BRPI0512097A - processo para precipitar gibbsita de um licor bayer, e, aparelho para o mesmo - Google Patents
processo para precipitar gibbsita de um licor bayer, e, aparelho para o mesmoInfo
- Publication number
- BRPI0512097A BRPI0512097A BRPI0512097-7A BRPI0512097A BRPI0512097A BR PI0512097 A BRPI0512097 A BR PI0512097A BR PI0512097 A BRPI0512097 A BR PI0512097A BR PI0512097 A BRPI0512097 A BR PI0512097A
- Authority
- BR
- Brazil
- Prior art keywords
- liquor
- same
- bayer
- crystal
- gibbsite
- Prior art date
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
- C01F7/14—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
- C01F7/04—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
- C01F7/147—Apparatus for precipitation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Luminescent Compositions (AREA)
Abstract
PROCESSO PARA PRECIPITAR GIBBSITA DE UM LICOR BAYER, E, APARELHO PARA O MESMO Um licor Bayer é produzido por dissolução de bauxita em soda cáustica quente. O licor é resfriado de modo que ele fica supersaturado, e os cristais de semente de gbbsita são adicionados ao licor (16). Ao mesmo tempo, pelo menos parte do licor é submetida à irradiação ultrassónica (34) intensa de modo a causar cavitação, preferivelmente por passagem de licor e cristais de semente (28) através de um duto (30) de recirculação. O ultrassom aumenta a proporção de finos por ruptura de quaisquer aglomerados de cristal e também por geração de núcleos de cristal, e também remove a incrustação das superfícies do cristal. O processo de precipitação é conseqüentemente mais eficiente. Caso se aplique ultrassom, quando as medidas indicam que ocorrem finos insuficientes no licor, este fato melhora a consistência do processo de precipitação.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0413511.7A GB0413511D0 (en) | 2004-06-17 | 2004-06-17 | Precipitation of gibbsite from a bayer liquor |
PCT/GB2005/050092 WO2005123589A1 (en) | 2004-06-17 | 2005-06-17 | Precipitation of gibbsite from a bayer liquor |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0512097A true BRPI0512097A (pt) | 2008-02-06 |
Family
ID=32750045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0512097-7A BRPI0512097A (pt) | 2004-06-17 | 2005-06-17 | processo para precipitar gibbsita de um licor bayer, e, aparelho para o mesmo |
Country Status (12)
Country | Link |
---|---|
US (1) | US20090246104A1 (pt) |
EP (1) | EP1768929A1 (pt) |
JP (1) | JP2008502569A (pt) |
CN (1) | CN1968892A (pt) |
AP (1) | AP2007003878A0 (pt) |
AU (1) | AU2005254317A1 (pt) |
BR (1) | BRPI0512097A (pt) |
CA (1) | CA2570223A1 (pt) |
GB (1) | GB0413511D0 (pt) |
RU (1) | RU2007101529A (pt) |
WO (1) | WO2005123589A1 (pt) |
ZA (1) | ZA200610515B (pt) |
Families Citing this family (5)
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 |
CN106999796B (zh) * | 2014-10-24 | 2020-09-25 | 生命科技股份有限公司 | 以声学方式沉淀的液-液样品纯化系统 |
WO2017043588A1 (ja) * | 2015-09-08 | 2017-03-16 | 日本製紙株式会社 | 炭酸マグネシウム微粒子の製造方法 |
CN110436496A (zh) * | 2019-08-30 | 2019-11-12 | 贵州大学 | 一种利用工业铝酸钠溶液制备超细高纯氧化铝的方法 |
IT202000016093A1 (it) * | 2020-07-03 | 2022-01-03 | Giacomo Mencarini | Procedimento per il riciclo di materiali per uso alimentare a base di alluminio |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1067674A (en) * | 1962-10-25 | 1967-05-03 | British Aluminium Co Ltd | Improvements in or relating to the production of alumina trihydrate |
US4150952A (en) * | 1977-07-21 | 1979-04-24 | Ormet Corporation | Method of controlling the amount of seed material in the precipitation stage of the Bayer process |
EP0714852B1 (en) * | 1994-11-30 | 1999-08-18 | Billiton Intellectual Property B.V. | Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution |
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 |
US5976325A (en) * | 1997-12-12 | 1999-11-02 | Aluminum Company Of America | Laser precipitation of sodium aluminate solutions |
US6217622B1 (en) * | 1998-10-22 | 2001-04-17 | Alcan International Limited | Method and apparatus for precipitating and classifying solids in high concentrations |
GB9827360D0 (en) * | 1998-12-12 | 1999-02-03 | Aea Technology Plc | Process and apparatus for irradiating fluids |
DE60310923T2 (de) * | 2002-05-31 | 2007-07-05 | Accentus Plc | Herstellung von kristallmaterialien mittels hochleistungsultraschall |
-
2004
- 2004-06-17 GB GBGB0413511.7A patent/GB0413511D0/en not_active Ceased
-
2005
- 2005-06-17 AP AP2007003878A patent/AP2007003878A0/xx unknown
- 2005-06-17 CA CA002570223A patent/CA2570223A1/en not_active Abandoned
- 2005-06-17 EP EP05752506A patent/EP1768929A1/en not_active Withdrawn
- 2005-06-17 AU AU2005254317A patent/AU2005254317A1/en not_active Abandoned
- 2005-06-17 ZA ZA200610515A patent/ZA200610515B/en unknown
- 2005-06-17 BR BRPI0512097-7A patent/BRPI0512097A/pt not_active IP Right Cessation
- 2005-06-17 WO PCT/GB2005/050092 patent/WO2005123589A1/en active Application Filing
- 2005-06-17 US US11/629,894 patent/US20090246104A1/en not_active Abandoned
- 2005-06-17 JP JP2007516058A patent/JP2008502569A/ja not_active Abandoned
- 2005-06-17 RU RU2007101529/15A patent/RU2007101529A/ru not_active Application Discontinuation
- 2005-06-17 CN CNA2005800199300A patent/CN1968892A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2005123589A1 (en) | 2005-12-29 |
US20090246104A1 (en) | 2009-10-01 |
EP1768929A1 (en) | 2007-04-04 |
CA2570223A1 (en) | 2005-12-29 |
CN1968892A (zh) | 2007-05-23 |
AP2007003878A0 (en) | 2007-02-28 |
GB0413511D0 (en) | 2004-07-21 |
AU2005254317A1 (en) | 2005-12-29 |
JP2008502569A (ja) | 2008-01-31 |
ZA200610515B (en) | 2008-06-25 |
RU2007101529A (ru) | 2008-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25G | Requested change of headquarter approved |
Owner name: ACCENTUS PLC (GB) Free format text: ANOTADAS AS ALTERACOES DE SEDE SOLICITADAS ATRAVES DA PETICAO NO 020070184946/RJ DE 28/12/2007. |
|
B25A | Requested transfer of rights approved |
Owner name: PROSONIX LIMITED (GB) Free format text: TRANSFERIDO DE: ACCENTUS PLC |
|
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. |