IT966361B - Processo per la preparazione di fango rosso da soluzioni d allu mina - Google Patents

Processo per la preparazione di fango rosso da soluzioni d allu mina

Info

Publication number
IT966361B
IT966361B IT53403/72A IT5340372A IT966361B IT 966361 B IT966361 B IT 966361B IT 53403/72 A IT53403/72 A IT 53403/72A IT 5340372 A IT5340372 A IT 5340372A IT 966361 B IT966361 B IT 966361B
Authority
IT
Italy
Prior art keywords
preparation
red mud
aluminum solutions
aluminum
solutions
Prior art date
Application number
IT53403/72A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT966361B publication Critical patent/IT966361B/it

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
    • C01F7/06—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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and 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 a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treatment Of Sludge (AREA)
  • Polymerisation Methods In General (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
IT53403/72A 1972-01-13 1972-10-16 Processo per la preparazione di fango rosso da soluzioni d allu mina IT966361B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21758872A 1972-01-13 1972-01-13

Publications (1)

Publication Number Publication Date
IT966361B true IT966361B (it) 1974-02-11

Family

ID=22811687

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53403/72A IT966361B (it) 1972-01-13 1972-10-16 Processo per la preparazione di fango rosso da soluzioni d allu mina

Country Status (9)

Country Link
JP (1) JPS5215079B2 (de)
AU (1) AU443312B2 (de)
BR (1) BR7207168D0 (de)
CA (1) CA996285A (de)
DE (1) DE2251261C3 (de)
ES (1) ES407180A1 (de)
FR (1) FR2167501B1 (de)
GB (1) GB1378981A (de)
IT (1) IT966361B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800466C3 (de) * 1978-01-05 1981-12-03 Agfa-Gevaert Ag, 5090 Leverkusen Photographisches Material
DE2831499C3 (de) * 1978-07-14 1983-01-05 Nalco Chemical Co., 60521 Oak Brook, Ill. Verfahren zur Fluidisierung konzentrierter wäßriger Suspensionen von Rotschlamm
CA1176031A (en) * 1980-07-23 1984-10-16 American Cyanamid Company Process for alumina recovery
US4545902A (en) * 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
US6022498A (en) 1996-04-19 2000-02-08 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089173B (de) * 1957-05-31 1960-09-15 Dow Chemical Co Inverses Emulsionspolymerisations-verfahren zur Herstellung von Polymerisaten und Mischpolymerisaten wasserloeslicher Monomerer
US3284393A (en) * 1959-11-04 1966-11-08 Dow Chemical Co Water-in-oil emulsion polymerization process for polymerizing watersoluble monomers
US3278506A (en) * 1961-08-21 1966-10-11 Nalco Chemical Co Water-soluble polymers and copolymers
US3397953A (en) * 1965-03-04 1968-08-20 Atlas Chem Ind Flocculating agent
US3390959A (en) * 1965-04-30 1968-07-02 Nalco Chemical Co Process of making alumina
BE694342A (de) * 1966-04-12 1967-08-21
FR1518054A (fr) * 1966-04-12 1968-03-22 Rohm & Haas Clarification des boues rouges
US3445187A (en) * 1966-05-25 1969-05-20 Nalco Chemical Co Process for separation of red mud from dissolved alumina
DE2009218C3 (de) * 1970-02-27 1980-07-17 Roehm Gmbh, 6100 Darmstadt Verfahren zur Perlpolymerisation von äthylenisch ungesättigten Monomeren
US3624019A (en) * 1970-12-15 1971-11-30 Nalco Chemical Co Process for rapidly dissolving water-soluble polymers

Also Published As

Publication number Publication date
AU443312B2 (en) 1973-12-20
ES407180A1 (es) 1976-02-01
DE2251261B2 (de) 1977-11-24
CA996285A (en) 1976-08-31
BR7207168D0 (pt) 1973-09-25
FR2167501A1 (de) 1973-08-24
JPS5215079B2 (de) 1977-04-26
DE2251261A1 (de) 1973-07-26
AU4712672A (en) 1973-12-20
GB1378981A (en) 1975-01-02
JPS4879797A (de) 1973-10-25
DE2251261C3 (de) 1985-01-03
FR2167501B1 (de) 1976-08-20

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