C07C59/305 , C07C227/02
Abstract: The invention relates to a method for producing ether carboxylates.
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公开(公告)号:AU2011217307A1
公开(公告)日:2012-09-06
申请号:AU2011217307
申请日:2011-02-15
Applicant: BASF SE
Inventor: BAUMANN ROBERT , BIEL MARKUS CHRISTIAN , DECKERS ANDREAS , OFTRING ALFRED , RITTIG FRANK , STAFFEL WOLFGANG
IPC: C07C51/295 , C07C51/235 , C07C59/305 , C07C227/02
Abstract: The invention relates to a method for producing ether carboxylates.
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公开(公告)号:PL2262734T3
公开(公告)日:2012-03-30
申请号:PL09726490
申请日:2009-03-30
Applicant: BASF SE
Inventor: BOEHLING RALF , DECKERS ANDREAS , GRITSCH ACHIM , KOTREL STEFAN
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