IN169924B - - Google Patents

Info

Publication number
IN169924B
IN169924B IN840/CAL/87A IN840CA1987A IN169924B IN 169924 B IN169924 B IN 169924B IN 840CA1987 A IN840CA1987 A IN 840CA1987A IN 169924 B IN169924 B IN 169924B
Authority
IN
India
Application number
IN840/CAL/87A
Other languages
English (en)
Inventor
James Everett Williams
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of IN169924B publication Critical patent/IN169924B/en

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
    • 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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Treatment Of Sludge (AREA)
IN840/CAL/87A 1986-10-31 1987-10-27 IN169924B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/925,296 US4740244A (en) 1986-10-31 1986-10-31 Process for recovery of silver from spent, waste, acidic processing fluids

Publications (1)

Publication Number Publication Date
IN169924B true IN169924B (sv) 1992-01-11

Family

ID=25451522

Family Applications (1)

Application Number Title Priority Date Filing Date
IN840/CAL/87A IN169924B (sv) 1986-10-31 1987-10-27

Country Status (7)

Country Link
US (1) US4740244A (sv)
EP (1) EP0265940A3 (sv)
JP (1) JPS63128137A (sv)
AU (1) AU576705B2 (sv)
CA (1) CA1303859C (sv)
IN (1) IN169924B (sv)
NO (1) NO874522L (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874530A (en) * 1986-12-05 1989-10-17 Knica Corporation Method for treating photographic processing waste solution
WO1989005866A1 (en) * 1987-12-15 1989-06-29 Systratec Services Pty. Ltd. Metal recovery process
US4881973A (en) * 1988-02-01 1989-11-21 E. I. Du Pont De Nemours And Company Life silver recovery system
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
DK163297C (da) * 1990-02-08 1992-07-06 Eskofot As Fremgangsmaade og apparat til fjernelse af soelv i form af soelvsulfid fra en fotografisk vaeske ved bestraaling og udfaeldning
AU8201791A (en) * 1990-06-27 1992-01-23 Cal Glass Environmental Systems, Inc. Waste materials concentrator
US5445714A (en) * 1990-06-27 1995-08-29 Eco Stills, Inc. Waste materials concentrator
DE4100741A1 (de) * 1991-01-12 1992-07-16 Basf Ag Verfahren zur abtrennung von edleren metallionen als eisen aus prozess- und abwaessern
US5133873A (en) * 1991-02-22 1992-07-28 Miles Inc. Process for removal of copper ions from aqueous effluent
US5288728A (en) * 1992-09-17 1994-02-22 Eastman Kodak Company Process for recovering silver from photographic solutions
US5431825A (en) * 1992-10-29 1995-07-11 Chemical Waste Management, Inc. Method for the reduction and stabilization of metals
US5458024A (en) * 1994-06-07 1995-10-17 Trebla Chemical Company Apparatus and method for recovery of silver
US5472176A (en) * 1994-07-01 1995-12-05 Fabrikan Company Silver recovery device
US5641452A (en) * 1995-11-15 1997-06-24 United Resource Recovery Corporation Device for recovering silver from fluids and process using same
GB9623337D0 (en) 1996-11-08 1997-01-08 Markessinis Andreas Water treatment process
US6145468A (en) * 1998-10-19 2000-11-14 Woog; Manfred J. Silver indicator methods and test kit
US6290897B1 (en) 2000-01-24 2001-09-18 Eker Y. Chen Pumpless silver recovery system
CN100393898C (zh) * 2003-09-24 2008-06-11 苏州大学 从含银废液中回收银的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2216765A (en) * 1939-02-24 1940-10-08 Nat Electric Prod Corp Electrical lamp connection
US2905323A (en) * 1956-02-28 1959-09-22 Fairview Photo Service Inc Apparatus for recovery of silver from spent photographic solutions
US3043432A (en) * 1960-01-12 1962-07-10 Fairco Reclaiming Service Apparatus for recovery of silver from spent photographic solutions
US3369801A (en) * 1965-11-10 1968-02-20 Eastman Kodak Co Silver recovery unit
AU428478B2 (en) * 1968-07-29 1972-09-25 Silver Recovery Equipment Pty. Limited A package unit for removing metal froma solution ofthe metal
FR2106962A5 (en) * 1970-09-30 1972-05-05 Louyot Comptoir Lyon Alemand Recovery of silver - from photographic solutions
US3705716A (en) * 1971-07-09 1972-12-12 Eastman Kodak Co Monitoring silver recovery
AU453543B2 (en) * 1971-08-04 1974-09-16 Silver Recovery Equipment Pty Limited A package unit for removing metal froma solution ofthe metal
GB1353805A (en) * 1971-08-20 1974-05-22 Kodak Ltd Silver recovery
US3792845A (en) * 1972-12-11 1974-02-19 K Larson Silver recovery unit
US4213600A (en) * 1978-08-07 1980-07-22 Thompson Roy R Jr Silver reclamation apparatus
FR2467887A1 (fr) * 1979-10-23 1981-04-30 Kodak Pathe Procede pour la recuperation d'un metal a partir de solutions aqueuses, par echange avec un second metal reducteur
US4441697A (en) * 1982-01-29 1984-04-10 William E. Tipton, Jr. Silver recovery unit

Also Published As

Publication number Publication date
JPS63128137A (ja) 1988-05-31
AU8051887A (en) 1988-05-05
AU576705B2 (en) 1988-09-01
EP0265940A3 (en) 1990-01-17
JPH024661B2 (sv) 1990-01-30
CA1303859C (en) 1992-06-23
NO874522D0 (no) 1987-10-30
EP0265940A2 (en) 1988-05-04
US4740244A (en) 1988-04-26
NO874522L (no) 1988-05-02

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