公开(公告)号：AT282580T

公开(公告)日：2004-12-15

申请号：AT02767163

申请日：2002-07-02

Applicant: BASF AG

Inventor： WOSTBROCK KARL-HEINZ ,  THIEL JOACHIM ,  KRUEGER HEINZ ,  STROEFER ECKHARD ,  WEBER MARKUS ,  GERBER BERND ,  RUMPF BERND ,  SACHWEH BERND ,  KERTH STEFFEN

IPC: B01D3/14 ,  B01D3/16 ,  B01J19/30 ,  B01J19/32 ,  C01B21/14

Abstract: The invention relates to a method for producing a highly pure, aqueous hydroxylamine solution by distilling an aqueous solution, devoid of salt, of a hydroxyl ammonium salt in a plate column comprising at least two mechanical plates. Said method is characterised in that packing bodies are arranged between at least two plates of the plate column over the cross-section of said column.

公开(公告)号：DE10234908A1

公开(公告)日：2004-02-19

申请号：DE10234908

申请日：2002-07-31

Applicant: BASF AG

Inventor： WEBER MARKUS ,  WALSDORFF CHRISTIAN ,  FIENE MARTIN ,  MEISNER RUPRECHT ,  HARTH KLAUS

IPC: C01B7/04 ,  C01B7/07 ,  C01B7/01

Abstract: Production of chlorine from a feed gas containing hydrogen chloride (HCl) and hydrocarbons and/or chlorohydrocarbons comprises removing at least part of the (chloro)hydrocarbons from the feed gas and oxidizing the HCl to chlorine in the presence of a catalyst Production of chlorine from a feed gas containing hydrogen chloride (HCl) and hydrocarbons and/or chlorohydrocarbons comprises: (a) removing at least part of the (chloro)hydrocarbons from the feed gas; (b) feeding the gas into an oxidation zone and oxidizing the HCl to chlorine in the presence of a catalyst; (c) separating HCl and water from the product gas; (d) optionally recycling the HCl to the oxidation zone; (e) drying the product gas; (f) separating an oxygen-containing gas from the product gas and optionally recycling the oxygen-containing gas to the oxidation zone; and (g) optionally purifying the product stream.

公开(公告)号：DE10131787A1

公开(公告)日：2003-01-16

申请号：DE10131787

申请日：2001-07-04

Applicant: BASF AG

Inventor： WOSTBROCK KARL-HEINZ ,  THIEL JOACHIM ,  GERBER BERND ,  KRUEGER HEINZ ,  STROEFER ECKHARD ,  KERTH STEFFEN ,  SACHWEH BERND ,  RUMPF BERND ,  WEBER MARKUS

IPC: B01D3/16 ,  B01J19/30 ,  B01J19/32 ,  C01B21/14

Abstract: The invention relates to a method for the production of a salt-free aqueous hydroxylamine solution by distilling an aqueous solution of an hydroxylammonium salt and a base in a plate column having at least two mechanical plates. The invention is characterized in that packings or structured packings are placed above at least one of the plates of the plate column along the cross section of said column.

公开(公告)号：DE10008080A1

公开(公告)日：2001-08-23

申请号：DE10008080

申请日：2000-02-22

Applicant: BASF AG

Inventor： WEBER MARKUS ,  STERZEL HANS-JOSEF ,  STROEFER ECKHARD ,  WATZENBERGER OTTO

IPC: C01B21/14 ,  C07C217/20 ,  C07C235/60 ,  C07C235/50 ,  C07B63/04

Abstract: N,N,N-Tri((het)aryl-(hetero)alk(en)yl, (het)aryl-(hetero)alkynyl and (het)aryl-(hetero)cycloalk(en)yl)-amines (I), with a total of not less than 6 alkoxy and hydroxy substituents, and their salts are new. N,N,N-Tri((het)aryl-(hetero)alk(en)yl, (het)aryl-(hetero)alkynyl and (het)aryl-(hetero)cycloalk(en)yl)-amines of formula (I), with a total of not less than 6 alkoxy and hydroxy substituents, and their salts are new: N(A 1>R 1>)(A 2>R 2>)(A 3>R 3>) (I) A 1>, A 2>, A 3>alkylene, alkenylene, alkynylene, cycloalkylene or cycolalkenylene groups, which may have 1, 2 or 3 substituents selected from alkoxy, hydroxy and keto and/or carbon (C) atom(s) replaced by heteroatom(s) selected from nitrogen (N), oxygen (O) and sulfur (S); R 1>, R 2>, R 3>aryl or 5- or 6-membered unsaturated heterocyclyl with 1, 2 or 3 N, O or S heteroatoms. A 1>, A 2>, A 3>, R 1>, R 2> and R 3> groups contain a total of not less than 6 alkoxy and hydroxy substituents. An independent claim is also included for stabilized hydroxylamine solutions containing compound(s) (I) as stabilizer.

公开(公告)号：CA2451869C

公开(公告)日：2009-11-24

申请号：CA2451869

申请日：2002-07-02

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  KRUEGER HEINZ ,  WOSTBROCK KARL-HEINZ ,  THIEL JOACHIM ,  WEBER MARKUS ,  SACHWEH BERND ,  KERTH STEFFEN ,  GERBER BERND ,  RUMPF BERND

IPC: B01D3/14 ,  C01B21/14 ,  B01D3/16 ,  B01J19/30 ,  B01J19/32

Abstract: The invention relates to a method for producing a highly pure, aqueous hydroxylamine solution by distilling an aqueous solution, devoid of salt, of a hydroxyl ammonium salt in a plate column comprising at least two mechanical plates. Said method is characterised in that packing bodies are arranged between at least two plates of the plate column over the cross-section of sa id column.

公开(公告)号：ES2268058T3

公开(公告)日：2007-03-16

申请号：ES02745423

申请日：2002-07-02

Applicant: BASF AG

Inventor： WOSTBROCK KARL-HEINZ ,  THIEL JOACHIM ,  KRUGER HEINZ ,  STROFER ECKHARD ,  WEBER MARKUS ,  GERBER BERND

IPC: C01B21/14 ,  B01D3/16 ,  B01J19/30 ,  B01J19/32

Abstract: Procedimiento para la elaboración de una disolución acuosa de hidroxilamina libre de sales por destilación de una disolución acuosa de una sal de hidroxilamonio y una base en una columna de platos con por lo menos un plato mecánico, caracterizado porque el cuerpo de relleno o empaquetamiento estructurado se encuentra por encima de por lo menos un plato de la columna de platos a lo largo de la sección transversal de la columna.

公开(公告)号：DK1406832T3

公开(公告)日：2006-12-11

申请号：DK02745423

申请日：2002-07-02

Applicant: BASF AG

Inventor： WOSTBROCK KARL-HEINZ ,  THIEL JOACHIM ,  KRUEGER HEINZ ,  STROEFER ECKHARD ,  WEBER MARKUS ,  GERBER BERND ,  RUMPF BERND ,  SACHWEH BERND ,  KERTH STEFFEN

IPC: C01B21/14 ,  B01D3/16 ,  B01J19/30 ,  B01J19/32

Abstract: A process for preparing a salt-free aqueous hydroxylamine solution by distilling an aqueous solution of a hydroxylammonium salt and a base in a tray column having at least two mechanical trays, wherein random or structured packings are located above at least one tray of the tray column over the cross section of the column.

公开(公告)号：AT335709T

公开(公告)日：2006-09-15

申请号：AT02745423

申请日：2002-07-02

Applicant: BASF AG

Inventor： WOSTBROCK KARL-HEINZ ,  THIEL JOACHIM ,  KRUEGER HEINZ ,  STROEFER ECKHARD ,  WEBER MARKUS ,  GERBER BERND ,  RUMPF BERND ,  SACHWEH BERND ,  KERTH STEFFEN

IPC: B01D3/16 ,  B01J19/30 ,  B01J19/32 ,  C01B21/14

Abstract: A process for preparing a salt-free aqueous hydroxylamine solution by distilling an aqueous solution of a hydroxylammonium salt and a base in a tray column having at least two mechanical trays, wherein random or structured packings are located above at least one tray of the tray column over the cross section of the column.

公开(公告)号：DE102004060321A1

公开(公告)日：2006-06-22

申请号：DE102004060321

申请日：2004-12-15

Applicant: BASF AG

Inventor： MUELLER CHRISTIAN ,  WEBER MARKUS ,  STROEFER ECKHARD

IPC: C07C319/00 ,  B01D53/52 ,  C07C319/04 ,  C07C321/00 ,  C07C321/04 ,  C07C321/14

Abstract: Preparing sulfur-containing compounds comprises reacting a mixed gas stream comprising hydrogen sulfide, optionally with oxygen, with linear or branched 1-30C olefins and carrying out the reaction in the presence of water and carbon dioxide at a pressure of 2-325 bar. Preparing sulfur-containing compounds of formula R 1>-Q-R 2> comprises reacting a mixed gas stream comprising hydrogen sulfide, optionally with oxygen, with linear or branched 1-30C olefins and carrying out the reaction in the presence of water and carbon dioxide at a pressure of 2-325 bar. Q : -S- or -S-S-; R 1>, R 2>H or optionally saturated, linear or branched 1-30C alkyl. R 1> and R 2> are not simultaneously H.

公开(公告)号：AU2004308652A1

公开(公告)日：2005-07-14

申请号：AU2004308652

申请日：2004-12-23

Applicant: BASF AG

Inventor： JOHANN THORSTEN ,  HARTH KLAUS ,  OLBERT GERHARD ,  WEBER MARKUS ,  FIENE MARTIN ,  STROFER ECKHARD ,  SIEGERT MARKUS ,  LANG NEVEN

IPC: B01J8/02 ,  B01J8/04 ,  B01J19/24 ,  C07C45/38 ,  F28D9/00

Abstract: A process for preparing formaldehyde by gas-phase oxidation of methanol vapor by means of a gas stream comprising molecular oxygen in the presence of a fixed-bed catalyst comprising iron and molybdenum, wherein the process is carried out in a reactor ( 1 ) having heat-exchange plates ( 2 ) which are arranged in the longitudinal direction of the reactor ( 1 ) and have a spacing between them and through which a heat transfer medium flows, inlet and outlet facilities ( 3, 4 ) for the heat transfer medium to the heat-exchange plates ( 2 ) and also gaps ( 5 ) between heat-exchange plates ( 2 ) in which the fixed-bed catalyst is present and into which the methanol vapor and the gas stream comprising molecular oxygen are passed, is described.