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公开(公告)号:CA2526912A1
公开(公告)日:2004-11-25
申请号:CA2526912
申请日:2004-05-14
Applicant: BASF AG
Inventor: LENZ ROBERT , ADAMI CHRISTOPH , HAUK ALEXANDER , KARL JOERN
Abstract: The invention relates to a method for producing formic acid formiates consisting in supplying a formic acid-containing fluid flow (I) and a metal formiate-containing fluid flow (II) and in mixing the fluid flow (I) and the fluid flow (II) in order to obtain corresponding formic acid formiate. Said invention is characterised in that a fluid flow (III) containing metallic formiate components, metal methanolate, methanol and formic acid methylester (MeFo) at a ratio > 0.1 mass % is inserted into the fluid flow (I) or the precursor thereof, into the fluid flow (II) or the precursor thereof or into a mixture which is formed by the fluid flows (I) and (II). Said fluid flow (II I) is obtained by a method for producing MeFo by carbonylating methanol in a reactor at a pressure up to 50 MPa absolutes in the presence of metal methanolate which used as homogenous catalyst.
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公开(公告)号:AU2003253357A1
公开(公告)日:2004-03-29
申请号:AU2003253357
申请日:2003-07-30
Applicant: BASF AG
Inventor: ADAMI CHRISTOPH , KARL JORN , HAUK ALEXANDER , BOHLING RALF , PASTRE JORG , LENZ ROBERT
Abstract: A method for the production of formic acid-formates (I) involves (a) partial hydrolysis of methyl formate (MF) with water, (b) distillation to give formic acid and water (stream S1) and (c) combination of (S1) with the corresponding formate (F) to give a mixture of (I) and water. An Independent claim is also included for apparatus for the production of (I), comprising a reactor (A) for the hydrolysis of MF, a distillation column (B) for separating a stream containing MF, formic acid, methanol and water into MF, methanol and a stream (S1) containing formic acid and water, and a column (E) for removing water from S1.
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公开(公告)号:AU2003253356A1
公开(公告)日:2004-03-19
申请号:AU2003253356
申请日:2003-07-30
Applicant: BASF AG
Inventor: LENZ ROBERT , ADAMI CHRISTOPH , KARL JORN , HAUK ALEXANDER , BOHLING RALF , PASTRE JORG
IPC: A23K1/16 , A01N1/00 , A01N3/00 , A61K31/19 , A61P3/00 , B01D9/02 , C07C51/09 , C07C51/41 , C07C53/06 , C07C53/02
Abstract: Formic acid-formates are produced by (a) partial hydrolysis of methyl formate (MF) with water, (b) distillation to give (S1) formic acid and water, (c) conversion of the other product from (b) (mainly MF) into a stream (S2) containing formate and water by reaction with aqueous strong base and distillation of methanol, and (d) combination of (S1) with (S2). A method for the production of formic acid-formates (I) involves: (a) partial hydrolysis of methyl formate (MF) with water; (b) distillation to give a stream (S1) containing formic acid and water; (c) conversion of the MF- and possibly methanol-containing stream from (b) into a formate- and water-containing stream (S2) by (i) reaction with a basic compound of an acid with a pKa value of at least 3 in presence of water followed by (ii) removal of methanol by distillation; and (d) combination of streams (S1) and (S2). An Independent claim is also included for apparatus for the production of (I), comprising: (A) a reactor for the hydrolysis of MF; (B) a distillation column for separating a stream containing MF, formic acid, methanol and water; (C) a column for the hydrolysis of MF with a basic compound with removal of methanol by distillation (with an inlet for the base above the inlet for the product from (B)); and (D) a column connected to the bottom of (B) for removing water from the stream containing formic acid and water.
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公开(公告)号:CA2495340A1
公开(公告)日:2004-03-11
申请号:CA2495340
申请日:2003-07-30
Applicant: BASF AG
Inventor: ADAMI CHRISTOPH , KARL JOERN , HAUK ALEXANDER , PASTRE JOERG , LENZ ROBERT , BOEHLING RALF
IPC: A23K1/16 , A01N1/00 , A01N3/00 , A61K31/19 , A61P3/00 , B01D9/02 , C07C51/09 , C07C51/41 , C07C53/06 , C07C53/02
Abstract: The invention relates to a method for producing formic acid formates, whereby (a) formic acid methyl ester is partially hydrolysed with water; (b) formic acid methyl ester and methanol are separated by distillation from the reaction mixture obtained in step (a), forming a current containing formic acid and water; (c) the current obtained in step (b), containing the formic acid methyl ester and optionally methanol, is converted into a current containing formate and water, by (i) reaction with a basic compound having a pKa value of the corresponding acid of the corresponding dissociation step of = 3, measured at 25 ~C in an aqueous solution, in the presence of water, and (ii) separation by distillation of the methanol; and (d) the current obtained in step (b), containing formic acid and water, and the current obtained in step (c), containing formate and water, are combined to form a mixture containing the formic acid formate and water. The invention also relates to a device for producing said formic acid formates and to the use of the same.
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公开(公告)号:DE10220752A1
公开(公告)日:2003-06-18
申请号:DE10220752
申请日:2002-05-08
Applicant: BASF AG
Inventor: BOEHLING RALF , ADAMI CHRISTOPH , MUELLER-ENGEL KLAUS JOACHIM , MEYER GERALD , MACHHAMMER OTTO , ZEHNER PETER
IPC: C07C51/25 , C07C51/36 , C07C67/303 , C07C53/122 , C07C69/22
Abstract: Production of propionic acid (or its ester) comprises: (1) partial dehydrogenation of propane to give a mixture (A); (2) partial oxidation of propylene in (A) to form a mixture (B); and (3) hydrogenation of the acrylic acid in (B) (directly and/or after esterification) to form a mixture (C) containing propionic acid and/or its ester At least part of the hydrogen used in step (3) is that formed in step (1). Production of propionic acid (or its ester) from acrylic acid (or its ester) comprises: (1) heterogeneously catalyzed partial dehydrogenation of propane in a first reaction zone, to give a product gas mixture (A) containing molecular hydrogen, propylene and unconverted propane; (2) charging the propylene in (A) to a second reaction zone, in which the propylene is subjected to selective, heterogeneously catalyzed partial gas phase oxidation with molecular oxygen to form a product gas mixture (B) containing acrylic acid; and (3) charging the acrylic acid in (B) (directly and/or after esterification) to a third reaction zone, in which the acrylic acid (or ester) is hydrogenated with molecular hydrogen to form a product gas mixture (C) containing propionic acid and/or its ester. At least part of the hydrogen used in step (3) being that formed in step (1).
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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.
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17.
公开(公告)号:BRPI0314770B1
公开(公告)日:2015-08-18
申请号:BR0314770
申请日:2003-09-18
Applicant: BASF AG
Inventor: HECHLER CLAUS , SCHINDLER GÖTZ-PETER , PETZOLDT JOCHEN , ADAMI CHRISTOPH , MACHHAMMER OTTO , MULLER-ENGEL KLAUS JOACHIM , MARTAN HANS
IPC: C07C7/05 , B01J23/00 , B01J23/887 , C07C5/32 , C07C5/48 , C07C11/06 , C07C27/00 , C07C45/35 , C07C51/215 , C07C51/25 , C07C235/24 , C07C253/24 , C07C253/26 , C07C255/08 , C07D301/10
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公开(公告)号:DE50111556D1
公开(公告)日:2007-01-11
申请号:DE50111556
申请日:2001-06-13
Applicant: BASF AG
Inventor: MACHHAMMER OTTO , ADAMI CHRISTOPH , HECHLER CLAUS , ZEHNER PETER
IPC: C07C27/14 , C07C45/33 , B01J23/00 , B01J23/28 , B01J23/31 , B01J23/34 , B01J23/652 , B01J23/656 , B01J23/88 , B01J27/057 , B01J37/02 , C07B61/00 , C07C5/333 , C07C5/48 , C07C7/11 , C07C11/06 , C07C27/00 , C07C45/35 , C07C47/22 , C07C51/215 , C07C51/25 , C07C57/04 , C07C57/05 , C07C57/07
Abstract: Acrolein and acrylic acid are produced from propane and propene by absorption/desorption of propane and propene from a gas mixture followed by oxidation, in which no heterogeneously catalyzed dehydrogenation of propane occurs between the desorption and oxidation stages without addition of oxygen. Acrolein and acrylic acid are produced from propane and propene by: (a) separation of propane and propene from a gas mixture (A) by absorption in an absorption medium; (b) separation of propane and propene from the absorbent to give a mixture (B) containing propane and propene; and (c) using mixture (B) for oxidation to the required product(s). In this process, no catalytic dehydrogenation of propane without the addition of oxygen is carried out between stages (b) and (c).
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公开(公告)号:AT346835T
公开(公告)日:2006-12-15
申请号:AT01956472
申请日:2001-06-13
Applicant: BASF AG
Inventor: MACHHAMMER OTTO , ADAMI CHRISTOPH , HECHLER CLAUS , ZEHNER PETER
IPC: C07C27/14 , B01J23/00 , B01J23/28 , B01J23/31 , B01J23/34 , B01J23/652 , B01J23/656 , B01J23/88 , B01J27/057 , B01J37/02 , C07B61/00 , C07C5/333 , C07C5/48 , C07C7/11 , C07C11/06 , C07C27/00 , C07C45/33 , C07C45/35 , C07C47/22 , C07C51/215 , C07C51/25 , C07C57/04 , C07C57/05 , C07C57/07
Abstract: Acrolein and acrylic acid are produced from propane and propene by absorption/desorption of propane and propene from a gas mixture followed by oxidation, in which no heterogeneously catalyzed dehydrogenation of propane occurs between the desorption and oxidation stages without addition of oxygen. Acrolein and acrylic acid are produced from propane and propene by: (a) separation of propane and propene from a gas mixture (A) by absorption in an absorption medium; (b) separation of propane and propene from the absorbent to give a mixture (B) containing propane and propene; and (c) using mixture (B) for oxidation to the required product(s). In this process, no catalytic dehydrogenation of propane without the addition of oxygen is carried out between stages (b) and (c).
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公开(公告)号:DE102005013039A1
公开(公告)日:2006-09-21
申请号:DE102005013039
申请日:2005-03-18
Applicant: BASF AG
Inventor: MACHHAMMER OTTO , SCHINDLER GOETZ-PETER , ADAMI CHRISTOPH , HECHLER CLAUS , DIETERLE MARTIN
Abstract: Acrolein and/or acrylic acid is prepared by feeding to a first reaction zone A at least two gaseous, propane-containing feed streams comprising fresh propane, and in reaction zone A, subjecting their propane fed to a heterogeneously catalyzed dehydrogenation to obtain a product gas mixture A comprising propane and propylene. Preparation of acrolein and/or acrylic acid involves feeding to a first reaction zone A at least two gaseous, propane-containing feed streams having fresh propane and in reaction zone A, subjecting their propane fed in this way to a heterogeneously catalyzed dehydrogenation to obtains a product gas mixture A comprising propane and propylene; conducting product gas mixture A out of reaction zone A and in a first separation zone A, removing a portion of the constituents other than propane and propylene in product gas mixture A and using remaining product gas mixture A' comprising propane and propylene; in a second reaction zone B to charge an oxidation reactor and, in the oxidation reaction, subjecting the propylene present in product gas mixture A' to a catalyst gas phase partial oxidation with molecular oxygen to give a product gas mixture B having acrolein or acrylic acid as the target product and also excess molecular oxygen; and conducting product gas mixture b out of reaction zone B and in a second separation zone, removing target product present in product gas mixture B, and of the remaining residual gas having unconverted propane, molecular oxygen and any unconverted propylene as one of the two-propane-containing feed streams into reaction zone A, where this recycling into he reaction zone A along the reaction path of the catalyzed dehydrogenation of propane in reaction zone A is effected such that at the feed point, >=5 mol.% of the propane fed to reaction zone A via the other feed streams has already been converted under dehydrogenating conditions in reaction zone A.
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