CA2883633C - Process for filtration enhancement of aqueous dispersions - Google Patents

Process for filtration enhancement of aqueous dispersions Download PDF

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Publication number
CA2883633C
CA2883633C CA2883633A CA2883633A CA2883633C CA 2883633 C CA2883633 C CA 2883633C CA 2883633 A CA2883633 A CA 2883633A CA 2883633 A CA2883633 A CA 2883633A CA 2883633 C CA2883633 C CA 2883633C
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CA
Canada
Prior art keywords
polymer
group
filtration
meth
acrylamide
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.)
Active
Application number
CA2883633A
Other languages
English (en)
French (fr)
Other versions
CA2883633A1 (en
Inventor
Michael J. Bluemle
Lawrence J. Andermann
Jeffrey H. Peltier
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.)
Solenis Technologies Cayman LP
Original Assignee
Solenis Technologies Cayman LP
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 Solenis Technologies Cayman LP filed Critical Solenis Technologies Cayman LP
Publication of CA2883633A1 publication Critical patent/CA2883633A1/en
Application granted granted Critical
Publication of CA2883633C publication Critical patent/CA2883633C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C02F1/56—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
CA2883633A 2012-09-19 2013-09-13 Process for filtration enhancement of aqueous dispersions Active CA2883633C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261702774P 2012-09-19 2012-09-19
US61/702,774 2012-09-19
PCT/US2013/059694 WO2014046979A1 (en) 2012-09-19 2013-09-13 Process for filtration enhancement of aqueous dispersions

Publications (2)

Publication Number Publication Date
CA2883633A1 CA2883633A1 (en) 2014-03-27
CA2883633C true CA2883633C (en) 2017-04-11

Family

ID=50341874

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2883633A Active CA2883633C (en) 2012-09-19 2013-09-13 Process for filtration enhancement of aqueous dispersions

Country Status (10)

Country Link
EP (1) EP2897707A4 (es)
CN (1) CN104640612A (es)
AU (1) AU2013318334B2 (es)
BR (1) BR112015005846B1 (es)
CA (1) CA2883633C (es)
CL (1) CL2015000672A1 (es)
MX (1) MX2015003298A (es)
PE (1) PE20150931A1 (es)
WO (1) WO2014046979A1 (es)
ZA (1) ZA201502608B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190100448A1 (en) 2016-04-21 2019-04-04 Basf Se Amphoteric polymer, process for production thereof, and use thereof, to treat aqueous dispersions
CN106215893A (zh) * 2016-08-17 2016-12-14 鞍钢集团矿业有限公司 一种低品位铁矿粉的助滤剂
CN113461928B (zh) * 2021-06-30 2023-03-17 上海抚佳精细化工有限公司 一种低凝点聚醚及其组合物和其制备方法和应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA914925A (en) * 1972-11-21 Simonacco Limited Process for the concentration of the solid content of aqueous suspensions containing clay minerals
US3171802A (en) * 1962-11-14 1965-03-02 Gen Services Company Sewage treatment
US3541009A (en) * 1968-12-18 1970-11-17 Nalco Chemical Co Polymer-polysaccharide-caustic alkali compositions and process of separating solids from aqueous suspensions therewith
US5871648A (en) * 1996-11-26 1999-02-16 Environmental Chemistries, Inc. Wastewater treatment process and apparatus for high flow impurity removal
EP0905091A1 (en) * 1997-09-29 1999-03-31 Nalco Chemical Company Starch/cationic polymer combinations as coagulants for the mining industry
GB0029077D0 (en) * 2000-11-29 2001-01-10 Ciba Spec Chem Water Treat Ltd Flocculation of mineral suspensions
GB0405506D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
GB0405505D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
FI20085969L (fi) * 2008-10-15 2010-04-16 Kautar Oy Hapan vesi ja sen käyttö vedenpoistoon tai kiintoaineiden erottamiseen

Also Published As

Publication number Publication date
EP2897707A4 (en) 2016-10-26
WO2014046979A1 (en) 2014-03-27
BR112015005846A2 (pt) 2017-07-04
PE20150931A1 (es) 2015-06-10
CN104640612A (zh) 2015-05-20
EP2897707A1 (en) 2015-07-29
CL2015000672A1 (es) 2015-08-07
AU2013318334A1 (en) 2015-03-05
AU2013318334B2 (en) 2016-06-09
BR112015005846B1 (pt) 2021-06-22
MX2015003298A (es) 2015-07-14
CA2883633A1 (en) 2014-03-27
ZA201502608B (en) 2017-09-27

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Effective date: 20150302