DE2321594C3 - Verfahren zur Behandlung von wässrigen Lösungen - Google Patents
Verfahren zur Behandlung von wässrigen LösungenInfo
- Publication number
- DE2321594C3 DE2321594C3 DE2321594A DE2321594A DE2321594C3 DE 2321594 C3 DE2321594 C3 DE 2321594C3 DE 2321594 A DE2321594 A DE 2321594A DE 2321594 A DE2321594 A DE 2321594A DE 2321594 C3 DE2321594 C3 DE 2321594C3
- Authority
- DE
- Germany
- Prior art keywords
- compound
- wastewater
- waste water
- chromium
- percent
- 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
Links
- 238000000034 method Methods 0.000 title claims description 37
- 230000008569 process Effects 0.000 title claims description 14
- 239000007864 aqueous solution Substances 0.000 title claims description 7
- 239000002351 wastewater Substances 0.000 claims description 67
- 239000011651 chromium Substances 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 37
- NAVJNPDLSKEXSP-UHFFFAOYSA-N Fe(CN)2 Chemical class N#C[Fe]C#N NAVJNPDLSKEXSP-UHFFFAOYSA-N 0.000 claims description 32
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 28
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 25
- 229910052804 chromium Inorganic materials 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 17
- PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 claims description 16
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 12
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 12
- 239000004571 lime Substances 0.000 claims description 12
- 239000002244 precipitate Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 150000001768 cations Chemical class 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- -1 dithionite ion Chemical group 0.000 claims description 5
- 231100000252 nontoxic Toxicity 0.000 claims description 5
- 230000003000 nontoxic effect Effects 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 150000008040 ionic compounds Chemical class 0.000 claims description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims 1
- 239000000243 solution Substances 0.000 description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 21
- 238000000576 coating method Methods 0.000 description 19
- 239000011701 zinc Substances 0.000 description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 229910052725 zinc Inorganic materials 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 6
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- PANJMBIFGCKWBY-UHFFFAOYSA-N iron tricyanide Chemical compound N#C[Fe](C#N)C#N PANJMBIFGCKWBY-UHFFFAOYSA-N 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- YAGKRVSRTSUGEY-UHFFFAOYSA-N ferricyanide Chemical compound [Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YAGKRVSRTSUGEY-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 235000011132 calcium sulphate Nutrition 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000003113 alkalizing effect Effects 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 231100000925 very toxic Toxicity 0.000 description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 2
- 229910000165 zinc phosphate Inorganic materials 0.000 description 2
- 229910001008 7075 aluminium alloy Inorganic materials 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- 241001080173 Ridens Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000007744 chromate conversion coating Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012470 diluted sample Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- VCSZKSHWUBFOOE-UHFFFAOYSA-N dioxidanium;sulfate Chemical compound O.O.OS(O)(=O)=O VCSZKSHWUBFOOE-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000004698 iron complex Chemical class 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
-
- 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
- C02F2101/203—Iron or iron compound
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/903—Nitrogenous
- Y10S210/904—-CN containing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00285190A US3819051A (en) | 1972-08-31 | 1972-08-31 | Process for treating wastes containing chromates and/or complex iron cyanides |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2321594A1 DE2321594A1 (de) | 1974-03-21 |
| DE2321594B2 DE2321594B2 (de) | 1974-09-05 |
| DE2321594C3 true DE2321594C3 (de) | 1975-05-28 |
Family
ID=23093154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2321594A Expired DE2321594C3 (de) | 1972-08-31 | 1973-04-28 | Verfahren zur Behandlung von wässrigen Lösungen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3819051A (enExample) |
| JP (1) | JPS5639956B2 (enExample) |
| AU (1) | AU450942B2 (enExample) |
| BR (1) | BR7302323D0 (enExample) |
| CA (1) | CA997648A (enExample) |
| DE (1) | DE2321594C3 (enExample) |
| FR (1) | FR2197821B1 (enExample) |
| GB (1) | GB1389378A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2126846C1 (ru) * | 1998-01-26 | 1999-02-27 | Государственный научный центр - Научно-исследовательский институт атомных реакторов | Способ анионообменного разделения хрома и ванадия |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896209A (en) * | 1973-01-22 | 1975-07-22 | Du Pont | Reduction of hexavalent chromium |
| FR2283866A1 (fr) * | 1974-09-09 | 1976-04-02 | Sidic | Procede et installation d'epuration des eaux residuaires des traitements de surface par voie chimique |
| US4072605A (en) * | 1975-11-28 | 1978-02-07 | Automated Medical Systems, Inc. | Method of obtaining a precipitate of metallic ions from solutions containing low concentrations of metal salts |
| US4374230A (en) * | 1976-07-14 | 1983-02-15 | El Paso Polyolefins Company | Stabilized polyolefin compositions |
| IT1123734B (it) * | 1979-09-25 | 1986-04-30 | Acna | Processo per la rimozione del cromo totale dalle acque residue dei bagni di tintura con coloranti al mordente |
| US4312760A (en) * | 1980-02-19 | 1982-01-26 | Neville Roy G | Method for the removal of free and complex cyanides from water |
| JPS60255192A (ja) * | 1984-06-01 | 1985-12-16 | Kurita Water Ind Ltd | シアン含有廃水およびクロム含有廃水の処理方法 |
| US5234603A (en) * | 1991-06-04 | 1993-08-10 | Analytical Development Corporation | Methods employing a zirconium salt for use in wastewater treatment |
| DE4214974A1 (de) * | 1992-05-06 | 1993-11-11 | Ultra Systems Gmbh Uv Oxidatio | Zerstörung von freien und komplexen Cyaniden, AOX, Mineralöl, Komplexbildnern, CSB, Nitrit, Chromat und Abtrennung von Metallen in Abwässern |
| WO2010057225A2 (en) * | 2008-11-11 | 2010-05-20 | Afrisam (South Africa) (Pty) Ltd | ADDITIVES FOR Cr (VI) REDUCTION IN CEMENT, SLAGS, MORTARS, CONCRETE, WASTE WATER AND MINING INDUSTRY WASTE |
| CN103725882B (zh) * | 2013-12-13 | 2015-06-17 | 东北大学 | 一种从含有铬离子和铁离子的溶液中提取铬的方法 |
| EP3428321A1 (en) * | 2017-07-10 | 2019-01-16 | Tata Steel IJmuiden B.V. | Method of producing an electrolyte for electrodeposition of a chromium-chromium oxide layer |
| CN119614870B (zh) * | 2024-12-09 | 2025-10-17 | 中铝郑州有色金属研究院有限公司 | 一种回收利用大修渣与含铬铝泥的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2038969A (en) * | 1934-02-01 | 1936-04-28 | American Smelting Refining | Separating zinc and cadmium in sulphate solution |
| US3575853A (en) * | 1968-12-24 | 1971-04-20 | Lab Betz Inc | Waste water treatment |
| US3575854A (en) * | 1969-04-14 | 1971-04-20 | M & T Chemicals Inc | Rapid setiling of gelatinous precipitates |
| US3729413A (en) * | 1970-04-22 | 1973-04-24 | Nikex Nehezipari Kulkere | Process for the removal of cyanide from sewage by means of formaldehyde |
| US3715308A (en) * | 1971-06-04 | 1973-02-06 | Oxy Metal Finishing Corp | Apparatus and process for treating toxic waste materials |
-
1972
- 1972-08-31 US US00285190A patent/US3819051A/en not_active Expired - Lifetime
-
1973
- 1973-02-15 AU AU52196/73A patent/AU450942B2/en not_active Expired
- 1973-02-26 JP JP2304773A patent/JPS5639956B2/ja not_active Expired
- 1973-03-05 CA CA165,264A patent/CA997648A/en not_active Expired
- 1973-03-30 BR BR732323A patent/BR7302323D0/pt unknown
- 1973-04-27 FR FR7315572A patent/FR2197821B1/fr not_active Expired
- 1973-04-28 DE DE2321594A patent/DE2321594C3/de not_active Expired
- 1973-04-30 GB GB2035373A patent/GB1389378A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2126846C1 (ru) * | 1998-01-26 | 1999-02-27 | Государственный научный центр - Научно-исследовательский институт атомных реакторов | Способ анионообменного разделения хрома и ванадия |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1389378A (en) | 1975-04-03 |
| JPS5639956B2 (enExample) | 1981-09-17 |
| AU450942B2 (en) | 1974-07-25 |
| BR7302323D0 (pt) | 1974-09-24 |
| DE2321594A1 (de) | 1974-03-21 |
| JPS4967444A (enExample) | 1974-06-29 |
| AU5219673A (en) | 1974-07-25 |
| FR2197821A1 (enExample) | 1974-03-29 |
| DE2321594B2 (de) | 1974-09-05 |
| FR2197821B1 (enExample) | 1976-06-11 |
| US3819051A (en) | 1974-06-25 |
| CA997648A (en) | 1976-09-28 |
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