JPS57166324A - Method of collecting noble metals from residue of carbonylation employing noble metal catalysts - Google Patents

Method of collecting noble metals from residue of carbonylation employing noble metal catalysts

Info

Publication number
JPS57166324A
JPS57166324A JP57035704A JP3570482A JPS57166324A JP S57166324 A JPS57166324 A JP S57166324A JP 57035704 A JP57035704 A JP 57035704A JP 3570482 A JP3570482 A JP 3570482A JP S57166324 A JPS57166324 A JP S57166324A
Authority
JP
Japan
Prior art keywords
carbonylation
residue
metal catalysts
collecting
employing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP57035704A
Other languages
English (en)
Other versions
JPS6111893B2 (ja
Inventor
Shii Dabitsudoson Uorutaa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Halcon International Inc
Original Assignee
Halcon International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Halcon International Inc filed Critical Halcon International Inc
Publication of JPS57166324A publication Critical patent/JPS57166324A/ja
Publication of JPS6111893B2 publication Critical patent/JPS6111893B2/ja
Granted legal-status Critical Current

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
    • 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
    • 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
    • B01J31/16—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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208—Oxygen, e.g. acetylacetonates
    • B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
    • B01J31/2234—Beta-dicarbonyl ligands, e.g. acetylacetonates
    • 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
    • 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
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • 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
    • 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
    • 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
    • C01G55/005—Halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/36—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
    • C07C67/37—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates by reaction of ethers with carbon monoxide
    • 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
    • C22B3/28—Amines
    • C22B3/282—Aliphatic amines
    • 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
    • C22B3/32—Carboxylic acids
    • 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
    • B01J2231/34—Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group 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
    • 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
    • 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
    • B01J2531/822—Rhodium
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/08—Halides
    • 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
    • B01J31/0237—Amines
    • 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)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
JP57035704A 1981-03-06 1982-03-06 Method of collecting noble metals from residue of carbonylation employing noble metal catalysts Granted JPS57166324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/241,181 US4340570A (en) 1981-03-06 1981-03-06 Recovery of rhodium from carbonylation residues

Publications (2)

Publication Number Publication Date
JPS57166324A true JPS57166324A (en) 1982-10-13
JPS6111893B2 JPS6111893B2 (ja) 1986-04-05

Family

ID=22909592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57035704A Granted JPS57166324A (en) 1981-03-06 1982-03-06 Method of collecting noble metals from residue of carbonylation employing noble metal catalysts

Country Status (8)

Country Link
US (1) US4340570A (ja)
JP (1) JPS57166324A (ja)
BE (1) BE892367A (ja)
DE (1) DE3208061C2 (ja)
FR (1) FR2501066B1 (ja)
GB (1) GB2094285B (ja)
IT (1) IT1148116B (ja)
NL (1) NL8200917A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388217A (en) * 1980-11-24 1983-06-14 Eastman Kodak Company Process for the recovery of catalyst values
US4476237A (en) * 1981-05-28 1984-10-09 The Halcon Sd Group, Inc. Separation of tars from carbonylation reaction mixtures
US4476238A (en) * 1981-05-28 1984-10-09 The Halcon Sd Group, Inc. Separation of tars from carbonylation reaction mixtures
US4364907A (en) * 1981-06-18 1982-12-21 Eastman Kodak Company Process for recovery of rhodium values
US4434240A (en) 1981-11-16 1984-02-28 The Halcon Sd Group, Inc. Recovery of noble metal values from carbonylation residues
DE3320630A1 (de) * 1983-06-08 1985-02-21 Hoechst Ag, 6230 Frankfurt Verfahren zur rueckgewinnung von edelmetallen der gruppe viii des periodensystems der elemente aus der bei der carbonylierung von methylacetat und/oder dimethylether anfallenden verunreinigten katalysatorloesung
US4578368A (en) * 1985-05-06 1986-03-25 Eastman Kodak Company Catalyst recovery process
US4659682A (en) * 1985-07-08 1987-04-21 The Halcon Sd Group, Inc. Recovery of noble metal values from carbonylation residues
DE3744213A1 (de) * 1987-12-24 1989-07-06 Ruhrchemie Ag Verfahren zur rueckgewinnung von rhodium aus rhodiumkomplexverbindungen enthaltenden waessrigen loesungen
DE4140062A1 (de) * 1991-12-05 1993-06-09 Hoechst Ag, 6230 Frankfurt, De Verfahren zur aufarbeitung rhodiumverbindungen, derivate organischer phosphine und weitere verunreinigungen geloest enthaltender abwaesser
GB9218346D0 (en) * 1992-08-28 1992-10-14 Bp Chem Int Ltd Process
CZ283697A3 (cs) * 1996-09-11 1998-04-15 Mitsubishi Chemical Corporation Způsob přípravy roztoku komplexu rhodia a jeho použití
GB9806527D0 (en) 1998-03-26 1998-05-27 Bp Chem Int Ltd Process
EP1157740A3 (en) * 2000-05-18 2002-02-27 Haldor Topsoe A/S Rhodium containing solutions
TW201209034A (en) 2010-08-31 2012-03-01 China Petrochemical Dev Corp Production method for carboxylic acid anhydride
DE102023106229A1 (de) 2023-03-13 2024-09-19 Instraction Gmbh Rückgewinnung von Palladium aus wässrig-organischer Lösung

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839580A (en) * 1956-01-11 1958-06-17 Exxon Research Engineering Co Preparation of diethyl ketone
NL98500C (ja) * 1956-01-11
DE1226551B (de) * 1964-12-28 1966-10-13 Basf Ag Verfahren zur Gewinnung von Palladium-verbindungen durch Extraktion
US3420873A (en) * 1966-10-11 1969-01-07 Union Oil Co Oxidative carbonylation and catalyst recovery
US3539634A (en) * 1967-11-09 1970-11-10 Union Oil Co Recovery of catalyst in oxo process
US3547964A (en) * 1968-07-24 1970-12-15 Union Oil Co Group viii noble metal catalyst recovery
US3579552A (en) * 1968-08-15 1971-05-18 Monsanto Co Production of carboxylic acids
US3560539A (en) * 1968-08-21 1971-02-02 Union Oil Co Selective catalyst recovery
US3857895A (en) * 1969-05-12 1974-12-31 Union Oil Co Recovery of catalyst complexes
DE1954315C3 (de) * 1969-10-29 1975-08-14 Basf Ag, 6700 Ludwigshafen Verfahren zur Abtrennung von Metallcarbonylkatalysatoren aus Oxoreaktionsge mischen
US3821311A (en) * 1970-05-21 1974-06-28 Celanese Corp Production of aldehydes from olefins
US3641076A (en) * 1970-08-24 1972-02-08 Union Oil Co Catalyst recovery
DE2045416C3 (de) * 1970-09-15 1979-10-25 Basf Ag, 6700 Ludwigshafen Verfahren zur Elution von Rhodium, das als Rhodiumcarbonylat auf einem basischen Ionenaustauscher gebunden ist
ZA72308B (en) * 1972-01-18 1973-09-26 Nat Inst Metallurg Improved process for the separation and purification of platinum group metals and gold
JPS535879B2 (ja) * 1973-08-14 1978-03-02
US3901822A (en) * 1973-11-14 1975-08-26 Fmc Corp Process of regenerating a noble metal hydrogenation catalyst used in hydrogen peroxide production by the anthraquinone process
US3899442A (en) * 1974-01-31 1975-08-12 Us Agriculture Recovery and reactivation of rhodium hydroformylation catalysts
DE2448005C2 (de) * 1974-10-09 1983-10-20 Basf Ag, 6700 Ludwigshafen Verfahren zur Regenerierung von Rhodium oder Iridium enthaltenden Katalysatoren aus Destillationsrückständen von Hydroformylierungsgemischen
US4115444A (en) * 1975-03-10 1978-09-19 Halcon International, Inc. Process for preparing carboxylic acid anhydrides
US3978148A (en) * 1975-07-21 1976-08-31 E. I. Du Pont De Nemours And Company Process for removal of rhodium compounds from process streams
US4188363A (en) * 1976-08-19 1980-02-12 Bayer Aktiengesellschaft Recovery of rhodium complex catalysts homogeneously dissolved in organic media
US4164481A (en) * 1978-01-27 1979-08-14 The Dow Chemical Company Process of regenerating a noble metal catalyst used in the reduction of organic nitro compounds
US4251458A (en) * 1979-10-02 1981-02-17 Halcon Research And Development Corporation Process for preparing carboxylic acid anhydrides

Also Published As

Publication number Publication date
GB2094285B (en) 1985-04-03
FR2501066A1 (fr) 1982-09-10
FR2501066B1 (fr) 1985-07-26
NL8200917A (nl) 1982-10-01
IT1148116B (it) 1986-11-26
BE892367A (fr) 1982-09-06
DE3208061A1 (de) 1982-11-11
GB2094285A (en) 1982-09-15
DE3208061C2 (de) 1984-11-08
JPS6111893B2 (ja) 1986-04-05
IT8247935A0 (it) 1982-03-05
US4340570A (en) 1982-07-20

Similar Documents

Publication Publication Date Title
JPS57166324A (en) Method of collecting noble metals from residue of carbonylation employing noble metal catalysts
EP0066436A3 (en) A method of recovering a catalytic metal
JPS5727132A (en) Precious metal-base metal alloy catalyst
IL57702A (en) Method of making noble metal-refractory metal alloy catalysts
AU531275B2 (en) Method of recovering volatile metals from metal oxides
GB8428028D0 (en) Recovery of metal catalyst residues
GB2110655B (en) Recovery of noble metal values from carbonylation residues
GB2094284B (en) Recovery of rhodium from carbonylation residues
GB2181421B (en) Process for the recovery of noble metals from ore-concentrates
DE3279625D1 (en) Recovery of platinum group metals from scrap and residues
JPS57158727A (en) Treatment of residue obtained from carbonylation reaction employing noble metals as catalyst
SG45347A1 (en) Recovery of precious metals from catalyst residue
GB2085747B (en) Method for the recovery of group viii noble metal solid complexes
JPS57197037A (en) Selective removal of tar formed during carbonyl reaction using noble metal catalyst
ZA82479B (en) Recovery of precious metals
DE3469185D1 (en) A process for recovering metal values from alloy scraps
DE3365627D1 (en) Process for recovering noble metals from solutions
DE3279726D1 (en) Recovery of precious metals from leach residues
PT72862A (en) Process for recovering metals from metal salt solutions
DE3261569D1 (en) Method of recovering heavy metals
JPS57203784A (en) Electrolytic cell for obtaining metals from metal halides
GB2101158B (en) Recovering metals from solutions
IT1151921B (it) Metodo per separare metalli da leghe
DE3563543D1 (en) Process for recovering noble metals from their cyanides
AU541521B2 (en) Obtaining metals from vapour using molten pool of collecting metal