FR2474338A1 - PROCESS FOR RECOVERING A METAL CATALYST USE - Google Patents
PROCESS FOR RECOVERING A METAL CATALYST USE Download PDFInfo
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- FR2474338A1 FR2474338A1 FR8101146A FR8101146A FR2474338A1 FR 2474338 A1 FR2474338 A1 FR 2474338A1 FR 8101146 A FR8101146 A FR 8101146A FR 8101146 A FR8101146 A FR 8101146A FR 2474338 A1 FR2474338 A1 FR 2474338A1
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- Prior art keywords
- acid
- organic
- metal
- inorganic acid
- water
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—Regeneration or reactivation
- B01J31/4015—Regeneration or reactivation of catalysts containing metals
- B01J31/4023—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper
- B01J31/403—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing iron group metals or copper
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—Regeneration or reactivation
- B01J31/4015—Regeneration or reactivation of catalysts containing metals
- B01J31/4023—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper
- B01J31/4038—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing noble metals
-
- 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
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
- B01J2231/32—Addition reactions to C=C or C-C triple bonds
- B01J2231/321—Hydroformylation, metalformylation, carbonylation or hydroaminomethylation
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/821—Ruthenium
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/827—Iridium
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/842—Iron
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/845—Cobalt
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/847—Nickel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
PROCEDE POUR LA RECUPERATION D'UN CATALYSEUR METALLIQUE (PAR EXEMPLE DE COBALT) USE DEPOSE DURANT UN PROCEDE POUR LA TRANSFORMATION CATALYSEE DE COMPOSES ORGANIQUES. ON DISSOUT LE METAL DEPOSE DANS UN ACIDE INORGANIQUE COMME SOLVANT ET ON MET EN CONTACT A TEMPERATURE ELEVEE LA SOLUTION RESULTANTE DE SEL DE METAL AVEC UN ACIDE ORGANIQUE (PAR EXEMPLE DE L'ACIDE ETHYLHEXANOIQUE) EN AJOUTANT UN HYDROXYDE DE METAL ALCALIN ET ENSUITE ON ISOLE A PARTIR DE LA PHASE ORGANIQUE LE SEL ORGANIQUE DE METAL RESULTANT (PAR EXEMPLE LE 2-ETHYLHEXANOATE DE COBALT). APPLICATION AUX PROCEDES D'HYDROFORMYLATION.PROCESS FOR RECOVERING A METAL CATALYST (FOR EXAMPLE COBALT) USED IN A PROCESS FOR THE CATALYZED TRANSFORMATION OF ORGANIC COMPOUNDS. THE METAL DEPOSITED IS DISSOLVED IN AN INORGANIC ACID AS A SOLVENT AND THE RESULTING SOLUTION OF METAL SALT WITH AN ORGANIC ACID (FOR EXAMPLE ETHYLHEXANOIC ACID) IS ADDED AT HIGH TEMPERATURE AND THEN IS ALKALINE METAL HYDROXIDE ON AND THEN ON FROM THE ORGANIC PHASE THE RESULTING ORGANIC METAL SALT (FOR EXAMPLE COBALT 2-ETHYLHEXANOATE). APPLICATION TO HYDROFORMYLATION PROCESSES.
Description
La présente invention concerne un procédé pour la récupération d'unThe present invention relates to a method for the recovery of a
catalyseur métallique uséspent metal catalyst
déposé à l'état métallique durant un procédé de trans- deposited in the metallic state during a transmission process.
formation catalysée de composés organiques. catalyzed formation of organic compounds.
Les dépôts métalliques que l'on trouve sur les parois intérieures et les canalisations d'un The metal deposits found on the inner walls and pipes of a
réacgeur dans lequel on utilise des catalyseurs conte- reactors in which catalysts containing
nant des métaux constituent un problème majeur. Le dé- metal is a major problem. Of the-
pôt de métaux n'est pas seulement indésirable pour des raisons techniques, il est indésirable aussi d'un point metal mining is not only undesirable for technical reasons, it is also undesirable
de vue économique. La perte de matière catalytique ac- from an economic point of view. The loss of catalytic material
tive et d'une grande valeur peut élever considérable- and of great value can
ment les coûts du procédé. On a maintenant trouvé que ces the costs of the process. We have now found that these
pertes peuvent être notablement réduites quand les dé- losses can be significantly reduced when
pâts métalliques sont traités comme suit. metal pastes are treated as follows.
Le métal doit 8tre dissous dans un acide inorganique à température élevée. Ensuite, la solution résultante de sel de métal qui peut contenir un excès d'acide inorganique est mise en contact avec un acide organique en présence d'eau et d'un solvant organique non miscible avec l'eau. Le mélange est chauffé et agité rapidement tandis qu'on ajoute une base. Il se forme un système à deux phases constitué d'une phase aqueuse et d'une phase organique et le métal désiré est The metal must be dissolved in an inorganic acid at elevated temperature. Then, the resulting metal salt solution which may contain an excess of inorganic acid is contacted with an organic acid in the presence of water and an organic solvent immiscible with water. The mixture is heated and stirred rapidly while a base is added. A two-phase system consisting of an aqueous phase and an organic phase is formed and the desired metal is
ensuite isolé par extraction sous la forme d'un sel or- then isolated by extraction in the form of a salt
ganique de métal.metal mechanics.
La présente invention concerne donc un pro- The present invention therefore relates to a
cédé pour la récupération d'un catalyseur métallique usé déposé à l'état métallique durant un procédé pour la for the recovery of a spent metal catalyst deposited in the metallic state during a process for
transformation catalysée de composés organiques, caracté- catalyzed transformation of organic compounds,
risé en ce qu'on dissout le métal déposé dans un acide rised by dissolving the deposited metal in an acid
inorganique et qu'on met en contact à température éle- inorganic material and put into contact at high temperature
vée la solution résultante de sel de métal avec un the resulting solution of metal salt with a
acide organique en présence d'eau et d'un solvant orga- organic acid in the presence of water and an organic solvent
nique non-miscible avec l'eau, tandis qu'on ajoute une is immiscible with water, while
2474338-2474338-
base, et ensuite on isole à partir de la phase organi- basis, and then isolate from the organic phase
que le sel organique de métal résultant. as the resulting organic metal salt.
D'après le Journal of Organic Chemistry 23, According to the Journal of Organic Chemistry 23,
(1958), page 1469, onr, conraît un procédé pour la pré- (1958), page 1469, onr, a process for the preparation of
paration de 2-éthyl-hexanoate cobalteux selon lequel on ajoute de l'hydroxyde de sodium à un mélange d'acide paration of cobaltous 2-ethyl-hexanoate wherein sodium hydroxide is added to an acid mixture
2-éthylhexanoique, d'éther de pétrole et d'eau et en- 2-ethylhexanoic acid, petroleum ether and water and
suite on ajoute une solution aqueuse de surface de co- Afterwards, an aqueous solution of co-surfactant
balt. On agite le mélange et on le laisse se déposer. balt. The mixture is stirred and allowed to settle.
Deux couches se forment et on isole le 2-éthylhexanaote Two layers are formed and the 2-ethylhexanaote is isolated
après séparation des deux couches. Toutefois, le pro- after separation of the two layers. However, the
blème auquel la présente invention donne une solution to which the present invention provides a solution
n'est pas connu d'après cette technique antérieure. is not known from this prior art.
Le présent procédé semble être particulière- The present process seems to be particularly
ment utile pour la récupération d'un catalyseur métalli- useful for the recovery of a metallic catalyst.
que usé qui est utilisé dans un procédé d'hydroformyla- used that is used in a hydroformylation process
tion. Des métaux pouvant être ainsi récupérés sont le tion. Metals that can be recovered are the
fer, le cobalt, le nickel, le ruthénium et l'iridium. iron, cobalt, nickel, ruthenium and iridium.
De préférence, on récupère le cobalt par le Preferably, the cobalt is recovered by the
présent procédé, en raison de sa grande valeur pour uti- this process because of its great value for
lisation dans des systèmes catalytiques d'hydroformyla- in catalytic hydroformylation systems
tion et en raison de son prix relativement élevé.- and because of its relatively high price.
L'acide inorganique avec lequel le métal dé- The inorganic acid with which the metal de-
posé est mis à réagir est choisi de préférence parmi les posed is reacted is preferably selected from
acides chlorhydrique, sulfurique et nitrique. hydrochloric, sulfuric and nitric acids.
Pour des raisons en relation avec la vitesse For reasons related to speed
de dissolution du métal dans les acides inorganiques di- dissolution of the metal in the inorganic acids di-
lués, on utilise de préférence l'acide nitrique. Ainsi, Nitric acid is preferably used. So,
le cobalt se dissout lentement dans l'acide chlorhydri- cobalt dissolves slowly in hydrochloric acid
que ou sulfurique dilué, mais plus rapidement dans l'a- that or sulfuric diluted, but more quickly in the
cie nitrique pour former des composés cobalteux. nitric acid to form cobaltous compounds.
L'acide organioque avec lequel la solution de sel de métal est mise & réagir est de préférence l'acide 2-éthylhexanoîque. On peut utiliser d'autres acides monocarboxyliques synthé'tiques de C7 & C14. Le solvant organique non miscible avec l'eau utilisé est The organoic acid with which the metal salt solution is reacted is preferably 2-ethylhexanoic acid. Other synthetic monocarboxylic acids of C7 & C14 can be used. The organic solvent immiscible with the water used is
de préférence le 2-éthylhexanol. Une raison particu- preferably 2-ethylhexanol. A particular reason
lière est-que si comme système catalytique dans le procédé d'hydroformylation on utilise une solution de 2-éthylhexanoate de cobalt dans le 2-éthylhexanol, aucun changement de solvant n'est nécessaire. Ainsi, le However, if a solution of cobalt-2-ethylhexanoate in 2-ethylhexanol is used as a catalyst system in the hydroformylation process, no change of solvent is required. So, the
2-éthylhexanoate de cobalt récupéré dans le 2-éthyl- Cobalt-2-ethylhexanoate recovered from 2-ethyl-
hexanol peut être introduit directement dans le procédé d'hydroformylationo Le procédé est mis en oeuvre de préférence hexanol can be introduced directly into the hydroformylation process. The process is preferably carried out
à une température comprise entre 50 et 140 C. at a temperature between 50 and 140 C.
La concentration de l'acide inorganique dilué est comprise de préférence entre 10 et 50îz en poids. De préférence, on utilise des quantités stoechiométriques des divers corps en réaction. Une formation d'émulsions ou de matières solides peut se The concentration of the dilute inorganic acid is preferably from 10 to 50% by weight. Stoichiometric amounts of the various reactants are preferably used. Formation of emulsions or solids can occur
produire avec des quantit's non stoechiométriques, cau- produce with non-stoichiometric quantities,
sant une médiocre séparation des phases et réduisant a poor phase separation and reducing
en conséquence le rendement en sel organique de métal. accordingly the yield of organic metal salt.
Pour éviter le risque de formation d'un mé- To avoid the risk of forming a
lange explosif de vapeurs et pour améliorer l'élimina- explosive mixture of vapors and to improve the elimination
tion de l'eau durant le séchage du sel organique de métal (à des températures allant jusqu'à 2000 C), on utilise de préférence une atmosphère inerte d'azote. La base qui est utilisée est de préférence un hydroxyde During the drying of the organic metal salt (at temperatures up to 2000 ° C.), an inert nitrogen atmosphere is preferably used. The base that is used is preferably a hydroxide
de métal alcalin. L'hydroxyde de sodium est particuliè- of alkali metal. Sodium hydroxide is particularly
rement preféré.highly preferred.
La présente invention va maintenant être The present invention will now be
3o décrite encore par r,'f'rence à l'eemrple suivant. 3o further described by reference to the following eemrple.
- EXEIP LE -- EXEIP LE -
Préparation de 2-éthylhexanoate de cobalt Preparation of cobalt 2-ethylhexanoate
Une solution de nitrate de cobalt (équiva- A solution of cobalt nitrate (equiva-
lente à 0,25 mole de cobalt) qui a été préparée en 0.25 mol of cobalt) which has been prepared in
dissolvant des plaLues de nickel déposées dans de l'aci- dissolving nickel deposits deposited in
de nitrique à 25%, en poids à-85 C, de l'acide 2-éthyl- 25% nitric acid, by weight at -85 ° C., of 2-ethyl
hexanoique (0,5 mole) et du 2-éthyl-hexanol (à raison d'une quantité donrnant 10J en poids de cobalt dans la solution organique finale) sont chauffés tandis qu'on agite rapidement à 8G C sous azote. On ajoute lentement Hexanoic acid (0.5 mole) and 2-ethylhexanol (at a yield of 10% by weight of cobalt in the final organic solution) are heated while stirring rapidly at 8 ° C. under nitrogen. We add slowly
(en 0,5 heure environ),de l'hydroxyde de sodium (solu- (in about 0.5 hours), sodium hydroxide (
tion à 25% en poids) jusqu'à ce que le pH soit de 90 On agite le mélange pendant encore 30 minutes et ensuite on le laisse déposer. uand les phases se sont séparées, on élimine par écoulement la phase aqueuse inférieure 25% by weight) until the pH is 90. The mixture is stirred for a further 30 minutes and then allowed to settle. When the phases have separated, the lower aqueous phase is flushed out.
et la phase supérieure organique contenant du 2-éthyl- and the organic upper phase containing 2-ethyl-
hexanoate de cobalt est séchée dans le mrme récipeint à la pression atmosphérique sous azote à 115 Co On filtre cobalt hexanoate is dried in the same recipeint at atmospheric pressure under nitrogen at 115 Co On filter
ensuite le produit.then the product.
Le rendement en 2-éthylhexanoate de cobalt The yield of cobalt 2-ethylhexanoate
est de 99,5%,.is 99.5% ,.
i474338i474338
Claims (9)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8002477A GB2067914B (en) | 1980-01-24 | 1980-01-24 | Process for the recovery of spent metal catalyst deposited in metallic form during a process for the catalyzed conversion of organic compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2474338A1 true FR2474338A1 (en) | 1981-07-31 |
Family
ID=10510877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8101146A Pending FR2474338A1 (en) | 1980-01-24 | 1981-01-22 | PROCESS FOR RECOVERING A METAL CATALYST USE |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS56113347A (en) |
DE (1) | DE3102014A1 (en) |
FR (1) | FR2474338A1 (en) |
GB (1) | GB2067914B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111607023B (en) * | 2020-06-05 | 2022-11-04 | 浙江众立合成材料科技股份有限公司 | Method for removing residual metal catalyst in hydrogenated polymer |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE845798C (en) * | 1942-11-05 | 1952-08-04 | Basf Ag | Process for the extraction of heavy metals from solutions containing them |
US2802846A (en) * | 1955-06-13 | 1957-08-13 | Exxon Research Engineering Co | Preparation of catalyst and fatty acids from oxo process bottoms |
GB928905A (en) * | 1960-11-21 | 1963-06-19 | Standard Oil Co | Oxo process |
FR1394095A (en) * | 1964-01-17 | 1965-04-02 | Monsanto Co | Oxo process with recovery and regeneration of the catalyst |
FR2226208A1 (en) * | 1973-04-20 | 1974-11-15 | Matsuyama Petrochemicals Inc |
-
1980
- 1980-01-24 GB GB8002477A patent/GB2067914B/en not_active Expired
-
1981
- 1981-01-22 JP JP730781A patent/JPS56113347A/en active Pending
- 1981-01-22 FR FR8101146A patent/FR2474338A1/en active Pending
- 1981-01-22 DE DE19813102014 patent/DE3102014A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE845798C (en) * | 1942-11-05 | 1952-08-04 | Basf Ag | Process for the extraction of heavy metals from solutions containing them |
US2802846A (en) * | 1955-06-13 | 1957-08-13 | Exxon Research Engineering Co | Preparation of catalyst and fatty acids from oxo process bottoms |
GB928905A (en) * | 1960-11-21 | 1963-06-19 | Standard Oil Co | Oxo process |
FR1394095A (en) * | 1964-01-17 | 1965-04-02 | Monsanto Co | Oxo process with recovery and regeneration of the catalyst |
FR2226208A1 (en) * | 1973-04-20 | 1974-11-15 | Matsuyama Petrochemicals Inc |
Also Published As
Publication number | Publication date |
---|---|
DE3102014A1 (en) | 1981-12-10 |
GB2067914B (en) | 1983-09-01 |
GB2067914A (en) | 1981-08-05 |
JPS56113347A (en) | 1981-09-07 |
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