DE2528140A1 - Elektrolytische silberrueckgewinnung aus photographischen bleichfixierbaedern - Google Patents
Elektrolytische silberrueckgewinnung aus photographischen bleichfixierbaedernInfo
- Publication number
- DE2528140A1 DE2528140A1 DE19752528140 DE2528140A DE2528140A1 DE 2528140 A1 DE2528140 A1 DE 2528140A1 DE 19752528140 DE19752528140 DE 19752528140 DE 2528140 A DE2528140 A DE 2528140A DE 2528140 A1 DE2528140 A1 DE 2528140A1
- Authority
- DE
- Germany
- Prior art keywords
- redox potential
- reducing agent
- bleach
- silver
- electrolyte
- 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.)
- Ceased
Links
- 229910052709 silver Inorganic materials 0.000 title claims description 44
- 239000004332 silver Substances 0.000 title claims description 44
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 32
- 238000011084 recovery Methods 0.000 title claims description 8
- 239000007844 bleaching agent Substances 0.000 title description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 38
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 26
- 239000003792 electrolyte Substances 0.000 claims description 23
- -1 silver ions Chemical class 0.000 claims description 21
- 238000005868 electrolysis reaction Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 17
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 13
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical group [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 12
- 229940075397 calomel Drugs 0.000 claims description 8
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 4
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical group [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 23
- 229910052742 iron Inorganic materials 0.000 description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000001008 quinone-imine dye Substances 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Electrolytic Production Of Metals (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2833074A GB1445505A (en) | 1974-06-26 | 1974-06-26 | Electrolytic recovery of silver manufacture of knitted articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2528140A1 true DE2528140A1 (de) | 1976-01-15 |
Family
ID=10273964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752528140 Ceased DE2528140A1 (de) | 1974-06-26 | 1975-06-24 | Elektrolytische silberrueckgewinnung aus photographischen bleichfixierbaedern |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS585994B2 (enExample) |
| DE (1) | DE2528140A1 (enExample) |
| FR (1) | FR2276402A1 (enExample) |
| GB (1) | GB1445505A (enExample) |
| IT (1) | IT1044403B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH626409A5 (enExample) * | 1977-02-28 | 1981-11-13 | Ciba Geigy Ag | |
| JPS57115940A (en) * | 1981-01-09 | 1982-07-19 | Nippon Kokan Keishiyu Kk | Method for manufacturing vanishing type model |
| US4406753A (en) * | 1982-01-19 | 1983-09-27 | Ciba-Geigy Ag | Electrolytic metal recovery cell and operation thereof |
| DE3414653A1 (de) * | 1983-04-25 | 1984-10-25 | Exxon Research And Engineering Co., Florham Park, N.J. | Verfahren zur selektiven gewinnung von silber aus einer waessrigen kupfer(i)chloridloesung, die geloestes silber enthaelt |
| JPS6142446A (ja) * | 1984-07-31 | 1986-02-28 | Tsuneichi Koyama | 金属製立体図柄体の製造方法 |
| JP2676644B2 (ja) * | 1990-04-27 | 1997-11-17 | 富士写真フイルム株式会社 | 写真処理液の銀回収方法及び装置 |
| DE102020209886A1 (de) * | 2020-08-05 | 2022-02-10 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren und Vorrichtung zur Gewinnung von Gold und/oder Silber und/oder mindestens einem Platinmetall |
-
1974
- 1974-06-26 GB GB2833074A patent/GB1445505A/en not_active Expired
-
1975
- 1975-06-24 DE DE19752528140 patent/DE2528140A1/de not_active Ceased
- 1975-06-24 FR FR7519759A patent/FR2276402A1/fr active Granted
- 1975-06-25 IT IT5021375A patent/IT1044403B/it active
- 1975-06-26 JP JP50078682A patent/JPS585994B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1044403B (it) | 1980-03-20 |
| JPS5118212A (en) | 1976-02-13 |
| FR2276402A1 (fr) | 1976-01-23 |
| JPS585994B2 (ja) | 1983-02-02 |
| GB1445505A (en) | 1976-08-11 |
| FR2276402B1 (enExample) | 1977-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |