PL111516B1 - Process for metals recovery with simultaneous neutralization of toxic aqueous wastes,concentrated plating solution and toxic vapours in ventilation systems and apparatus therefor - Google Patents
Process for metals recovery with simultaneous neutralization of toxic aqueous wastes,concentrated plating solution and toxic vapours in ventilation systems and apparatus therefor Download PDFInfo
- Publication number
- PL111516B1 PL111516B1 PL1976187779A PL18777976A PL111516B1 PL 111516 B1 PL111516 B1 PL 111516B1 PL 1976187779 A PL1976187779 A PL 1976187779A PL 18777976 A PL18777976 A PL 18777976A PL 111516 B1 PL111516 B1 PL 111516B1
- Authority
- PL
- Poland
- Prior art keywords
- bath
- recovery
- technological
- toxic
- tank
- Prior art date
Links
- 238000011084 recovery Methods 0.000 title claims description 86
- 238000000034 method Methods 0.000 title claims description 46
- 229910052751 metal Inorganic materials 0.000 title claims description 26
- 239000002184 metal Substances 0.000 title claims description 26
- 150000002739 metals Chemical class 0.000 title claims description 21
- 231100000331 toxic Toxicity 0.000 title claims description 19
- 230000002588 toxic effect Effects 0.000 title claims description 19
- 238000006386 neutralization reaction Methods 0.000 title claims description 14
- 238000009423 ventilation Methods 0.000 title claims description 9
- 239000002699 waste material Substances 0.000 title claims description 5
- 238000007747 plating Methods 0.000 title description 6
- 239000000243 solution Substances 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000002351 wastewater Substances 0.000 claims description 23
- 238000009713 electroplating Methods 0.000 claims description 20
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 13
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 12
- 238000010979 pH adjustment Methods 0.000 claims description 12
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical group N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052793 cadmium Inorganic materials 0.000 claims description 6
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- UJPKMTDFFUTLGM-UHFFFAOYSA-N 1-aminoethanol Chemical compound CC(N)O UJPKMTDFFUTLGM-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 150000004679 hydroxides Chemical class 0.000 claims description 4
- 239000003643 water by type Substances 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 230000003311 flocculating effect Effects 0.000 claims description 3
- 239000010808 liquid waste Substances 0.000 claims description 3
- 125000001145 hydrido group Chemical group *[H] 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 229910020489 SiO3 Inorganic materials 0.000 claims 1
- 239000010865 sewage Substances 0.000 description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 230000003472 neutralizing effect Effects 0.000 description 5
- 239000013049 sediment Substances 0.000 description 5
- 229910000000 metal hydroxide Inorganic materials 0.000 description 4
- 150000004692 metal hydroxides Chemical class 0.000 description 4
- 150000002825 nitriles Chemical class 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910001430 chromium ion Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 description 1
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/13—Purification and treatment of electroplating baths and plating wastes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S588/00—Hazardous or toxic waste destruction or containment
- Y10S588/90—Apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1976187779A PL111516B1 (en) | 1976-03-08 | 1976-03-08 | Process for metals recovery with simultaneous neutralization of toxic aqueous wastes,concentrated plating solution and toxic vapours in ventilation systems and apparatus therefor |
| GB4743676A GB1556240A (en) | 1976-03-08 | 1976-11-15 | Recovery of metal in the electroplating of articles |
| FR7700188A FR2343811A1 (fr) | 1976-03-08 | 1977-01-05 | Procede et dispositif de recuperation de metaux a partir de solutions galvaniques et de buees avec neutralisation d'effluents toxiques. |
| DE2702085A DE2702085C2 (de) | 1976-03-08 | 1977-01-19 | Verfahren zur Direktentgiftung konzentrierter galvanischer Lösungen und zur Rückgewinnung von Metallen, sowie Anlage zur Durchführung des Verfahrens |
| US05/770,026 US4157942A (en) | 1976-03-08 | 1977-02-18 | Method for recovery of metals from metal plating baths and neutralizing toxic effluents therefrom |
| ES525870A ES8503377A3 (es) | 1976-03-08 | 1983-09-23 | Procedimiento, y su dispositivo,para la recuperacion de metales de las soluciones galvanicas y la neutralizacion simul- tanea de sus afluentes toxicos. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1976187779A PL111516B1 (en) | 1976-03-08 | 1976-03-08 | Process for metals recovery with simultaneous neutralization of toxic aqueous wastes,concentrated plating solution and toxic vapours in ventilation systems and apparatus therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL111516B1 true PL111516B1 (en) | 1980-09-30 |
Family
ID=19975896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1976187779A PL111516B1 (en) | 1976-03-08 | 1976-03-08 | Process for metals recovery with simultaneous neutralization of toxic aqueous wastes,concentrated plating solution and toxic vapours in ventilation systems and apparatus therefor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4157942A (enExample) |
| DE (1) | DE2702085C2 (enExample) |
| ES (1) | ES8503377A3 (enExample) |
| FR (1) | FR2343811A1 (enExample) |
| GB (1) | GB1556240A (enExample) |
| PL (1) | PL111516B1 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364773A (en) * | 1980-12-23 | 1982-12-21 | Marcel Veronneau | Waste metal conversion process and products |
| US4781806A (en) * | 1985-10-11 | 1988-11-01 | Dominic Tenace | Electroplating system |
| US4966760A (en) * | 1988-08-26 | 1990-10-30 | Ladd Judith A | Method for recovering chromium from chromium-bearing material |
| US4952290A (en) * | 1989-03-16 | 1990-08-28 | Amp Incorporated | Waste water treatment and recovery system |
| US4948516A (en) * | 1989-08-21 | 1990-08-14 | Monsanto Company | Method of disposing of wastes containing heavy metal compounds |
| US5106508A (en) * | 1990-09-26 | 1992-04-21 | Klaus Schwitzgebel | Integrated process for cyanide and heavy metal removal from plating process waste streams |
| US5149411A (en) * | 1991-04-22 | 1992-09-22 | Robert L. Castle | Toxic fumes removal apparatus for plating tank |
| JP2918832B2 (ja) * | 1995-12-15 | 1999-07-12 | 日英ハードクローム工業株式会社 | クロムめっきにおけるクロムめっき液、クロムめっき廃液、クロム酸洗浄水用クローズド・リサイクル・システム |
| US6143146A (en) * | 1998-08-25 | 2000-11-07 | Strom; Doug | Filter system |
| US6607651B2 (en) | 1998-09-10 | 2003-08-19 | Cws Parts Company | Process and system for treating the discharge stream from an ion exchanger |
| US6774277B2 (en) * | 2000-03-07 | 2004-08-10 | Waste Management, Inc. | Methods of destruction of cyanide in cyanide-containing waste |
| US20030209449A1 (en) * | 2001-01-23 | 2003-11-13 | Cws Parts Company | Process and system for treating the discharge stream from an ion exchanger |
| CA2362244A1 (en) * | 2001-11-14 | 2003-05-14 | Peter Forth | Method of treating an electroplating bath |
| DE102008050034B4 (de) * | 2008-10-01 | 2013-02-21 | Voestalpine Stahl Gmbh | Verfahren zum elektrolytischen Abscheiden von Chrom und Chromlegierungen |
| US8727007B1 (en) | 2009-09-25 | 2014-05-20 | Tom Lewis, III | Shale gas waste water treatment method |
| US10294579B2 (en) | 2016-04-05 | 2019-05-21 | Snap-On Incorporated | Portable and modular production electroplating system |
| RU2712325C1 (ru) * | 2019-06-28 | 2020-01-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | Способ извлечения кадмия из промывных вод, содержащих цианиды |
| CN111635052A (zh) * | 2020-05-22 | 2020-09-08 | 太仓市海峰电镀有限公司 | 一种电镀用污水处理设备 |
| CN113502528B (zh) * | 2021-07-14 | 2022-06-24 | 江苏磊霆精密新材料有限公司 | 一种提高电镀件表面光洁度的电镀装置及其连续电镀方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761381A (en) * | 1966-10-18 | 1973-09-25 | A Yagishita | Plating waste recovery unit |
| US3617567A (en) * | 1969-05-15 | 1971-11-02 | Du Pont | Destruction of cyanide in aqueous solutions |
| US3661732A (en) * | 1970-06-01 | 1972-05-09 | Production Machinery Corp | Method and apparatus for electroplating |
| US3681210A (en) * | 1971-04-08 | 1972-08-01 | Industrial Filter Pump Mfg Co | Recovery of mixed plating rinses |
| US3896209A (en) * | 1973-01-22 | 1975-07-22 | Du Pont | Reduction of hexavalent chromium |
| US3961029A (en) * | 1973-05-21 | 1976-06-01 | Tokico Ltd. | Process for recovering chromic acid solution from a waste liquor containing chromic ions |
| JPS5618280B2 (enExample) * | 1973-08-16 | 1981-04-27 | ||
| DE2407835A1 (de) * | 1974-02-19 | 1975-08-28 | Alfred Denne | Behandlung cyanidhaltiger kreislaufwaesser, abwaesser und schlaemme zur verbesserung verschiedener qualitaetsmerkmale |
| US3985628A (en) * | 1975-08-04 | 1976-10-12 | Myers Lyle R | Pollution control in electroplating systems |
-
1976
- 1976-03-08 PL PL1976187779A patent/PL111516B1/pl unknown
- 1976-11-15 GB GB4743676A patent/GB1556240A/en not_active Expired
-
1977
- 1977-01-05 FR FR7700188A patent/FR2343811A1/fr active Granted
- 1977-01-19 DE DE2702085A patent/DE2702085C2/de not_active Expired
- 1977-02-18 US US05/770,026 patent/US4157942A/en not_active Expired - Lifetime
-
1983
- 1983-09-23 ES ES525870A patent/ES8503377A3/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2343811A1 (fr) | 1977-10-07 |
| DE2702085C2 (de) | 1982-12-23 |
| US4157942A (en) | 1979-06-12 |
| FR2343811B1 (enExample) | 1980-10-31 |
| GB1556240A (en) | 1979-11-21 |
| DE2702085A1 (de) | 1977-09-15 |
| ES8503377A3 (es) | 1985-03-01 |
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