公开(公告)号：DE50014201D1

公开(公告)日：2007-05-10

申请号：DE50014201

申请日：2000-07-26

Applicant: BASF AG

Inventor： AUER HEINZ ,  DAHLHAUS JUERGEN ,  FISCHER KARL ,  HAMMER HANS ,  KELLENBENZ JOCHEN ,  SCHULZ MICHAEL ,  THIEL JOACHIM ,  VICARI MAXIMILIAN

IPC: B01D3/00 ,  C07C67/36 ,  B01J3/00 ,  B01J3/02 ,  B01J19/00 ,  C07B61/00 ,  C07C29/80 ,  C07C31/04 ,  C07C69/06

Abstract: A description is given of a process for preparing methyl formate by reacting excess methanol with carbon monoxide under superatmospheric pressure and at elevated temperature in the presence of alkali metal methoxide or alkaline earth metal methoxide as catalyst in a pressure-rated reactor, in which the use of at least two reactor elements, preferably operated in countercurrent, at about 100° C. and a pressure of about 100 bar in combination with a solids-free desalting of the reaction product makes possible very economical, largely trouble-free production of methyl formate in any desired quality and with a very good production capacity. Furthermore, the process for solids-free desalting and apparatuses for carrying out this process are described.

公开(公告)号：DE50207808D1

公开(公告)日：2006-09-21

申请号：DE50207808

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：AT324948T

公开(公告)日：2006-06-15

申请号：AT03790831

申请日：2003-07-30

Applicant: BASF AG

Inventor： DIEHL VOLKER ,  JAEGER ULRICH ,  SCHROEDER JUERGEN ,  THIEL JOACHIM

IPC: B08B3/08 ,  B08B9/02 ,  C07C57/04

Abstract: A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.

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：ES2219322T3

公开(公告)日：2004-12-01

申请号：ES00912517

申请日：2000-02-28

Applicant: BASF AG

Inventor： THIEL JOACHIM ,  SCHRODER JURGEN ,  NESTLER GERHARD

IPC: B01D5/00 ,  B01D3/14 ,  B01D3/16 ,  B01D3/20 ,  B01D3/22 ,  B01D3/26 ,  B01D3/32 ,  C07C51/43 ,  C07C51/44 ,  C07C51/487 ,  C07C51/50 ,  C07C57/05 ,  C07C57/055 ,  C07C57/07 ,  C07C57/075

Abstract: Procedimiento de condensación fraccionada de una mezcla gaseosa de productos, que contiene ácido acrílico, que proviene de una oxidación parcial en fase gaseosa, catalizada de manera heterogénea, de precursores con 3 átomos de carbono del ácido acrílico con oxígeno molecular, en una columna de separación que contiene platos de corriente transversal, que se han hecho estancos hidráulicamente, como estructuras internas eficaces en cuanto a la separación, caracterizado porque se utiliza como columna de separación una columna tal que contiene, de abajo hacia arriba, primero platos dual-flow y a continuación de lo anterior platos de corriente transversal, que se han hecho estancos hidráulicamente, como estructuras internas eficaces en cuanto a la separación.

公开(公告)号：AU2003294955A1

公开(公告)日：2004-08-10

申请号：AU2003294955

申请日：2003-12-24

Applicant: BASF AG

Inventor： DAMS ALBRECHT ,  THIEL JOACHIM ,  VANDENMERSCH HUGUES ,  SCHRODER JURGEN

IPC: C07C45/78 ,  C07C45/81 ,  C07C45/82 ,  C07C51/44 ,  C07C67/54 ,  C07C57/04 ,  C07C47/22 ,  C07C69/54

Abstract: In a thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column containing sieve trays as separating internals, at least some of the sieve trays are operated above an entrainment fraction of 10% by weight.

公开(公告)号：DE10300816A1

公开(公告)日：2004-07-22

申请号：DE10300816

申请日：2003-01-10

Applicant: BASF AG

Inventor： THIEL JOACHIM ,  VANDENMERSCH HUGUES ,  SCHROEDER JUERGEN ,  DAMS ALBRECHT

IPC: C07C45/78 ,  C07C45/81 ,  C07C45/82 ,  C07C51/44 ,  C07C67/54 ,  B01D3/14 ,  C07B63/00 ,  C07C57/075

Abstract: In a thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column containing sieve trays as separating internals, at least some of the sieve trays are operated above an entrainment fraction of 10% by weight.

公开(公告)号：DE50006250D1

公开(公告)日：2004-06-03

申请号：DE50006250

申请日：2000-02-28

Applicant: BASF AG

Inventor： THIEL JOACHIM ,  SCHROEDER JUERGEN ,  NESTLER GERHARD

IPC: B01D5/00 ,  B01D3/14 ,  B01D3/16 ,  B01D3/20 ,  B01D3/22 ,  B01D3/26 ,  B01D3/32 ,  C07C51/43 ,  C07C51/44 ,  C07C51/487 ,  C07C51/50 ,  C07C57/05 ,  C07C57/055 ,  C07C57/07 ,  C07C57/075

Abstract: In a process for the fractional condensation of an acrylic acid-containing product gas mixture of a gas-phase partial oxidation of C3 precursors of acrylic acid with molecular oxygen under heterogeneous catalysis, the separation column used contains both dual-flow trays and hydraulically sealed cross-flow trays as baffles having separation activity.

公开(公告)号：DE10332758A1

公开(公告)日：2004-05-27

申请号：DE10332758

申请日：2003-07-17

Applicant: BASF AG

Inventor： ECK BERND ,  HAMMON ULRICH ,  MUELLER-ENGEL KLAUS JOACHIM ,  SCHROEDER JUERGEN ,  THIEL JOACHIM ,  MARTAN HANS

IPC: B01D3/14 ,  B01D3/32 ,  C07C51/215 ,  C07C51/25 ,  C07C51/43 ,  C07C51/44 ,  C07C57/07 ,  C07C57/05

Abstract: A thermal separation process for the separation of at least one (meth)acrylic monomer enriched material stream from a (meth)acrylic monomer containing mixture comprises use of a device having separate volume elements in which the liquid temperature does not differ by more than 2 degreesC and the total residence time is no greater than 20 hours. A thermal separation process for the separation of at least one (meth)acrylic monomer enriched material stream from a (meth)acrylic monomer containing mixture, comprising the continuous stationary operation of at least one thermal separation device comprising at least one separating chamber optionally containing inserts to which at least one (meth)acrylic monomer containing stream is removed whereby the material stream that is fed to the separator chamber contains x wt.% of components that are different to (meth)acrylic monomers; the material stream having the highest content by weight of (meth)acrylic monomers that is removed from the separator chamber contains y wt.% of components that are different to (meth)acrylic monomers whereby the ratio x:y is at least 5; the separator chamber, excluding inlets and outlets is bordered by a solid phase, comprises at least one recirculating heat exchanger and has a liquid phase filled total volume of at least 1 m3 whereby the temperature of the liquid phase is at least 80 degreesC; and is characterized by subdivision of the separating cavity into n individual volume elements whereby the highest and lowest temperature in the liquid phase within the separate volume elements does not differ by more than 2 degreesC; the total residence time is as defined by equation (1) and is no greater than 20 hours. tges = integral(i=1 to n) msi/mi x 2A (1) To = 100 degreesC; Ti = the arithmetic mean value of the highest and lowest temperature in i volume elements; msi = the total mass of (meth)acrylic monomers in i volume elements containing liquid phase; mi = the total liquid phase mass flow from i volume element. The total amount of liquid phase contained within dead-volume elements is not greater than 5 wt.% of the total liquid phase within the separator chamber.

公开(公告)号：AU2003260338A1

公开(公告)日：2004-03-19

申请号：AU2003260338

申请日：2003-07-30

Applicant: BASF AG

Inventor： DIEHL VOLKER ,  JAGER ULRICH ,  SCHRODER JURGEN ,  THIEL JOACHIM

IPC: B08B3/08 ,  B08B9/02 ,  C07C57/04

Abstract: A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.