CA1337879C - Procede de traitement d'epuration des eaux avec phase de coagulation prolongee - Google Patents

Procede de traitement d'epuration des eaux avec phase de coagulation prolongee

Info

Publication number: CA1337879C
Authority: CA; Canada
Prior art keywords: charac; agitation; capacity; comb; terized
Prior art date: 1988-05-05
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 - Fee Related

Application number

CA 598757

Other languages

English (en)

French (fr)

Inventor

Gilbert Desbos

Christian Laplace

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

OTV Omnium de Traitements et de Valorisation SA

Original Assignee

OTV Omnium de Traitements et de Valorisation SA

Priority date (The priority date 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 date listed.)

1988-05-05

Filing date

1989-05-04

Publication date

1996-01-02

1989-05-04 Application filed by OTV Omnium de Traitements et de Valorisation SA filed Critical OTV Omnium de Traitements et de Valorisation SA

1996-01-02 Application granted granted Critical

1996-01-02 Publication of CA1337879C publication Critical patent/CA1337879C/fr

2013-01-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 26
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 24
230000008569 process Effects 0.000 title claims description 10
238000005345 coagulation Methods 0.000 title claims description 8
230000015271 coagulation Effects 0.000 title claims description 7
238000013019 agitation Methods 0.000 claims abstract description 24
239000000701 coagulant Substances 0.000 claims abstract description 15
238000005189 flocculation Methods 0.000 claims abstract description 12
239000003153 chemical reaction reagent Substances 0.000 claims abstract description 8
238000010908 decantation Methods 0.000 claims abstract description 7
238000001914 filtration Methods 0.000 claims abstract description 4
239000002352 surface water Substances 0.000 claims abstract description 4
238000011282 treatment Methods 0.000 claims abstract description 4
239000002351 wastewater Substances 0.000 claims abstract description 4
238000002347 injection Methods 0.000 claims abstract description 3
239000007924 injection Substances 0.000 claims abstract description 3
239000002245 particle Substances 0.000 claims description 8
230000002093 peripheral effect Effects 0.000 claims description 5
238000003756 stirring Methods 0.000 claims description 4
238000005188 flotation Methods 0.000 claims description 3
FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 2
229920002472 Starch Polymers 0.000 claims description 2
229940072056 alginate Drugs 0.000 claims description 2
229920000615 alginic acid Polymers 0.000 claims description 2
235000010443 alginic acid Nutrition 0.000 claims description 2
229920000642 polymer Polymers 0.000 claims description 2
235000019698 starch Nutrition 0.000 claims description 2
239000008107 starch Substances 0.000 claims description 2
206010001497 Agitation Diseases 0.000 claims 6
230000003247 decreasing effect Effects 0.000 claims 1
239000008394 flocculating agent Substances 0.000 claims 1
230000016615 flocculation Effects 0.000 abstract description 10
238000007796 conventional method Methods 0.000 abstract description 3
239000000084 colloidal system Substances 0.000 description 4
230000001112 coagulating effect Effects 0.000 description 3
239000012530 fluid Substances 0.000 description 3
230000008901 benefit Effects 0.000 description 2
230000007423 decrease Effects 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000012535 impurity Substances 0.000 description 2
239000000693 micelle Substances 0.000 description 2
230000002035 prolonged effect Effects 0.000 description 2
238000005086 pumping Methods 0.000 description 2
230000005653 Brownian motion process Effects 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
238000005411 Van der Waals force Methods 0.000 description 1
230000009471 action Effects 0.000 description 1
239000002671 adjuvant Substances 0.000 description 1
230000004523 agglutinating effect Effects 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000005537 brownian motion Methods 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
238000001311 chemical methods and process Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000005352 clarification Methods 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
230000003750 conditioning effect Effects 0.000 description 1
238000004132 cross linking Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
244000144992 flock Species 0.000 description 1
239000008187 granular material Substances 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
230000006872 improvement Effects 0.000 description 1
150000002505 iron Chemical class 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
238000004848 nephelometry Methods 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
239000005416 organic matter Substances 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
230000002028 premature Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000010865 sewage Substances 0.000 description 1
230000035939 shock Effects 0.000 description 1
239000000243 solution Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000010998 test method 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
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities

Landscapes

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)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)

CA 598757 1988-05-05 1989-05-04 Procede de traitement d'epuration des eaux avec phase de coagulation prolongee Expired - Fee Related CA1337879C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8806024A FR2631021B1 (fr)	1988-05-05	1988-05-05	Procede de traitement d'epuration des eaux, avec phase de coagulation prolongee
FR8806024		1988-05-05

Publications (1)

Publication Number	Publication Date
CA1337879C true CA1337879C (fr)	1996-01-02

Family

ID=9366006

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 598757 Expired - Fee Related CA1337879C (fr)	1988-05-05	1989-05-04	Procede de traitement d'epuration des eaux avec phase de coagulation prolongee

Country Status (4)

Country	Link
CA (1)	CA1337879C (da)
DK (1)	DK213189A (da)
ES (1)	ES2010635A6 (da)
FR (1)	FR2631021B1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2693121B1 (fr) *	1992-07-02	1994-09-09	Atochem Elf Sa	Nouveau procédé de coagulation-floculation.
FR2694706B1 (fr) *	1992-07-02	1994-11-10	Atochem Elf Sa	Nouveau procédé de coagulation-floculation.
FR2707621B1 (fr) *	1993-07-12	1995-10-20	Omnium Traitement Valorisa	Procédé et installation d'épuration d'eau à boues physico-chimiques dénitrifiantes.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
FR2557092B1 (fr) *	1983-12-23	1988-10-14	Rech Prod Agents Chimi Et	Installation pour le traitement par coagulation et floculation de liquides contenant des matieres colloidales et/ou non colloidales

1988
- 1988-05-05 FR FR8806024A patent/FR2631021B1/fr not_active Expired - Lifetime
1989
- 1989-04-19 ES ES8901363A patent/ES2010635A6/es not_active Expired
- 1989-05-02 DK DK213189A patent/DK213189A/da not_active Application Discontinuation
- 1989-05-04 CA CA 598757 patent/CA1337879C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ES2010635A6 (es)	1989-11-16
DK213189D0 (da)	1989-05-02
FR2631021B1 (fr)	1991-02-15
FR2631021A1 (fr)	1989-11-10
DK213189A (da)	1989-11-06

Legal Events

Date	Code	Title	Description
2001-01-02	MKLA	Lapsed

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