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GB2270519B - Trihydrate clarification aid for the bayer process - Google Patents

Trihydrate clarification aid for the bayer process

Info

Publication number
GB2270519B
GB2270519B GB9318210A GB9318210A GB2270519B GB 2270519 B GB2270519 B GB 2270519B GB 9318210 A GB9318210 A GB 9318210A GB 9318210 A GB9318210 A GB 9318210A GB 2270519 B GB2270519 B GB 2270519B
Authority
GB
United Kingdom
Prior art keywords
trihydrate
bayer process
clarification aid
clarification
aid
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.)
Expired - Fee Related
Application number
GB9318210A
Other versions
GB9318210D0 (en
GB2270519A (en
Inventor
Robert P Mahoney
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of GB9318210D0 publication Critical patent/GB9318210D0/en
Publication of GB2270519A publication Critical patent/GB2270519A/en
Application granted granted Critical
Publication of GB2270519B publication Critical patent/GB2270519B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C01F7/148—Separation of the obtained hydroxide, e.g. by filtration or dewatering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB9318210A 1992-09-14 1993-09-02 Trihydrate clarification aid for the bayer process Expired - Fee Related GB2270519B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94429092A 1992-09-14 1992-09-14

Publications (3)

Publication Number Publication Date
GB9318210D0 GB9318210D0 (en) 1993-10-20
GB2270519A GB2270519A (en) 1994-03-16
GB2270519B true GB2270519B (en) 1996-03-20

Family

ID=25481143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9318210A Expired - Fee Related GB2270519B (en) 1992-09-14 1993-09-02 Trihydrate clarification aid for the bayer process

Country Status (4)

Country Link
AU (1) AU667390B2 (en)
CA (1) CA2105333A1 (en)
GB (1) GB2270519B (en)
IE (1) IE76299B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0602900B1 (en) * 1992-12-14 1997-03-12 Nalco Chemical Company Trihydrate crystal modification in the bayer process
AU669284B2 (en) * 1993-06-02 1996-05-30 Nalco Chemical Company Use of hydroxamic acid containing polymers to improve filtration of settler overflow in Kelly filters in the Bayer process
US5601726A (en) * 1994-06-06 1997-02-11 Cytec Technology Corp. Hydroxameted polymers in the bayer process to reduce solids
US5539046A (en) * 1994-11-04 1996-07-23 Cytec Technology Corp. Blends of hydroxamated polymer emulsions with polyacrylate emulsions
AU720125B2 (en) * 1995-11-07 2000-05-25 Cytec Technology Corp. Reduction of impurities in bayer process alumina trihydrate
AU2006219036B2 (en) 2005-02-25 2010-12-23 Cytec Technology Corp. Water-in-oil-in water emulsions of hydroxamated polymers and methods for using the same
EP2477708A4 (en) 2009-09-15 2013-12-11 Suncor Energy Inc METHOD FOR FLOODING AND DRAINING OF RIPE BREAKFAST MATERIAL FROM OIL SAND
WO2011032253A1 (en) 2009-09-15 2011-03-24 Suncor Energy Inc. Process for drying oil sand mature fine tailings
WO2011050440A1 (en) 2009-10-30 2011-05-05 Suncor Energy Inc. Depositing and farming methods for drying oil sand mature fine tailings

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314855A2 (en) * 1987-02-11 1989-05-10 American Cyanamid Company Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314855A2 (en) * 1987-02-11 1989-05-10 American Cyanamid Company Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams

Also Published As

Publication number Publication date
CA2105333A1 (en) 1994-03-15
GB9318210D0 (en) 1993-10-20
IE930677A1 (en) 1994-03-23
GB2270519A (en) 1994-03-16
AU4611493A (en) 1994-03-24
IE76299B1 (en) 1997-10-08
AU667390B2 (en) 1996-03-21

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Legal Events

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

Effective date: 19980902