CA1214334A - Method for the recovery of silver from waste photographic fixer solutions - Google Patents

Method for the recovery of silver from waste photographic fixer solutions

Info

Publication number
CA1214334A
CA1214334A CA000439300A CA439300A CA1214334A CA 1214334 A CA1214334 A CA 1214334A CA 000439300 A CA000439300 A CA 000439300A CA 439300 A CA439300 A CA 439300A CA 1214334 A CA1214334 A CA 1214334A
Authority
CA
Canada
Prior art keywords
solution
silver
sodium hypochlorite
oxidation
fixer
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
CA000439300A
Other languages
English (en)
French (fr)
Inventor
Franz A. Posey
Aloysius A. Palko
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.)
United States Department of Energy
Original Assignee
United States Department of Energy
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 United States Department of Energy filed Critical United States Department of Energy
Application granted granted Critical
Publication of CA1214334A publication Critical patent/CA1214334A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C22B7/008—Wet processes by an alkaline or ammoniacal leaching
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA000439300A 1982-12-13 1983-10-19 Method for the recovery of silver from waste photographic fixer solutions Expired CA1214334A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/449,312 US4445935A (en) 1982-12-13 1982-12-13 Method for the recovery of silver from waste photographic fixer solutions
US449,312 1982-12-13

Publications (1)

Publication Number Publication Date
CA1214334A true CA1214334A (en) 1986-11-25

Family

ID=23783701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000439300A Expired CA1214334A (en) 1982-12-13 1983-10-19 Method for the recovery of silver from waste photographic fixer solutions

Country Status (5)

Country Link
US (1) US4445935A (enExample)
JP (1) JPS59113133A (enExample)
CA (1) CA1214334A (enExample)
DE (1) DE3345022A1 (enExample)
GB (1) GB2133807B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440086A1 (de) * 1984-11-02 1986-05-15 Hoechst Ag, 6230 Frankfurt Verfahren zur rueckgewinnung von edelmetallen aus ihren cyanidkomplexen
US5064466A (en) * 1989-01-19 1991-11-12 Hilton Davis B Non-toxic process for recovery of photographic silver
GB8909577D0 (en) * 1989-04-26 1989-06-14 Kodak Ltd A method of recovering silver from photographic processing solutions
US5961879A (en) * 1995-05-16 1999-10-05 Procter & Gamble Company Process for the manufacture of hypochlorite bleaching compositions
EP0743280A1 (en) * 1995-05-16 1996-11-20 The Procter & Gamble Company Process for the manufacture of hypochlorite bleaching compositions
GB2313923B (en) * 1996-06-07 2000-03-29 Kodak Ltd Improvements in or relating to photographic processing apparatus
AUPS334402A0 (en) * 2002-07-02 2002-07-25 Commonwealth Scientific And Industrial Research Organisation Process for recovering precious metals
DE102007061806A1 (de) * 2007-12-19 2009-06-25 Mettler-Toledo Ag Verfahren zur Regeneration amperometrischer Sensoren
CN104884193B (zh) 2012-08-30 2017-03-08 康宁股份有限公司 不含溶剂的银合成及由此制备的银产物
EP2890822A1 (en) 2012-08-31 2015-07-08 Corning Incorporated Low-temperature dispersion-based syntheses of silver and silver products produced thereby
CN104755639B (zh) 2012-08-31 2017-12-15 康宁股份有限公司 银回收方法和由此制备的银产物
EP3156508A1 (en) * 2015-10-16 2017-04-19 Vito NV Recovery process for metal-containing byproducts of metal production and processing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB619283A (en) * 1946-11-29 1949-03-07 Harold Owen Dickinson Improvements in or relating to the production of colloidal silver
GB1079615A (en) * 1965-12-30 1967-08-16 Charles Davidoff Silver recovery process
US3594157A (en) * 1969-08-19 1971-07-20 Eastman Kodak Co Alkaline chlorination of waste photographic processing solutions containing silver
DE2122415A1 (de) * 1971-05-06 1972-11-16 Gockel, Hans, 7000 Stuttgart-Feuerbach Verfahren zum Entgiften, Klären und Wiedergewinnen von Metallsalzen aus Abwässern und Restkonzentraten durch Reduktion bis zu den Metallen mittels Hydrosulfit konz. (Natriumdithionit) oder Hydrazin bei gleichzeitiger Anwendung eines Impfstoffes und Sedimentationsbeschleunigers zur Verkürzung der Ausfällzeit und Reduzierung des Schlammvolumens
DE2520219C3 (de) * 1975-05-07 1983-02-24 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Formaldehyd

Also Published As

Publication number Publication date
GB8327797D0 (en) 1983-11-16
GB2133807B (en) 1985-09-25
GB2133807A (en) 1984-08-01
DE3345022A1 (de) 1984-06-14
JPS59113133A (ja) 1984-06-29
JPH0478692B2 (enExample) 1992-12-11
US4445935A (en) 1984-05-01

Similar Documents

Publication Publication Date Title
US5288728A (en) Process for recovering silver from photographic solutions
EP0139622A1 (en) A method for purifying aqueous solutions
US4445935A (en) Method for the recovery of silver from waste photographic fixer solutions
US5401296A (en) Precious metal extraction process
GB1603325A (en) Reduction of material in aqueous solution
WO1981002569A1 (en) A method of purifying waste aqueous solutions from heavy metals
EP0355418B1 (en) Process for the treatment of effluents containing cyanide and toxid metals, using hydrogen peroxide and trimercaptotriazine
USH1852H (en) Waste treatment of metal plating solutions
EP0548107B1 (en) Treatment of photographic effluents
US4428840A (en) Anionic and cationic removal of copper from cyanide-containing wastewater
AU695956B1 (en) Process for extracting and recovering silver
US5162106A (en) Photographic fixer regeneration
US3764528A (en) Process for removal of soluble mercury residues from aqueous process streams
EP0565518B1 (en) Photographic fixer regeneration
US5244777A (en) Method of recovering silver from photographic processing solutions
US6358424B1 (en) Process for removing cyanide ion from cadmium plating rinse waters
JPH0475285B2 (enExample)
US4324666A (en) Method of removing ferrocyanide ions from rinse water of an alkaline cyanide metal plating process
US5997719A (en) Electrochemical process for refining platinum group metals with ammonium chloride electrocyte
CA2033788C (en) Silver recovery from spent photographic solutions
US2205792A (en) Recovery of silver from spent photographic solutions
EP0880726B1 (en) Regeneration of spent fixer solution
JP2619892B2 (ja) 貴金属の回収方法
RU2046763C1 (ru) Способ очистки сточных вод кинофотопроизводств от ионов серебра
EP1264801A2 (en) Reduction process

Legal Events

Date Code Title Description
MKEX Expiry