BR7207168D0 - Processo para tratar suspensoes aquosas - Google Patents

Processo para tratar suspensoes aquosas

Info

Publication number
BR7207168D0
BR7207168D0 BR7168/72A BR716872A BR7207168D0 BR 7207168 D0 BR7207168 D0 BR 7207168D0 BR 7168/72 A BR7168/72 A BR 7168/72A BR 716872 A BR716872 A BR 716872A BR 7207168 D0 BR7207168 D0 BR 7207168D0
Authority
BR
Brazil
Prior art keywords
treating water
water suspensions
suspensions
treating
water
Prior art date
Application number
BR7168/72A
Other languages
English (en)
Portuguese (pt)
Inventor
E Palmer
Intyre G Mc
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 BR7207168D0 publication Critical patent/BR7207168D0/pt

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)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
BR7168/72A 1972-01-13 1972-10-13 Processo para tratar suspensoes aquosas BR7207168D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7207168D0 true BR7207168D0 (pt) 1973-09-25

Family

ID=22811687

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7168/72A BR7207168D0 (pt) 1972-01-13 1972-10-13 Processo para tratar suspensoes aquosas

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
DE2251261B2 (de) 1977-11-24
ES407180A1 (es) 1976-02-01
CA996285A (en) 1976-08-31
AU4712672A (en) 1973-12-20
DE2251261C3 (de) 1985-01-03
AU443312B2 (en) 1973-12-20
DE2251261A1 (de) 1973-07-26
FR2167501B1 (de) 1976-08-20
IT966361B (it) 1974-02-11
JPS4879797A (de) 1973-10-25
FR2167501A1 (de) 1973-08-24
JPS5215079B2 (de) 1977-04-26
GB1378981A (en) 1975-01-02

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