PE791A1 - Recuperacion de plata a partir de soluciones fotograficas usadas - Google Patents

Recuperacion de plata a partir de soluciones fotograficas usadas

Info

Publication number
PE791A1
PE791A1 PE1990175990A PE17599090A PE791A1 PE 791 A1 PE791 A1 PE 791A1 PE 1990175990 A PE1990175990 A PE 1990175990A PE 17599090 A PE17599090 A PE 17599090A PE 791 A1 PE791 A1 PE 791A1
Authority
PE
Peru
Prior art keywords
silver recovery
silver
used photographic
photographic solutions
fixing solution
Prior art date
Application number
PE1990175990A
Other languages
English (en)
Inventor
Thomas H Etsell
Wasyl Kunda
Original Assignee
Univ Alberta
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 Univ Alberta filed Critical Univ Alberta
Publication of PE791A1 publication Critical patent/PE791A1/es

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
    • 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
    • G03C5/395—Regeneration of photographic processing agents other than developers; Replenishers therefor
    • G03C5/3952—Chemical, mechanical or thermal methods, e.g. oxidation, precipitation, centrifugation
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Cosmetics (AREA)

Abstract

CONSISTE EN INTRODUCIR UN REACTIVO DE HIDROSULFURO EN LA SOLUCION FIJADORA CON CONTENIDO DE PLATA PARA PRECIPITAR EL SULFURO DE PLATA, MIENTRAS SE MANTIENEN CONSTANTES LOS NIVELES DE PH Y DE LIOSULFATO CON EL FIN DE UTILIZARLA NUEVAMENTE. EL PRECIPITADO SE AISLA DE LA SOLUCION FIJADORA PRA EXTRAER LA PLATA DE ESTA Y PERMITIR SU RECICLAJE
PE1990175990A 1989-10-12 1990-10-11 Recuperacion de plata a partir de soluciones fotograficas usadas PE791A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2000527 CA2000527A1 (en) 1989-10-12 1989-10-12 Silver recovery from spent photographic solutions

Publications (1)

Publication Number Publication Date
PE791A1 true PE791A1 (es) 1991-01-26

Family

ID=4143307

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1990175990A PE791A1 (es) 1989-10-12 1990-10-11 Recuperacion de plata a partir de soluciones fotograficas usadas

Country Status (22)

Country Link
EP (1) EP0565518B1 (es)
JP (1) JPH05506269A (es)
CN (1) CN1036029C (es)
AP (1) AP210A (es)
AT (1) ATE118556T1 (es)
AU (1) AU642102B2 (es)
BR (1) BR9007704A (es)
CA (1) CA2000527A1 (es)
DE (1) DE69017052T2 (es)
EG (1) EG19094A (es)
FI (1) FI921617A0 (es)
HU (1) HUT66894A (es)
IE (1) IE903642A1 (es)
IL (1) IL95847A (es)
MA (1) MA21972A1 (es)
NZ (1) NZ235620A (es)
PE (1) PE791A1 (es)
PL (1) PL165799B1 (es)
PT (1) PT95565A (es)
WO (1) WO1991005882A1 (es)
YU (1) YU190090A (es)
ZA (1) ZA907735B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102616963B (zh) * 2011-07-08 2014-12-17 华东理工大学 感光材料废液的光催化处理方法
US20230136500A1 (en) 2021-10-28 2023-05-04 Hewlett Packard Enterprise Development Lp Location detection with gnss and device range measurements
US20230403751A1 (en) 2022-06-13 2023-12-14 Hewlett Packard Enterprise Development Lp Split multi-link system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481203A (en) 1946-11-29 1949-09-06 Maurice Y Nicole Gothic arch tracing device
US3082079A (en) * 1960-06-15 1963-03-19 Eastman Kodak Co Silver recovery from photographic fixing solutions
US3634088A (en) * 1970-02-02 1972-01-11 Eastman Kodak Co Regeneration of blix solutions used in photographic processing
BE790374A (fr) * 1971-10-22 1973-02-15 Fuji Photo Film Co Ltd Procede de regeneration d'une solution de blanchiment -fixage pour le traitement photographique en couleur
BE795767A (nl) * 1972-03-02 1973-08-22 Agfa Gevaert Nv Werkwijze voor het regenereren van uitgeputte fotografische zilverbleekbaden
JPS6345121A (ja) * 1986-08-12 1988-02-26 Nobuaki Terai 水硫化ナトリウムＮａＨＳによる硫化銀沈殿法および硫化アンモニウム（ＮＨ↓４）↓２Ｓによる硫化銀沈殿法
DE3718583A1 (de) * 1987-06-03 1988-12-22 Michael Bonk Verfahren zur silberrueckgewinnung aus fixiersalzloesungen durch sulfidfaellung
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

Also Published As

Publication number Publication date
MA21972A1 (fr) 1991-07-01
IL95847A (en) 1998-02-22
AU6501090A (en) 1991-05-16
ATE118556T1 (de) 1995-03-15
EP0565518A1 (en) 1993-10-20
CA2000527A1 (en) 1991-04-12
CN1036029C (zh) 1997-10-01
FI921617A (fi) 1992-04-10
BR9007704A (pt) 1992-07-21
JPH05506269A (ja) 1993-09-16
FI921617A0 (fi) 1992-04-10
WO1991005882A1 (en) 1991-05-02
DE69017052D1 (de) 1995-03-23
NZ235620A (en) 1992-11-25
AP210A (en) 1992-08-26
AU642102B2 (en) 1993-10-07
IE903642A1 (en) 1991-04-24
HUT66894A (en) 1995-01-30
HU9201241D0 (en) 1992-09-28
EP0565518B1 (en) 1995-02-15
EG19094A (en) 1994-09-29
AP9000221A0 (en) 1991-01-31
CN1050933A (zh) 1991-04-24
PL165799B1 (pl) 1995-02-28
PT95565A (pt) 1991-08-14
ZA907735B (en) 1992-05-27
IL95847A0 (en) 1991-06-30
YU190090A (sh) 1993-11-16
DE69017052T2 (de) 1995-09-21

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Legal Events

Date Code Title Description
FD Application declared void or lapsed