DE69227466D1 - Entwässerung von wässrigen suspensionen - Google Patents

Entwässerung von wässrigen suspensionen

Info

Publication number
DE69227466D1
DE69227466D1 DE69227466T DE69227466T DE69227466D1 DE 69227466 D1 DE69227466 D1 DE 69227466D1 DE 69227466 T DE69227466 T DE 69227466T DE 69227466 T DE69227466 T DE 69227466T DE 69227466 D1 DE69227466 D1 DE 69227466D1
Authority
DE
Germany
Prior art keywords
suspension
flocculated
drainage
aqueous suspensions
aggregated
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
DE69227466T
Other languages
English (en)
Other versions
DE69227466T2 (de
Inventor
John Langley
Philip Ford
Stephen Tremont
Brian Satterfield
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
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of DE69227466D1 publication Critical patent/DE69227466D1/de
Application granted granted Critical
Publication of DE69227466T2 publication Critical patent/DE69227466T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • 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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Removal Of Specific Substances (AREA)
  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Physical Water Treatments (AREA)
DE1992627466 1991-08-02 1992-08-03 Entwässerung von wässrigen suspensionen Expired - Lifetime DE69227466T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9116701A GB9116701D0 (en) 1991-08-02 1991-08-02 Dewatering of aqueous suspensions
PCT/GB1992/001430 WO1993002967A1 (en) 1991-08-02 1992-08-03 Dewatering of aqueous suspensions

Publications (2)

Publication Number Publication Date
DE69227466D1 true DE69227466D1 (de) 1998-12-03
DE69227466T2 DE69227466T2 (de) 1999-03-18

Family

ID=10699404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992627466 Expired - Lifetime DE69227466T2 (de) 1991-08-02 1992-08-03 Entwässerung von wässrigen suspensionen

Country Status (16)

Country Link
EP (1) EP0641293B1 (de)
JP (1) JP3313711B2 (de)
KR (1) KR100213669B1 (de)
AT (1) ATE172697T1 (de)
AU (1) AU664851B2 (de)
BR (1) BR9206329A (de)
CA (1) CA2114436C (de)
DE (1) DE69227466T2 (de)
DK (1) DK0641293T3 (de)
ES (1) ES2123566T3 (de)
FI (1) FI106950B (de)
GB (1) GB9116701D0 (de)
MX (1) MX9204515A (de)
NO (1) NO305746B1 (de)
WO (1) WO1993002967A1 (de)
ZA (1) ZA925787B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9322118D0 (en) * 1993-10-27 1993-12-15 Allied Colloids Ltd Treatment of cellulosic material and compositions for use in this
US5637191A (en) * 1992-04-15 1997-06-10 Allied Colloids Limited Treatment of cellulosic material and compositions for use in this
US5454955A (en) * 1994-03-25 1995-10-03 Nalco Chemical Company Use of hectorite as a clarification aid for deink plant effluent
ES2125671T3 (es) * 1994-10-31 1999-03-01 Cytec Tech Corp Procedimientos de coagulacion y decoloracion de corrientes residuales.
US5562832A (en) * 1995-01-13 1996-10-08 Beloit Technologies, Inc. Absorptive sludge dewatering process for papermaking waste
GB9507710D0 (en) * 1995-04-13 1995-05-31 Ecc Int Ltd Waste paper treatment process
IT1297042B1 (it) * 1997-12-31 1999-08-03 De La Rue Giori Sa Procedimento di produzione di soluzione di asciugatura fresca e di trattamento della soluzione di asciugatura usata e dispositivo di
GB9800497D0 (en) * 1998-01-09 1998-03-04 Allied Colloids Ltd Dewatering of sludges
GB0218021D0 (en) 2002-08-05 2002-09-11 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
GB0220602D0 (en) * 2002-09-05 2002-10-16 Salvtech Ltd A method of producing moulded products from waste paper
JP3969355B2 (ja) * 2003-06-24 2007-09-05 株式会社石垣 懸濁物質の凝集処理方法
GB0405493D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
US8382950B2 (en) * 2007-09-12 2013-02-26 Nalco Company Recycling of waste coating color
JP5310370B2 (ja) * 2009-08-07 2013-10-09 王子ホールディングス株式会社 脱墨パルプの製造方法
CA3050234C (en) 2009-09-15 2022-11-08 Suncor Energy Inc. Techniques for flocculating and dewatering fine tailings
EP3199218B1 (de) 2009-09-15 2019-11-06 Suncor Energy Inc. Verfahren zur trocknung von ölsandbruchfeinmaterial
AU2009354586A1 (en) 2009-10-30 2012-05-24 Suncor Energy Inc. Depositing and farming methods for drying oil sand mature fine tailings
JP5724075B2 (ja) * 2009-11-11 2015-05-27 デュプロ精工株式会社 脱墨排液処理装置、脱墨システム及び脱墨排液の処理方法
EP2363290A1 (de) * 2010-03-05 2011-09-07 KBA-NotaSys SA Vorrichtung und Verfahren zum Recyceln der Reinigungslösung einer oder mehrerer Tiefdruckmaschinen
DE102014116682B4 (de) 2013-11-15 2018-01-25 Wolfgang BITSCH Verfahren zur Entwässerung von Bentonit-Suspensionen
CN107055856A (zh) * 2017-03-01 2017-08-18 嘉兴新璞环保科技有限公司 一种水墨污水处理系统
CN108724990B (zh) * 2017-04-24 2021-05-18 精工爱普生株式会社 处理装置、薄片制造装置、处理方法以及薄片的制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046233A (en) * 1957-12-17 1962-07-24 Midland Ross Corp Treatment of aqueous solutions
FR1472923A (fr) * 1963-12-30 1967-03-17 Hollifield Corp Procédé pour clarifier des fluides effluents de déchets provenant du désencrage de papiers imprimés
US3617568A (en) * 1970-01-02 1971-11-02 Standard Oil Co Process for flocculating colloidal particles by the sequential addition of polymers
FR2649091B1 (fr) * 1989-06-29 1991-10-04 Du Pin Cellulose Procede et dispositif pour le traitement des effluents contenant des encres a l'eau
US5071587A (en) * 1990-05-31 1991-12-10 Aquatechnica, Inc. Composition and method for purifying water

Also Published As

Publication number Publication date
KR100213669B1 (ko) 1999-08-02
EP0641293B1 (de) 1998-10-28
ES2123566T3 (es) 1999-01-16
FI940437A0 (fi) 1994-01-28
NO305746B1 (no) 1999-07-19
MX9204515A (es) 1993-04-01
JP3313711B2 (ja) 2002-08-12
AU664851B2 (en) 1995-12-07
EP0641293A1 (de) 1995-03-08
WO1993002967A1 (en) 1993-02-18
AU2380092A (en) 1993-03-02
NO940335D0 (no) 1994-02-01
CA2114436A1 (en) 1993-02-18
GB9116701D0 (en) 1991-09-18
DE69227466T2 (de) 1999-03-18
JPH06509742A (ja) 1994-11-02
FI940437A (fi) 1994-01-28
ZA925787B (en) 1993-08-02
FI106950B (fi) 2001-05-15
BR9206329A (pt) 1995-04-04
NO940335L (no) 1994-02-01
DK0641293T3 (da) 1999-07-12
CA2114436C (en) 2004-06-01
ATE172697T1 (de) 1998-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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