BR8501338A - Processo para separacao e recuperacao de rodio dos produtos de oxossintese - Google Patents
Processo para separacao e recuperacao de rodio dos produtos de oxossinteseInfo
- Publication number
- BR8501338A BR8501338A BR8501338A BR8501338A BR8501338A BR 8501338 A BR8501338 A BR 8501338A BR 8501338 A BR8501338 A BR 8501338A BR 8501338 A BR8501338 A BR 8501338A BR 8501338 A BR8501338 A BR 8501338A
- Authority
- BR
- Brazil
- Prior art keywords
- straight
- chain
- carbon atoms
- branched alkyl
- alkyl group
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 abstract 3
- 125000004432 carbon atom Chemical group C* 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 150000007942 carboxylates Chemical class 0.000 abstract 2
- 239000008139 complexing agent Substances 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 230000000536 complexating effect Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 125000001624 naphthyl group Chemical group 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 150000003003 phosphines Chemical class 0.000 abstract 1
- -1 quaternary ammonium ions Chemical class 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 239000010948 rhodium Substances 0.000 abstract 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 abstract 1
- 150000003871 sulfonates Chemical class 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/20—Carbonyls
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—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
- 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
- B01J31/4046—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing noble metals containing rhodium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- C01G55/001—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/048—Recovery of noble metals from waste materials from spent catalysts
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/381—Phosphines, e.g. compounds with the formula PRnH3-n, with n = 0-3
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/009—General processes for recovering metals or metallic compounds from spent catalysts
-
- 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
- B01J2540/00—Compositional aspects of coordination complexes or ligands in catalyst systems
- B01J2540/30—Non-coordinating groups comprising sulfur
- B01J2540/32—Sulfonic acid groups 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
- B01J2540/00—Compositional aspects of coordination complexes or ligands in catalyst systems
- B01J2540/60—Groups characterized by their function
- B01J2540/64—Solubility enhancing groups
-
- 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
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0244—Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
-
- 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
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Saccharide Compounds (AREA)
- Extraction Or Liquid Replacement (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3411034A DE3411034A1 (de) | 1984-03-26 | 1984-03-26 | Verfahren zur rueckgewinnung von rhodium aus reaktionsprodukten der oxosynthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8501338A true BR8501338A (pt) | 1985-11-19 |
Family
ID=6231615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8501338A BR8501338A (pt) | 1984-03-26 | 1985-03-25 | Processo para separacao e recuperacao de rodio dos produtos de oxossintese |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0156253B1 (Direct) |
| JP (1) | JPS60212233A (Direct) |
| KR (1) | KR890002153B1 (Direct) |
| AT (1) | ATE55280T1 (Direct) |
| AU (1) | AU566540B2 (Direct) |
| BR (1) | BR8501338A (Direct) |
| CS (1) | CS274653B2 (Direct) |
| DE (2) | DE3411034A1 (Direct) |
| ES (1) | ES8608529A1 (Direct) |
| HU (1) | HU198214B (Direct) |
| PL (1) | PL149283B1 (Direct) |
| RO (1) | RO90827B (Direct) |
| SU (1) | SU1333232A3 (Direct) |
| ZA (1) | ZA852052B (Direct) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3443474A1 (de) * | 1984-11-29 | 1986-05-28 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur rueckgewinnung von rhodium aus reaktionsprodukten der oxosynthese |
| US4716250A (en) * | 1986-07-10 | 1987-12-29 | Union Carbide Corporation | Hydroformylation using low volatile/organic soluble phosphine ligands |
| US4731486A (en) * | 1986-11-18 | 1988-03-15 | Union Carbide Corporation | Hydroformylation using low volatile phosphine ligands |
| DE3822037A1 (de) * | 1988-06-30 | 1990-01-04 | Hoechst Ag | Verfahren zur abtrennung und wiedergewinnung von rhodium aus den produkten der oxosynthese |
| US4935550A (en) * | 1988-08-12 | 1990-06-19 | Union Carbide Chemicals And Plastics Company Inc. | Catalytic metal recovery from non-polar organic solutions |
| US5114473A (en) * | 1988-08-25 | 1992-05-19 | Union Carbide Chemicals And Plastics Technology Corporation | Transition metal recovery |
| DE3903909A1 (de) * | 1989-02-10 | 1990-08-16 | Hoechst Ag | Verfahren zur entfernung metallischer korrosionsprodukte aus einer bei der carbonylierung von methanol und/oder methylacetat und/oder dimethylether anfallenden, verunreinigten katalysatorloesung |
| US5099047A (en) * | 1989-11-17 | 1992-03-24 | Mitsubishi Kasei Corporation | Method for recovering a group viii metal solid complex and hydroformylation method |
| DE4135049A1 (de) * | 1991-10-24 | 1993-05-06 | Hoechst Ag, 6230 Frankfurt, De | Verfahren zur rueckgewinnung von rhodium aus den reaktionsprodukten der oxosynthese |
| DE4427428A1 (de) | 1994-08-03 | 1996-02-29 | Basf Ag | Verfahren zur Herstellung von Aldehyden |
| DE19940250B4 (de) * | 1999-08-25 | 2005-06-16 | Celanese Chemicals Europe Gmbh | Verfahren zur Regenerierung gebrauchter wasserlöslicher Hydroformylierungskatalysatoren |
| DE19940249A1 (de) * | 1999-08-25 | 2001-03-01 | Celanese Chem Europe Gmbh | Verfahren zur Herstellung von Aldehyden |
| DE10005084C1 (de) * | 2000-02-04 | 2001-09-13 | Celanese Chem Europe Gmbh | Verfahren zur Wiedergewinnung von Rhodium aus Reaktionsprodukten der Oxosynthese |
| FR2813305B1 (fr) * | 2000-08-23 | 2004-02-13 | Inst Francais Du Petrole | Procede ameliore d'hydroformylation mettant en oeuvre un catalyseur a base de cobalt et/ou de rhodium dans un solvant ionique non aqueux |
| FR2838431B1 (fr) | 2002-04-11 | 2005-05-06 | Inst Francais Du Petrole | Procede d'hydroformylation mettant en oeuvre un catalyseur a base de cobalt dans un liquide ionique non-aqueux avec un recyclage du catalyseur ameliore |
| CN102336638A (zh) * | 2011-07-20 | 2012-02-01 | 南京荣欣化工有限公司 | 一种乙烯氢甲酰化生产丙醛工艺的方法 |
| EP3893264A1 (en) | 2020-04-06 | 2021-10-13 | ASML Netherlands B.V. | Charged particle assessment tool, inspection method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248802A (en) * | 1975-06-20 | 1981-02-03 | Rhone-Poulenc Industries | Catalytic hydroformylation of olefins |
| US4292196A (en) * | 1979-12-10 | 1981-09-29 | Uop Inc. | Catalyst recovery |
| GB2085874B (en) * | 1980-09-04 | 1984-08-08 | Johnson Matthey Plc | Hydroformylation of olefins |
-
1984
- 1984-03-26 DE DE3411034A patent/DE3411034A1/de active Granted
-
1985
- 1985-02-25 ES ES540668A patent/ES8608529A1/es not_active Expired
- 1985-02-27 KR KR1019850001226A patent/KR890002153B1/ko not_active Expired
- 1985-03-14 AT AT85102915T patent/ATE55280T1/de not_active IP Right Cessation
- 1985-03-14 DE DE8585102915T patent/DE3579018D1/de not_active Expired - Fee Related
- 1985-03-14 EP EP19850102915 patent/EP0156253B1/de not_active Expired - Lifetime
- 1985-03-15 SU SU853864247A patent/SU1333232A3/ru active
- 1985-03-15 RO RO118005A patent/RO90827B/ro unknown
- 1985-03-18 CS CS189885A patent/CS274653B2/cs unknown
- 1985-03-19 PL PL1985252444A patent/PL149283B1/pl unknown
- 1985-03-19 ZA ZA852052A patent/ZA852052B/xx unknown
- 1985-03-20 HU HU851025A patent/HU198214B/hu not_active IP Right Cessation
- 1985-03-20 JP JP60054757A patent/JPS60212233A/ja active Granted
- 1985-03-25 BR BR8501338A patent/BR8501338A/pt not_active IP Right Cessation
- 1985-03-25 AU AU40351/85A patent/AU566540B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| RO90827B (ro) | 1987-01-31 |
| PL252444A1 (en) | 1986-02-25 |
| ATE55280T1 (de) | 1990-08-15 |
| DE3411034A1 (de) | 1985-09-26 |
| KR850006995A (ko) | 1985-10-30 |
| JPH0356095B2 (Direct) | 1991-08-27 |
| AU4035185A (en) | 1985-10-03 |
| ES8608529A1 (es) | 1986-08-01 |
| SU1333232A3 (ru) | 1987-08-23 |
| DE3579018D1 (de) | 1990-09-13 |
| EP0156253A3 (en) | 1987-10-21 |
| CS274653B2 (en) | 1991-09-15 |
| DE3411034C2 (Direct) | 1992-08-06 |
| RO90827A (ro) | 1987-01-30 |
| EP0156253A2 (de) | 1985-10-02 |
| AU566540B2 (en) | 1987-10-22 |
| EP0156253B1 (de) | 1990-08-08 |
| PL149283B1 (en) | 1990-01-31 |
| JPS60212233A (ja) | 1985-10-24 |
| ZA852052B (en) | 1985-11-27 |
| HU198214B (en) | 1989-08-28 |
| CS189885A2 (en) | 1991-02-12 |
| KR890002153B1 (ko) | 1989-06-21 |
| ES540668A0 (es) | 1986-08-01 |
| HUT39704A (en) | 1986-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU566540B2 (en) | Recovery of rhodium from oxo synthesis product | |
| ES8705844A1 (es) | Un procedimiento para la preparacion de esteres del acido citrico | |
| BR9003451A (pt) | Processo para a recuperacao de elementos de terras raras a partir de uma solucao aquosa de acido sulfuroso contendo valores de terras raras | |
| KR860009023A (ko) | 치환된 실릴기를 갖는 신규 에테르 화합물의 제조방법 | |
| BR8502451A (pt) | Processo para a preparacao de aldeidos | |
| GB1470712A (en) | Oxyalkylated amine derivatives and their use as amphoteric surface active agnets | |
| BR9002509A (pt) | Processo para extracao de metais | |
| ATA473782A (de) | Verfahren zum herstellen von lauge durch elektrolysieren einer alkalimetallsalzloesung | |
| IT1213506B (it) | Anodo permanente per il recupero di metalli dsa soluzioni acide fluocomplesse. | |
| FR2401229B1 (fr) | Procede de recuperation des ions de metaux lourds d'une solution aqueuse diluee | |
| DE3581600D1 (de) | Verfahren zur rueckgewinnung von rhodium aus reaktionsprodukten der oxosynthese. | |
| KR850005830A (ko) | 2-알콕시아미노설포닐벤젠-설포닐우레아의 제조방법 | |
| GB1532743A (en) | Quinoxalines and their use in photographic processes | |
| BR8501395A (pt) | Processo para elaboracao de oxalato de sodio impurificado,obtido por decomposicao de bauxita | |
| BR7805611A (pt) | Processo para purificar uma solucao aquosa de um halogeneto de metal alcalino para eletrolise | |
| ATE16996T1 (de) | Verfahren zur alkylierung von halogenierten und/oder trifluormethylierten benzolabkoemmlingen. | |
| KR830001644A (ko) | 아릴알킬-및 아릴옥시알킬포스포네이트의 제조방법 | |
| SE8004935L (sv) | Prostaglandiner och forfarande for framstellning derav | |
| JPS5490160A (en) | Alpha,alpha-disubstituted-benzylcyanide derivatives | |
| IL63008A0 (en) | Hydrocarbon soluble sodium alkyls and their manufacture | |
| KR840007010A (ko) | 설타미실린 및 동족체의 제조방법 | |
| SU773174A1 (ru) | Флотреагент дл очистки книжно- журнальной макулатуры от печатной краски | |
| BR8501396A (pt) | Processo para elaboracao de oxalato de sodio impurificado,obtido por decomposicao de bauxita | |
| FR2343726A1 (fr) | Sels metalliques stabilises de l'acide ethylene bis dithiocarbamique, procede de preparation et compositions les contenant | |
| JPS52151123A (en) | Aliphatic compounds having sulfinyl group and sulfonyl group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 25/03/2000 |