-
公开(公告)号：DE50104252D1
公开(公告)日：2004-11-25
申请号：DE50104252
申请日：2001-12-13
Applicant: BASF AG
Inventor： DIEHL VOLKER , MUELLER-ENGEL JOACHIM , NESTLER GERHARD
IPC: C07C51/43 , C07B63/00 , C07C51/235 , C07C51/25 , C07C51/42 , C07C57/05 , C07C57/055 , C07C57/07
Abstract: In a process for quenching a hot gas mixture comprising (meth)acrylic acid by direct cooling by means of a cooling liquid in a spray cooler, the cooling liquid is atomized in the spray cooler by means of an impingement atomizer.
-
公开(公告)号：DE10238145A1
公开(公告)日：2003-11-27
申请号：DE10238145
申请日：2002-08-15
Applicant: BASF AG
Inventor： DIEHL VOLKER , SUTORIS HEINZ FRIEDRICH , BECKMANN STEFAN
Abstract: A process for the working-up of mixtures containing (meth)acrylic acid and/or (meth)acrylic acid ester in a column for distillation, rectification and/or fractional condensation in the presence of a polymerization inhibitor and an oxygen containing gas comprises at least partial dosing in of the oxygen containing gas in the upper part of the column. An Independent claim is included for a separating device (I) comprising a column for distillation, rectification and/or fractional condensation having effective separating inserts, at least one condenser at the head of the column and at least 2 possible means for removing product streams, further comprising at least one having an external connection for dosing in of gas in the upper part of the column, that is star-shaped or ring-shaped or comprises a number of concentric rings that are regularly or irregularly arranged.
-
公开(公告)号：DE10063161A1
公开(公告)日：2002-06-20
申请号：DE10063161
申请日：2000-12-18
Applicant: BASF AG
Inventor： DIEHL VOLKER , MUELLER-ENGEL KLAUS JOACHIM , NESTLER GERHARD
IPC: C07C51/43 , C07B63/00 , C07C51/235 , C07C51/25 , C07C51/42 , C07C57/05 , C07C57/055 , C07C57/07
Abstract: The invention relates to a method for rapidly cooling a hot gas mixture containing (meth)acrylic acid, by means of a direct cooling process using a cooling liquid in a spray cooler, the atomisation of the cooling liquid in the spray cooler being carried out by an impact atomiser.
-
公开(公告)号：DE10115277A1
公开(公告)日：2002-06-13
申请号：DE10115277
申请日：2001-03-28
Applicant: BASF AG
Inventor： MACHHAMMER OTTO , ADAMI CHRISTOPH , HECHLER CLAUS , SCHROEDER JUERGEN , SCHLIEPHAKE VOLKER , THIEL JOACHIM , DIEHL VOLKER
Abstract: The continuous recovery of (meth)acrylic acid (I) from a reaction gas (II), obtained by catalytic gas phase oxidation, includes quenching (II) by vapor cooling with a high-boiling solvent (III), separating (I) by absorption in (III), and separating the (I)-containing (III) by rectification into a first partial stream (PS1) containing mainly (I) and a second partial stream (PS2) containing mainly (III). The continuous recovery of (meth)acrylic acid (I) from a reaction gas (II), obtained by catalytic gas phase oxidation, comprises: (i) quenching (II) by vapor cooling with a high-boiling solvent (III), (ii) separating (I) by absorption in (III), (iii) separating the (I)-containing (III) into a first partial stream (PS1) containing mainly (I) and a second partial stream (PS2) containing mainly (III), (iv) recycling PS2 to step (ii) and (v) recovering (I) from PS1 by distillation and recycling liquid residual streams to step (i), Step (iii) is carried out by rectification.
-
公开(公告)号：AT346836T
公开(公告)日：2006-12-15
申请号：AT04726984
申请日：2004-04-13
Applicant: BASF AG
Inventor： DIEHL VOLKER , JAEGER ULRICH , HAMMON ULRICH , SCHROEDER JUERGEN , RISSEL STEFFEN
Abstract: A separating column containing a sequence of mass transfer trays that are supported by at least one covered double-T support and/or covered U-shaped support.
-
Patent Agency Ranking
公开(公告)号：BRPI0409340A
公开(公告)日：2006-04-25
申请号：BRPI0409340
申请日：2004-04-13
Applicant: BASF AG
Inventor： DIEHL VOLKER , JOGER ULRICH , HAMMON ULRICH , SCHROEDER JUERGEN , RISSEL STEFFEN
Abstract: A separating column containing a sequence of mass transfer trays that are supported by at least one covered double-T support and/or covered U-shaped support.
-
公开(公告)号：BR0116174A
公开(公告)日：2003-11-11
申请号：BR0116174
申请日：2001-12-13
Applicant: BASF AG
Inventor： DIEHL VOLKER , MUELLER-ENGEL KLAUS JOACHIM , NESTLER GERHARD
IPC: C07C51/43 , C07B63/00 , C07C51/235 , C07C51/25 , C07C51/42 , C07C57/05 , C07C57/055 , C07C57/07
Abstract: In a process for quenching a hot gas mixture comprising (meth)acrylic acid by direct cooling by means of a cooling liquid in a spray cooler, the cooling liquid is atomized in the spray cooler by means of an impingement atomizer.
-
公开(公告)号：BRPI0409340B1
公开(公告)日：2014-12-30
申请号：BRPI0409340
申请日：2004-04-13
Applicant: BASF AG
Inventor： DIEHL VOLKER , JAEGER ULRICH , HAMMON ULRICH , SCHROEDER JUERGEN , RISSEL STEFFEN
Abstract: A separating column containing a sequence of mass transfer trays that are supported by at least one covered double-T support and/or covered U-shaped support.
-
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
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：CA2535357A1
公开(公告)日：2005-03-03
申请号：CA2535357
申请日：2004-08-17
Applicant: BASF AG
Inventor： DIEHL VOLKER , DUDA MARK , RISSEL STEFFEN , EGER KNUT , BERNDT SILKE , NSUNDA VERON , HOELZLE MARKUS
Abstract: The invention relates to a method for filling a vertical tube having an inne r diameter of 50 mm or less with catalyst particles. According to said method, a filling aid comprising a flexible longitudinal body is introduced into the vertical tube, the ratio of the cross-section of the flexible longitudinal body to the cross-section of the tube being between 0.003 and 0.08, and the tube is filled with the catalyst particles.
-
-
-
-
-
-
-
-
-
Search Results
29
records
(took 0.019 seconds)
