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公开(公告)号：WO2005009931A3
公开(公告)日：2005-04-07
申请号：PCT/EP2004008192
申请日：2004-07-22
Applicant: BASF AG , HEIDA BERND
Inventor： HEIDA BERND
IPC: C07C7/08 , C07C11/167
CPC classification number: C07C7/08 , C07C11/167 , C07C11/08 , C07C9/10
Abstract: A method for separation of a crude C4 cut, containing butane, butene, 1,3-butadiene and small amounts of other hydrocarbons, amongst which are C4 acetylenes, by means of extractive distillation with a selective solvent is disclosed, whereby the crude C4 cut (1) is introduced into a first extractive distillation column (K I) in the mid region thereof, the selective solvent (2) introduced above the crude C4 cut (1) and a vapour sidestream (3) withdrawn from the first extractive distillation column below the introduction point of the crude C4 cut (1), containing the C4 acetylenes and predominantly the selective solvent as well, whereby the concentration of the C4 acetylenes in the vapour sidestream (3) lies below the spontaneous decomposition level and a head stream (5) is withdrawn containing the components which are less soluble then the C4 acetylenes in the selective solvent.
Abstract translation: 它是一个粗C4馏分的分离方法，含有丁烷，丁烯，1,3-丁二烯和少量其它烃包括C 4个炔类，使用选择性溶剂，其中，第一萃取蒸馏塔通过萃取蒸馏提出的（KI） 在其中央区域中的粗C4馏分（1）和选择性溶剂（2）上面的粗C4馏分（1）从第一萃取蒸馏塔（KI）的粗C4馏分的进料点下方（供给 1）的气态侧流（3）被抽出时，下一个主要包含C 4 -C乙炔和选择性溶剂，其特征在于下面的自发分解极限C4炔的其浓度的气态侧线物流中（3）和头部流（5）， 含有少于C4-乙炔的可溶于选择性溶剂的组分。
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公开(公告)号：WO9805622A2
公开(公告)日：1998-02-12
申请号：PCT/EP9704214
申请日：1997-08-01
Applicant: BASF AG , HEIDA BERND , THIESSEN FRITZ , HAMMON ULRICH , DAMS ALBRECHT
Inventor： HEIDA BERND , THIESSEN FRITZ , HAMMON ULRICH , DAMS ALBRECHT
Abstract: In the production process for acrylic acid through catalytic vapour-phase oxidation of propene, acrylic acid is separated from the vapour-phase oxidation reaction mixture by means of an absorbing agent containing diphenyl, diphenyl ether or dimethyl phthalate and is also extracted from the vapour-phase oxidation acidic water by means of a solvent containing diphenyl, diphenyl ether or dimethyl phthalate.
Abstract translation: 在通过丙烯的气相催化氧化生产丙烯酸的方法中，丙烯酸是从气相氧化的反应混合物中含有二苯基，二苯醚或邻苯二甲酸二甲酯，并进一步，丙烯酸从气相氧化的酸性水吸收剂的装置由联苯，二苯醚或邻苯二甲酸二甲酯的方法分离 含有萃取溶剂。
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公开(公告)号：CA2493079C
公开(公告)日：2012-03-20
申请号：CA2493079
申请日：2003-07-22
Applicant: BASF AG
Inventor： ADRIAN TILL , HILL THOMAS , KINDLER KLAUS , HEIDA BERND
Abstract: The invention relates to a continuous method for separating a C4 cut (C4) by means of extractive distillation using a selective solvent (LM) in an extractive distillation column (EDK). A separating wall (TW), forming a first partial region (A), a second partial region (B) and a lower common column region (C), is arranged in the longitudinal direction of the extractive distillation column (EDK). According to said method, a head flow (C4H10) comprising butane is separated from the first partial region (A), a head flow (C4H8) comprising butene is separated from the second partial region (B), and a flow (C4H6) comprising the hydrocarbons from the C4 cut is separated from the lower common column region (C), said hydrocarbons dissolving more easily in the selective solvent (LM) than the butane and the butene.
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公开(公告)号：CA2532649C
公开(公告)日：2012-02-07
申请号：CA2532649
申请日：2004-07-22
Applicant: BASF AG
Inventor： HEIDA BERND
IPC: C07C7/08 , C07C11/167
Abstract: A method for separation of a crude C4 cut, containing butane, butene, 1,3-butadiene and small amounts of other hydrocarbons, amongst which are C4 acetylenes, by means of extractive distillation with a selective solvent is disclosed, whereby the crude C4 cut (1) is introduced into a first extractive distillation column (K I) in the mid region thereof, the selective solvent (2) introduced above the crude C4 cut (1) and a vapour sidestream (3) withdrawn from the first extractive distillation column below the introduction point of the crude C4 cut (1), containing the C4 acetylenes and predominantly the selective solvent as well, whereby the concentration of the C4 acetylenes in the vapour sidestream (3) lies below the spontaneous decomposition level and a head stream (5) is withdrawn containing the components which are less soluble then the C4 acetylenes in the selective solvent.
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公开(公告)号：AU2003250133B2
公开(公告)日：2009-12-03
申请号：AU2003250133
申请日：2003-07-22
Applicant: BASF AG
Inventor： HEIDA BERND , HILL THOMAS , KINDLER KLAUS , ADRIAN TILL
Abstract: In a continuous process for fractionating a C4 fraction (C4) by extractive distillation using a selective solvent (LM) in an extractive distillation column (EDK), it is proposed that a dividing wall (TW) is installed in the longitudinal direction in the extractive distillation column (EDK) to form a first region (A), a second region (B) and a lower combined column region (C) and a top stream (C4H10) comprising the butanes is taken off from the first region (A), a top stream (C4H8) comprising the butenes is taken off from the second region (B) and a stream (C4H6) comprising the hydrocarbons from the C4 fraction which are more soluble in the selective solvent (LM) than are the butanes and the butenes is taken off from the lower combined column region (C).
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Patent Agency Ranking
公开(公告)号：DE102004005930A1
公开(公告)日：2005-08-25
申请号：DE102004005930
申请日：2004-02-06
Applicant: BASF AG
Inventor： HEIDA BERND
IPC: C07C7/08 , C07C11/167 , C07C11/22 , C07C11/28
Abstract: 1,3-butadiene is obtained by extractive distillation with a selective solvent from a C4 cut comprising C4 acetylenes as secondary components in a dividing wall column having a bottom evaporator, in which a dividing wall is disposed in the longitudinal direction of the column to form a first subregion, a second subregion and a lower combined column region. The column is disposed upstream of an extractive wash column. The energy input into the dividing wall column via the bottom evaporator is controlled in such a way that a bottom stream containing solvent, C4 acetylenes and 1,3-butadiene restricted such that the loss of 1,3-butadiene is economically acceptable, is drawn off and fed to an acetylenes outgasser where the C4 acetylenes are stripped out overhead and purified solvent is obtained as the bottom stream.
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公开(公告)号：MXPA05002339A
公开(公告)日：2005-05-23
申请号：MXPA05002339
申请日：2003-12-11
Applicant: BASF AG
Inventor： HEIDA BERND
Abstract: Se da a conocer un proceso para fraccionar una mezcla (A) de partida, de dos o mas componentes, por la destilacion extractiva, usando un solvente selectivo (S), en una columna de pared de division (TKW), en donde: el proceso se realiza en una columna de pared divisora, que tiene una pared divisora la cual esta alineada en la direccion longitudinal de la columna en una primera region, una segunda region y una region de columna combinada inferior; la mezcla de partida se alimenta en la primera region, una primera corriente superior esta desplazada de la primera region y una segunda corriente superior esta desplazada de la segunda region, con cada una de las corrientes teniendo una especificacion prescrita; el solvente selectivo se introduce en la parte superior de la primera region y/o en la parte superior de la segunda region y el flujo del solvente en la primera region y/o el lujo del solvente de la segunda region se establecen de modo que cada especificacion prescrita para las corrientes superiores se junten.
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公开(公告)号：CA2532649A1
公开(公告)日：2005-02-03
申请号：CA2532649
申请日：2004-07-22
Applicant: BASF AG
Inventor： HEIDA BERND
IPC: C07C7/08 , C07C11/167
Abstract: A method for separation of a crude C4 cut, containing butane, butene, 1,3- butadiene and small amounts of other hydrocarbons, amongst which are C4 acetylenes, by means of extractive distillation with a selective solvent is disclosed, whereby the crude C4 cut (1) is introduced into a first extractiv e distillation column (K I) in the mid region thereof, the selective solvent ( 2) introduced above the crude C4 cut (1) and a vapour sidestream (3) withdrawn from the first extractive distillation column below the introduction point o f the crude C4 cut (1), containing the C4 acetylenes and predominantly the selective solvent as well, whereby the concentration of the C4 acetylenes in the vapour sidestream (3) lies below the spontaneous decomposition level and a head stream (5) is withdrawn containing the components which are less solubl e then the C4 acetylenes in the selective solvent.
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公开(公告)号：AU2004259076A1
公开(公告)日：2005-02-03
申请号：AU2004259076
申请日：2004-07-22
Applicant: BASF AG
Inventor： HEIDA BERND
IPC: C07C7/08 , C07C11/167
Abstract: A process for fractionating a crude C4 fraction comprising butanes, butenes, 1,3-butadiene and small amounts of other hydrocarbons including C4-acetylenes, by extractive distillation using a selective solvent, wherein the crude C4 fraction (1) is fed into the middle region of a first extractive distillation column (K I) and the selective solvent (2) is fed into the column at a point above that at which the crude C4 fraction (1) is introduced and a gaseous side stream (3) which comprises the C4-acetylenes together with predominantly the selective solvent and in which the concentration of the C4-acetylenes is below the spontaneous decomposition limit is taken off from the first extractive distillation column (K I) at a point below the feed point for the crude C4 fraction (1) and an overhead stream (5) comprising the components which are less soluble than the C4-acetylenes in the selective solvent is taken off from the top of the first extractive distillation column, is proposed.
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公开(公告)号：DE19631628A1
公开(公告)日：1998-02-12
申请号：DE19631628
申请日：1996-08-05
Applicant: BASF AG
Inventor： HEIDA BERND , THIESSEN FRITZ DR , HAMMON ULRICH DR
Abstract: Mixing device for the blending of at least two liquid phases, containing a housing (1) with an inside diameter D, in which at least one agitator (2) is equipped with two to five segment shaped blades presenting a radius of curvature K, in which the circular area inside the housing (1), covered by the rotating agitators, has a diameter E, and in which K ranges from 0.10*D to 0.30*D, preferably from 0.125*D to 0.25*D, and E ranges from 0.35*D to 0.65*D, preferably from 0.45*D to 0.55*D.
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