DE69224046T2 - Element zur Rückgewinnung von Silber und Verfahren - Google Patents

Element zur Rückgewinnung von Silber und Verfahren

Info

Publication number
DE69224046T2
DE69224046T2 DE1992624046 DE69224046T DE69224046T2 DE 69224046 T2 DE69224046 T2 DE 69224046T2 DE 1992624046 DE1992624046 DE 1992624046 DE 69224046 T DE69224046 T DE 69224046T DE 69224046 T2 DE69224046 T2 DE 69224046T2
Authority
DE
Germany
Prior art keywords
recovery element
silver recovery
silver
recovery
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 - Fee Related
Application number
DE1992624046
Other languages
English (en)
Other versions
DE69224046D1 (de
Inventor
Hugh Mcguckin
John Badger
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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
Priority claimed from US07/900,810 external-priority patent/US5310629A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69224046D1 publication Critical patent/DE69224046D1/de
Application granted granted Critical
Publication of DE69224046T2 publication Critical patent/DE69224046T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/31—Regeneration; Replenishers
    • 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
    • C22B11/046—Recovery of noble metals from waste materials from manufactured products, e.g. from printed circuit boards, from photographic films, paper or baths
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Sorption (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
DE1992624046 1991-06-28 1992-06-25 Element zur Rückgewinnung von Silber und Verfahren Expired - Fee Related DE69224046T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US72431091A 1991-06-28 1991-06-28
US07/900,810 US5310629A (en) 1991-06-28 1992-06-17 Silver recovery element and method
PCT/US1992/005384 WO1993000609A1 (en) 1991-06-28 1992-06-25 Silver recovery element and method

Publications (2)

Publication Number Publication Date
DE69224046D1 DE69224046D1 (de) 1998-02-19
DE69224046T2 true DE69224046T2 (de) 1998-10-15

Family

ID=27110959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992624046 Expired - Fee Related DE69224046T2 (de) 1991-06-28 1992-06-25 Element zur Rückgewinnung von Silber und Verfahren

Country Status (4)

Country Link
EP (1) EP0546159B1 (de)
CA (1) CA2090232C (de)
DE (1) DE69224046T2 (de)
WO (1) WO1993000609A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240617A (en) * 1979-10-25 1980-12-23 B. R. MacKay & Sons. Inc. Ultra low volume processing of and cartridge for photographic fixer solution to recover silver therefrom
GB8502579D0 (en) * 1985-02-01 1985-03-06 Kodak Ltd Liquid chemical mixing method
US4882056A (en) * 1988-04-01 1989-11-21 Pall Corporation Fluid filter element with an overlapped wrap
US5026029A (en) * 1989-10-13 1991-06-25 David Peterson Silver controller
US5004212A (en) * 1990-01-29 1991-04-02 E. I. Du Pont De Nemours And Company Apparatus with improved flow-through characteristics for the recovery of silver from silver-containing waste fluids

Also Published As

Publication number Publication date
DE69224046D1 (de) 1998-02-19
EP0546159B1 (de) 1998-01-14
CA2090232A1 (en) 1992-12-29
WO1993000609A1 (en) 1993-01-07
EP0546159A1 (de) 1993-06-16
CA2090232C (en) 1997-02-25

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee