FR2816937B1 - Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation - Google Patents

Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation

Info

Publication number
FR2816937B1
FR2816937B1 FR0014919A FR0014919A FR2816937B1 FR 2816937 B1 FR2816937 B1 FR 2816937B1 FR 0014919 A FR0014919 A FR 0014919A FR 0014919 A FR0014919 A FR 0014919A FR 2816937 B1 FR2816937 B1 FR 2816937B1
Authority
FR
France
Prior art keywords
lime
saturator
flocculating agent
slurry bed
producing
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 - Fee Related
Application number
FR0014919A
Other languages
English (en)
Other versions
FR2816937A1 (fr
Inventor
Frederic Lefort
Andre Montagnac
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.)
Veolia Water Solutions and Technologies Support SAS
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.)
Filing date
Publication date
Application filed by OTV Omnium de Traitements et de Valorisation SA filed Critical OTV Omnium de Traitements et de Valorisation SA
Priority to FR0014919A priority Critical patent/FR2816937B1/fr
Publication of FR2816937A1 publication Critical patent/FR2816937A1/fr
Application granted granted Critical
Publication of FR2816937B1 publication Critical patent/FR2816937B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • C04B2/04—Slaking
    • C04B2/08—Devices therefor
    • 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
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • 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
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/02—Methods
    • 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
    • C02F1/529—Processes or devices for preparing lime water
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • C04B2/04—Slaking
    • C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
FR0014919A 2000-11-17 2000-11-17 Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation Expired - Fee Related FR2816937B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0014919A FR2816937B1 (fr) 2000-11-17 2000-11-17 Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0014919A FR2816937B1 (fr) 2000-11-17 2000-11-17 Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation

Publications (2)

Publication Number Publication Date
FR2816937A1 FR2816937A1 (fr) 2002-05-24
FR2816937B1 true FR2816937B1 (fr) 2003-08-15

Family

ID=8856637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0014919A Expired - Fee Related FR2816937B1 (fr) 2000-11-17 2000-11-17 Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation

Country Status (1)

Country Link
FR (1) FR2816937B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2842800B1 (fr) * 2002-07-26 2004-10-08 Omnium Traitement Valorisa Procede et installation pour la fabrication d'eau de chaux a partir d'eau deionisee.
US10822442B2 (en) 2017-07-17 2020-11-03 Ecolab Usa Inc. Rheology-modifying agents for slurries

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1517478A1 (de) * 1961-08-02 1969-08-28 Pintsch Bamag Ag Anlage zur Erzeugung von klarem,gleichmaessig gesaettigtem Kalkwasser
AT302916B (de) * 1970-02-26 1972-09-15 Wasserversorgung Abwasse Einrichtung zur kontinuierlichen bereitung von kalkwasser
SE411519B (sv) * 1976-07-12 1980-01-14 Henrikson Stig Arvid Forfarande vid dosering av kalk till avloppsvatten, varvid en kalkuppslamning bildas och fors genom en lamellsedimenteringsanordning innan den setts till avloppsvattnet
US4366142A (en) * 1979-03-28 1982-12-28 Sadao Kojima Method and apparatus for the preparation of slaked lime solution
CH642608A5 (de) * 1980-01-08 1984-04-30 Sulzer Ag Verfahren zur herstellung und reinigung von mindestens annaehernd gesaettigten kalkloesungen und kalksaettiger zur durchfuehrung des verfahrens.
DE3413243C1 (de) * 1984-04-07 1985-11-28 Dieter Dr.-Ing. 7440 Nürtingen Flinspach Verfahren zur Bereitung und Reinigung einer waessrigen Calciumhydroxid-Loesung

Also Published As

Publication number Publication date
FR2816937A1 (fr) 2002-05-24

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name

Owner name: VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT, FR

Effective date: 20120507

CJ Change in legal form

Effective date: 20120507

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

ST Notification of lapse

Effective date: 20180731