CA825234A - Flocculation and filtration of alumina trihydrate - Google Patents

Flocculation and filtration of alumina trihydrate

Info

Publication number
CA825234A
CA825234A CA825234A CA983617A CA825234A CA 825234 A CA825234 A CA 825234A CA 825234 A CA825234 A CA 825234A CA 983617 A CA983617 A CA 983617A CA 825234 A CA825234 A CA 825234A
Authority
CA
Canada
Prior art keywords
flocculation
filtration
alumina trihydrate
trihydrate
alumina
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
Application number
CA825234A
Inventor
G. Flock Howard
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.)
Calgon Corp
Original Assignee
Calgon 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 Calgon Corp filed Critical Calgon Corp
Application granted granted Critical
Publication of CA825234A publication Critical patent/CA825234A/en
Expired 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
    • 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
CA825234A 1966-06-06 1967-02-23 Flocculation and filtration of alumina trihydrate Expired CA825234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55524166A 1966-06-06 1966-06-06

Publications (1)

Publication Number Publication Date
CA825234A true CA825234A (en) 1969-10-14

Family

ID=24216530

Family Applications (1)

Application Number Title Priority Date Filing Date
CA825234A Expired CA825234A (en) 1966-06-06 1967-02-23 Flocculation and filtration of alumina trihydrate

Country Status (1)

Country Link
CA (1) CA825234A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008089A (en) * 1988-10-14 1991-04-16 Allied Colloids Limited Recovery of alumina from bauxite
US5041269A (en) * 1989-04-10 1991-08-20 Allied Colloids Ltd. Recovery of alumina trihydrate in the Bayer process
US5091159A (en) * 1991-06-10 1992-02-25 Nalco Chemical Company Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process
EP0465055B1 (en) * 1990-06-25 1997-04-16 Nalco Australia Pty. Limited Crystal growth modification
US5716530A (en) * 1995-04-05 1998-02-10 Nalco Chemical Company Biopolymer use as a sand filter aid
WO2006093588A1 (en) * 2005-02-25 2006-09-08 Cytec Technology Corp. Water-in-oil-in water emulsions of hydroxamated polymers and methods for using the same
US9187337B2 (en) 2010-09-06 2015-11-17 Alcoa Of Australia Limited Method of increasing the stability of a Bayer process liquor
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008089A (en) * 1988-10-14 1991-04-16 Allied Colloids Limited Recovery of alumina from bauxite
AU625642B2 (en) * 1988-10-14 1992-07-16 Ciba Specialty Chemicals Water Treatments Limited Flocculation of red mud using dextran and a synthetic polyanion in bauxite processing
US5041269A (en) * 1989-04-10 1991-08-20 Allied Colloids Ltd. Recovery of alumina trihydrate in the Bayer process
EP0465055B1 (en) * 1990-06-25 1997-04-16 Nalco Australia Pty. Limited Crystal growth modification
US5091159A (en) * 1991-06-10 1992-02-25 Nalco Chemical Company Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process
US5716530A (en) * 1995-04-05 1998-02-10 Nalco Chemical Company Biopolymer use as a sand filter aid
WO2006093588A1 (en) * 2005-02-25 2006-09-08 Cytec Technology Corp. Water-in-oil-in water emulsions of hydroxamated polymers and methods for using the same
US8216534B2 (en) 2005-02-25 2012-07-10 Cytec Technology Corporation Water-in-oil-in-water emulsions of hydroxamated polymers and methods for using the same
US9187337B2 (en) 2010-09-06 2015-11-17 Alcoa Of Australia Limited Method of increasing the stability of a Bayer process liquor
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
US11208332B2 (en) 2015-12-04 2021-12-28 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers

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