ZA200302544B - Method and apparatus for treatment of water wastewater. - Google Patents
Method and apparatus for treatment of water wastewater. Download PDFInfo
- Publication number
- ZA200302544B ZA200302544B ZA200302544A ZA200302544A ZA200302544B ZA 200302544 B ZA200302544 B ZA 200302544B ZA 200302544 A ZA200302544 A ZA 200302544A ZA 200302544 A ZA200302544 A ZA 200302544A ZA 200302544 B ZA200302544 B ZA 200302544B
- Authority
- ZA
- South Africa
- Prior art keywords
- sludge
- water
- mixing
- outlet
- granular material
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 74
- 239000002351 wastewater Substances 0.000 title abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 128
- 238000002156 mixing Methods 0.000 claims abstract description 64
- 239000007787 solid Substances 0.000 claims description 63
- 239000003153 chemical reaction reagent Substances 0.000 claims description 28
- 239000008187 granular material Substances 0.000 claims description 28
- 239000002002 slurry Substances 0.000 claims description 17
- 239000011575 calcium Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 12
- 239000002198 insoluble material Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000005189 flocculation Methods 0.000 claims description 9
- 230000016615 flocculation Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000701 coagulant Substances 0.000 claims description 7
- 230000000368 destabilizing effect Effects 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 230000003311 flocculating effect Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 4
- 238000010008 shearing Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 31
- 239000000463 material Substances 0.000 description 30
- 239000002245 particle Substances 0.000 description 27
- 238000001556 precipitation Methods 0.000 description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 12
- 238000000926 separation method Methods 0.000 description 12
- 239000000356 contaminant Substances 0.000 description 11
- 239000000470 constituent Substances 0.000 description 9
- 239000000084 colloidal system Substances 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000001687 destabilization Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 229910019440 Mg(OH) Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009388 chemical precipitation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 salts thereof Chemical class 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002562 thickening agent Substances 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
-
- 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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/12—Inert solids used as ballast for improving sedimentation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
-
- 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)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24540800P | 2000-11-02 | 2000-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200302544B true ZA200302544B (en) | 2004-04-01 |
Family
ID=22926528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200302544A ZA200302544B (en) | 2000-11-02 | 2003-04-01 | Method and apparatus for treatment of water wastewater. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6919031B2 (zh) |
| EP (1) | EP1330414B9 (zh) |
| JP (1) | JP2004512937A (zh) |
| KR (1) | KR100851456B1 (zh) |
| CN (1) | CN1261369C (zh) |
| AT (1) | ATE499325T1 (zh) |
| AU (2) | AU2009302A (zh) |
| BR (1) | BR0114877B1 (zh) |
| DE (1) | DE60144102D1 (zh) |
| DK (1) | DK1330414T3 (zh) |
| ES (1) | ES2364628T3 (zh) |
| HK (1) | HK1057740A1 (zh) |
| MX (1) | MXPA03003823A (zh) |
| WO (1) | WO2002036500A2 (zh) |
| ZA (1) | ZA200302544B (zh) |
Families Citing this family (60)
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| US6607671B2 (en) * | 2001-08-15 | 2003-08-19 | Texaco Inc. | Reactor and solids settler for grey water treatment |
| FR2833939B1 (fr) * | 2001-12-21 | 2004-10-29 | Omnium Traitement Valorisa | Procede de traitement d'eau par floculation lestee et decantation |
| US7407592B2 (en) * | 2002-04-17 | 2008-08-05 | Nutech 03, Inc. | Ozone retention method and system |
| US7416660B2 (en) * | 2002-04-17 | 2008-08-26 | Nutech 03, Inc. | Bypass flow and ozone proportion method and system |
| US6869540B2 (en) | 2002-04-17 | 2005-03-22 | Nutech 03 | Ballast water ozone injection method and system |
| US7381338B2 (en) * | 2002-04-17 | 2008-06-03 | Nutech 03, Inc. | Ballast water treatment system and method without off-gas |
| US7402253B2 (en) | 2002-04-17 | 2008-07-22 | Nutech 03, Inc. | Controlled bypass flow and ozone proportion method and system |
| AT5702U3 (de) * | 2002-07-17 | 2003-09-25 | Plasser Bahnbaumasch Franz | Verfahren zur reinigung von schotter eines gleises |
| US20060108273A1 (en) * | 2004-02-06 | 2006-05-25 | Perri Joyce S | Ballasted flocculation process and system incorporating an electro-coagulation reactor for treating water or wastewater |
| FR2888761B1 (fr) * | 2005-07-25 | 2007-09-14 | Otv Sa | Dispostif de separation gravitaire pour le traitement des eaux |
| US7695630B2 (en) * | 2005-11-15 | 2010-04-13 | De Guevara Cesar Ladron | Process for conditioning an aqueous solution for efficient colloidal precipitation |
| FR2899891B1 (fr) * | 2006-04-18 | 2008-05-30 | Amenagement Urbain & Rural | Procede et installation de traitement d'un effluent charge de matieres en suspension avec lestant injecte en zone tranquillisee |
| US7820053B2 (en) * | 2006-09-27 | 2010-10-26 | Cort Steven L | Magnetic separation and seeding to improve ballasted clarification of water |
| US20080073279A1 (en) * | 2006-09-27 | 2008-03-27 | Cort Steven L | High Rate Clarification of Cooling Water Using Magnetite Seeding and Separation |
| US7815804B2 (en) * | 2006-12-12 | 2010-10-19 | Otv Sa S.A. | Method for treating wastewater or produced water |
| US10023487B2 (en) | 2006-12-12 | 2018-07-17 | Veolia Water Solutions & Technologies Support | Method of recovering oil or gas and treating the resulting produced water |
| FR2910822B1 (fr) * | 2006-12-29 | 2009-02-27 | Otv Sa | Procede et installation de traitement d'eau par floculation lestee et decantation |
| 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 |
| US8840786B2 (en) | 2007-01-09 | 2014-09-23 | Evoqua Water Technologies Llc | System and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water |
| US20110036771A1 (en) | 2007-01-09 | 2011-02-17 | Steven Woodard | Ballasted anaerobic system and method for treating wastewater |
| US8491794B2 (en) | 2007-10-23 | 2013-07-23 | Siemens Industry, Inc. | Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance |
| US8491788B2 (en) * | 2007-10-23 | 2013-07-23 | Siemens Industry, Inc. | Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance |
| US7520993B1 (en) * | 2007-12-06 | 2009-04-21 | Water & Power Technologies, Inc. | Water treatment process for oilfield produced water |
| US8353641B2 (en) * | 2008-02-14 | 2013-01-15 | Soane Energy, Llc | Systems and methods for removing finely dispersed particulate matter from a fluid stream |
| US8349188B2 (en) * | 2008-02-14 | 2013-01-08 | Soane Mining, Llc | Systems and methods for removing finely dispersed particulate matter from a fluid stream |
| US20100072142A1 (en) * | 2008-09-19 | 2010-03-25 | Palo Alto Research Center Incorporated | Method and system for seeding with mature floc to accelerate aggregation in a water treatment process |
| CA2752799A1 (en) | 2009-02-27 | 2010-09-02 | Soane Energy, Llc | Systems, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream |
| US8945394B2 (en) * | 2009-10-27 | 2015-02-03 | Soane Energy, Llc | System, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream |
| KR101075885B1 (ko) * | 2009-04-28 | 2011-10-25 | (주)대우건설 | 응집-경사판 침전지를 전처리로 한 가압식 정밀여과기와 회수율 증대를 위한 공극제어형 섬유사여과기를 이용한 정수 처리 장치 및 방법 |
| US20110000861A1 (en) * | 2009-07-06 | 2011-01-06 | Bear Creek Services, LLC. | Portable and Scalable Water Reclamation System and Method |
| US8980059B2 (en) | 2009-08-12 | 2015-03-17 | Nanopaper, Llc | High strength paper |
| JP4875128B2 (ja) * | 2009-10-15 | 2012-02-15 | 株式会社東芝 | 固形物分離システム |
| CA2777987A1 (en) | 2009-10-20 | 2011-04-28 | Soane Mining, Llc | Systems and methods for recovering fine particles from fluid suspensions for combustion |
| CA2734310C (en) | 2010-03-17 | 2014-01-28 | Soane Mining, Llc | Removal of contaminants from waste streams using polymeric additives |
| FR2958927B1 (fr) * | 2010-04-20 | 2012-05-25 | Otv Sa | Procede de traitement d'eau par floculation lestee mettant en oeuvre un agent floculant d'origine naturelle |
| RU2482073C2 (ru) * | 2010-12-24 | 2013-05-20 | Общество с ограниченной ответственностью "Полимеры" | Способ очистки воды |
| US9682876B2 (en) | 2011-05-13 | 2017-06-20 | ProAct Services Corporation | System and method for the treatment of wastewater |
| US9790153B2 (en) | 2011-11-14 | 2017-10-17 | Cameron International Corporation | Process scheme to improve divalent metal salts removal from mono ethylene glycol (MEG) |
| US8845906B2 (en) * | 2011-12-23 | 2014-09-30 | Don E. Henley And Associates, Llc | Process for single system electrocoagulation, magnetic, cavitation and flocculation (EMC/F) treatment of water and wastewater |
| US9828262B2 (en) * | 2012-03-26 | 2017-11-28 | Veolia Water Solutions & Technologies Support | Method for removing calcium, barium, magnesium and strontium from frac flowback |
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| BR112014029110A2 (pt) * | 2012-05-25 | 2017-06-27 | Veolia Water Solutions & Tech | processo de amolecimento e tratamento de água, processo de floculação com lastro para amolecimento de água e remoção de sólidos suspensos na água, e, método de amolecimento de água. |
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| US9651523B2 (en) | 2012-09-26 | 2017-05-16 | Evoqua Water Technologies Llc | System for measuring the concentration of magnetic ballast in a slurry |
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| RU2549420C2 (ru) * | 2013-07-11 | 2015-04-27 | Федеральное государственное бюджетное учреждение науки Институт социально-экономических и энергетических проблем Севера Коми научного центра Уральского отделения Российской академии наук | Способ очистки природной воды |
| US11291931B2 (en) | 2014-12-15 | 2022-04-05 | Akadeum Life Sciences, Inc. | Method and system for buoyant separation |
| EP3106438A1 (en) | 2015-06-19 | 2016-12-21 | Veolia Water Solutions & Technologies Support | Water softening treatment using in-situ ballasted flocculation system |
| CA3024163A1 (en) * | 2016-06-06 | 2017-12-14 | Evoqua Water Technologies Llc | Removing heavy metals in a ballasted process |
| US10626031B2 (en) | 2016-08-24 | 2020-04-21 | Heritage Research Group | Treatment of sludges and flocculants using insoluble mineral colloidal suspensions |
| WO2018039411A1 (en) * | 2016-08-24 | 2018-03-01 | Heritage Research Group | Treatment of sludges and flocculants using insoluble magnesium hydroxide colloidal suspensions |
| WO2020014273A1 (en) | 2018-07-09 | 2020-01-16 | Akadeum Life Sciences, Inc. | System and method for buoyant particle processing |
| WO2020014109A1 (en) | 2018-07-10 | 2020-01-16 | Veolia Water Solutions & Technologies Support | Process for treating frac flowback and produced water including naturally occurring radioactive material |
| CN110015810A (zh) * | 2019-04-01 | 2019-07-16 | 江苏道明化学有限公司 | 一种新型沉淀废水排放的方法 |
| US11819842B2 (en) | 2021-08-26 | 2023-11-21 | Akadeum Life Sciences, Inc. | Method and system for buoyant separation |
| WO2024173590A1 (en) | 2023-02-14 | 2024-08-22 | Akadeum Life Sciences, Inc. | Method and system for partially or fully automated buoyancy-assisted separation |
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| US4388195A (en) * | 1979-07-05 | 1983-06-14 | Passavant-Werke Michelbacher Hutte | Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents |
| JPS6111196A (ja) * | 1984-06-28 | 1986-01-18 | Mitsubishi Heavy Ind Ltd | 化学洗浄廃液の処理方法 |
| JPS6111193A (ja) * | 1984-06-28 | 1986-01-18 | Mitsubishi Heavy Ind Ltd | 化学洗浄廃液の処理方法 |
| IT1184932B (it) * | 1985-03-27 | 1987-10-28 | Luigi Verde | Procedimento perfezionato per la depurazione delle acque mediante chiariflocculazione |
| CA1336020C (en) * | 1987-08-17 | 1995-06-20 | Geoffrey Robert. Browne | Clarification process |
| FR2627704B1 (fr) | 1988-02-25 | 1991-12-13 | Ile France Syndicat Eaux | Procede et installation de traitement d'eau par decantation faisant intervenir du sable fin |
| JP2628535B2 (ja) * | 1989-02-18 | 1997-07-09 | 光整工株式会社 | 高ｂｏｄ，ｃｏｄ廃液の浄化処理法 |
| US5039428B1 (en) | 1990-03-05 | 1994-04-12 | Tetra Technologoes Inc | Waste water treatment process using improved recycle of high density sludge |
| AU617290B3 (en) * | 1991-05-27 | 1991-10-04 | Hoefer, Dawn Annette | Process for removing silica from aqueous liquors |
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| 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 |
| FR2739094B1 (fr) | 1995-09-21 | 1997-12-19 | Omnium Traitement Valorisa | Procede et installation de dessablage et de decantation physico-chimique d'effluents urbains ou industriels |
| US5800717A (en) | 1996-10-02 | 1998-09-01 | Microsep International Corporation | Water and wastewater treatment system with internal recirculation |
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| FR2769613A1 (fr) | 1997-10-14 | 1999-04-16 | Omnium Traitement Valorisa | Procede de traitement par voie physico-chimique des eaux et installation pour la mise en oeuvre d'un tel procede |
| KR100275004B1 (ko) * | 1998-09-25 | 2000-12-15 | 최춘식 | 고속응집침전형 오폐수처리방법 |
| FR2801878B1 (fr) | 1999-12-03 | 2002-02-22 | Degremont | Procede et installation de clarification des liquides et suspensions par floculation lestee et decantation |
-
2001
- 2001-11-02 EP EP01992688A patent/EP1330414B9/en not_active Expired - Lifetime
- 2001-11-02 AU AU2009302A patent/AU2009302A/xx active Pending
- 2001-11-02 AU AU2002220093A patent/AU2002220093B2/en not_active Ceased
- 2001-11-02 JP JP2002539266A patent/JP2004512937A/ja active Pending
- 2001-11-02 MX MXPA03003823A patent/MXPA03003823A/es unknown
- 2001-11-02 ES ES01992688T patent/ES2364628T3/es not_active Expired - Lifetime
- 2001-11-02 DE DE60144102T patent/DE60144102D1/de not_active Expired - Lifetime
- 2001-11-02 DK DK01992688.0T patent/DK1330414T3/da active
- 2001-11-02 US US10/001,208 patent/US6919031B2/en not_active Expired - Lifetime
- 2001-11-02 AT AT01992688T patent/ATE499325T1/de not_active IP Right Cessation
- 2001-11-02 WO PCT/US2001/045595 patent/WO2002036500A2/en active Application Filing
- 2001-11-02 KR KR1020037006058A patent/KR100851456B1/ko active IP Right Grant
- 2001-11-02 CN CNB018183476A patent/CN1261369C/zh not_active Expired - Fee Related
- 2001-11-02 BR BRPI0114877-0A patent/BR0114877B1/pt not_active IP Right Cessation
-
2003
- 2003-04-01 ZA ZA200302544A patent/ZA200302544B/en unknown
- 2003-12-16 HK HK03109151.3A patent/HK1057740A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2364628T3 (es) | 2011-09-08 |
| EP1330414A2 (en) | 2003-07-30 |
| JP2004512937A (ja) | 2004-04-30 |
| EP1330414B1 (en) | 2011-02-23 |
| CN1473135A (zh) | 2004-02-04 |
| US6919031B2 (en) | 2005-07-19 |
| AU2009302A (en) | 2002-05-15 |
| WO2002036500A3 (en) | 2003-02-20 |
| WO2002036500A9 (en) | 2004-05-13 |
| ATE499325T1 (de) | 2011-03-15 |
| WO2002036500A2 (en) | 2002-05-10 |
| EP1330414B9 (en) | 2011-09-28 |
| KR20030062324A (ko) | 2003-07-23 |
| KR100851456B1 (ko) | 2008-08-08 |
| US20020088758A1 (en) | 2002-07-11 |
| CN1261369C (zh) | 2006-06-28 |
| MXPA03003823A (es) | 2003-07-11 |
| BR0114877B1 (pt) | 2011-12-13 |
| DE60144102D1 (de) | 2011-04-07 |
| DK1330414T3 (da) | 2011-06-14 |
| AU2002220093B2 (en) | 2006-09-14 |
| HK1057740A1 (en) | 2004-04-16 |
| BR0114877A (pt) | 2003-12-23 |
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