FI62810C - Foerfarande foer rening av avloppsvatten av krom - Google Patents
Foerfarande foer rening av avloppsvatten av krom Download PDFInfo
- Publication number
- FI62810C FI62810C FI1138/72A FI113872A FI62810C FI 62810 C FI62810 C FI 62810C FI 1138/72 A FI1138/72 A FI 1138/72A FI 113872 A FI113872 A FI 113872A FI 62810 C FI62810 C FI 62810C
- Authority
- FI
- Finland
- Prior art keywords
- chromium
- iron
- electrodes
- solution
- anode
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 54
- 239000011651 chromium Substances 0.000 claims description 45
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 33
- 229910052804 chromium Inorganic materials 0.000 claims description 33
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 22
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 14
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 238000006722 reduction reaction Methods 0.000 description 9
- 229910002651 NO3 Inorganic materials 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- 229910052753 mercury Inorganic materials 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 235000010344 sodium nitrate Nutrition 0.000 description 7
- 239000004317 sodium nitrate Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001447 alkali salts Chemical class 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 150000002500 ions Chemical group 0.000 description 3
- 235000014413 iron hydroxide Nutrition 0.000 description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical class [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000497 Amalgam Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- -1 nitrate ions Chemical class 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229940101006 anhydrous sodium sulfite Drugs 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 150000002730 mercury Chemical class 0.000 description 1
- 229940008718 metallic mercury Drugs 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229940001482 sodium sulfite Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- 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
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2354971 | 1971-04-23 | ||
| IT2354971 | 1971-04-23 | ||
| IT2420571 | 1971-05-07 | ||
| IT2420571 | 1971-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI62810B FI62810B (fi) | 1982-11-30 |
| FI62810C true FI62810C (fi) | 1983-03-10 |
Family
ID=26328395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1138/72A FI62810C (fi) | 1971-04-23 | 1972-04-21 | Foerfarande foer rening av avloppsvatten av krom |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5235945B1 (cs) |
| AT (1) | AT324969B (cs) |
| BE (1) | BE782358A (cs) |
| CA (1) | CA1028278A (cs) |
| CH (1) | CH539001A (cs) |
| CS (1) | CS178869B2 (cs) |
| DD (1) | DD96694A5 (cs) |
| DE (1) | DE2219095A1 (cs) |
| DK (1) | DK142049C (cs) |
| ES (1) | ES402789A1 (cs) |
| FI (1) | FI62810C (cs) |
| FR (1) | FR2133922B1 (cs) |
| GB (1) | GB1376998A (cs) |
| HU (1) | HU164830B (cs) |
| IE (1) | IE36316B1 (cs) |
| IL (1) | IL39131A (cs) |
| LU (1) | LU65207A1 (cs) |
| NL (1) | NL153829B (cs) |
| NO (1) | NO139679C (cs) |
| PL (1) | PL83655B1 (cs) |
| RO (1) | RO63778A (cs) |
| SE (1) | SE386153B (cs) |
| TR (1) | TR17282A (cs) |
| YU (1) | YU36674B (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2430848C2 (de) * | 1974-06-27 | 1986-02-27 | Levrini, Valter, Castellarano | Verfahren zur chemischen Reinigung von Abwässern |
| CH649976A5 (de) * | 1981-03-05 | 1985-06-28 | Hans Lueber | Vorrichtung zur kalksteinverhinderung in wasserbehaeltern. |
| US4525254A (en) * | 1982-10-07 | 1985-06-25 | Gosudarstvenny Nauchno-Issledovatelsky I Proektny Institut Po Obogascheniju Rud Tsvetnykh Metallov "Kazmekhanobr" | Process and apparatus for purifying effluents and liquors |
| DE10005681B4 (de) * | 2000-02-07 | 2005-06-16 | Atc Dr. Mann E.K. | Verfahren und Vorrichtung zur Dekontamination metallhaltiger Wässer |
| CN115418483B (zh) * | 2022-08-30 | 2023-06-30 | 中南大学 | 含铬废液制备铬铁合金的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1459451A1 (de) * | 1962-05-29 | 1968-12-19 | Asendorf Dr Erich | Verfahren zum Entkupfern von schwefelsauren und salpetersauren Abwaessern unter gleichzeitiger Vernichtung wasserunloeslicher Kupferverbindungen |
| AT240059B (de) * | 1963-08-02 | 1965-05-10 | Donau Chemie Ag | Verfahren zur elektrolytischen Abscheidung von sulfosalzbildenden Metallen |
| US3392102A (en) * | 1967-03-16 | 1968-07-09 | Koch Rudolf | Galvanic action water purifier |
-
1972
- 1972-04-03 IL IL39131A patent/IL39131A/xx unknown
- 1972-04-19 YU YU1051/72A patent/YU36674B/xx unknown
- 1972-04-19 NO NO1361/72A patent/NO139679C/no unknown
- 1972-04-19 DE DE19722219095 patent/DE2219095A1/de active Pending
- 1972-04-20 BE BE782358A patent/BE782358A/xx not_active IP Right Cessation
- 1972-04-20 FR FR7213901A patent/FR2133922B1/fr not_active Expired
- 1972-04-21 PL PL1972154899A patent/PL83655B1/pl unknown
- 1972-04-21 FI FI1138/72A patent/FI62810C/fi active
- 1972-04-21 IE IE532/72A patent/IE36316B1/xx unknown
- 1972-04-21 CA CA140,318A patent/CA1028278A/en not_active Expired
- 1972-04-21 SE SE7205294A patent/SE386153B/xx unknown
- 1972-04-21 RO RO7200070638A patent/RO63778A/ro unknown
- 1972-04-21 DK DK197372A patent/DK142049C/da not_active IP Right Cessation
- 1972-04-21 DD DD162482A patent/DD96694A5/xx unknown
- 1972-04-21 HU HUSA2348A patent/HU164830B/hu unknown
- 1972-04-21 CS CS7200002717A patent/CS178869B2/cs unknown
- 1972-04-21 GB GB1874072A patent/GB1376998A/en not_active Expired
- 1972-04-21 LU LU65207D patent/LU65207A1/xx unknown
- 1972-04-22 CH CH592572A patent/CH539001A/fr not_active IP Right Cessation
- 1972-04-22 ES ES402789A patent/ES402789A1/es not_active Expired
- 1972-04-24 AT AT360072A patent/AT324969B/de not_active IP Right Cessation
- 1972-04-24 JP JP47040486A patent/JPS5235945B1/ja active Pending
- 1972-04-24 NL NL727205539A patent/NL153829B/xx not_active IP Right Cessation
- 1972-04-24 TR TR17282A patent/TR17282A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT324969B (de) | 1975-09-25 |
| NL153829B (nl) | 1977-07-15 |
| RO63778A (fr) | 1978-10-15 |
| IE36316B1 (en) | 1976-10-13 |
| NO139679B (no) | 1979-01-15 |
| DK142049C (da) | 1981-01-12 |
| FI62810B (fi) | 1982-11-30 |
| SE386153B (sv) | 1976-08-02 |
| GB1376998A (en) | 1974-12-11 |
| IE36316L (en) | 1972-10-23 |
| CA1028278A (en) | 1978-03-21 |
| CS178869B2 (en) | 1977-10-31 |
| IL39131A (en) | 1975-08-31 |
| DE2219095A1 (de) | 1972-11-16 |
| HU164830B (cs) | 1974-04-11 |
| FR2133922B1 (cs) | 1974-10-18 |
| PL83655B1 (cs) | 1975-12-31 |
| FR2133922A1 (cs) | 1972-12-01 |
| BE782358A (fr) | 1972-08-16 |
| CH539001A (fr) | 1973-07-15 |
| IL39131A0 (en) | 1972-06-28 |
| ES402789A1 (es) | 1975-10-16 |
| DK142049B (da) | 1980-08-18 |
| NO139679C (no) | 1979-04-25 |
| YU36674B (en) | 1984-08-31 |
| NL7205539A (cs) | 1972-10-25 |
| TR17282A (tr) | 1975-03-24 |
| DD96694A5 (cs) | 1973-04-05 |
| YU105172A (en) | 1982-02-25 |
| JPS5235945B1 (cs) | 1977-09-12 |
| LU65207A1 (cs) | 1972-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4318789A (en) | Electrochemical removal of heavy metals such as chromium from dilute wastewater streams using flow through porous electrodes | |
| US4292160A (en) | Apparatus for electrochemical removal of heavy metals such as chromium from dilute wastewater streams using flow-through porous electrodes | |
| BAZRAFSHAN et al. | Removal of cadmium from industrial effluents by electrocoagulation process using iron electrodes | |
| RU2357012C1 (ru) | Способ извлечения благородных металлов из отходов радиоэлектронной промышленности | |
| Diaz et al. | Towards in situ electro-generation of ferrate for drinking water treatment: A comparison of three low-cost sacrificial iron electrodes | |
| US4265722A (en) | Method of processing the surface of workpieces including particularly the etching of surfaces containing copper or copper alloys | |
| CN116177764A (zh) | 一种原位产生Fe(IV)并用于废水处理的方法和装置 | |
| Xu et al. | Highly efficient and energy-conserved flocculation of copper in wastewater by pulse-alternating current | |
| FI62810C (fi) | Foerfarande foer rening av avloppsvatten av krom | |
| US4035269A (en) | Process for the galvanic purification of the waste waters | |
| Öğütveren et al. | Removal of chromium from aqueous solutions and plating bath rinse by an electrochemical method | |
| Reddithota et al. | Electrocoagulation: A cleaner method for treatment of Cr (VI) from electroplating industrial effluents | |
| SU1058511A3 (ru) | Способ извлечени шестивалентного урана | |
| Matheswaran et al. | Mediated electrochemical oxidation of phenol in continuous feeding mode using Ag (II) and Ce (IV) mediator ions in nitric acid: A comparative study | |
| Tan et al. | Electrochemical destruction of complex cyanide | |
| WO2001092603A1 (en) | Electrochemical reduction of nitrate in the presence of an amide | |
| CN116199312A (zh) | 一种联合处理氰化镀铜废水和酸性镀铬废水的方法 | |
| Kruglikov et al. | The Use of Immersed Electrochemical Modules in Plating Shops for the Regeneration of Process Solutions and Purification of Water in Reclaim Tanks. | |
| CN112830556A (zh) | 一种联合处理氰化镀铜废水和酸性镀铜废水的方法 | |
| JPH08199366A (ja) | 無電解ニツケル鍍金廃液の処理方法 | |
| FI67356C (fi) | Foerfarande foer aotervinning av cyanider fraon spolloesningarerhaollna fraon elutfaellningsprocesser | |
| Yang et al. | Oxidation of Cyanide and Simultaneous Copper Electrodeposition from Electroplating Wastewater in an Electrochemical Reactor | |
| KR20010081735A (ko) | 시안화물 함유 폐수 처리 장치 | |
| SU438729A1 (ru) | Способ регенерации сернокислых и хлористых травильных растворов железа | |
| Yoshimura et al. | Application of Packed Biopolar Cell to Electrolytic Treatment of Waste Waters,(In Japanese) |