ATE312835T1 - Verfahren zur verhinderung bzw. verminderung von aluminosilicatablagerungen in einem bayer- verfahren - Google Patents

Verfahren zur verhinderung bzw. verminderung von aluminosilicatablagerungen in einem bayer- verfahren

Info

Publication number
ATE312835T1
ATE312835T1 AT03765453T AT03765453T ATE312835T1 AT E312835 T1 ATE312835 T1 AT E312835T1 AT 03765453 T AT03765453 T AT 03765453T AT 03765453 T AT03765453 T AT 03765453T AT E312835 T1 ATE312835 T1 AT E312835T1
Authority
AT
Austria
Prior art keywords
materials
aluminosilicate
preventing
reduction
bayer process
Prior art date
Application number
AT03765453T
Other languages
English (en)
Inventor
Donald P Spitzer
Alan S Rothenberg
Howard I Heitner
Frank Kula
Original Assignee
Cytec Tech 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 Cytec Tech Corp filed Critical Cytec Tech Corp
Application granted granted Critical
Publication of ATE312835T1 publication Critical patent/ATE312835T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • 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
    • 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
    • C01F7/062—Digestion
    • C01F7/0633—Digestion characterised by the use of additives
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/02—Polyamines
    • C08G73/0206—Polyalkylene(poly)amines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/02—Polyamines
    • C08G73/0206—Polyalkylene(poly)amines
    • C08G73/0213—Preparatory process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Detergent Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Paints Or Removers (AREA)
AT03765453T 2002-07-22 2003-06-20 Verfahren zur verhinderung bzw. verminderung von aluminosilicatablagerungen in einem bayer- verfahren ATE312835T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/201,209 US6814873B2 (en) 2002-07-22 2002-07-22 Method of preventing or reducing aluminosilicate scale in a bayer process
PCT/US2003/019388 WO2004009606A1 (en) 2002-07-22 2003-06-20 Method of preventing or reducing aluminosilicate scale in a bayer process

Publications (1)

Publication Number Publication Date
ATE312835T1 true ATE312835T1 (de) 2005-12-15

Family

ID=30443606

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03765453T ATE312835T1 (de) 2002-07-22 2003-06-20 Verfahren zur verhinderung bzw. verminderung von aluminosilicatablagerungen in einem bayer- verfahren

Country Status (14)

Country Link
US (3) US6814873B2 (de)
EP (3) EP2168995B1 (de)
JP (1) JP4317520B2 (de)
CN (3) CN101875705B (de)
AT (1) ATE312835T1 (de)
AU (1) AU2003251572B2 (de)
BR (1) BRPI0312809B1 (de)
CA (1) CA2493521C (de)
DE (1) DE60302798T2 (de)
ES (1) ES2250915T3 (de)
OA (1) OA12887A (de)
RU (1) RU2311494C2 (de)
UA (1) UA78832C2 (de)
WO (1) WO2004009606A1 (de)

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US7390415B2 (en) * 2002-07-22 2008-06-24 Cytec Technology Corp. Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes
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AU2014201868B2 (en) * 2005-02-09 2014-12-04 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in industrial processes
CA2815552C (en) * 2005-02-09 2014-12-09 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in industrial processes
RU2420540C2 (ru) * 2005-02-09 2011-06-10 Сайтек Текнолоджи Корп. Способ предотвращения и уменьшения алюмосиликатных отложений в промышленных процессах
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AU2011216040B2 (en) * 2010-02-12 2014-06-26 Cytec Technology Corp. Flocculant compositions containing silicon-containing polymers
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US9102995B2 (en) 2010-08-09 2015-08-11 Nalco Company Cross-linked ethylsulfonated dihydroxypropyl cellulose
US8298508B2 (en) 2010-08-09 2012-10-30 Nalco Company Recovery of alumina trihydrate during the bayer process using cross-linked polysaccharides
AU2013222328B2 (en) * 2012-02-23 2017-11-09 Nalco Company Reducing aluminosilicate scale in the Bayer process
TWI634083B (zh) * 2012-03-30 2018-09-01 羅門哈斯公司 矽石垢之協同性控制
WO2014137528A1 (en) * 2013-03-08 2014-09-12 Nalco Company Reducing aluminosilicate scale in the bayer process feed strategy for dsp inhibitor
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Also Published As

Publication number Publication date
US7442755B2 (en) 2008-10-28
CA2493521A1 (en) 2004-01-29
JP2006514877A (ja) 2006-05-18
EP2168995B1 (de) 2014-09-17
AU2003251572B2 (en) 2008-01-24
CN1671718B (zh) 2010-05-05
EP2168995A1 (de) 2010-03-31
CN1671718A (zh) 2005-09-21
UA78832C2 (en) 2007-04-25
EP1630182A3 (de) 2007-10-17
RU2005104828A (ru) 2005-07-20
EP1630182A2 (de) 2006-03-01
EP1523487A1 (de) 2005-04-20
RU2311494C2 (ru) 2007-11-27
JP4317520B2 (ja) 2009-08-19
WO2004009606A1 (en) 2004-01-29
CN101875705A (zh) 2010-11-03
AU2003251572A1 (en) 2004-02-09
CN101318970A (zh) 2008-12-10
DE60302798T2 (de) 2006-07-20
CA2493521C (en) 2012-01-10
US6814873B2 (en) 2004-11-09
CN101318970B (zh) 2010-12-15
ES2250915T3 (es) 2006-04-16
CN101875705B (zh) 2012-05-09
DE60302798D1 (de) 2006-01-19
OA12887A (en) 2006-09-15
US20090018295A1 (en) 2009-01-15
BR0312809A (pt) 2005-05-10
US20050010008A2 (en) 2005-01-13
US20040011744A1 (en) 2004-01-22
EP1523487B1 (de) 2005-12-14
US20040162406A1 (en) 2004-08-19
BRPI0312809B1 (pt) 2016-06-07

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