GB9314071D0 - Dewatering of suspensions and polymers for use in this - Google Patents

Dewatering of suspensions and polymers for use in this

Info

Publication number
GB9314071D0
GB9314071D0 GB939314071A GB9314071A GB9314071D0 GB 9314071 D0 GB9314071 D0 GB 9314071D0 GB 939314071 A GB939314071 A GB 939314071A GB 9314071 A GB9314071 A GB 9314071A GB 9314071 D0 GB9314071 D0 GB 9314071D0
Authority
GB
United Kingdom
Prior art keywords
dewatering
suspensions
polymers
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.)
Granted
Application number
GB939314071A
Other versions
GB2268422A (en
GB2268422B (en
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 GB9314071D0 publication Critical patent/GB9314071D0/en
Publication of GB2268422A publication Critical patent/GB2268422A/en
Application granted granted Critical
Publication of GB2268422B publication Critical patent/GB2268422B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • C02F1/52—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
GB9314071A 1992-07-08 1993-07-08 Dewatering of suspensions and polyners for use in this Expired - Fee Related GB2268422B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929214517A GB9214517D0 (en) 1992-07-08 1992-07-08 Dewatering of suspensions and polymers for use in this

Publications (3)

Publication Number Publication Date
GB9314071D0 true GB9314071D0 (en) 1993-08-18
GB2268422A GB2268422A (en) 1994-01-12
GB2268422B GB2268422B (en) 1995-11-01

Family

ID=10718403

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929214517A Pending GB9214517D0 (en) 1992-07-08 1992-07-08 Dewatering of suspensions and polymers for use in this
GB9314071A Expired - Fee Related GB2268422B (en) 1992-07-08 1993-07-08 Dewatering of suspensions and polyners for use in this

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929214517A Pending GB9214517D0 (en) 1992-07-08 1992-07-08 Dewatering of suspensions and polymers for use in this

Country Status (1)

Country Link
GB (2) GB9214517D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339425A (en) * 1998-07-11 2000-01-26 Clearmasters Environmental Lim De-watering apparatus
US7566469B2 (en) * 2003-10-13 2009-07-28 Nalco Company Method of dewatering grain stillage solids
CN102690002B (en) * 2012-06-15 2013-11-20 湖州新开元碎石有限公司 Solid-liquid separation method for tailing disposal
US9896366B2 (en) * 2014-02-26 2018-02-20 Ecolab Usa Inc. Alternative additives to enhance slurry dewatering

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792406A (en) * 1988-05-23 1988-12-20 Nalco Chemical Company Method for dewatering a slurry using a twin belt press with cationic amine salts

Also Published As

Publication number Publication date
GB9214517D0 (en) 1992-08-19
GB2268422A (en) 1994-01-12
GB2268422B (en) 1995-11-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030708