JPH0567939B2 - - Google Patents
Info
- Publication number
- JPH0567939B2 JPH0567939B2 JP21342590A JP21342590A JPH0567939B2 JP H0567939 B2 JPH0567939 B2 JP H0567939B2 JP 21342590 A JP21342590 A JP 21342590A JP 21342590 A JP21342590 A JP 21342590A JP H0567939 B2 JPH0567939 B2 JP H0567939B2
- Authority
- JP
- Japan
- Prior art keywords
- photographic
- waste
- waste liquid
- concentrated
- silver
- 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
Links
- 239000002699 waste material Substances 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
- 229910052709 silver Inorganic materials 0.000 claims description 20
- 239000004332 silver Substances 0.000 claims description 20
- 239000010849 combustible waste Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005292 vacuum distillation Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000007670 refining Methods 0.000 description 10
- 238000011084 recovery Methods 0.000 description 8
- 238000003723 Smelting Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 238000010169 landfilling Methods 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- 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
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Processing Of Solid Wastes (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2213425A JPH0496057A (ja) | 1990-08-10 | 1990-08-10 | 写真廃棄物処理方法 |
| US07/672,414 US5126688A (en) | 1990-03-20 | 1991-03-20 | Power amplifying apparatus for wireless transmitter |
| US07/744,393 US5182527A (en) | 1990-03-30 | 1991-08-13 | Power amplifying apparatus for wireless transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2213425A JPH0496057A (ja) | 1990-08-10 | 1990-08-10 | 写真廃棄物処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0496057A JPH0496057A (ja) | 1992-03-27 |
| JPH0567939B2 true JPH0567939B2 (enrdf_load_stackoverflow) | 1993-09-27 |
Family
ID=16639016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2213425A Granted JPH0496057A (ja) | 1990-03-20 | 1990-08-10 | 写真廃棄物処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0496057A (enrdf_load_stackoverflow) |
-
1990
- 1990-08-10 JP JP2213425A patent/JPH0496057A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0496057A (ja) | 1992-03-27 |
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