JPS5840192A - 工業廃水の処理 - Google Patents
工業廃水の処理Info
- Publication number
- JPS5840192A JPS5840192A JP57139080A JP13908082A JPS5840192A JP S5840192 A JPS5840192 A JP S5840192A JP 57139080 A JP57139080 A JP 57139080A JP 13908082 A JP13908082 A JP 13908082A JP S5840192 A JPS5840192 A JP S5840192A
- Authority
- JP
- Japan
- Prior art keywords
- wastewater
- solids
- sludge
- reactor
- wastewater treatment
- 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.)
- Granted
Links
- 239000010842 industrial wastewater Substances 0.000 title abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 66
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 57
- 239000010802 sludge Substances 0.000 claims abstract description 54
- 239000002002 slurry Substances 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 44
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 41
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 18
- 159000000007 calcium salts Chemical class 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 10
- 239000008213 purified water Substances 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims description 81
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000004576 sand Substances 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000004571 lime Substances 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- 229910003439 heavy metal oxide Inorganic materials 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims 2
- 239000000292 calcium oxide Substances 0.000 claims 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 2
- 239000001095 magnesium carbonate Substances 0.000 claims 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 2
- 239000000725 suspension Substances 0.000 abstract description 13
- 150000003839 salts Chemical class 0.000 abstract description 9
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 2
- 239000002699 waste material Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 20
- 239000011133 lead Substances 0.000 description 16
- 229910052793 cadmium Inorganic materials 0.000 description 15
- 239000011701 zinc Substances 0.000 description 15
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 14
- 238000006386 neutralization reaction Methods 0.000 description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 13
- 229910052725 zinc Inorganic materials 0.000 description 13
- 230000003247 decreasing effect Effects 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 11
- 239000011572 manganese Substances 0.000 description 11
- 239000002562 thickening agent Substances 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 9
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 7
- 238000003914 acid mine drainage Methods 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000002352 surface water Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- -1 acid mine drainage Chemical compound 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910001447 ferric ion Inorganic materials 0.000 description 3
- 229910001448 ferrous ion Inorganic materials 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 2
- 150000001674 calcium compounds Chemical class 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 241000272201 Columbiformes Species 0.000 description 1
- 101150023830 PYR1 gene Proteins 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- BPGBAEXPBQHBSV-UHFFFAOYSA-N pyr1 Chemical compound C1=C2C3=C(C)C(C(NC=C4)=O)=C4C(C)=C3NC2=CC=C1OC(=O)C1=CC=CC=C1 BPGBAEXPBQHBSV-UHFFFAOYSA-N 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- C02F1/5281—Installations for water purification using chemical 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
- 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
-
- 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
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Removal Of Specific Substances (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US291439 | 1981-08-10 | ||
| US06291439 US4465597B2 (en) | 1981-08-10 | 1981-08-10 | Treatment of industrial wastewaters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5840192A true JPS5840192A (ja) | 1983-03-09 |
| JPS61156B2 JPS61156B2 (enExample) | 1986-01-06 |
Family
ID=23120289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57139080A Granted JPS5840192A (ja) | 1981-08-10 | 1982-08-10 | 工業廃水の処理 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4465597B2 (enExample) |
| EP (1) | EP0072012B1 (enExample) |
| JP (1) | JPS5840192A (enExample) |
| AT (1) | ATE25659T1 (enExample) |
| AU (1) | AU546971B2 (enExample) |
| CA (1) | CA1183974A (enExample) |
| DE (1) | DE3275537D1 (enExample) |
| ZA (1) | ZA825411B (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303557A (nl) * | 1983-10-17 | 1985-05-17 | Dhv Raadgevend Ing | Werkwijze voor de verwijdering van zware metalen uit afvalwater. |
| US4606829A (en) * | 1984-06-13 | 1986-08-19 | Bethlehem Steel Corporation | Removal of complexed zinc-cyanide from wastewater with improved sludge stability |
| US4543189A (en) * | 1984-06-13 | 1985-09-24 | Bethlehem Steel Corp. | Removal of complexed zinc-cyanide from wastewater |
| AU600289B2 (en) * | 1986-07-22 | 1990-08-09 | Commonwealth Scientific And Industrial Research Organisation | Coating photoactive metal oxides onto substrates |
| US5259697A (en) * | 1987-06-18 | 1993-11-09 | Bethlehem Steel Corporation | Composition and process for forming low permeability barriers for waste disposal sites |
| DE3808088A1 (de) * | 1987-07-09 | 1989-01-19 | Degussa | Verfahren zur abtrennung von schwermetallionen aus industrieabwaessern |
| EP0298253A3 (de) * | 1987-07-09 | 1989-09-20 | Degussa Aktiengesellschaft | Verfahren zur Abtrennung von Schwermetallionen aus Industrieabwässern |
| CA1336020C (en) * | 1987-08-17 | 1995-06-20 | Geoffrey Robert. Browne | Clarification process |
| GB2216114A (en) * | 1988-03-30 | 1989-10-04 | Stig Arvid Henrikson | A continuous chemical precipitation process for water using lime |
| WO1989009192A1 (en) * | 1988-03-31 | 1989-10-05 | Commonwealth Scientific And Industrial Research Or | Hydrometallurgical effluent treatment |
| AU617166B2 (en) * | 1988-03-31 | 1991-11-21 | Commonwealth Scientific And Industrial Research Organisation | Hydrometallurgical effluent treatment |
| CH676334A5 (enExample) * | 1988-09-28 | 1991-01-15 | Sulzer Ag | |
| CA1333106C (en) * | 1989-05-24 | 1994-11-15 | Serena Jane Domvile | Process for removal of inorganic and cyanide contaminants from wastewater |
| US5120447A (en) * | 1991-03-06 | 1992-06-09 | Gte Products Corporation | Method for removing heavy metals from wastewater |
| JP3161734B2 (ja) | 1991-12-02 | 2001-04-25 | テクノロジカル リソーシィズ プロプライエタリー リミテッド | 反応装置 |
| US5403495A (en) * | 1992-03-13 | 1995-04-04 | Tetra Technologies, Inc. | Fluoride removal system |
| US5266210A (en) * | 1992-04-15 | 1993-11-30 | Mclaughlin Water Engineers, Ltd. | Process for removing heavy metals from water |
| KR100301612B1 (ko) * | 1992-07-09 | 2001-12-01 | 테리 에이. 매튜스 | 리액터 |
| US5635073A (en) | 1992-09-18 | 1997-06-03 | Kruger As | Method for the purification of metal-containing aqueous media and method of preparing an adsorbent |
| CA2084327A1 (en) * | 1992-12-02 | 1994-06-03 | Nural Kuyucak | Lime neutralization process for treating acidic waters |
| SE508836C2 (sv) * | 1993-04-20 | 1998-11-09 | Boliden Contech Ab | Förfarande för rening av industriellt avloppsvatten genom utfällning i två steg |
| US5378374A (en) * | 1993-10-15 | 1995-01-03 | Andersen; John N. | Lime addition system for water treatment |
| US5616168A (en) * | 1994-02-28 | 1997-04-01 | Kennecott Utah Copper Corporation | Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper |
| US5443622A (en) * | 1994-02-28 | 1995-08-22 | Kennecott Corporation | Hydrometallurgical processing of impurity streams generated during the pyrometallurgy of copper |
| US5549820A (en) * | 1994-03-04 | 1996-08-27 | Eastman Kodak Company | Apparatus for removing a component from solution |
| US5840195A (en) * | 1995-05-01 | 1998-11-24 | Omnium De Traitement Et De Valorisation | Method and installation for treating an untreated flow by simple sedimentation after ballasting with fine sand |
| FR2719234B1 (fr) * | 1994-05-02 | 1999-08-13 | Omnium Traitement Valorisa | Procédé et installation de traitement d'un écoulement brut par décantation simple après lestage au sable fin. |
| US5540836A (en) * | 1994-06-16 | 1996-07-30 | Coyne; Thomas J. | Wastewater treatment system and method |
| US5518633A (en) * | 1994-10-21 | 1996-05-21 | E. I. Du Pont De Nemours And Company | Process for treating aqueous media containing metal ions |
| US5719099A (en) * | 1996-10-22 | 1998-02-17 | Bhat Industries, Inc. | Method and compositions for stabilization of heavy metals, acid gas removal and ph control in contaminated matrices |
| US6348154B1 (en) * | 1997-01-03 | 2002-02-19 | David R. Stewart | Methods to remove metals from water |
| US5792364A (en) * | 1997-04-29 | 1998-08-11 | Bethlehem Steel Corporation | Wastewater treatment process for vacuum degasser effluent |
| AU732237B2 (en) * | 1997-07-02 | 2001-04-12 | Csir | Treatment of water |
| DE19754173A1 (de) * | 1997-12-06 | 1998-07-30 | Bilfinger & Berger Umweltverfa | Verfahren zur Wasserreinigung |
| US5820966A (en) * | 1997-12-09 | 1998-10-13 | Inco Limited | Removal of arsenic from iron arsenic and sulfur dioxide containing solutions |
| JP3169899B2 (ja) * | 1998-07-15 | 2001-05-28 | 日本電気環境エンジニアリング株式会社 | フッ素含有排水の処理方法とその装置 |
| US6984328B2 (en) * | 2000-02-02 | 2006-01-10 | University Of Akron | Method for removing metals from aqueous solutions using mixed lithic materials |
| US6383370B1 (en) | 2000-09-14 | 2002-05-07 | Infilco Degremont Inc. | Apparatus for treating wastewater |
| US20030150817A1 (en) * | 2002-02-11 | 2003-08-14 | Keever Christopher S. | Method and apparatus for treating wastewater |
| US6932909B2 (en) * | 2002-01-15 | 2005-08-23 | Kroff Chemical Company, Inc. | Method of treating mine drainage |
| NL1021495C2 (nl) * | 2002-09-19 | 2004-03-22 | Hoek Loos Bv | Koelsysteem en werkwijze voor gebruik daarvan. |
| AU2004100721B4 (en) * | 2004-08-31 | 2005-07-07 | Bucam Pty Ltd | A Portable or Transportable Water Treatment System |
| CN100345772C (zh) * | 2004-09-08 | 2007-10-31 | 中山大学 | 一种重金属沉淀剂 |
| EP2104649B1 (en) * | 2007-01-09 | 2018-09-19 | Evoqua Water Technologies LLC | System and method for enhancing an activated sludge process |
| US8470172B2 (en) | 2007-01-09 | 2013-06-25 | Siemens Industry, Inc. | System for enhancing a wastewater treatment process |
| US20100213123A1 (en) * | 2007-01-09 | 2010-08-26 | Marston Peter G | Ballasted sequencing batch reactor system and method for treating wastewater |
| EP2107947B1 (en) * | 2007-01-09 | 2016-03-16 | Evoqua Water Technologies LLC | A system and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water |
| EP2101919A4 (en) * | 2007-01-09 | 2012-08-22 | Siemens Industry Inc | IMPROVED COLLECTION SYSTEM FOR WET DRUM MAGNETIC SEPARATOR |
| US20110036771A1 (en) | 2007-01-09 | 2011-02-17 | Steven Woodard | Ballasted anaerobic system and method for treating wastewater |
| US7641801B2 (en) * | 2007-02-28 | 2010-01-05 | Vale Inco Limited | Method for removing manganese from nickel laterite waste liquors |
| US7520993B1 (en) * | 2007-12-06 | 2009-04-21 | Water & Power Technologies, Inc. | Water treatment process for oilfield produced water |
| CN101947381B (zh) * | 2009-07-08 | 2015-01-28 | 东曹株式会社 | 重金属处理剂及重金属污染物质的处理方法 |
| US10919792B2 (en) | 2012-06-11 | 2021-02-16 | Evoqua Water Technologies Llc | Treatment using fixed film processes and ballasted settling |
| US9651523B2 (en) | 2012-09-26 | 2017-05-16 | Evoqua Water Technologies Llc | System for measuring the concentration of magnetic ballast in a slurry |
| CN112390376A (zh) * | 2020-10-20 | 2021-02-23 | 衡阳师范学院 | 废水处理组合物和应用 |
| CN113149245B (zh) * | 2021-04-14 | 2022-04-08 | 四川大学 | 基于水动力因素提高酸性矿山废水处理效率的方法 |
| CN115520983B (zh) * | 2021-06-25 | 2025-12-12 | 中蓝连海设计研究院有限公司 | 一种磷矿选矿酸性废水沉淀剂及其用途 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2340326A (en) * | 1942-05-18 | 1944-02-01 | Lewis Perrault | Apparatus for covering pipe |
| DE1196137B (de) * | 1961-09-11 | 1965-07-01 | Brueckenbau | Verfahren zum Reinigen von Abwaessern und/oder zum Eindicken von Klaerschlamm |
| US3259571A (en) * | 1963-01-07 | 1966-07-05 | Johns Manville | Method for removing iron from water |
| US3235492A (en) * | 1963-03-25 | 1966-02-15 | Johns Manville | Composition for and method of removing impurities from water |
| US3575854A (en) * | 1969-04-14 | 1971-04-20 | M & T Chemicals Inc | Rapid setiling of gelatinous precipitates |
| US3680698A (en) * | 1970-02-25 | 1972-08-01 | Occidental Petroleum Corp | Process for the treatment of slimes and waste solids |
| US3617559A (en) * | 1970-04-30 | 1971-11-02 | Us Interior | Neutralization of ferrous iron-containing acid wastes |
| FR2120550A5 (en) * | 1971-01-08 | 1972-08-18 | Trefilunion | Neutralisn of acid waste water - using lime |
| US3738932A (en) * | 1971-04-19 | 1973-06-12 | Bethlehem Steel Corp | Method for treating acid water containing metallic values |
| US3931007A (en) * | 1972-12-19 | 1976-01-06 | Nippon Electric Company Limited | Method of extracting heavy metals from industrial waste waters |
| US4169053A (en) * | 1975-08-08 | 1979-09-25 | Nippon Electric Co., Ltd. | Method of treating waste waters containing solid-phase difficultly-soluble compounds |
| US4025430A (en) * | 1976-01-12 | 1977-05-24 | Amax Inc. | Removal of metal ions from waste water |
| US4093543A (en) * | 1976-09-22 | 1978-06-06 | Mobil Oil Corporation | Decomposition of formic acid in very low concentration |
| US4186088A (en) * | 1978-02-13 | 1980-01-29 | Scm Corporation | Aqueous ferrous waste conversion process |
-
1981
- 1981-08-10 US US06291439 patent/US4465597B2/en not_active Expired - Fee Related
-
1982
- 1982-07-28 ZA ZA825411A patent/ZA825411B/xx unknown
- 1982-08-03 CA CA000408614A patent/CA1183974A/en not_active Expired
- 1982-08-08 DE DE8282107168T patent/DE3275537D1/de not_active Expired
- 1982-08-08 EP EP82107168A patent/EP0072012B1/en not_active Expired
- 1982-08-08 AT AT82107168T patent/ATE25659T1/de not_active IP Right Cessation
- 1982-08-09 AU AU86975/82A patent/AU546971B2/en not_active Expired
- 1982-08-10 JP JP57139080A patent/JPS5840192A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3275537D1 (en) | 1987-04-09 |
| CA1183974A (en) | 1985-03-12 |
| EP0072012A3 (en) | 1984-11-14 |
| AU546971B2 (en) | 1985-09-26 |
| EP0072012A2 (en) | 1983-02-16 |
| US4465597B1 (en) | 1994-04-25 |
| ATE25659T1 (de) | 1987-03-15 |
| ZA825411B (en) | 1983-06-29 |
| JPS61156B2 (enExample) | 1986-01-06 |
| EP0072012B1 (en) | 1987-03-04 |
| AU8697582A (en) | 1983-02-17 |
| US4465597B2 (en) | 1997-07-01 |
| US4465597A (en) | 1984-08-14 |
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