DE68917495D1 - Verfahren zur Rückgewinnung von Silber aus photographischen Entwicklungslösungen und Vorrichtung dazu. - Google Patents

Verfahren zur Rückgewinnung von Silber aus photographischen Entwicklungslösungen und Vorrichtung dazu.

Info

Publication number
DE68917495D1
DE68917495D1 DE68917495T DE68917495T DE68917495D1 DE 68917495 D1 DE68917495 D1 DE 68917495D1 DE 68917495 T DE68917495 T DE 68917495T DE 68917495 T DE68917495 T DE 68917495T DE 68917495 D1 DE68917495 D1 DE 68917495D1
Authority
DE
Germany
Prior art keywords
apparatus therefor
photographic processing
processing solutions
recovering silver
recovering
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 - Lifetime
Application number
DE68917495T
Other languages
English (en)
Inventor
Naoki Takabayashi
Shigeharu Koboshi
Nobutaka Goto
Yoshiyuki C O Kamioka M Makida
Youji C O Kamioka Min Kawakami
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 JP63010072A external-priority patent/JP2761724B2/ja
Priority claimed from JP63056968A external-priority patent/JP2829519B2/ja
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Application granted granted Critical
Publication of DE68917495D1 publication Critical patent/DE68917495D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/20—Electrolytic production, recovery or refining of metals by electrolysis of solutions of noble metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C02F1/4678—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/40—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture or use of photosensitive materials
DE68917495T 1988-01-20 1989-01-18 Verfahren zur Rückgewinnung von Silber aus photographischen Entwicklungslösungen und Vorrichtung dazu. Expired - Lifetime DE68917495D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63010072A JP2761724B2 (ja) 1988-01-20 1988-01-20 写真廃液中の銀回収方法
JP63056968A JP2829519B2 (ja) 1988-03-10 1988-03-10 写真処理液の銀回収方法及びその装置

Publications (1)

Publication Number Publication Date
DE68917495D1 true DE68917495D1 (de) 1994-09-22

Family

ID=26345257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68917495T Expired - Lifetime DE68917495D1 (de) 1988-01-20 1989-01-18 Verfahren zur Rückgewinnung von Silber aus photographischen Entwicklungslösungen und Vorrichtung dazu.

Country Status (2)

Country Link
EP (1) EP0329275B1 (de)
DE (1) DE68917495D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641614A (en) * 1994-11-08 1997-06-24 Konica Corporation Processing method of silver halide photographic light sensitive material
US6086733A (en) * 1998-10-27 2000-07-11 Eastman Kodak Company Electrochemical cell for metal recovery
US6149797A (en) * 1998-10-27 2000-11-21 Eastman Kodak Company Method of metal recovery using electrochemical cell
WO2023175570A1 (en) * 2022-03-16 2023-09-21 Flsmidth A/S System and method for controlling or removing hard deposits on electrowinning cathodes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919062A (en) * 1974-04-29 1975-11-11 Grace W R & Co Electrochemical system graduated porous bed sections
GB1550705A (en) * 1976-12-09 1979-08-15 Inst Neorgan Khim I Electro Ak Elelctrolyser and a method of conducting electrolysis therein
US4569729A (en) * 1984-07-16 1986-02-11 Chlorine Engineers Corp., Ltd. Electrolyzing method and electrolytic cell employing fluidized bed
FR2573221B1 (fr) * 1984-11-15 1992-01-03 Louyot Comptoir Lyon Alemand Procede et dispositif pour la recuperation de l'argent des bains de fixage

Also Published As

Publication number Publication date
EP0329275B1 (de) 1994-08-17
EP0329275A1 (de) 1989-08-23

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Legal Events

Date Code Title Description
8332 No legal effect for de