FR2583739B1 - Procede et dispositif pour la commande de l'addition de produits chimiques en vue de floculer des substances floculables dans des suspensions, en particulier pour epurer l'eau de retour d'installations de desencrage. - Google Patents
Procede et dispositif pour la commande de l'addition de produits chimiques en vue de floculer des substances floculables dans des suspensions, en particulier pour epurer l'eau de retour d'installations de desencrage.Info
- Publication number
- FR2583739B1 FR2583739B1 FR8608105A FR8608105A FR2583739B1 FR 2583739 B1 FR2583739 B1 FR 2583739B1 FR 8608105 A FR8608105 A FR 8608105A FR 8608105 A FR8608105 A FR 8608105A FR 2583739 B1 FR2583739 B1 FR 2583739B1
- Authority
- FR
- France
- Prior art keywords
- floculable
- floculating
- suspensions
- purifying
- chemicals
- 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 - Lifetime
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
-
- 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
-
- 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
- B01D21/10—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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2433—Discharge mechanisms for floating particles
-
- 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
-
- 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
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
-
- 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
- B01D21/305—Control of chemical properties of a component, e.g. control of pH
-
- 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
- B01D21/32—Density control of clear liquid or sediment, e.g. optical control ; Control of physical properties
-
- 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
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/82—Pulp catching, de-watering, or recovering; Re-use of pulp-water adding fibre agglomeration compositions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH267285 | 1985-06-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2583739A1 FR2583739A1 (fr) | 1986-12-26 |
FR2583739B1 true FR2583739B1 (fr) | 1991-06-21 |
Family
ID=4238978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8608105A Expired - Lifetime FR2583739B1 (fr) | 1985-06-24 | 1986-06-05 | Procede et dispositif pour la commande de l'addition de produits chimiques en vue de floculer des substances floculables dans des suspensions, en particulier pour epurer l'eau de retour d'installations de desencrage. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4784764A (fr) |
EP (1) | EP0228396B2 (fr) |
JP (1) | JPS63500108A (fr) |
DE (2) | DE3525788A1 (fr) |
FR (1) | FR2583739B1 (fr) |
SE (1) | SE465607B (fr) |
WO (1) | WO1987000220A1 (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8806674D0 (en) * | 1988-03-21 | 1988-04-20 | Shell Int Research | Process for preparing non-porous selective membrane layers |
US5006231A (en) * | 1989-03-20 | 1991-04-09 | Consolidation Coal Company | Flocculant control system |
DE69102785T2 (de) * | 1990-02-09 | 1994-11-10 | Masakatsu Ozawa | Vorrichtung für Trennung durch Druckbeaufschlagung und Flotation. |
IT1239047B (it) * | 1990-02-16 | 1993-09-20 | Fabio Perletti | Impianto per la chiarificazione in continuo di liquidi con sostanze solide in sospensione,mediante il processo di flottazione a gas disciolto |
DE4206206C2 (de) * | 1992-02-28 | 1993-11-25 | Voith Gmbh J M | Verfahren zur Reinigung des Rejekts aus der Deinkingflotation |
JPH06134449A (ja) * | 1992-10-22 | 1994-05-17 | Tokai Kosan:Kk | 低濃度汚水の浄化方法および装置 |
JPH06297000A (ja) * | 1993-04-12 | 1994-10-25 | Motohito Nasu | ヘドロの固液分離装置 |
US5415771A (en) * | 1993-06-29 | 1995-05-16 | The Lenox Institute Of Water Technology, Inc. | High capacity single tank water clarification system |
DE4406239C1 (de) * | 1994-02-25 | 1995-06-14 | Lucas Dipl Ing Menke | Vorrichtung und Verfahren zur Trennung von Substanzen aus einem Fluid mittels Druckentspannungsflotation |
DE4407064C1 (de) * | 1994-03-03 | 1995-08-10 | Lucas Dipl Ing Menke | Vorrichtung zur Gasblasenflotation |
AT407222B (de) * | 1997-01-23 | 2001-01-25 | Tschuda Gmbh & Co Kg | Einrichtung zur trennung von schwimmschichtmasse von einer flüssigkeit |
AT404931B (de) * | 1997-01-23 | 1999-03-25 | Tschuda Gmbh & Co Kg | Einrichtung zur trennung von schwimmschichtmasse von einer flüssigkeit |
DE19937756A1 (de) * | 1999-08-10 | 2001-02-15 | Michael Hoffmann | Verfahren und Vorrichtung zur Bestimmung der Klarphase einer zu reinigenden Flüssigkeit |
US20030141254A1 (en) * | 2002-01-31 | 2003-07-31 | Stewart Timothy L. | Process for treating waste water to remove contaminants |
US7344647B2 (en) * | 2002-07-18 | 2008-03-18 | Stewart Water Solutions, Ltd. | Process for treating waste water to remove contaminants |
US20080047903A1 (en) * | 2006-08-24 | 2008-02-28 | Morse Dwain E | Control system and process for wastewater treatment |
US9493370B2 (en) * | 2009-03-03 | 2016-11-15 | Reliance Automation, Llc | Wastewater treatment system |
US20120267289A1 (en) * | 2010-10-12 | 2012-10-25 | Devron Kobluk | Reactor for Versatile Effluent Treatment System |
US8715498B2 (en) | 2011-02-09 | 2014-05-06 | Tervita Corporation | System and apparatus for treating well flow-back and produced water or other wastewater |
US9751782B2 (en) * | 2013-03-14 | 2017-09-05 | Dubois Chemicals, Inc. | Wastewater treatment system and method |
FR3049197B1 (fr) * | 2016-03-24 | 2020-04-10 | Kwi International Environmental Treatment Gmbh | Flottateur a air dissous |
CN110803791B (zh) * | 2019-12-17 | 2021-10-26 | 葛洲坝易普力湖南二化民爆有限公司 | 一种用于工业废水处理的污水处理器 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE129688C (fr) * | 1935-01-03 | |||
DE697245C (de) * | 1936-05-11 | 1940-10-09 | Adolf Magnus Rupert Karlstroem | Verfahren und Vorrichtung zum Reinigen von faserhaltigen Abwaessern der Papier-, Holzschliff-, Cellulose- und Textilfabriken |
GB980305A (en) * | 1963-09-05 | 1965-01-13 | Krofta Milos | Improvements in and relating to a process and apparatus for the purification of waste water |
US3307701A (en) * | 1963-09-05 | 1967-03-07 | Krofta Milos | Apparatus for purification of unclarified waste water |
US3354028A (en) * | 1963-12-30 | 1967-11-21 | Garden State Paper Company Inc | Clarifying waste effluents from re-inking processes by reversing the effluent ph |
US3393149A (en) * | 1965-12-14 | 1968-07-16 | Gen Services Company | Dosage control system and method for the treatment of water or sewage |
US3452869A (en) * | 1967-01-18 | 1969-07-01 | Laval Inc De | Settling tank and method of operation thereof |
US3552571A (en) * | 1969-10-01 | 1971-01-05 | Fmc Corp | Electroflotation apparatus |
FR2146533A5 (en) * | 1971-07-16 | 1973-03-02 | Int Waterpure Corp | Liquid purification system with zeta-potenti - additives |
DE2310679A1 (de) * | 1973-03-03 | 1974-09-05 | Hoellmueller Maschbau H | Vorrichtung zum reinigen von kupferhaltigen ammoniakalischen loesungen |
FR2224413A1 (en) * | 1973-04-03 | 1974-10-31 | Clippeleir Sa Ets | Fat skimming separator for industrial effluent - mechanically removing scum formed by aerating emulsion of oil in waste water |
US4173532A (en) * | 1974-03-07 | 1979-11-06 | Entenmann's, Inc. | Method for treating plant effluent |
DE2442045B2 (de) * | 1974-04-29 | 1976-03-11 | Adka-Matic Wasser-Aufbereitung Gmbh, 6300 Giessen | Vorrichtung zur abwasseraufbereitung |
US3966598A (en) * | 1975-02-24 | 1976-06-29 | Tenco Hydro/Aerosciences, Inc. | Circular dissolved gas flotation system |
US4022696A (en) * | 1976-03-24 | 1977-05-10 | Milos Krofta | Apparatus for clarification of waste water operating on dissolved air flotation process |
IT1117836B (it) * | 1977-09-26 | 1986-02-24 | Farinone Pierino | Procedimento ed impianto per il recupero delle fibre negli impianti di flottazione circolari con equipaggio mobile a giostra |
US4184967A (en) * | 1978-06-22 | 1980-01-22 | Lenox Institute For Research, Inc. | Apparatus for clarifying waste water |
US4226714A (en) * | 1978-12-27 | 1980-10-07 | The Anaconda Company | Thickener control system |
DE3241678A1 (de) * | 1982-11-11 | 1984-05-17 | Hoechst Ag, 6230 Frankfurt | Verfahren und anlage zur steuerung von dosiereinrichtungen fuer behandlungsmittel in abwasserreinigungsanlagen |
-
1985
- 1985-07-19 DE DE19853525788 patent/DE3525788A1/de active Granted
-
1986
- 1986-06-05 FR FR8608105A patent/FR2583739B1/fr not_active Expired - Lifetime
- 1986-06-16 US US07/019,241 patent/US4784764A/en not_active Expired - Fee Related
- 1986-06-16 JP JP61503501A patent/JPS63500108A/ja active Pending
- 1986-06-16 WO PCT/EP1986/000357 patent/WO1987000220A1/fr active IP Right Grant
- 1986-06-16 DE DE8686903377T patent/DE3666238D1/de not_active Expired
- 1986-06-16 EP EP19860903377 patent/EP0228396B2/fr not_active Expired - Lifetime
- 1986-06-23 SE SE8602773A patent/SE465607B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1987000220A1 (fr) | 1987-01-15 |
SE8602773L (fr) | 1986-12-25 |
JPS63500108A (ja) | 1988-01-14 |
FR2583739A1 (fr) | 1986-12-26 |
SE465607B (sv) | 1991-10-07 |
DE3525788A1 (de) | 1987-01-02 |
SE8602773D0 (sv) | 1986-06-23 |
DE3666238D1 (en) | 1989-11-16 |
US4784764A (en) | 1988-11-15 |
EP0228396B1 (fr) | 1989-10-11 |
EP0228396A1 (fr) | 1987-07-15 |
EP0228396B2 (fr) | 1992-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2583739B1 (fr) | Procede et dispositif pour la commande de l'addition de produits chimiques en vue de floculer des substances floculables dans des suspensions, en particulier pour epurer l'eau de retour d'installations de desencrage. | |
FR2682100B1 (fr) | Procede et dispositif pour l'epuration biologique des eaux residuaires. | |
FR2688336B1 (fr) | Procede pour separer le niobium, l'antimoine et/ou au moins un element des groupes viib et viii a partir de solutions aqueuses issues du retraitement des combustibles nucleaires uses. | |
FR2594113B1 (fr) | Procede et installation pour l'epuration d'eaux residuaires, notamment d'eaux residuaires urbaines | |
FR2630344B1 (fr) | Procede d'extraction de l'eau melangee a un fluide liquide | |
FR2478617B1 (fr) | Procede et dispositif de purification des eaux usees au moyen des boues activees avec reglage automatique de l'aeration | |
FR2613350B1 (fr) | Dispositif pour aerer de l'eau | |
FR2693662B1 (fr) | Dispositif de filtrage et de traitement d'eau pour prévenir l'incrustation de tartre. | |
FR2583738B1 (fr) | Procede et dispositif de distillation, en particulier pour la preparation d'eau douce a partir de solutions salines. | |
FR2723934B1 (fr) | Procede et dispositif pour le traitement d'un fluide, notamment des eaux residuaires, par filtration | |
MA21468A1 (fr) | Procede pour la valorisation de boues d'epuration. | |
FR2644773B2 (fr) | Procede et dispositif pour l'epuration d'eaux polluees | |
IT8483380A0 (it) | Procedimento per attivare biologicamente la depurazione delle acque di scarico con denitrificazione in un sistema a circolazione, e dispositivo perl'effettuazione di tale procedimento. | |
FR2592370B1 (fr) | Dispositif pour l'epuration de l'eau. | |
FR2540650B1 (fr) | Dispositif autonome pour la sterilisation de l'eau | |
FR2567361B1 (fr) | Procede et dispositif de drainage pour pots et bacs a plantes | |
FR2587714B1 (fr) | Procede pour separer l'eau et les solides des combustibles, en particulier de l'huile de schiste | |
BE884496A (fr) | Procede en vue d'introduire de l'oxygene dans des eaux, et recipient pour la realisation de ce procede | |
FR2476629B2 (fr) | Procede et installation pour l'elimination de la pollution carbonee et azotee des eaux usees | |
FR2557807B3 (fr) | Dispositif de filtre pour eau potable destinee a l'alimentation | |
FR2628729B1 (fr) | Dispositif d'emetteur d'ozone pour installations existantes de filtration d'eau pour piscines | |
FR2689494B1 (fr) | Procede et dispositif pour la purification d'eaux residuaires par voie biologique. | |
FR2676728B1 (fr) | Procede et dispositif pour eliminer les composes d'ammonium contenus dans les eaux usees. | |
FR2597709B1 (fr) | Dispositif pour l'alimentation intermittente automatique en eau d'une serie de pots ou de bacs a fleurs. | |
ATE4305T1 (de) | Anlage zur reinigung von abwasser. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |