OA10164A - Use of anionic flocculants and hydroxamated polymers as bayer process red mud flocculants - Google Patents

Use of anionic flocculants and hydroxamated polymers as bayer process red mud flocculants Download PDF

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Publication number
OA10164A
OA10164A OA60673A OA60673A OA10164A OA 10164 A OA10164 A OA 10164A OA 60673 A OA60673 A OA 60673A OA 60673 A OA60673 A OA 60673A OA 10164 A OA10164 A OA 10164A
Authority
OA
OAPI
Prior art keywords
polymer
process according
water
flocculant
settler
Prior art date
Application number
OA60673A
Other languages
English (en)
Inventor
Kevin J Loucks
Robert W Cole
Original Assignee
Cytec Tech Corp
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 Cytec Tech Corp filed Critical Cytec Tech Corp
Publication of OA10164A publication Critical patent/OA10164A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
OA60673A 1994-06-06 1995-06-06 Use of anionic flocculants and hydroxamated polymers as bayer process red mud flocculants OA10164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25433994A 1994-06-06 1994-06-06

Publications (1)

Publication Number Publication Date
OA10164A true OA10164A (en) 1996-12-18

Family

ID=22963901

Family Applications (1)

Application Number Title Priority Date Filing Date
OA60673A OA10164A (en) 1994-06-06 1995-06-06 Use of anionic flocculants and hydroxamated polymers as bayer process red mud flocculants

Country Status (8)

Country Link
EP (1) EP0686599B1 (de)
AU (1) AU691595B2 (de)
BR (1) BR9502678A (de)
CA (1) CA2150899A1 (de)
DE (1) DE69506786T2 (de)
ES (1) ES2125516T3 (de)
OA (1) OA10164A (de)
UA (1) UA41905C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002137919A (ja) * 2000-10-30 2002-05-14 Showa Denko Kk ゲーサイトを含む赤泥の分離方法
US6669852B2 (en) 2000-10-30 2003-12-30 Showa Denko Kabushiki Kaisha Separation method of goethite-containing red mud

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU536264B2 (en) * 1980-07-23 1984-05-03 Cytec Technology Corp. Process for alumina recovery
US4678585A (en) 1981-12-30 1987-07-07 American Cyanamid Company Process for alumina recovery
US4767540A (en) * 1987-02-11 1988-08-30 American Cyanamid Company Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams

Also Published As

Publication number Publication date
EP0686599B1 (de) 1998-12-23
UA41905C2 (uk) 2001-10-15
CA2150899A1 (en) 1995-12-07
AU691595B2 (en) 1998-05-21
AU2050195A (en) 1995-12-14
ES2125516T3 (es) 1999-03-01
DE69506786D1 (de) 1999-02-04
DE69506786T2 (de) 1999-08-05
BR9502678A (pt) 1996-03-05
EP0686599A1 (de) 1995-12-13

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