DE3578930D1 - Flockungsmittel und verfahren fuer ihre herstellung. - Google Patents

Flockungsmittel und verfahren fuer ihre herstellung.

Info

Publication number
DE3578930D1
DE3578930D1 DE8585302925T DE3578930T DE3578930D1 DE 3578930 D1 DE3578930 D1 DE 3578930D1 DE 8585302925 T DE8585302925 T DE 8585302925T DE 3578930 T DE3578930 T DE 3578930T DE 3578930 D1 DE3578930 D1 DE 3578930D1
Authority
DE
Germany
Prior art keywords
flocculators
production
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
Application number
DE8585302925T
Other languages
English (en)
Inventor
Tony Whittaker
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Allied Colloids Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10560279&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3578930(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Application granted granted Critical
Publication of DE3578930D1 publication Critical patent/DE3578930D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • 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
    • C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/922—Flocculating, clarifying, or fining compositions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE8585302925T 1984-04-30 1985-04-25 Flockungsmittel und verfahren fuer ihre herstellung. Expired - Lifetime DE3578930D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848410971A GB8410971D0 (en) 1984-04-30 1984-04-30 Flocculants and processes

Publications (1)

Publication Number Publication Date
DE3578930D1 true DE3578930D1 (de) 1990-09-06

Family

ID=10560279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585302925T Expired - Lifetime DE3578930D1 (de) 1984-04-30 1985-04-25 Flockungsmittel und verfahren fuer ihre herstellung.

Country Status (6)

Country Link
US (1) US4705640A (de)
EP (1) EP0160527B1 (de)
JP (1) JPH0638882B2 (de)
CA (1) CA1255016A (de)
DE (1) DE3578930D1 (de)
GB (1) GB8410971D0 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710304A (en) * 1984-11-26 1987-12-01 Joseph J. Campbell Method for improving the utilization of polyelectrolytes in dewatering aqueous suspensions
US4943378A (en) * 1985-04-25 1990-07-24 Allied Colloids Ltd. Flocculation processes
MX18620A (es) 1988-12-19 1993-10-01 American Cyanamid Co Floculante polimerico de alto desempeño, proceso para su preparacion, metodo para la liberacion de agua de un dispersion de solidos suspendidos y metodo de floculacion de una dispersion de solidos suspendidos
US5723548A (en) * 1988-12-19 1998-03-03 Cytec Technology Corp. Emulsified mannich acrylamide polymers
US5037881A (en) * 1989-10-30 1991-08-06 American Cyanamid Company Emulsified mannich acrylamide polymers
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers
DE68921053T3 (de) * 1988-12-19 2004-07-22 Cytec Technology Corp., Wilmington Hochleistungs-Polymer-Flokkuliermittel.
US5185083A (en) * 1990-05-17 1993-02-09 Air Products And Chemicals, Inc. Separation of solids from aqueous suspensions using modified amine functional polymers
US5171808A (en) * 1990-06-11 1992-12-15 American Cyanamid Company Cross-linked anionic and amphoteric polymeric microparticles
US5698109A (en) * 1990-06-29 1997-12-16 Allied Colloids Limited Purification of aqueous liquor
US5185135A (en) * 1991-08-12 1993-02-09 Nalco Chemical Company Method of dewatering a wet process phosphoric acid slurry
FR2707621B1 (fr) * 1993-07-12 1995-10-20 Omnium Traitement Valorisa Procédé et installation d'épuration d'eau à boues physico-chimiques dénitrifiantes.
US5427750A (en) * 1993-10-29 1995-06-27 Nalco Chemical Company Polymers for removing humates from bayer process liquors
US5529588A (en) * 1993-12-06 1996-06-25 Nalco Chemical Company Method of dewatering coal using vinyl amine-containing coagulants
DE4402547C1 (de) * 1994-01-28 1995-03-23 Stockhausen Chem Fab Gmbh Vorrichtung und Verfahren zum Auflösen von wasserlöslichen, pulverförmigen Polymerisaten
US5380444A (en) * 1994-02-23 1995-01-10 Cytec Technology Corp. Ampholytic polymers and polymeric microemulsions
US5650465A (en) * 1994-02-23 1997-07-22 Cytec Technology Corp. Ampholytic polymers and polymeric microemulsions
US5626718A (en) * 1994-09-16 1997-05-06 Betz Laboratories, Inc. Use of polymers in the recycled fiber washing/deinking process
GB9516254D0 (en) * 1995-08-08 1995-10-11 Allied Colloids Ltd Dewatering of aqueous suspensions
US5622533A (en) * 1995-12-13 1997-04-22 Nalco Chemical Company Vinylamine copolymer coagulants for use in coal refuse dewatering
JP3691768B2 (ja) * 2001-02-08 2005-09-07 株式会社埼玉種畜牧場 汚泥処理方法
US20040087717A1 (en) * 2002-11-04 2004-05-06 Ge Betz, Inc. Modified polymeric flocculants with improved performance characteristics
GB0405493D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
WO2007119720A1 (ja) * 2006-04-12 2007-10-25 Dia-Nitrix Co., Ltd. 汚泥または廃水の処理方法
CN102197171B (zh) * 2008-10-29 2013-08-21 三井化学株式会社 卷曲复合纤维及包含该纤维的无纺布
JP2010131469A (ja) * 2008-10-30 2010-06-17 Kurita Water Ind Ltd 膜分離処理方法
CN102176960B (zh) * 2008-10-31 2015-02-18 Mt奥科高分子株式会社 水溶性高分子的溶解方法
JP5877600B2 (ja) * 2011-03-31 2016-03-08 アクアス株式会社 凝集処理装置
WO2024189114A1 (en) * 2023-03-13 2024-09-19 Snf Group Modulable method for treating an aqueous effluent

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002960A (en) * 1958-08-18 1961-10-03 American Cyanamid Co Polyacrylamide preparation
US3278506A (en) * 1961-08-21 1966-10-11 Nalco Chemical Co Water-soluble polymers and copolymers
US3210308A (en) * 1962-07-06 1965-10-05 Dow Chemical Co Polymeric flocculants
AT274349B (de) * 1964-12-21 1969-09-10 Chemolimpex Verfahren zur Herstellung wässeriger Lösungen, die hochmolekulares Polyacrylamid und Natriumpolyacrylat enthalten
US3536646A (en) * 1967-03-13 1970-10-27 Dow Chemical Co Method for polymer dilution
GB1310491A (en) * 1968-11-28 1973-03-21 Paxman & Co Ltd Davey Treatment of sewage sludge
GB1323699A (en) * 1969-11-05 1973-07-18 Dow Chemical Co Method for dlarifying titanium sulphate solutions
GB1399598A (en) * 1971-06-24 1975-07-02 Norwich Water treatment process and apparatus
GB1428790A (en) * 1973-09-28 1976-03-17 Tate & Lyle Ltd Production of cane sugar
JPS49127880A (de) * 1973-04-13 1974-12-06
US3917529A (en) * 1974-07-01 1975-11-04 Nalco Chemical Co Process for the destabilization and separation of ilmenite (FEO TIO2) tailings
US3977971A (en) * 1974-12-03 1976-08-31 Betz Laboratories, Inc. Method of feeding polymers
US4105558A (en) * 1975-04-08 1978-08-08 Heinrich Hans J Apparatus for draining of muddy liquids
JPS53140275A (en) * 1977-05-12 1978-12-07 Kyoritsu Yuki Kogyo Kenkyusho:Kk Using method for anionic high polymer aggregating and dehydrating agent
CA1178720A (en) * 1981-12-16 1984-11-27 Walter Sencza Continuous polymer feed system for a waste water treatment plant
JPS6038200B2 (ja) * 1982-04-22 1985-08-30 栗田工業株式会社 汚泥脱水法
US4537513A (en) * 1982-08-06 1985-08-27 Allied Colloids Limited Process for dissolving polymeric material
US4529794A (en) * 1984-03-29 1985-07-16 Diatec Polymers Method of rapidly dissolving polymers in water

Also Published As

Publication number Publication date
EP0160527A2 (de) 1985-11-06
US4705640A (en) 1987-11-10
EP0160527B1 (de) 1990-08-01
EP0160527A3 (en) 1987-08-26
JPH0638882B2 (ja) 1994-05-25
CA1255016A (en) 1989-05-30
JPS6118408A (ja) 1986-01-27
GB8410971D0 (en) 1984-06-06

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Free format text: BARZ, P., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80803 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: CIBA SPECIALITY CHEMICALS WATER TREATMENTS LTD., B

8339 Ceased/non-payment of the annual fee