JPS55152137A - Recovering method of silver contained in washing water after color photographic bleaching and fixing treatment - Google Patents
Recovering method of silver contained in washing water after color photographic bleaching and fixing treatmentInfo
- Publication number
- JPS55152137A JPS55152137A JP5910879A JP5910879A JPS55152137A JP S55152137 A JPS55152137 A JP S55152137A JP 5910879 A JP5910879 A JP 5910879A JP 5910879 A JP5910879 A JP 5910879A JP S55152137 A JPS55152137 A JP S55152137A
- Authority
- JP
- Japan
- Prior art keywords
- washing water
- silver
- electrolysis
- added
- tank
- 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.)
- Pending
Links
Abstract
PURPOSE: To attain the silver recovery efficiently by a method wherein hydrogen peroxide is added to the washing water and a complex salt forming agent or a chelate agent is decomposed in a promoted speed by the oxidizing action thereof to fix water soluble silver within the washing water.
CONSTITUTION: The washing water containing about 20ppm of silver is poured in an electrolysis tank 1 and, simultaneously, 6ml of 35% aqueous hydrogen peroxide solution to 20l of the washing water is added. Subsequently, air is sent into an electrolysis tank 1 through an aerating pipe 3 by a compressor 2 and, while the washing water is stirred, electric current is passed between an aluminum anode 5 and a carbon black cathode 5' by a rectifier 4. The addition of hydrogen peroxide may be added at the same time when electrolysis is carried out. When the said silver receives the electrolysis, the silver is insolubulized along with aluminum hydroxide in a colloidal form and overflowed into a floc forming tank 6 from an electrolysis tank 1. Herein, a flocculating agent is added to form flacs and the flocs formed water is flowed into an electrolysis float separator tank 7 and hydrogen gas from a carbon black cathode 5' is adhered to the floc of aluminum hydroxide containing silver to float the said floac. This bloc are recovered from an exhaust port 8.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5910879A JPS55152137A (en) | 1979-05-16 | 1979-05-16 | Recovering method of silver contained in washing water after color photographic bleaching and fixing treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5910879A JPS55152137A (en) | 1979-05-16 | 1979-05-16 | Recovering method of silver contained in washing water after color photographic bleaching and fixing treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55152137A true JPS55152137A (en) | 1980-11-27 |
Family
ID=13103779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5910879A Pending JPS55152137A (en) | 1979-05-16 | 1979-05-16 | Recovering method of silver contained in washing water after color photographic bleaching and fixing treatment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55152137A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS614049A (en) * | 1984-06-18 | 1986-01-09 | Konishiroku Photo Ind Co Ltd | Treatment of silver halide color photographic sensitive material |
| JPH0321945A (en) * | 1989-06-19 | 1991-01-30 | Konica Corp | Method for processing silver halide black-and-white photographic sensitive material |
| JPH03101729A (en) * | 1989-09-15 | 1991-04-26 | Konica Corp | Processing method for silver halide black-and-white photographic sensitive material |
-
1979
- 1979-05-16 JP JP5910879A patent/JPS55152137A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS614049A (en) * | 1984-06-18 | 1986-01-09 | Konishiroku Photo Ind Co Ltd | Treatment of silver halide color photographic sensitive material |
| JPH0321945A (en) * | 1989-06-19 | 1991-01-30 | Konica Corp | Method for processing silver halide black-and-white photographic sensitive material |
| JPH03101729A (en) * | 1989-09-15 | 1991-04-26 | Konica Corp | Processing method for silver halide black-and-white photographic sensitive material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4051001A (en) | Process for regenerating etching solution | |
| US4280887A (en) | Method of regenerating ammoniacal etching solutions useful for etching metallic copper | |
| US3788915A (en) | Regeneration of spent etchant | |
| US3783113A (en) | Electrolytic regeneration of spent etchant | |
| JP3308345B2 (en) | How to operate the electrolytic cell | |
| JPS55152137A (en) | Recovering method of silver contained in washing water after color photographic bleaching and fixing treatment | |
| KR830009264A (en) | Membrane Electrolyzer Brine Feed Solution | |
| JPS5799323A (en) | Method for treating fluorine-containing gas | |
| CN109231650A (en) | A method of removal zinc sulfate produces heavy metal in waste liquid | |
| JPS5620173A (en) | Preparation of chlorine water | |
| US3998710A (en) | Process for electrolytically purifying a photographic waste solution | |
| JPS558413A (en) | Protecting method of stop electrolytic cell | |
| JPS5534607A (en) | Recovering and removing method for useless metals from chromate solution by diaphragm electrolysis | |
| US3218254A (en) | Treatment of toxic copper-containing solutions | |
| JPS5522367A (en) | Treatment of high concentration waste water | |
| JPS5644779A (en) | Reusing method for washing water of chemical copper plated article | |
| JPS5724695A (en) | Removal of cyanide from waste water | |
| JPS5765399A (en) | Method and apparatus for treatment of excretion | |
| CN110054352B (en) | Method for removing calcium ions in garbage incineration power generation leachate by using ASBR (anaerobic sequencing batch reactor) process | |
| JPS56139193A (en) | Treatment of waste copper plating solution | |
| JPS5620157A (en) | Treatment of waste water from chemical copper plating process | |
| JPS575883A (en) | Installation of sodium chlorate electrolytic tank and chlorine-alkali electrolytic tank installed side by side | |
| JPS56163794A (en) | Treatment of cod-containing sewage | |
| US3014850A (en) | Recovery of high purity copper from copper scrap | |
| JPS57200576A (en) | Manufacture of dimethyl pentadecanedioate |