CH619674A5 - - Google Patents
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- Publication number
- CH619674A5 CH619674A5 CH369477A CH369477A CH619674A5 CH 619674 A5 CH619674 A5 CH 619674A5 CH 369477 A CH369477 A CH 369477A CH 369477 A CH369477 A CH 369477A CH 619674 A5 CH619674 A5 CH 619674A5
- Authority
- CH
- Switzerland
- Prior art keywords
- zone
- water
- sludge
- settling
- zones
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 239000010802 sludge Substances 0.000 claims description 47
- 238000006243 chemical reaction Methods 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims 1
- 238000007790 scraping Methods 0.000 claims 1
- 238000010908 decantation Methods 0.000 description 13
- 238000001556 precipitation Methods 0.000 description 10
- 238000005189 flocculation Methods 0.000 description 6
- 230000016615 flocculation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 208000006558 Dental Calculus Diseases 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical class [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 description 1
- 239000002370 magnesium bicarbonate Substances 0.000 description 1
- 235000014824 magnesium bicarbonate Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003643 water by type 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
- C02F1/5281—Installations for water purification using chemical 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
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0045—Plurality of essentially parallel 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
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving 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
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/08—Settling tanks with single outlets for the separated liquid 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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7608442A FR2345396A1 (fr) | 1976-03-24 | 1976-03-24 | Appareil de traitement des boues par recirculation, precipitation et separation des boues formees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH619674A5 true CH619674A5 (fi) | 1980-10-15 |
Family
ID=9170842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH369477A CH619674A5 (fi) | 1976-03-24 | 1977-03-23 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4111802A (fi) |
| JP (1) | JPS6025165B2 (fi) |
| AR (1) | AR211802A1 (fi) |
| AU (1) | AU503637B2 (fi) |
| BE (1) | BE852754A (fi) |
| BR (1) | BR7701701A (fi) |
| CA (1) | CA1076722A (fi) |
| CH (1) | CH619674A5 (fi) |
| DE (1) | DE2711033C2 (fi) |
| ES (1) | ES457030A1 (fi) |
| FI (1) | FI66164C (fi) |
| FR (1) | FR2345396A1 (fi) |
| GB (1) | GB1574370A (fi) |
| IT (1) | IT1073482B (fi) |
| NL (1) | NL7703101A (fi) |
| SE (1) | SE426233B (fi) |
| ZA (1) | ZA771062B (fi) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284510A (en) * | 1978-05-11 | 1981-08-18 | Canadian Liquid Air Ltd./Air Liquide Canada Ltee. | Two zone process for biological treatment of waste water |
| 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 |
| DE3326248A1 (de) * | 1983-07-21 | 1985-02-07 | Ralf F. Piepho Abwassertechnik Gmbh, 3015 Wennigsen | Vorrichtung zum aufbereiten von verbrauchten emulsionen, loesungen und industrieabwaessern oder dergleichen |
| FR2553082B1 (fr) * | 1983-10-07 | 1987-08-28 | Degremont | Appareil de traitement des eaux par precipitation, separation, epaississement et recirculation des boues formees |
| DE3441528A1 (de) * | 1984-11-14 | 1986-05-28 | Karl 8901 Welden Wiedemann | Verfahren und vorrichtung zur beseitigung von aus fett, organischen substanzen und wasser bestehenden gemischen |
| US4614589A (en) * | 1985-02-12 | 1986-09-30 | Smith & Loveless | Method and apparatus for biological aerobic wastewater treatment |
| CA1265267A (en) * | 1985-08-22 | 1990-01-30 | Megill-Stephenson Company Limited (The) | Fluid clarifying assembly |
| FR2591215B1 (fr) * | 1985-12-11 | 1990-12-07 | Omnium Traitement Valorisa | Ensemble de traitement combine de floculation et decantation des eaux |
| US4663054A (en) * | 1986-09-04 | 1987-05-05 | The Graver Company | Hot process liquid treatment method and apparatus |
| JPH01120368U (fi) * | 1988-02-08 | 1989-08-15 | ||
| FR2679223B1 (fr) * | 1991-07-19 | 1993-10-15 | Degremont | Procede et dispositif de traitement des eaux. |
| DE19503120A1 (de) * | 1995-02-01 | 1996-08-08 | Passavant Werke | Verfahren zur Klärung von u.a. mit mineralischen Bestandteilen verschmutzten Abwässern |
| JP3769148B2 (ja) * | 1999-07-05 | 2006-04-19 | シャープ株式会社 | 排水処理装置 |
| DE19962793A1 (de) * | 1999-12-23 | 2001-07-05 | Axel Johnson Engineering Gmbh | Vorrichtung und Verfahren zur biologischen Abwasserreinigung |
| JP4537917B2 (ja) * | 2005-09-09 | 2010-09-08 | 荏原エンジニアリングサービス株式会社 | 沈殿池設備 |
| SG152049A1 (en) * | 2005-11-15 | 2009-05-29 | Flexi Systems Singapore Pte Lt | A wastewater treatment system |
| JP2012110886A (ja) * | 2011-09-08 | 2012-06-14 | Fujiwara Sangyo Kk | 汚泥掻寄装置 |
| CN103301658B (zh) * | 2013-04-27 | 2015-07-22 | 江苏中超环保有限公司 | 一种高效微阻脉动漩涡沉降装置 |
| CN111714937B (zh) * | 2020-08-03 | 2021-12-10 | 建投信开环境发展有限公司 | 一种环保城镇污水处理用沉淀装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2215185A (en) * | 1937-12-31 | 1940-09-17 | Dorr Co Inc | Liquid clarification |
| US2348124A (en) * | 1941-06-06 | 1944-05-02 | Infilco Inc | Liquid treatment |
| US3015621A (en) * | 1959-12-03 | 1962-01-02 | Chain Belt Co | Influent apparatus for flotation tanks |
| FR1383791A (fr) * | 1963-08-30 | 1965-01-04 | Prat Daniel S A | Procédé et appareil pour la décantation des liquides |
| US3397788A (en) * | 1965-10-21 | 1968-08-20 | Union Tank Car Co | Water treating apparatus |
| DE1517551C3 (de) * | 1966-01-13 | 1974-05-09 | Passavant-Werke Michelbacher Huette, 6209 Aarbergen | Wasseraufbereitungs- oder Abwasserbehandlungsanlage |
| US3300047A (en) * | 1966-05-05 | 1967-01-24 | Hirsch Abraham Adler | Truly vertical flow upflow tank with complete volumetric transit for water and wastetreatment |
| FR2132954A5 (fi) * | 1971-04-02 | 1972-11-24 | Degremont | |
| DE2512107B2 (de) * | 1975-03-19 | 1979-06-28 | Passavant-Werke Michelbacher Huette, 6209 Aarbergen | Verfahren zur Langsamentkarbonisierung von Wasser |
-
1976
- 1976-03-24 FR FR7608442A patent/FR2345396A1/fr active Granted
-
1977
- 1977-02-22 ZA ZA00771062A patent/ZA771062B/xx unknown
- 1977-02-23 GB GB7611/77A patent/GB1574370A/en not_active Expired
- 1977-03-02 US US05/773,555 patent/US4111802A/en not_active Expired - Lifetime
- 1977-03-14 DE DE2711033A patent/DE2711033C2/de not_active Expired
- 1977-03-18 JP JP52030239A patent/JPS6025165B2/ja not_active Expired
- 1977-03-21 AR AR266927A patent/AR211802A1/es active
- 1977-03-21 FI FI770882A patent/FI66164C/fi not_active IP Right Cessation
- 1977-03-21 CA CA274,397A patent/CA1076722A/fr not_active Expired
- 1977-03-21 BR BR7701701A patent/BR7701701A/pt unknown
- 1977-03-21 ES ES457030A patent/ES457030A1/es not_active Expired
- 1977-03-21 SE SE7703208A patent/SE426233B/xx not_active IP Right Cessation
- 1977-03-22 BE BE176014A patent/BE852754A/xx not_active IP Right Cessation
- 1977-03-22 NL NL7703101A patent/NL7703101A/xx not_active Application Discontinuation
- 1977-03-22 AU AU23510/77A patent/AU503637B2/en not_active Expired
- 1977-03-23 IT IT67641/77A patent/IT1073482B/it active
- 1977-03-23 CH CH369477A patent/CH619674A5/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI770882A (fi) | 1977-09-25 |
| FR2345396B1 (fi) | 1980-12-12 |
| AU503637B2 (en) | 1979-09-13 |
| GB1574370A (en) | 1980-09-03 |
| BE852754A (fr) | 1977-07-18 |
| JPS52116650A (en) | 1977-09-30 |
| IT1073482B (it) | 1985-04-17 |
| AR211802A1 (es) | 1978-03-15 |
| FI66164B (fi) | 1984-05-31 |
| US4111802A (en) | 1978-09-05 |
| FI66164C (fi) | 1984-09-10 |
| FR2345396A1 (fr) | 1977-10-21 |
| CA1076722A (fr) | 1980-04-29 |
| JPS6025165B2 (ja) | 1985-06-17 |
| DE2711033A1 (de) | 1977-10-06 |
| BR7701701A (pt) | 1977-11-08 |
| SE7703208L (sv) | 1977-09-25 |
| ES457030A1 (es) | 1978-03-01 |
| NL7703101A (nl) | 1977-09-27 |
| ZA771062B (en) | 1978-01-25 |
| AU2351077A (en) | 1978-09-28 |
| DE2711033C2 (de) | 1982-09-23 |
| SE426233B (sv) | 1982-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PFA | Name/firm changed |
Owner name: DEGREMONT |
|
| PL | Patent ceased | ||
| PL | Patent ceased |