EA031107B1 - Способ отделения жидкости от суспендированного вещества в отстое и устройство для осуществления способа - Google Patents
Способ отделения жидкости от суспендированного вещества в отстое и устройство для осуществления способа Download PDFInfo
- Publication number
- EA031107B1 EA031107B1 EA201300407A EA201300407A EA031107B1 EA 031107 B1 EA031107 B1 EA 031107B1 EA 201300407 A EA201300407 A EA 201300407A EA 201300407 A EA201300407 A EA 201300407A EA 031107 B1 EA031107 B1 EA 031107B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- chamber
- waste
- volume
- stream
- sludge
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 239000010802 sludge Substances 0.000 title abstract description 64
- 239000007787 solid Substances 0.000 claims abstract description 27
- 239000002699 waste material Substances 0.000 claims description 42
- 239000000126 substance Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000000926 separation method Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000013049 sediment Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 244000060234 Gmelina philippensis Species 0.000 description 1
- 244000236458 Panicum colonum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
- B01D21/286—Means for gentle agitation for enhancing flocculation
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- 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
- C02F2209/40—Liquid flow rate
-
- 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
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
- Centrifugal Separators (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1004284A FR2966818B1 (fr) | 2010-10-29 | 2010-10-29 | Procede de separation entre liquide et matiere en suspension d'une boue et dispositif mettant en oeuvre un tel procede. |
| PCT/FR2011/000582 WO2012056128A1 (fr) | 2010-10-29 | 2011-10-28 | Procede de separation entre liquide et matiere en suspension d'une boue et dispositif mettant en oeuvre un tel procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201300407A1 EA201300407A1 (ru) | 2014-11-28 |
| EA031107B1 true EA031107B1 (ru) | 2018-11-30 |
Family
ID=44010029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201300407A EA031107B1 (ru) | 2010-10-29 | 2011-10-28 | Способ отделения жидкости от суспендированного вещества в отстое и устройство для осуществления способа |
Country Status (26)
| Country | Link |
|---|---|
| US (2) | US9890068B2 (enExample) |
| EP (2) | EP2835357B1 (enExample) |
| JP (1) | JP5827339B2 (enExample) |
| KR (1) | KR101915822B1 (enExample) |
| CN (1) | CN103313942B (enExample) |
| AU (1) | AU2011322381B2 (enExample) |
| BR (1) | BR112013010304B1 (enExample) |
| CA (1) | CA2815956C (enExample) |
| CL (1) | CL2013001181A1 (enExample) |
| CY (1) | CY1115942T1 (enExample) |
| DK (1) | DK2632859T3 (enExample) |
| EA (1) | EA031107B1 (enExample) |
| ES (2) | ES2616280T3 (enExample) |
| FR (1) | FR2966818B1 (enExample) |
| HR (1) | HRP20150015T1 (enExample) |
| IL (2) | IL225998A0 (enExample) |
| MX (1) | MX2013004785A (enExample) |
| MY (1) | MY165268A (enExample) |
| NZ (1) | NZ609897A (enExample) |
| PL (1) | PL2632859T3 (enExample) |
| PT (1) | PT2632859E (enExample) |
| RS (1) | RS53764B1 (enExample) |
| SG (1) | SG190125A1 (enExample) |
| SI (1) | SI2632859T1 (enExample) |
| WO (1) | WO2012056128A1 (enExample) |
| ZA (1) | ZA201303069B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2990212B1 (fr) * | 2012-05-04 | 2015-05-22 | Orege | Procede de recuperation d'hydrocarbures a partir d'une boue et dispositif mettant en oeuvre un tel procede |
| CN103212223B (zh) * | 2012-06-12 | 2016-06-15 | 潘明友 | 一种精矿脱水工艺及装置 |
| FR3013701B1 (fr) * | 2013-11-27 | 2017-07-21 | Orege | Procede et dipsositif de traitement d'un effluent organique. |
| FR3013702A1 (fr) | 2013-11-27 | 2015-05-29 | Orege | Procede et dispositif de traitement de boues liquides, et galettes de boues obtenues avec un tel procede. |
| FR3013699B1 (fr) * | 2013-11-27 | 2017-07-21 | Orege | Procede de desodorisation d'une boue et dispositif mettant en oeuvre un tel procede. |
| CA2931572C (fr) * | 2013-11-27 | 2021-10-26 | Orege | Procede et dispositif de traitement de boues liquides, et galettes de boues obtenues avec un tel procede |
| US10898831B2 (en) * | 2015-07-31 | 2021-01-26 | Iron Horse Tools, LLC | Separating drilling cuttings and gas using a liquid seal |
| US11077390B2 (en) * | 2015-07-31 | 2021-08-03 | Iron Horse Tools, Inc. | Separating drilling cuttings and gas using a liquid seal |
| CN106801588B (zh) * | 2017-01-05 | 2019-12-06 | 天地科技股份有限公司 | 承压水地层钻孔施工半封闭泥浆保压循环工艺 |
| CN106761499B (zh) * | 2017-01-05 | 2019-10-15 | 天地科技股份有限公司 | 承压水地层钻孔施工泥浆保压条件下固液分离装置 |
| FR3081860B1 (fr) | 2018-06-01 | 2022-07-08 | Orege | Procede et dispositif de traitement pour deshydratation de boues organiques |
| US20200009479A1 (en) * | 2018-07-03 | 2020-01-09 | U.S. Submergent Technologies, Llc | De-sanding a digester |
| ES2934661T3 (es) * | 2018-11-23 | 2023-02-23 | Isfort Alfons Schulze | Método para limpiar y esterilizar medios líquidos y/o acuosos (suspensiones) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175897A1 (en) * | 1972-03-10 | 1973-10-26 | Timkin Ca | Treatment of activated sludges - by oxidation |
| GB1429370A (en) * | 1972-11-14 | 1976-03-24 | Salen & Wicander Ab | Method and plant for purification of waste water |
| EP0514543A1 (en) * | 1990-01-29 | 1992-11-25 | SAKURADA, Yasuyuki | Sewage purification apparatus |
| US5935448A (en) * | 1997-12-24 | 1999-08-10 | Miller; Jorge | Water purification with in situ production of dispersed flocculant |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2751335A (en) * | 1951-02-01 | 1956-06-19 | Exxon Research Engineering Co | Method and apparatus for mixing and contacting fluids |
| US2766203A (en) * | 1953-02-09 | 1956-10-09 | Union Oil Co | Water purification process and apparatus |
| US3493501A (en) * | 1967-06-15 | 1970-02-03 | Allied Chem | Method for the removal of suspended matter in waste water treatment |
| US4230572A (en) * | 1976-11-08 | 1980-10-28 | Gene Hirs | Filter method and apparatus |
| ATE6765T1 (de) * | 1980-05-22 | 1984-04-15 | Jan Schmidt | Verfahren und vorrichtung fuer die behandlung und hygienisierung von abwasserschlamm und anderen organischen schlaemmen. |
| FR2512006B1 (fr) * | 1981-08-27 | 1985-11-29 | Lambert Jean Pierre | Procede pour clarifier des eaux residuaires |
| US4415452A (en) * | 1982-03-18 | 1983-11-15 | Heil Richard W | Method and apparatus for treating organic wastewater |
| US4929341A (en) * | 1984-07-24 | 1990-05-29 | Source Technology Earth Oils, Inc. | Process and system for recovering oil from oil bearing soil such as shale and tar sands and oil produced by such process |
| JP2512420B2 (ja) * | 1985-06-09 | 1996-07-03 | 康之 桜田 | 水の処理方法と処理剤と処理装置 |
| US5069783A (en) * | 1990-05-16 | 1991-12-03 | Int'l Environmental Systems, Inc. | Liquid treatment apparatus |
| DE4115408A1 (de) * | 1991-05-10 | 1992-11-12 | Sicowa Verfahrenstech | Verfahren und einrichtung zum trocknen von schlamm oder feuchtem schuettgut |
| CN1040070C (zh) * | 1991-05-29 | 1998-10-07 | 美商国际环境系统公司 | 气体溶解和释放液体处理系统 |
| GB2317169A (en) * | 1996-09-13 | 1998-03-18 | Kvaerner Davy Ltd | Anoxic and aerobic metabolisation of waste |
| ITVI980163A1 (it) * | 1998-09-07 | 2000-03-07 | Antonio Salviati | Essiccatoio continuo per poltiglie, paste, polveri e granuli. |
| KR100308407B1 (ko) * | 1999-05-20 | 2001-11-07 | - | 폐수 슬러지 탈수 건조 시스템 |
| US6884347B1 (en) * | 2001-04-30 | 2005-04-26 | Kriegco Wastewater Systems, Inc. | Wastewater treatment system |
| FR2832400B1 (fr) * | 2001-11-22 | 2004-02-13 | Herve Maurice Marcel G Brisset | Procede et dispositif de traitement des boues hydrophiles par effet de turbulence hydraulique associee a une oxydation et des reactions chimiques par apport d'additifs |
| CN2646148Y (zh) * | 2003-07-29 | 2004-10-06 | 北京清绿技术开发有限公司 | 污泥固液分离装置 |
| JP4247106B2 (ja) * | 2003-12-24 | 2009-04-02 | 一義 冨永 | 混濁汚水浄化装置 |
| GB0523707D0 (en) * | 2005-11-22 | 2005-12-28 | Nitech Solutions Ltd | Improved apparatus and method for temperature controlled processes |
| AU2006344429A1 (en) * | 2006-06-02 | 2007-12-13 | Carrier Corporation | Slide valve actuation for overpressure safety |
| CN101868426B (zh) * | 2007-09-21 | 2012-12-19 | 水回收私人有限公司 | 过氧化高级氧化法水处理 |
| CN101696077B (zh) * | 2009-10-21 | 2011-06-08 | 黑旋风工程机械开发有限公司 | 一种城市污泥高效筛分脱水方法 |
-
2010
- 2010-10-29 FR FR1004284A patent/FR2966818B1/fr not_active Expired - Fee Related
-
2011
- 2011-10-28 AU AU2011322381A patent/AU2011322381B2/en active Active
- 2011-10-28 RS RS20150012A patent/RS53764B1/sr unknown
- 2011-10-28 EP EP14003436.4A patent/EP2835357B1/fr active Active
- 2011-10-28 NZ NZ609897A patent/NZ609897A/en unknown
- 2011-10-28 ES ES14003436.4T patent/ES2616280T3/es active Active
- 2011-10-28 DK DK11787699.5T patent/DK2632859T3/en active
- 2011-10-28 EA EA201300407A patent/EA031107B1/ru not_active IP Right Cessation
- 2011-10-28 BR BR112013010304A patent/BR112013010304B1/pt not_active IP Right Cessation
- 2011-10-28 HR HRP20150015AT patent/HRP20150015T1/hr unknown
- 2011-10-28 JP JP2013535482A patent/JP5827339B2/ja active Active
- 2011-10-28 SG SG2013033972A patent/SG190125A1/en unknown
- 2011-10-28 CN CN201180052173.2A patent/CN103313942B/zh active Active
- 2011-10-28 ES ES11787699T patent/ES2530801T3/es active Active
- 2011-10-28 PL PL11787699T patent/PL2632859T3/pl unknown
- 2011-10-28 WO PCT/FR2011/000582 patent/WO2012056128A1/fr not_active Ceased
- 2011-10-28 PT PT117876995T patent/PT2632859E/pt unknown
- 2011-10-28 MY MYPI2013001538A patent/MY165268A/en unknown
- 2011-10-28 US US13/881,561 patent/US9890068B2/en active Active
- 2011-10-28 CA CA2815956A patent/CA2815956C/en active Active
- 2011-10-28 SI SI201130366T patent/SI2632859T1/sl unknown
- 2011-10-28 EP EP11787699.5A patent/EP2632859B1/fr active Active
- 2011-10-28 KR KR1020137012177A patent/KR101915822B1/ko active Active
- 2011-10-28 MX MX2013004785A patent/MX2013004785A/es unknown
-
2013
- 2013-04-22 ZA ZA2013/03069A patent/ZA201303069B/en unknown
- 2013-04-28 IL IL225998A patent/IL225998A0/en unknown
- 2013-04-29 CL CL2013001181A patent/CL2013001181A1/es unknown
-
2015
- 2015-01-08 CY CY20151100020T patent/CY1115942T1/el unknown
-
2018
- 2018-01-05 US US15/863,525 patent/US20180170785A1/en not_active Abandoned
-
2019
- 2019-05-12 IL IL266578A patent/IL266578B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175897A1 (en) * | 1972-03-10 | 1973-10-26 | Timkin Ca | Treatment of activated sludges - by oxidation |
| GB1429370A (en) * | 1972-11-14 | 1976-03-24 | Salen & Wicander Ab | Method and plant for purification of waste water |
| EP0514543A1 (en) * | 1990-01-29 | 1992-11-25 | SAKURADA, Yasuyuki | Sewage purification apparatus |
| US5935448A (en) * | 1997-12-24 | 1999-08-10 | Miller; Jorge | Water purification with in situ production of dispersed flocculant |
Non-Patent Citations (2)
| Title |
|---|
| M.H. Rahman et al.: "Pore size distribution and hydraulic conductivity of digested sludge cake", J. Civ. Eng., vol. 24, no. 2, 1996, pages 179-195, XP002645205, Bangladesh, retrieved from the Internet: URL:http://jce-ieb.org.bd/pdfdown/ce240206.pdf [retrieved on 2011-06-27], the whole document * |
| THOMAS, D.N. JUDD, S.J. FAWCETT, N.: "Flocculation modelling: a review", WATER RESEARCH, ELSEVIER, AMSTERDAM, NL, vol. 33, no. 7, 1 May 1999 (1999-05-01), AMSTERDAM, NL, pages 1579 - 1592, XP004160398, ISSN: 0043-1354, DOI: 10.1016/S0043-1354(98)00392-3 * |
Also Published As
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| Publication | Publication Date | Title |
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| EA031107B1 (ru) | Способ отделения жидкости от суспендированного вещества в отстое и устройство для осуществления способа | |
| JP2013540585A5 (enExample) | ||
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