CA1053160A - Centre post clarifier with sludge recirculation - Google Patents
Centre post clarifier with sludge recirculationInfo
- Publication number
- CA1053160A CA1053160A CA236,606A CA236606A CA1053160A CA 1053160 A CA1053160 A CA 1053160A CA 236606 A CA236606 A CA 236606A CA 1053160 A CA1053160 A CA 1053160A
- Authority
- CA
- Canada
- Prior art keywords
- openings
- raw water
- zone
- support post
- center support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000006872 improvement Effects 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 description 10
- 238000005192 partition Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 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 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 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 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 241000153282 Theope Species 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- ZEMWIYASLJTEHQ-UHFFFAOYSA-J aluminum;sodium;disulfate;dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZEMWIYASLJTEHQ-UHFFFAOYSA-J 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- B01D21/0024—Inlets or outlets provided with regulating devices, e.g. valves, flaps
-
- 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
- B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
-
- 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
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
-
- 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
- B01D21/10—Settling tanks with multiple outlets for the separated liquids
- B01D21/12—Settling tanks with multiple outlets for the separated liquids with moving scrapers
- B01D21/14—Settling tanks with multiple outlets for the separated liquids with moving scrapers with rotating scrapers
-
- 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
- B01D21/10—Settling tanks with multiple outlets for the separated liquids
- B01D21/16—Settling tanks with multiple outlets for the separated liquids provided with flocculating compartments
-
- 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
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Activated Sludge Processes (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/516,310 US3951806A (en) | 1974-10-18 | 1974-10-18 | Clarifier apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1053160A true CA1053160A (en) | 1979-04-24 |
Family
ID=24054997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA236,606A Expired CA1053160A (en) | 1974-10-18 | 1975-09-29 | Centre post clarifier with sludge recirculation |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3951806A (en, 2012) |
| JP (1) | JPS5164752A (en, 2012) |
| CA (1) | CA1053160A (en, 2012) |
| CH (1) | CH605427A5 (en, 2012) |
| ES (1) | ES441842A1 (en, 2012) |
| FR (1) | FR2288059A1 (en, 2012) |
| GB (1) | GB1516373A (en, 2012) |
| IT (1) | IT1047830B (en, 2012) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU181516B (en) * | 1979-09-25 | 1983-10-28 | Tatabanyai Szenbanyak | Apparatus for concentrating sludges and slimes |
| US4392955A (en) * | 1979-12-26 | 1983-07-12 | Ecodyne Corporation | Liquid treatment apparatus |
| US4376045A (en) * | 1981-05-11 | 1983-03-08 | Ecodyne Corporation | Liquid treatment apparatus |
| US4526687A (en) * | 1982-03-12 | 1985-07-02 | Water & Industrial Waste Laboratories, Inc. | Reserve pit waste treatment system |
| US4536286A (en) * | 1983-10-24 | 1985-08-20 | Water & Industrial Waste Laboratories, Inc. | Mobile waste water and sludge treatment for hazardous and non-hazardous fluids |
| US4663054A (en) * | 1986-09-04 | 1987-05-05 | The Graver Company | Hot process liquid treatment method and apparatus |
| US4981366A (en) * | 1989-02-27 | 1991-01-01 | Suburbia Systems, Inc. | Method and apparatus for mixing liquid contents in a vessel |
| US5601704A (en) * | 1994-04-11 | 1997-02-11 | The Graver Company | Automatic feedback control system for a water treatment apparatus |
| US5879562A (en) * | 1997-04-15 | 1999-03-09 | Marathon Oil Company | Water treatment process for reducing the hardness of an oilfield produced water |
| US6736275B2 (en) | 2002-01-22 | 2004-05-18 | United States Filter Corporation | Flocculating energy dissipating well arrangement (FEDWA) |
| ES2642211T3 (es) * | 2007-04-30 | 2017-11-15 | Fluor Technologies Corporation | Configuraciones y métodos de depósito de desnatado |
| US10071928B2 (en) | 2013-11-06 | 2018-09-11 | Fluor Technologies Corporation | Systems and methods for de-oiling and total organic carbon reduction in produced water |
| US11007458B2 (en) | 2018-10-10 | 2021-05-18 | EnXL LLC | All-gravity multi-phase fluid separation system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US653684A (en) * | 1899-11-06 | 1900-07-17 | Ross J Beatty | Metallurgical filter. |
| US2506927A (en) * | 1946-02-16 | 1950-05-09 | Process Engineers Inc | Clarification |
| US2651615A (en) * | 1950-11-09 | 1953-09-08 | Process Engineers Inc | Clarification apparatus |
| US2649412A (en) * | 1951-04-13 | 1953-08-18 | Process Engineers Inc | Clarification |
| US2669357A (en) * | 1952-03-19 | 1954-02-16 | Dorr Co | Clarification treatment of solids carrying liquid and apparatus therefor |
| US3397788A (en) * | 1965-10-21 | 1968-08-20 | Union Tank Car Co | Water treating apparatus |
| US3487017A (en) * | 1967-05-12 | 1969-12-30 | Passavant Werke | Waste water treatment method and apparatus |
| US3473665A (en) * | 1968-07-31 | 1969-10-21 | Union Tank Car Co | Flow control means for water treating apparatus |
-
1974
- 1974-10-18 US US05/516,310 patent/US3951806A/en not_active Expired - Lifetime
-
1975
- 1975-09-29 CA CA236,606A patent/CA1053160A/en not_active Expired
- 1975-10-14 GB GB42083/75A patent/GB1516373A/en not_active Expired
- 1975-10-16 IT IT51795/75A patent/IT1047830B/it active
- 1975-10-16 ES ES441842A patent/ES441842A1/es not_active Expired
- 1975-10-16 CH CH1345575A patent/CH605427A5/xx not_active IP Right Cessation
- 1975-10-17 FR FR7531843A patent/FR2288059A1/fr active Granted
- 1975-10-17 JP JP50125216A patent/JPS5164752A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5164752A (en, 2012) | 1976-06-04 |
| IT1047830B (it) | 1980-10-20 |
| GB1516373A (en) | 1978-07-05 |
| ES441842A1 (es) | 1977-04-01 |
| US3951806A (en) | 1976-04-20 |
| AU8534275A (en) | 1977-04-07 |
| FR2288059A1 (fr) | 1976-05-14 |
| FR2288059B1 (en, 2012) | 1979-06-29 |
| CH605427A5 (en, 2012) | 1978-09-29 |
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