[go: up one dir, main page]

FR1140891A - Process for removing impurities from precious metals - Google Patents

Process for removing impurities from precious metals

Info

Publication number
FR1140891A
FR1140891A FR1140891DA FR1140891A FR 1140891 A FR1140891 A FR 1140891A FR 1140891D A FR1140891D A FR 1140891DA FR 1140891 A FR1140891 A FR 1140891A
Authority
FR
France
Prior art keywords
precious metals
removing impurities
precious
impurities
metals
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.)
Expired
Application number
Other languages
French (fr)
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.)
Universal Oil Products Co
Original Assignee
Universal Oil Products Co
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 Universal Oil Products Co filed Critical Universal Oil Products Co
Application granted granted Critical
Publication of FR1140891A publication Critical patent/FR1140891A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/04Obtaining noble metals by wet processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR1140891D 1955-12-06 1955-12-06 Process for removing impurities from precious metals Expired FR1140891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1140891T 1955-12-06

Publications (1)

Publication Number Publication Date
FR1140891A true FR1140891A (en) 1957-08-20

Family

ID=9642323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140891D Expired FR1140891A (en) 1955-12-06 1955-12-06 Process for removing impurities from precious metals

Country Status (1)

Country Link
FR (1) FR1140891A (en)

Similar Documents

Publication Publication Date Title
FR1147817A (en) Method for attacking titaniferous ores
FR1144500A (en) Process for the production of refractory metals
FR1140891A (en) Process for removing impurities from precious metals
FR1229599A (en) Process for the production of partially substituted carbonyl metals
FR1116396A (en) Process for treating metals
AT201087B (en) Process for refining molten metal baths
FR1151416A (en) Metal refining process
FR1161131A (en) Mechanical-chemical process for the treatment of molten metals
AU208999B2 (en) Process for removing impurities from precious metals
FR1181356A (en) Process for removing sulfur from metals
FR1139091A (en) Process for the separation of isotopes
FR1156011A (en) Process for recovering nickel from ores
FR1091944A (en) Process for precipitating metals from solutions
FR1084216A (en) Process for removing lead from copper alloys
FR1169148A (en) Process for refining metals
FR1137115A (en) Process for removing arsenic from manganese ores
FR1150224A (en) Process for removing dyes
FR1329552A (en) Process for dividing metals
GB826864A (en) An apparatus for removing impurities from molten metal by centrifugation
FR1074179A (en) Purification process for metal alloys
FR1140610A (en) Process for separating acetylene from gas mixtures
FR1179174A (en) Process for treating residues from the production of copper alloys
FR1213475A (en) Process for removing metallic impurities from hydrocarbon oils
FR1136692A (en) Process to unclog filters
FR1116700A (en) Process for continuous metal casting