BRPI0415751A - destruição de compostos orgánicos em correntes do processo bayer - Google Patents

destruição de compostos orgánicos em correntes do processo bayer

Info

Publication number
BRPI0415751A
BRPI0415751A BRPI0415751-6A BRPI0415751A BRPI0415751A BR PI0415751 A BRPI0415751 A BR PI0415751A BR PI0415751 A BRPI0415751 A BR PI0415751A BR PI0415751 A BRPI0415751 A BR PI0415751A
Authority
BR
Brazil
Prior art keywords
destruction
organic compounds
bayer process
bayer
process streams
Prior art date
Application number
BRPI0415751-6A
Other languages
English (en)
Inventor
Raymond Walter Shaw
Original Assignee
Comalco Alu
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
Priority claimed from AU2003905823A external-priority patent/AU2003905823A0/en
Application filed by Comalco Alu filed Critical Comalco Alu
Publication of BRPI0415751A publication Critical patent/BRPI0415751A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • 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
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00004—Scale aspects
    • B01J2219/00006—Large-scale industrial plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0881—Two or more materials
    • B01J2219/089—Liquid-solid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Physical Water Treatments (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

"DESTRUIçãO DE COMPOSTOS ORGáNICOS EM CORRENTES DO PROCESSO BAYER". A presente invenção divulga um processo Bayer. O processo Bayer inclui uma etapa de tratamento de um ou mais dos itens: (a) licor ou licores Bayer produzidos no processo; (b) partículas de triidrato de alumina precipitado produzidas no processo; e (c) outros sólidos adicionados ou produzidos no processo; com energia ultrasónica e destruição dos orgânicos no licor ou licores, nas partículas de triidrato de alumínio precipitado e nos outros sólidos.
BRPI0415751-6A 2003-10-22 2004-10-22 destruição de compostos orgánicos em correntes do processo bayer BRPI0415751A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2003905823A AU2003905823A0 (en) 2003-10-22 Destroying organics in Bayer liquor streams
PCT/AU2004/001458 WO2005040042A1 (en) 2003-10-22 2004-10-22 Destruction of organics in bayer process streams

Publications (1)

Publication Number Publication Date
BRPI0415751A true BRPI0415751A (pt) 2006-12-19

Family

ID=34468624

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0415751-6A BRPI0415751A (pt) 2003-10-22 2004-10-22 destruição de compostos orgánicos em correntes do processo bayer

Country Status (5)

Country Link
US (1) US7820121B2 (pt)
EP (1) EP1687242A1 (pt)
BR (1) BRPI0415751A (pt)
CA (1) CA2542516C (pt)
WO (1) WO2005040042A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008144838A1 (en) * 2007-05-31 2008-12-04 Commonwealth Scientific And Industrial Research Organisation Method for treating residue from a bayer process
AU2022403605A1 (en) * 2022-02-15 2023-09-21 Obshchestvo S Ogranichennoy Otvetstvennost'yu "Obedinennaya Kompaniya Rusal Inzhenerno- Tekhnologicheskiy Tsentr Method of processing bauxites to produce alumina
CN114655972B (zh) * 2022-04-27 2023-10-27 云南省生态环境科学研究院 拜耳法氧化铝溶液有机物高效脱除的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU430060A1 (ru) * 1971-09-08 1974-05-30 Н. Н. Хавский, А. И. Лайнер, И. Певзнер, Ю. Р. Смирнов, Способ обескремнивания алюминатнб1храстворов
US4062696A (en) * 1976-07-27 1977-12-13 Kaiser Aluminum & Chemical Corporation Purification of contaminated alumina scavengers of aluminum reduction cell effluent dry scrubber systems
FI79471C (fi) 1987-12-02 1990-01-10 Kari Uljas Laiho Foerfarande och anordning foer rengoering av ett filter avsett foer filtrering av vaetskeformiga substanser.
CN1026887C (zh) 1991-11-07 1994-12-07 中南工业大学 直接法制取高纯锑白
EP0670813B1 (fr) * 1993-09-29 2003-03-12 Rhodia Chimie Silice precipitee
BR9701866A (pt) * 1997-04-22 1999-01-12 Lopes Gomes Guilherme Santana Processo de melhoria de produção de alumina através da aplicação de bombardeamento ultra-sônico em etapas da produção
FR2771081B1 (fr) * 1997-11-17 1999-12-17 Pechiney Aluminium Production de trihydrate d'alumine avec controle separe de la teneur en sodium et de la granulometrie

Also Published As

Publication number Publication date
CA2542516C (en) 2012-09-04
US7820121B2 (en) 2010-10-26
CA2542516A1 (en) 2005-05-06
US20080069747A1 (en) 2008-03-20
WO2005040042A1 (en) 2005-05-06
EP1687242A1 (en) 2006-08-09

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

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 2260 DE 29/04/2014.