JPS6463093A - Treatment of waste liquid of photographic processing - Google Patents
Treatment of waste liquid of photographic processingInfo
- Publication number
- JPS6463093A JPS6463093A JP22006287A JP22006287A JPS6463093A JP S6463093 A JPS6463093 A JP S6463093A JP 22006287 A JP22006287 A JP 22006287A JP 22006287 A JP22006287 A JP 22006287A JP S6463093 A JPS6463093 A JP S6463093A
- Authority
- JP
- Japan
- Prior art keywords
- treatment
- waste
- liquid
- photographic processing
- electric
- 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.)
- Granted
Links
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
PURPOSE:To prevent generation of harmful gas or malodor, to improve treating speed, and to reduce energy cost by forming an electric field by feeding electric power to electrically charged materials contained in waste photographic processing liquid before and/or during evaporation treatment and performing electric treatment of the waste liquid. CONSTITUTION:A part of waste photographic processing liquid constituent is evaporated by feeding the liquid to an evaporating kettle and heating, and the residual part is discarded in the form of concentrated liquid or dry cake. In this stage, electric treatment of the waste liquid is performed by forming electric field in the waste liquid by feeding electric power to electrically charged materials (e.g. electric wire 70 covered with a nonconductive material wound around a buffer tank 30) contained in the waste photographic processing liquid before and/or during evaporation treatment. As a result, the amt. of generated harmful gas or malodor is reduced remarkably and energy cost is reduced also because extremely high evaporation speed is attained are compared to conventional evaporation treatment based on conventional heating means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22006287A JPH0729098B2 (en) | 1987-09-02 | 1987-09-02 | Photoprocessing waste liquid treatment method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22006287A JPH0729098B2 (en) | 1987-09-02 | 1987-09-02 | Photoprocessing waste liquid treatment method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6463093A true JPS6463093A (en) | 1989-03-09 |
JPH0729098B2 JPH0729098B2 (en) | 1995-04-05 |
Family
ID=16745340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22006287A Expired - Lifetime JPH0729098B2 (en) | 1987-09-02 | 1987-09-02 | Photoprocessing waste liquid treatment method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0729098B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5565067A (en) * | 1994-03-31 | 1996-10-15 | Chaffin, Iii; John H. | Evaporation of water using high frequency electric fields |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2377658C1 (en) | 2008-11-14 | 2009-12-27 | Андрей Валентинович Сабайдаш | Method of determining optimal route for vehicles |
-
1987
- 1987-09-02 JP JP22006287A patent/JPH0729098B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5565067A (en) * | 1994-03-31 | 1996-10-15 | Chaffin, Iii; John H. | Evaporation of water using high frequency electric fields |
Also Published As
Publication number | Publication date |
---|---|
JPH0729098B2 (en) | 1995-04-05 |
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