FR2477521A1 - Procede de purification de solutions aqueuses de rebut pour les debarrasser de metaux lourds - Google Patents
Procede de purification de solutions aqueuses de rebut pour les debarrasser de metaux lourds Download PDFInfo
- Publication number
- FR2477521A1 FR2477521A1 FR8103395A FR8103395A FR2477521A1 FR 2477521 A1 FR2477521 A1 FR 2477521A1 FR 8103395 A FR8103395 A FR 8103395A FR 8103395 A FR8103395 A FR 8103395A FR 2477521 A1 FR2477521 A1 FR 2477521A1
- Authority
- FR
- France
- Prior art keywords
- water
- solution
- ions
- heavy metals
- sulphide
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 21
- 238000000746 purification Methods 0.000 title claims description 9
- 239000002699 waste material Substances 0.000 title abstract description 6
- -1 SULPHIDE IONS Chemical class 0.000 claims abstract description 23
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 13
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 9
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 7
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000009388 chemical precipitation Methods 0.000 claims abstract 2
- 239000002244 precipitate Substances 0.000 claims description 12
- 229910052718 tin Inorganic materials 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011260 aqueous acid Substances 0.000 claims 1
- 229940091658 arsenic Drugs 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 17
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract description 11
- 239000002253 acid Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 41
- 239000000243 solution Substances 0.000 description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000001556 precipitation Methods 0.000 description 15
- 150000004763 sulfides Chemical class 0.000 description 13
- 239000011701 zinc Substances 0.000 description 11
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910052979 sodium sulfide Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000011669 selenium Substances 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 150000004692 metal hydroxides Chemical class 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000543381 Cliftonia monophylla Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052977 alkali metal sulfide Inorganic materials 0.000 description 1
- 150000001340 alkali metals 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
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 229910001439 antimony ion Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000000720 eyelash Anatomy 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 101150006061 neur gene Proteins 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 235000009991 pite Nutrition 0.000 description 1
- 244000293655 pite Species 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Inorganic materials O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XPDICGYEJXYUDW-UHFFFAOYSA-N tetraarsenic tetrasulfide Chemical compound S1[As]2S[As]3[As]1S[As]2S3 XPDICGYEJXYUDW-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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical 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
- C02F2101/103—Arsenic 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
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8001720A SE420487B (sv) | 1980-03-05 | 1980-03-05 | Forfarande for rening av tungmetallinnehallande sur vattenlosning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2477521A1 true FR2477521A1 (fr) | 1981-09-11 |
Family
ID=20340422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8103395A Withdrawn FR2477521A1 (fr) | 1980-03-05 | 1981-02-20 | Procede de purification de solutions aqueuses de rebut pour les debarrasser de metaux lourds |
Country Status (11)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611448A1 (de) * | 1986-04-05 | 1987-10-15 | Gewerk Keramchemie | Verfahren zur behandlung von abwasser |
| DE3622597A1 (de) * | 1986-07-04 | 1988-01-07 | Budenheim Rud A Oetker Chemie | Verfahren zur faellung und abtrennung von cadmiumsulfid aus den raffinaten der phosphorsaeurereinigung |
| NL8700498A (nl) * | 1987-02-27 | 1988-09-16 | Dhv Raadgevend Ing | Werkwijze voor de verwijdering van zware metalen uit afvalwater. |
| SE465513B (sv) * | 1988-10-11 | 1991-09-23 | Boliden Contech Ab | Foerfarande foer rening av foerorenade vattenloesningar |
| DE4132679C2 (de) * | 1991-10-01 | 2000-10-05 | Kronos Titan Gmbh & Co Ohg | Entfernung von Schwermetallen aus Abwässern der Titandioxidindustrie |
| US5294417A (en) * | 1992-04-06 | 1994-03-15 | Olin Corporation | Process for removal of mercury from hydroxyl-ammonium nitrate solutions |
| US5262063A (en) * | 1992-05-14 | 1993-11-16 | Elf Atochem North America, Inc. | Multiple-stage precipitation process for heavy metals in aqueous solution |
| US5338460A (en) * | 1993-04-22 | 1994-08-16 | Elf Atochem North America, Inc. | Sulfide precipitation of heavy metals from aqueous solutions |
| US5478540A (en) * | 1994-04-22 | 1995-12-26 | Walles; Wilhelm E. | Removal of mercury heavy metal values employing sulfur trioxide |
| US5405588A (en) * | 1994-07-11 | 1995-04-11 | The United States Of America As Represented By The United States Department Of Energy | Process for removing cadmium from scrap metal |
| US5518633A (en) * | 1994-10-21 | 1996-05-21 | E. I. Du Pont De Nemours And Company | Process for treating aqueous media containing metal ions |
| JP3085173B2 (ja) * | 1995-11-22 | 2000-09-04 | 大平洋金属株式会社 | 酸化鉱石からのレアーアースメタルの濃縮分離回収法 |
| ATE195351T1 (de) | 1996-05-20 | 2000-08-15 | Apex Residue Recovery Inc | Aufarbeitung von flugstaub/apc reststoffen einschliesslich die abtrennung von bleisälzen |
| US6117333A (en) * | 1997-04-22 | 2000-09-12 | Union Oil Company Of California | Removal of hydrocarbons, mercury and arsenic from oil-field produced water |
| DE10022867A1 (de) * | 2000-05-10 | 2001-11-22 | Kronos Titan Gmbh & Co Ohg | Verfahren zum Entfernen von Nickel- und Bleiionen aus Eisensalzlösungen |
| CN1274608C (zh) * | 2001-09-03 | 2006-09-13 | 株式会社阿库泰克 | 使用硫化剂的含有重金属的排水的处理方法和处理装置 |
| JP4219138B2 (ja) * | 2002-09-06 | 2009-02-04 | 株式会社クボタ | 重金属不溶化剤の添加方法および装置 |
| CL2008002358A1 (es) * | 2008-08-11 | 2009-02-27 | Xpert Ingenieria Y Produccion S A | Proceso para remoción y estabilización de arsénico y metales pesados desde ácidos residuales con alto contenido de arsénico que comprende contactar el efluente a tratar con acido sulfhídrico y precipitar sulfuros de arsénico insolubles a ph menor de 2; y sistema para la remoción y estabilización de arsénico desde efluentes industriales ácidos, principalmente líquidos provenientes del lavado de gases de fundición de metales no ferrosos. |
| CN102603097B (zh) * | 2012-03-23 | 2014-03-19 | 郑州鸿跃环保科技有限公司 | 含重金属离子废水深度处理及回用工艺 |
| WO2014061038A1 (en) | 2012-10-18 | 2014-04-24 | Hindalco Industries Limited | A novel process for treatment of effluent from copper manufacturing process |
| CN108640390B (zh) * | 2018-05-31 | 2021-10-22 | 阳谷祥光铜业有限公司 | 一种含锑废水的处理方法 |
| DE102018125677A1 (de) * | 2018-10-16 | 2020-04-16 | Eisenmann Se | Verfahren zur Fällung von Arsen und Schwermetall aus saurem Prozesswasser |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1032595A (fr) * | 1949-11-15 | 1953-07-02 | Chemical Construction Corp | Perfectionnements à la concentration des métaux non-ferreux sous forme de sulfuresà partir d'un concentrat de minerais contenant une certaine teneur en métaux non-ferreux |
| US2726953A (en) * | 1954-06-21 | 1955-12-13 | Chemical Construction Corp | Selective nucleated precipitation from acidic solutions |
| FR1226788A (fr) * | 1959-05-05 | 1960-08-16 | Sherritt Gordon Mines Ltd | Procédé de traitement de minerais latéritiques |
| US3421850A (en) * | 1965-07-02 | 1969-01-14 | Anaconda Co | Separate recovery of copper sulfide and zinc sulfide from aqueous solutions containing water-soluble salts of copper and zinc |
| US3740331A (en) * | 1971-06-23 | 1973-06-19 | Sybron Corp | Method for precipitation of heavy metal sulfides |
| FR2164614A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-12-23 | 1973-08-03 | Univ Sherbrooke | |
| FR2230595A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-05-25 | 1974-12-20 | American Cyanamid Co | |
| US4102784A (en) * | 1976-04-27 | 1978-07-25 | Schlauch Richard M | Colloid free precipitation of heavy metal sulfides |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2755172A (en) * | 1949-11-15 | 1956-07-17 | Chemical Construction Corp | Selective replacement of metal sulfides |
| JPS4911810A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-05-16 | 1974-02-01 |
-
1980
- 1980-03-05 SE SE8001720A patent/SE420487B/sv not_active IP Right Cessation
-
1981
- 1981-02-17 PT PT72522A patent/PT72522B/pt unknown
- 1981-02-19 CA CA000371253A patent/CA1165907A/en not_active Expired
- 1981-02-20 FR FR8103395A patent/FR2477521A1/fr not_active Withdrawn
- 1981-02-23 ES ES499707A patent/ES499707A0/es active Granted
- 1981-03-02 GR GR64280A patent/GR74477B/el unknown
- 1981-03-03 PH PH25306A patent/PH16981A/en unknown
- 1981-03-04 JP JP56500779A patent/JPS57500233A/ja active Pending
- 1981-03-04 US US06/558,552 patent/US4503017A/en not_active Expired - Fee Related
- 1981-03-04 WO PCT/SE1981/000060 patent/WO1981002569A1/en active Application Filing
- 1981-03-05 IT IT20139/81A patent/IT1136915B/it active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1032595A (fr) * | 1949-11-15 | 1953-07-02 | Chemical Construction Corp | Perfectionnements à la concentration des métaux non-ferreux sous forme de sulfuresà partir d'un concentrat de minerais contenant une certaine teneur en métaux non-ferreux |
| US2726953A (en) * | 1954-06-21 | 1955-12-13 | Chemical Construction Corp | Selective nucleated precipitation from acidic solutions |
| FR1226788A (fr) * | 1959-05-05 | 1960-08-16 | Sherritt Gordon Mines Ltd | Procédé de traitement de minerais latéritiques |
| US3421850A (en) * | 1965-07-02 | 1969-01-14 | Anaconda Co | Separate recovery of copper sulfide and zinc sulfide from aqueous solutions containing water-soluble salts of copper and zinc |
| US3740331A (en) * | 1971-06-23 | 1973-06-19 | Sybron Corp | Method for precipitation of heavy metal sulfides |
| FR2164614A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-12-23 | 1973-08-03 | Univ Sherbrooke | |
| FR2230595A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-05-25 | 1974-12-20 | American Cyanamid Co | |
| US4102784A (en) * | 1976-04-27 | 1978-07-25 | Schlauch Richard M | Colloid free precipitation of heavy metal sulfides |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1981002569A1 (en) | 1981-09-17 |
| PH16981A (en) | 1984-05-04 |
| ES8204697A1 (es) | 1982-05-01 |
| CA1165907A (en) | 1984-04-17 |
| JPS57500233A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-02-12 |
| ES499707A0 (es) | 1982-05-01 |
| IT1136915B (it) | 1986-09-03 |
| US4503017A (en) | 1985-03-05 |
| GR74477B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-06-28 |
| SE8001720L (sv) | 1981-09-06 |
| IT8120139A0 (it) | 1981-03-05 |
| PT72522B (en) | 1982-02-10 |
| SE420487B (sv) | 1981-10-12 |
| PT72522A (en) | 1981-03-01 |
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