BR8601514A - Processo para diminuir os constituintes organicos em lixivias contendo aluminato - Google Patents

Processo para diminuir os constituintes organicos em lixivias contendo aluminato

Info

Publication number
BR8601514A
BR8601514A BR8601514A BR8601514A BR8601514A BR 8601514 A BR8601514 A BR 8601514A BR 8601514 A BR8601514 A BR 8601514A BR 8601514 A BR8601514 A BR 8601514A BR 8601514 A BR8601514 A BR 8601514A
Authority
BR
Brazil
Prior art keywords
metallic ions
organic constituents
reduce organic
containing blends
aluminate containing
Prior art date
Application number
BR8601514A
Other languages
English (en)
Portuguese (pt)
Inventor
Neil Brown
Gerhard Kudermann
Manfred Fuchs
Original Assignee
Vaw Ver Aluminium Werke Ag
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 Vaw Ver Aluminium Werke Ag filed Critical Vaw Ver Aluminium Werke Ag
Publication of BR8601514A publication Critical patent/BR8601514A/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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
    • C01F7/473—Removal of organic compounds, e.g. sodium oxalate
    • C01F7/476—Removal of organic compounds, e.g. sodium oxalate by oxidation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Compositions Of Oxide Ceramics (AREA)
BR8601514A 1985-04-04 1986-04-03 Processo para diminuir os constituintes organicos em lixivias contendo aluminato BR8601514A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853512404 DE3512404A1 (de) 1985-04-04 1985-04-04 Verfahren zur verminderung der organischen bestandteile in aluminatlaugen

Publications (1)

Publication Number Publication Date
BR8601514A true BR8601514A (pt) 1986-12-09

Family

ID=6267344

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8601514A BR8601514A (pt) 1985-04-04 1986-04-03 Processo para diminuir os constituintes organicos em lixivias contendo aluminato

Country Status (7)

Country Link
US (2) US4668486A (en:Method)
EP (1) EP0197269B1 (en:Method)
JP (1) JPS61295229A (en:Method)
AT (1) ATE64356T1 (en:Method)
AU (1) AU575004B2 (en:Method)
BR (1) BR8601514A (en:Method)
DE (2) DE3512404A1 (en:Method)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512404A1 (de) * 1985-04-04 1986-10-09 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur verminderung der organischen bestandteile in aluminatlaugen
US4994253A (en) * 1985-04-04 1991-02-19 Vereinigte Aluminium-Werke Ag Process for the production of large boehmite particles
US5149520A (en) * 1987-12-23 1992-09-22 Aluminum Company Of America Small sized alpha alumina particles and platelets
US4999170A (en) * 1988-06-03 1991-03-12 Vereinigte Aluminum-Werke Aktiendesellschaft Method for removing sodium oxalate from caustic aluminate liquors
EP0366825A1 (de) * 1988-11-04 1990-05-09 Vereinigte Aluminium-Werke Aktiengesellschaft Verfahren zur Herstellung von feinem Tabular-Böhmit
EP0366824A1 (de) * 1988-11-04 1990-05-09 Vereinigte Aluminium-Werke Aktiengesellschaft Verfahren zur Gewinnung von flitterartigen Böhmitaggregaten
US5127950A (en) * 1989-09-14 1992-07-07 Lonza Ltd. Short-prismatic aluminum hydroxide, process for preparing same from supersaturated sodium aluminate-liquor, and compositions containing same
JP2887023B2 (ja) * 1992-03-30 1999-04-26 ワイケイケイ株式会社 微細板状ベーマイト粒子及びその製造方法
US5342485A (en) * 1992-08-05 1994-08-30 Reynolds Metals Company Process for preparing ultra-white alumina trihydrate
JP2883299B2 (ja) * 1994-09-16 1999-04-19 キヤノン株式会社 被記録媒体、その製造方法、被記録媒体を用いたインクジェット記録方法
AUPP536598A0 (en) 1998-08-20 1998-09-10 Worsley Alumina Pty Ltd Organic impurity removal process for bayer liquors
US6180804B1 (en) 1998-09-10 2001-01-30 Fmc Corporation Reversion of expoxide in the production of Hydrogen peroxide
DE10009369A1 (de) * 2000-02-29 2001-08-30 Vaw Ver Aluminium Werke Ag Aluminiumhydroxidgel
CN1108276C (zh) * 2000-03-30 2003-05-14 中国科学院上海硅酸盐研究所 一种－水软铝石超细纳米粉体的制备方法
US6508999B1 (en) * 2000-11-21 2003-01-21 Shell Oil Company Aluminum trihydroxide phase
US7582277B2 (en) 2002-04-19 2009-09-01 Saint-Gobain Ceramics & Plastics, Inc. Seeded boehmite particulate material and methods for forming same
US20050227000A1 (en) * 2004-04-13 2005-10-13 Saint-Gobain Ceramics & Plastics, Inc. Surface coating solution
AU2003228571B2 (en) * 2002-04-19 2006-09-14 Saint-Gobain Ceramics & Plastics, Inc. Novel boehmite particles and polymer materials incorporating same
US20050124745A1 (en) * 2002-04-19 2005-06-09 Saint-Gobain Ceramics & Plastics, Inc. Flame retardant composites
US20040265219A1 (en) * 2002-04-19 2004-12-30 Saint-Gobain Ceramics & Plastics, Inc. Seeded boehmite particulate material and methods for forming same
US7214290B2 (en) * 2002-09-04 2007-05-08 Shaw Liquid Solutions Llc. Treatment of spent caustic refinery effluents
US7067106B2 (en) * 2003-06-30 2006-06-27 Nalco Company Aluminum hydroxide, made via the bayer process, with low organic carbon
AU2005266853B2 (en) * 2004-07-30 2010-09-02 Alcoa Of Australia Limited Method of catalytic wet oxidation of organic contaminants of alkaline solutions
WO2006010218A1 (en) * 2004-07-30 2006-02-02 Alcoa Of Australia Limited Method of catalytic wet oxidation of organic contaminants of alkaline solutions
US20060104895A1 (en) * 2004-11-18 2006-05-18 Saint-Gobain Ceramics & Plastics, Inc. Transitional alumina particulate materials having controlled morphology and processing for forming same
CA2588382A1 (en) * 2004-12-01 2006-06-08 Saint-Gobain Ceramics & Plastics, Inc. Rubber formulation and methods for manufacturing same
GB0428260D0 (en) * 2004-12-23 2005-01-26 Eastman Kodak Co Dispersant for reducing viscosity
US7479324B2 (en) * 2005-11-08 2009-01-20 Saint-Gobain Ceramics & Plastics, Inc. Pigments comprising alumina hydrate and a dye, and polymer composites formed thereof
US20070287004A1 (en) * 2006-05-25 2007-12-13 Gottzmann Andreas M Laminate and Method of Manufacture
WO2009052395A1 (en) * 2007-10-19 2009-04-23 Saint-Gobain Ceramics & Plastics, Inc. Applications of shaped nano alumina hydrate as barrier property enhancer in polymers
WO2009085870A2 (en) 2007-12-19 2009-07-09 Saint-Gobain Ceramics & Plastics, Inc. Aggregates of alumina hydrates
US8460768B2 (en) * 2008-12-17 2013-06-11 Saint-Gobain Ceramics & Plastics, Inc. Applications of shaped nano alumina hydrate in inkjet paper
CN110203954A (zh) * 2019-03-20 2019-09-06 昆明冶金研究院 一种氧化法脱除氧化铝母液有机物的方法
CN110436494A (zh) * 2019-08-30 2019-11-12 贵州大学 一种氧化铝生产用循环母液双氧水改性方法
WO2022174005A1 (en) 2021-02-12 2022-08-18 Ecolab Usa Inc. Purification of bauxite ores using boronic acid-functional compounds
CN115636492B (zh) * 2022-11-04 2025-03-18 西安交通大学 一种用于协同去除废水中高浓氟离子及难降解有机质的核晶造粒-高级氧化耦合工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943786A (en) * 1930-10-10 1934-01-16 Electrie Smelting & Alnminum C Process of separating alumina from alkali metal aluminate solutions
DE1178049B (de) * 1960-05-20 1964-09-17 Alusuisse Verfahren zur Herstellung eines kristallisierten Tonerdehydrats
DE2518431C3 (de) * 1975-04-25 1982-02-04 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfarhen zur Entfernung der schädlichen organischen Verbindungen aus der bei der Tonerdegewinnung nach dem Bayer-Verfarhen anfallenden Aluminatlauge
US4115264A (en) * 1975-04-28 1978-09-19 Phillips Petroleum Company Method of purifying polluted water
FR2328660A1 (fr) * 1975-10-21 1977-05-20 Pechiney Aluminium Perfectionnement a l'epuration de solutions en circulation dans le cycle bayer
JPS54110199A (en) * 1978-02-17 1979-08-29 Sumitomo Aluminium Smelting Co Method of removing organics from circulating aluminic acid alkali solution
JPS5846450B2 (ja) * 1978-07-11 1983-10-17 昭和軽金属株式会社 バイヤ−循環液の処理方法
US4263261A (en) * 1978-12-21 1981-04-21 Sumitomo Aluminium Smelting Company, Limited Method for the removal of impurities from sodium aluminate solution
FR2520722A1 (fr) * 1982-01-29 1983-08-05 Rhone Poulenc Spec Chim Boehmites et pseudo-
DE3512404A1 (de) * 1985-04-04 1986-10-09 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur verminderung der organischen bestandteile in aluminatlaugen
US4581208A (en) * 1985-06-26 1986-04-08 Aluminum Company Of America Lowering organic contaminant content in a sodium aluminate solution by oxidation in a packed bed
US4663133A (en) * 1985-09-06 1987-05-05 Kaiser Aluminum & Chemical Corporation Removal of high molecular weight organic compounds from Bayer process caustic liquor

Also Published As

Publication number Publication date
EP0197269A3 (en) 1988-05-18
EP0197269A2 (de) 1986-10-15
JPH0575696B2 (en:Method) 1993-10-21
JPS61295229A (ja) 1986-12-26
DE3679696D1 (de) 1991-07-18
US4946666A (en) 1990-08-07
US4668486A (en) 1987-05-26
EP0197269B1 (de) 1991-06-12
ATE64356T1 (de) 1991-06-15
AU5562086A (en) 1986-10-09
AU575004B2 (en) 1988-07-14
DE3512404A1 (de) 1986-10-09

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Legal Events

Date Code Title Description
RH Request refused
THX Correction
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/04/2001