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AU2379992A - Dewatering of aqueous suspensions - Google Patents

Dewatering of aqueous suspensions

Info

Publication number
AU2379992A
AU2379992A AU23799/92A AU2379992A AU2379992A AU 2379992 A AU2379992 A AU 2379992A AU 23799/92 A AU23799/92 A AU 23799/92A AU 2379992 A AU2379992 A AU 2379992A AU 2379992 A AU2379992 A AU 2379992A
Authority
AU
Australia
Prior art keywords
suspension
process according
cationic
flotation
polymer
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.)
Abandoned
Application number
AU23799/92A
Other languages
English (en)
Inventor
John Graham Langley
Peter Robin Broughton Lawrence
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 AU2379992A publication Critical patent/AU2379992A/en
Abandoned 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
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • 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
    • 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
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
AU23799/92A 1991-08-02 1992-08-03 Dewatering of aqueous suspensions Abandoned AU2379992A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9116702 1991-08-02
GB9116702A GB9116702D0 (en) 1991-08-02 1991-08-02 Dewatering of aqueous suspensions

Publications (1)

Publication Number Publication Date
AU2379992A true AU2379992A (en) 1993-03-02

Family

ID=10699405

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23799/92A Abandoned AU2379992A (en) 1991-08-02 1992-08-03 Dewatering of aqueous suspensions

Country Status (11)

Country Link
EP (1) EP0597950A1 (pt)
JP (1) JPH06509741A (pt)
AU (1) AU2379992A (pt)
BR (1) BR9206330A (pt)
CA (1) CA2114437A1 (pt)
FI (1) FI940436L (pt)
GB (1) GB9116702D0 (pt)
MX (1) MX9204516A (pt)
NO (1) NO940336D0 (pt)
WO (1) WO1993002966A1 (pt)
ZA (1) ZA925819B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5637191A (en) * 1992-04-15 1997-06-10 Allied Colloids Limited Treatment of cellulosic material and compositions for use in this
GB9322118D0 (en) * 1993-10-27 1993-12-15 Allied Colloids Ltd 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
WO1996013464A1 (en) * 1994-10-31 1996-05-09 Cytec Technology Corporation Methods of coagulating and decolorizing waste streams
US5961838A (en) * 1997-12-18 1999-10-05 Nalco Chemical Company Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water
RU2162445C1 (ru) * 2000-06-28 2001-01-27 Акционерное общество закрытого типа "К-СТ Интернейшнл" Способ очистки технологических вод
US6413433B1 (en) 2000-08-31 2002-07-02 Nalco Chemical Company Method for dewatering of sludge
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
JP4048369B2 (ja) * 2003-07-17 2008-02-20 株式会社蓬莱組 ヘドロ状態の高濃度泥水用脱水剤およびヘドロ状態の高濃度泥水の処理方法
CN103466839A (zh) * 2013-09-26 2013-12-25 东莞玖龙纸业有限公司 一种油墨废水的处理方法
ES2941733T3 (es) * 2017-12-15 2023-05-25 Kemira Oyj Método para el tratamiento de alimentación acuosa mediante flotación de gas disuelto
CN116639772B (zh) * 2023-06-12 2025-08-01 广东鑫菱环境科技有限公司 一种pcb板退膜废液循环再生利用的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3627407C2 (de) * 1986-08-13 1994-05-19 Steinbeis Temming Papier Gmbh Verfahren zur Reinigung von Wasserkreisläufen bei der Halbstoff- und Papierherstellung
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

Also Published As

Publication number Publication date
FI940436A0 (fi) 1994-01-28
NO940336L (no) 1994-02-01
MX9204516A (es) 1993-04-01
EP0597950A1 (en) 1994-05-25
ZA925819B (en) 1993-08-03
NO940336D0 (no) 1994-02-01
GB9116702D0 (en) 1991-09-18
FI940436A7 (fi) 1994-01-28
FI940436L (fi) 1994-01-28
JPH06509741A (ja) 1994-11-02
BR9206330A (pt) 1994-10-11
WO1993002966A1 (en) 1993-02-18
CA2114437A1 (en) 1993-02-18

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