WO1992006069A1 - Procedimiento para la obtencion de derivados de acido acetico - Google Patents
Procedimiento para la obtencion de derivados de acido acetico Download PDFInfo
- Publication number
- WO1992006069A1 WO1992006069A1 PCT/ES1991/000061 ES9100061W WO9206069A1 WO 1992006069 A1 WO1992006069 A1 WO 1992006069A1 ES 9100061 W ES9100061 W ES 9100061W WO 9206069 A1 WO9206069 A1 WO 9206069A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- catalyst
- reaction
- copper
- formic acid
- raney
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J25/00—Catalysts of the Raney type
- B01J25/04—Regeneration or reactivation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
- B01J38/62—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids organic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/02—Formation of carboxyl groups in compounds containing amino groups, e.g. by oxidation of amino alcohols
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Definitions
- the invention relates to a process for obtaining acetic acid derivatives, namely, glycine and iminodiacetic and nitrilotriacetic acids by oxidation of onoethanolamine, diethanolamine and triethanolamine respectively, using a catalyst
- the process of the invention relates to the realization of a catalyst regeneration treatment used in a previous reaction cycle that allows its reuse in successive reactions maintaining the conversion and the net yield
- IDA iminodiacetic acid
- NTA nitrilotriacetic acid
- glycine has applications as a nutrient and 25.
- both IDA and NTA are intermediate in the synthesis of herbicides, among other applications. Since the appearance of these products on the market, various procedures for obtaining them have been described and patented.
- Japanese Patent 53/7709 in the name of Mitsui Toatsu Chemical Co. Ltd provides a method of obtaining IDA and NTA by oxidation of diethanolamine and triethanolamine respectively, with oxygen gas in basic aqueous solution, using a metal noble (Pt v
- Japanese patents n 9 60 / 78.948, 60 / 78.949, 60 / 97.945, 60 / 100.545 and 61 / 65.840 in the name of Nippon Catalytic Chem. Ind., Provide a procedure for obtaining glycine, IDA and NTA by dehydrogenation of mono-, di- and triethanolamine in aqueous solution
- the present invention aims to provide improvements or refinements in a process of dehydrogenation of mono-, di- and triethanolamine in the presence of a Copper-Raney catalyst. These improvements are aimed at regenerating
- the improvements made by the invention can be specified in that the incidence of the cost of the catalyst in the final products obtained is minimized, making a process economically viable at a industrial level that otherwise would not be. To minimize the incidence
- the catalyst in the final products proposes to carry out a regeneration process of the catalyst used in the reaction with refluxed formic acid, thus being able to remove all oxidized copper (Cu- + ) from the catalyst used.
- Oxidized copper and other possible contaminants are deposited on the catalyst by poisoning it and producing marked drops in the yields of the reactions carried out by reusing the catalyst without subjecting it
- R and P ' can independently be H or 30. -CH 2 -CH 2 OH groups
- R- ⁇ and R 2 can independently be H or -CH 2 -C00H groups; n can be 1, 2 or 3.
- the reaction can be carried out at temperatures between 25 S C and 215 S C, preferably between 150 S C and 205 S C, and at a pressure between 6 and 15 kg / cm 2 .
- Water is used as solvent to which an alkaline hydroxide is added in a molar ratio with respect to the hydro- groups
- xyl of the starting amino alcohol (II) between 5% and 20% in stoichiometric excess, preferably between 5% and 10%. This means that 1 * 05 to 1'10 moles of alkali hydroxide are used per mole of monoethanolamine, 2'10 to 2 * 20 moles of said hydroxide
- alkaline hydroxide 20. per mole of diethanolamine and 3'15 to 3.30 moles of alkali hydroxide per mole of triethanolamine.
- Any alkaline hydroxide can be used as long as the salts that form with the acids obtained are soluble in the reaction medium.
- alkaline hydroxides can be used as examples of alkaline hydroxides
- the initial concentration of the amino alcohols (II) can be between 20% and 35% by weight based on
- initial total weight of the components of the reaction mass preferably between 30% and 35% by weight. Higher concentrations can cause yield losses due to diffusion problems of the oxidizing gas, and lower concentrations decrease productivity without
- the catalyst used in the process of the invention is Copper-Raney, although it is also possible to use a Nickel-Raney catalyst if minor modifications are made in the process.
- the Copper-Raney catalyst can be easily manufactured by leaching with sodium hydroxide under a reducing atmosphere of the Al 2 Cu alloy, according to procedures already described in this regard.
- the catalyst is added in an amount between 5% and 15% by weight based on the content of the starting amino alcohol (II), although with an average percentage of 7.5% it is possible to obtain excellent results.
- the reaction time operating under these conditions is between 3.5 and 5.0 hours depending on the n 9 of 15. uses of the catalyst.
- the reaction is continued by measuring the conversion of the starting aminoalcohol (II) and the appearance of the acetic acid derivative (I). Once the reaction is over, the medium of
- the reaction is subjected to a hot filtration process, at a temperature between 80 9 C and 95 5 C, preferably between S5 9 C and 90 9 C in order to recover the catalyst used.
- the regeneration procedure of the Copper-Raney catalyst used is then carried out.
- the regeneration process of the Copper-Ranev 35 catalyst of the present invention basically consists in subjecting the Copper-Raney catalyst already used in a previous cycle of reaction to treatment with reflux formic acid, to subsequently, and once filtered again, repulp it with demineralized water and dilute sodium hydroxide successive 5. times until a slightly basic pH is achieved (9-11) in the wash waters.
- the catalyst thus treated can be stored in a dilute aqueous solution of sodium hydroxide (0.5-5.0%) until it is used in the next reaction cycle »10.
- the concentration of the formic acid to be used may be between 20% and 85% by weight, preferably said concentration is 40%.
- reaction medium which contains the soluble alkaline salts of the acetic acid derivatives formed, is subjected to an isolation and purification treatment to obtain the corresponding acids of formula (I). This treatment can be done well by
- the reaction yield in the 4 September reaction cycle is maintained around 87%, that is, within the same order of magnitude as that obtained when new catalyst (35-92%) used.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002070176A CA2070176C (en) | 1990-10-04 | 1991-10-03 | Procedure for obtaining derivatives of acetic acid |
BR919105914A BR9105914A (pt) | 1990-10-04 | 1991-10-03 | Procedimento para a obtencao de derivados de acido acetico |
EP91919339A EP0504381B1 (en) | 1990-10-04 | 1991-10-03 | Method for obtaining acetic acid derivatives |
JP3516413A JPH0747125B2 (ja) | 1990-10-04 | 1991-10-03 | 酢酸誘導体の製造方法 |
DE69110447T DE69110447T2 (de) | 1990-10-04 | 1991-10-03 | Verfahren zur herstellung von essigsäurederivaten. |
HK98106383A HK1007139A1 (en) | 1990-10-04 | 1998-06-24 | Method for obtaining acetic acid derivatives |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP9002523 | 1990-10-04 | ||
ES9002523A ES2031412A6 (es) | 1990-10-04 | 1990-10-04 | Perfeccionamientos introducidos en un procedimiento de obtencion de derivados de acido acetico. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992006069A1 true WO1992006069A1 (es) | 1992-04-16 |
Family
ID=8269053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES1991/000061 WO1992006069A1 (es) | 1990-10-04 | 1991-10-03 | Procedimiento para la obtencion de derivados de acido acetico |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0504381B1 (es) |
JP (1) | JPH0747125B2 (es) |
AT (1) | ATE123760T1 (es) |
AU (1) | AU634103B2 (es) |
BR (1) | BR9105914A (es) |
CA (1) | CA2070176C (es) |
DE (1) | DE69110447T2 (es) |
DK (1) | DK0504381T3 (es) |
ES (2) | ES2031412A6 (es) |
HK (1) | HK1007139A1 (es) |
WO (1) | WO1992006069A1 (es) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292936A (en) * | 1993-04-12 | 1994-03-08 | Monsanto Company | Process to prepare amino carboxylic acid salts |
AU673260B2 (en) * | 1993-04-12 | 1996-10-31 | Monsanto Technology Llc | Process to prepare amino carboxylic acid salts |
EP1067114A1 (en) * | 1999-07-05 | 2001-01-10 | Atanor S.A. | Method of preparing amino-, imino- and nitrilocarbonxylic acids and silver-promoted copper catalyst for use in said method |
US6239312B1 (en) | 1998-03-23 | 2001-05-29 | Finichimicia S.P.A. | Method for the preparation of salts of carboxylic acids using copper catalyzed dehydrogenation |
US6414188B1 (en) | 1999-07-05 | 2002-07-02 | Atanor S.A. | Method of preparing amino-, imino-, and nitrilocarboxylic acids and silver-promoted copper catalyst for use in said method |
US6555706B2 (en) | 2000-05-15 | 2003-04-29 | Monsanto Company | Process for making iminodiacetic acid compounds from monoethanolamine substrates |
US6646160B2 (en) | 1999-05-03 | 2003-11-11 | Monsanto Technology, Llc | Process for the preparation of carboxylic acid salts from primary alcohols |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2022044A6 (es) * | 1990-09-25 | 1991-11-16 | Ercros Sa | Procedimiento para la obtencion de derivados del acido acetico. |
WO1992006949A1 (fr) * | 1990-10-23 | 1992-04-30 | Nippon Shokubai Co., Ltd. | Procede de production de sels d'acide aminocarboxylique |
CA2074486C (en) * | 1990-11-27 | 2002-04-02 | Yoshiaki Urano | Process for producing aminocarboxylic acid salt |
DE19963409A1 (de) * | 1999-12-28 | 2001-07-12 | Basf Ag | Verfahren zur Regenerierung von Katalysatoren |
CN102702032A (zh) * | 2012-05-10 | 2012-10-03 | 江苏远洋药业股份有限公司 | 胍基乙酸的合成方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2148287A (en) * | 1983-10-05 | 1985-05-30 | Nippon Catalytic Chem Ind | Preparation of aminocarboxylic acid salts from amino alcohols |
-
1990
- 1990-10-04 ES ES9002523A patent/ES2031412A6/es not_active Expired - Lifetime
-
1991
- 1991-10-03 WO PCT/ES1991/000061 patent/WO1992006069A1/es active IP Right Grant
- 1991-10-03 BR BR919105914A patent/BR9105914A/pt not_active Application Discontinuation
- 1991-10-03 EP EP91919339A patent/EP0504381B1/en not_active Expired - Lifetime
- 1991-10-03 AU AU86663/91A patent/AU634103B2/en not_active Ceased
- 1991-10-03 JP JP3516413A patent/JPH0747125B2/ja not_active Expired - Lifetime
- 1991-10-03 CA CA002070176A patent/CA2070176C/en not_active Expired - Fee Related
- 1991-10-03 ES ES91919339T patent/ES2074732T3/es not_active Expired - Lifetime
- 1991-10-03 AT AT91919339T patent/ATE123760T1/de not_active IP Right Cessation
- 1991-10-03 DK DK91919339.1T patent/DK0504381T3/da active
- 1991-10-03 DE DE69110447T patent/DE69110447T2/de not_active Expired - Fee Related
-
1998
- 1998-06-24 HK HK98106383A patent/HK1007139A1/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2148287A (en) * | 1983-10-05 | 1985-05-30 | Nippon Catalytic Chem Ind | Preparation of aminocarboxylic acid salts from amino alcohols |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292936A (en) * | 1993-04-12 | 1994-03-08 | Monsanto Company | Process to prepare amino carboxylic acid salts |
US5367112A (en) * | 1993-04-12 | 1994-11-22 | Monsanto Company | Process to prepare amino carboxylic acid salts |
AU673260B2 (en) * | 1993-04-12 | 1996-10-31 | Monsanto Technology Llc | Process to prepare amino carboxylic acid salts |
US5739390A (en) * | 1993-04-12 | 1998-04-14 | Monsanto Company | Process to prepare amino carboxylic acid salts |
US6239312B1 (en) | 1998-03-23 | 2001-05-29 | Finichimicia S.P.A. | Method for the preparation of salts of carboxylic acids using copper catalyzed dehydrogenation |
US6646160B2 (en) | 1999-05-03 | 2003-11-11 | Monsanto Technology, Llc | Process for the preparation of carboxylic acid salts from primary alcohols |
EP1067114A1 (en) * | 1999-07-05 | 2001-01-10 | Atanor S.A. | Method of preparing amino-, imino- and nitrilocarbonxylic acids and silver-promoted copper catalyst for use in said method |
US6414188B1 (en) | 1999-07-05 | 2002-07-02 | Atanor S.A. | Method of preparing amino-, imino-, and nitrilocarboxylic acids and silver-promoted copper catalyst for use in said method |
US6555706B2 (en) | 2000-05-15 | 2003-04-29 | Monsanto Company | Process for making iminodiacetic acid compounds from monoethanolamine substrates |
US7064235B2 (en) | 2000-05-15 | 2006-06-20 | Monsanto Technology Llc | Process for making iminodiacetic acid compounds from monoethanolamine substrates |
Also Published As
Publication number | Publication date |
---|---|
EP0504381A1 (en) | 1992-09-23 |
AU634103B2 (en) | 1993-02-11 |
DK0504381T3 (da) | 1995-10-30 |
BR9105914A (pt) | 1992-11-10 |
EP0504381B1 (en) | 1995-06-14 |
CA2070176A1 (en) | 1992-04-05 |
ATE123760T1 (de) | 1995-06-15 |
JPH05500475A (ja) | 1993-02-04 |
AU8666391A (en) | 1992-04-28 |
DE69110447D1 (de) | 1995-07-20 |
DE69110447T2 (de) | 1996-01-25 |
HK1007139A1 (en) | 1999-04-01 |
CA2070176C (en) | 1999-06-01 |
JPH0747125B2 (ja) | 1995-05-24 |
ES2031412A6 (es) | 1992-12-01 |
ES2074732T3 (es) | 1995-09-16 |
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