BRPI0509398A - uso de copolìmeros solúveis em água - Google Patents

uso de copolìmeros solúveis em água

Info

Publication number
BRPI0509398A
BRPI0509398A BRPI0509398-8A BRPI0509398A BRPI0509398A BR PI0509398 A BRPI0509398 A BR PI0509398A BR PI0509398 A BRPI0509398 A BR PI0509398A BR PI0509398 A BRPI0509398 A BR PI0509398A
Authority
BR
Brazil
Prior art keywords
soluble copolymers
water soluble
water
bayer
inorganic
Prior art date
Application number
BRPI0509398-8A
Other languages
English (en)
Inventor
Christian Flocken
Detlef Kuboth
Rainer Poeschmann
Original Assignee
Ashland Licensing & Intellectu
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 Ashland Licensing & Intellectu filed Critical Ashland Licensing & Intellectu
Publication of BRPI0509398A publication Critical patent/BRPI0509398A/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
    • C01F7/066—Treatment of the separated residue
    • 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
    • C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/005—Scale prevention in a polymerisation reactor or its auxiliary parts by addition of a scale inhibitor to the polymerisation medium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Polymerisation Methods In General (AREA)
  • Detergent Compositions (AREA)

Abstract

USO DE COPOLìMEROS SOLúVEIS EM áGUA A invenção se refere ao uso de copolímeros solúveis em água, formados a partir de monómeros monoetilenicamente insaturados, compreendendo os grupos ácidos (a) e pelo menos um componente hidrófobo contendo dupla ligação insaturada (b) nos licores do processo Bayer, como meio para a redução de precipitados e formações de depósitos decorrentes de impurezas inorgânicas e orgârnicas.
BRPI0509398-8A 2004-04-02 2005-02-28 uso de copolìmeros solúveis em água BRPI0509398A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017034A DE102004017034A1 (de) 2004-04-02 2004-04-02 Verwendung von Copolymerisaten zur Verringerung von Ausfällungen und Belägen durch anorganische und organische Verunreinigungen im Bayer Prozess zur Gewinnung von Aluminiumhydroxid
PCT/EP2005/002093 WO2005095477A2 (de) 2004-04-02 2005-02-28 Verwendung von copolymerisaten zur verringerung von ausfällungen und belägen durch anorganische und organische verunreinigungen im bayer prozess zur gewinnung von aluminiumhydroxid

Publications (1)

Publication Number Publication Date
BRPI0509398A true BRPI0509398A (pt) 2007-09-18

Family

ID=34970414

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0509398-8A BRPI0509398A (pt) 2004-04-02 2005-02-28 uso de copolìmeros solúveis em água

Country Status (9)

Country Link
US (1) US20090008335A1 (pt)
EP (1) EP1735356A2 (pt)
CN (1) CN1953999A (pt)
AU (1) AU2005229337A1 (pt)
BR (1) BRPI0509398A (pt)
CA (1) CA2561407A1 (pt)
DE (1) DE102004017034A1 (pt)
RU (1) RU2365595C2 (pt)
WO (1) WO2005095477A2 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8029752B2 (en) * 2009-04-06 2011-10-04 Nalco Company Approach in controlling DSP scale in bayer process
US8282834B2 (en) 2009-09-25 2012-10-09 Nalco Company Di- and mono-alkoxysilane functionalized polymers and their application in the Bayer process
US9487408B2 (en) 2009-09-25 2016-11-08 Nalco Company Reducing aluminosilicate scale in the bayer process
US8545776B2 (en) * 2009-09-25 2013-10-01 Nalco Company Reducing aluminosilicate scale in the Bayer process
US9416020B2 (en) 2009-09-25 2016-08-16 Nalco Company Surfactant based small molecules for reducing aluminosilicate scale in the bayer process
CN103803722B (zh) * 2012-11-15 2015-07-22 中国石油化工股份有限公司 一种无磷共聚物阻垢分散剂及其制备方法
RU2679251C2 (ru) 2013-12-24 2019-02-06 Сайтек Индастриз Инк. Способ уменьшения количества твердых отложений в способе байера
US10190003B2 (en) 2014-10-21 2019-01-29 Cytec Industries Inc. Degradation-resistant scale inhibitors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5415782A (en) * 1993-11-22 1995-05-16 Nalco Chemical Company Method for the alteration of siliceous materials from bayer process liquors
US5733459A (en) * 1996-04-29 1998-03-31 Cytec Technology Corp. Use of hydroxamated polymers to alter bayer process scale
US5670055A (en) * 1996-08-08 1997-09-23 Nalco Chemical Company Use of the linear alkylbenzene sulfonate as a biofouling control agent
US6086771A (en) * 1997-12-12 2000-07-11 Nalco Chemical Company Water continuous emulsion polymers for improving scale control in the bayer process
FR2781488B1 (fr) * 1998-07-07 2001-04-13 Snf Sa Nouveaux polymeres acryliques en dispersions essentiellement aqueuses, leur procede de preparation et leurs applications
US6372882B1 (en) * 2000-04-03 2002-04-16 Nalco Chemical Company Method for producing substantially dry water-insoluble polymers for improved flocculation in the bayer process
FR2812295B1 (fr) * 2000-07-27 2003-01-31 Snf Sa Polymeres cationiques de haut poids moleculaire, procede pour leur preparation, et leurs applications
US6527959B1 (en) * 2001-01-29 2003-03-04 Ondeo Nalco Company Method of clarifying bayer process liquors using salicylic acid containing polymers
US7138472B2 (en) * 2001-01-29 2006-11-21 Nalco Company High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors
DE10228628A1 (de) * 2002-06-26 2004-01-22 Stockhausen Gmbh & Co. Kg Copolymerisate zur Vermeidung von Ablagerungen in wasserführenden Systemen, deren Herstellung und Verwendung
US6814873B2 (en) * 2002-07-22 2004-11-09 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a bayer process

Also Published As

Publication number Publication date
US20090008335A1 (en) 2009-01-08
CA2561407A1 (en) 2005-10-13
WO2005095477A2 (de) 2005-10-13
CN1953999A (zh) 2007-04-25
RU2365595C2 (ru) 2009-08-27
RU2006138500A (ru) 2008-05-10
EP1735356A2 (de) 2006-12-27
AU2005229337A1 (en) 2005-10-13
DE102004017034A1 (de) 2005-10-20
WO2005095477A3 (de) 2006-02-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.