CA2939319A1 - Procede de deshydratation de residus mineraux par traitement desdits residus avec au moins deux polymeres differents de viscosites intrinseques differentes - Google Patents

Procede de deshydratation de residus mineraux par traitement desdits residus avec au moins deux polymeres differents de viscosites intrinseques differentes Download PDF

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Publication number
CA2939319A1
CA2939319A1 CA2939319A CA2939319A CA2939319A1 CA 2939319 A1 CA2939319 A1 CA 2939319A1 CA 2939319 A CA2939319 A CA 2939319A CA 2939319 A CA2939319 A CA 2939319A CA 2939319 A1 CA2939319 A1 CA 2939319A1
Authority
CA
Canada
Prior art keywords
polymer
suspension
tailings
solids
shearing
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
CA2939319A
Other languages
English (en)
Inventor
Stephen Adkins
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of CA2939319A1 publication Critical patent/CA2939319A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
    • 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
    • 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
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA2939319A 2014-05-12 2015-05-12 Procede de deshydratation de residus mineraux par traitement desdits residus avec au moins deux polymeres differents de viscosites intrinseques differentes Abandoned CA2939319A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14167877.1 2014-05-12
EP14167877 2014-05-12
PCT/IB2015/053481 WO2015173728A1 (fr) 2014-05-12 2015-05-12 Procédé de déshydratation de résidus minéraux par traitement desdits résidus avec au moins deux polymères différents de viscosités intrinsèques différentes

Publications (1)

Publication Number Publication Date
CA2939319A1 true CA2939319A1 (fr) 2015-11-19

Family

ID=50685806

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2939319A Abandoned CA2939319A1 (fr) 2014-05-12 2015-05-12 Procede de deshydratation de residus mineraux par traitement desdits residus avec au moins deux polymeres differents de viscosites intrinseques differentes

Country Status (2)

Country Link
CA (1) CA2939319A1 (fr)
WO (1) WO2015173728A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020089271A1 (fr) * 2018-10-31 2020-05-07 Basf Se Déshydratation améliorée de résidus miniers utilisant un prétraitement chimique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9801524D0 (en) * 1998-01-23 1998-03-25 Allied Colloids Ltd Thickening of aqueous mineral suspensions
GB0405506D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
GB0405493D0 (en) * 2004-03-12 2004-04-21 Ciba Spec Chem Water Treat Ltd Dewatering process
CN101733200A (zh) * 2009-12-25 2010-06-16 中南大学 一种絮凝剂处理铝土矿选矿尾矿的方法
AU2012330464B2 (en) * 2011-10-25 2015-06-18 Basf Se Concentration of suspensions
CN102963967B (zh) * 2012-09-02 2015-06-10 栾川县秦豫科技有限公司 选钼尾矿浆处理药剂及其制备方法

Also Published As

Publication number Publication date
WO2015173728A1 (fr) 2015-11-19

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20160810

FZDE Discontinued

Effective date: 20190710