DK188986A - Fremgangsmaade til flokkulation af suspenderede faste stoffer i en vandig suspension - Google Patents

Fremgangsmaade til flokkulation af suspenderede faste stoffer i en vandig suspension Download PDF

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Publication number
DK188986A
DK188986A DK188986A DK188986A DK188986A DK 188986 A DK188986 A DK 188986A DK 188986 A DK188986 A DK 188986A DK 188986 A DK188986 A DK 188986A DK 188986 A DK188986 A DK 188986A
Authority
DK
Denmark
Prior art keywords
floculation
procedure
aqueous suspension
suspended solids
solids
Prior art date
Application number
DK188986A
Other languages
Afrikaans (af)
Danish (da)
English (en)
Other versions
DK188986D0 (da
Inventor
David Farrar
John Rodney Field
Peter Flesher
Tony Whittaker
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=26289164&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK188986(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB858510496A external-priority patent/GB8510496D0/en
Priority claimed from GB858526624A external-priority patent/GB8526624D0/en
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of DK188986D0 publication Critical patent/DK188986D0/da
Publication of DK188986A publication Critical patent/DK188986A/da

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
    • C02F1/52—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
    • 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
    • C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • D21H17/43—Carboxyl groups or derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • 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

  • 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DK188986A 1985-04-25 1986-04-24 Fremgangsmaade til flokkulation af suspenderede faste stoffer i en vandig suspension DK188986A (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB858510496A GB8510496D0 (en) 1985-04-25 1985-04-25 Flocculation processes & polymers
GB8510496 1985-04-25
GB858526624A GB8526624D0 (en) 1985-10-29 1985-10-29 Flocculants
GB8526624 1985-10-29

Publications (2)

Publication Number Publication Date
DK188986D0 DK188986D0 (da) 1986-04-24
DK188986A true DK188986A (da) 1986-10-26

Family

ID=26289164

Family Applications (2)

Application Number Title Priority Date Filing Date
DK188886A DK158718C (da) 1985-04-25 1986-04-24 Fremgangsmaade til flokkulation af suspenderede faste stoffer i en vandig suspension
DK188986A DK188986A (da) 1985-04-25 1986-04-24 Fremgangsmaade til flokkulation af suspenderede faste stoffer i en vandig suspension

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK188886A DK158718C (da) 1985-04-25 1986-04-24 Fremgangsmaade til flokkulation af suspenderede faste stoffer i en vandig suspension

Country Status (10)

Country Link
US (1) US4720346A (no)
EP (2) EP0202780B2 (no)
JP (2) JPH08164B2 (no)
AU (2) AU581980B2 (no)
CA (2) CA1277785C (no)
DE (4) DE201237T1 (no)
DK (2) DK158718C (no)
ES (2) ES8800117A1 (no)
FI (2) FI861722A (no)
NO (2) NO861626L (no)

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US4113688A (en) * 1977-12-14 1978-09-12 Hercules Incorporated Process for rapidly dissolving gels of water-soluble polymers by extrusion, cutting and then slurrying under high shearing forces
JPS5730510A (en) * 1980-08-01 1982-02-18 Kurita Water Ind Ltd Flocculant
US4382864A (en) * 1980-08-08 1983-05-10 Kurita Water Industries Ltd. Process for dewatering sludges
JPS59157105A (ja) * 1983-02-25 1984-09-06 Sankyo Kasei Kogyo Kk アクリルアミド系水溶性高分子物質の製法
US4529794A (en) * 1984-03-29 1985-07-16 Diatec Polymers Method of rapidly dissolving polymers in water

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EP0201237A2 (en) 1986-11-12
AU5658586A (en) 1986-11-06
DK158718C (da) 1990-12-03
ES554791A0 (es) 1987-11-01
FI103766B (fi) 1999-09-30
CA1277785C (en) 1990-12-11
US4720346A (en) 1988-01-19
JPS61293509A (ja) 1986-12-24
NO861627L (no) 1986-10-27
ES8800849A1 (es) 1987-12-16
DE201237T1 (de) 1988-01-14
EP0201237B1 (en) 1991-01-23
DE202780T1 (de) 1988-01-14
JPS61293510A (ja) 1986-12-24
DE3677046D1 (de) 1991-02-28
NO167711C (no) 1991-12-04
EP0202780A2 (en) 1986-11-26
NO167711B (no) 1991-08-26
FI861724A0 (fi) 1986-04-24
CA1277449C (en) 1990-12-04
DK158718B (da) 1990-07-09
DK188886A (da) 1986-10-26
FI861722A0 (fi) 1986-04-24
FI103766B1 (fi) 1999-09-30
FI861722A (fi) 1986-10-26
JPH08164B2 (ja) 1996-01-10
DK188886D0 (da) 1986-04-24
ES8800117A1 (es) 1987-11-01
EP0202780B2 (en) 1998-12-09
EP0201237A3 (en) 1987-10-21
DE3666690D1 (en) 1989-12-07
DK188986D0 (da) 1986-04-24
EP0202780B1 (en) 1989-11-02
AU5658486A (en) 1986-11-06
FI861724A (fi) 1986-10-26
NO861626L (no) 1986-10-27
JPH08163B2 (ja) 1996-01-10
ES554792A0 (es) 1987-12-16
AU594671B2 (en) 1990-03-15
EP0202780A3 (en) 1987-10-21
AU581980B2 (en) 1989-03-09

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