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公开(公告)号：CO4990982A1
公开(公告)日：2000-12-26
申请号：CO97028494
申请日：1997-05-23
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , KELLER PETER , KAISER RUDOLF , HEIDER WOLFGANG , EIDEN ULRICH
Abstract: Una columna de contracorriente para disminuir elnivel de volátiles residuales en las dispersiones, que comprende entre 5 a 50 placas de doble flujo y/o placas de cedazo de flujo cruzado, en donde el área abierta específica en las placas de doble flujo está entre 2 a 25% y en las placas de cedazo de flujo cruzado entre 1 a 10%, el diámetro de perforación media en las placas de doble flujo es de 10 a 50 mm, y el diámetro de perforación media en las placas de cedazo de flujo cruzado está entre 2 a 10 mm.
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公开(公告)号：AU773585B2
公开(公告)日：2004-05-27
申请号：AU6338299
申请日：1999-10-12
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , STAUFER GUNTER , KELLER PETER
Abstract: Countercurrent stripping pipe for removing volatile organic constituents from reaction products, having a column pipe ( 201 ) composed of a plurality of pipe sections ( 201 a-d), in which trays ( 202 ) are arranged, connections ( 205, 208 ) for supplying and removing the reaction products and connections ( 206, 207 ) for supplying and removing at least one stripping agent in countercurrent to the reaction products. In accordance with the invention, a plurality of successive trays ( 202 ) in each case are joined to one another and form at least two inserts ( 211 a-c) which can be removed from the column pipe ( 201 ).
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公开(公告)号：AU8079998A
公开(公告)日：1999-02-25
申请号：AU8079998
申请日：1998-08-18
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , WUNDER RAINER , BAUER GERHARD , DOBBELAAR JOHANNES , LAWRENZ SVEN , MUESELER FRANZ-JOSEF , NAHSTOLL JURGEN , RUPANER ROBERT , SCHMIDT CHRISTIAN-ULRICH
Abstract: A method for cooling dispersions or liquids (D/L) after a deodorising process comprising (a) passing steam through the D/L in a boiler (1), causing it to foam, (b) taking the foam from the top of the boiler into an evacuated separator (4) through a jet (5) and thus breaking the foam, (c) condensing the water vapour from the foam in a heat exchanger (8) and removing organic volatiles, and (d) returning the broken foam to (1). This process is continued until the D/L is deodorised to the required extent, then the hot D/L is cooled by transferring it from the bottom of (1) to the evacuated separator (4) via jet (5), the water vapour produced is condensed in (8) as before, and the cooled D/L is taken off at the bottom of (4).
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公开(公告)号：AU4207597A
公开(公告)日：1998-03-19
申请号：AU4207597
申请日：1997-08-26
Applicant: BASF AG
Inventor： HERRMANN CHRISTOF , HUBINGER WOLFGANG , KREMESKOTTER JENS , MINGES ROLAND , SCHMIDT-THUMMES JURGEN , MORITZ HANS-ULRICH , SCHMIDT WOLFGANG , RIDDER MAREN
Abstract: A curved tubular flow reactor designed for carrying out chemical reactions continuously, for preparing mixtures and as a liquid-phase heat exchanger comprises a plurality of successive bends having alternating directions of curvature.
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公开(公告)号：AU748776B2
公开(公告)日：2002-06-13
申请号：AU8079998
申请日：1998-08-18
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , WUNDER RAINER , BAUER GERHARD , DOBBELAAR JOHANNES , LAWRENZ SVEN , MUESELER FRANZ-JOSEF , NAHSTOLL JURGEN , RUPANER ROBERT , SCHMIDT CHRISTIAN-ULRICH
Abstract: A method for cooling dispersions or liquids (D/L) after a deodorising process comprising (a) passing steam through the D/L in a boiler (1), causing it to foam, (b) taking the foam from the top of the boiler into an evacuated separator (4) through a jet (5) and thus breaking the foam, (c) condensing the water vapour from the foam in a heat exchanger (8) and removing organic volatiles, and (d) returning the broken foam to (1). This process is continued until the D/L is deodorised to the required extent, then the hot D/L is cooled by transferring it from the bottom of (1) to the evacuated separator (4) via jet (5), the water vapour produced is condensed in (8) as before, and the cooled D/L is taken off at the bottom of (4).
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Patent Agency Ranking
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公开(公告)号：BR9709367A
公开(公告)日：1999-08-10
申请号：BR9709367
申请日：1997-05-22
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , KELLER PETER , KAISER RUDOLF , HEIDER WOLFANG , EIDEN ULRICH
Abstract: In the counterflown column for lowering the residual volatile substance content of dispersions, having 5 to 50 vertical and/or transverse flow filter bases, the specific free aperture area in the vertical flow filter bases is 2 to 25 % and in the transverse flow filter bases 1 to 10 %, and the mean aperture diameter is 10 to 50 mm in the vertical and 2 to 10 mm in the transverse flow filter bases.
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公开(公告)号：AU8979598A
公开(公告)日：1999-03-08
申请号：AU8979598
申请日：1998-08-14
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , HOLTRUP WALTER , HEIDER WOLFGANG
Abstract: A process for reducing the foam formation when a dispersion or liquid is treated with steam bya) introduction of steam into the lower region of a column and simultaneous feed of a medium at the top of the column, the steam ascending to the top of the column,b) contacting the medium with the steam, with foam formation,includes the medium fed in stage a) having been generated by mixing a dispersion or liquid with steam in an apparatus, this medium during the feed into the top of the column having a higher temperature than that of the steam which comes into contact with the medium (in stage b)).
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公开(公告)号：ID24215A
公开(公告)日：2000-07-13
申请号：ID20000486
申请日：1998-09-17
Applicant: BASF AG
Inventor： RUPANER ROBERT , LAWRENZ SVEN , DOBBELAAR JOHANNES , BAUER GERHARD , MUESLER FRANSZ-JOSEF , KIRCHNER WERNER , MORRISON B R , NAHSTOLL JURGRN , MEISTER MARTIN , BACHER REINHARD , HUBINGER WOLFGANG , SCHUMACHER GERHARD
IPC: C08F6/00
Abstract: A process is described for reducing the residual monomer content in a liquid solution, mixture, melt, suspension or dispersion of a polymer by postpolymerization with addition of a redox initiator system at a reaction temperature appropriate to it and with an extremely short mixing time of the liquid system in the production reactor by metering-gradually, in portions or continuously-at least one of the redox initiator components required to initiate polymerization of the residual monomers over a period (metering time) which is from about 10 to 250 times the mixing time of the liquid system in said reactor.
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公开(公告)号：ID23683A
公开(公告)日：2000-05-11
申请号：ID991359
申请日：1998-08-14
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , HOLTRUP WALTER , HEIDER WOLFGANG
Abstract: A process for reducing the foam formation when a dispersion or liquid is treated with steam bya) introduction of steam into the lower region of a column and simultaneous feed of a medium at the top of the column, the steam ascending to the top of the column,b) contacting the medium with the steam, with foam formation,includes the medium fed in stage a) having been generated by mixing a dispersion or liquid with steam in an apparatus, this medium during the feed into the top of the column having a higher temperature than that of the steam which comes into contact with the medium (in stage b)).
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