BR112015022091B1 - Método para aumento do tamanho de partícula de cristais de hidróxido de alumínio precipitados de um licor do processo bayer - Google Patents
Método para aumento do tamanho de partícula de cristais de hidróxido de alumínio precipitados de um licor do processo bayer Download PDFInfo
- Publication number
- BR112015022091B1 BR112015022091B1 BR112015022091-6A BR112015022091A BR112015022091B1 BR 112015022091 B1 BR112015022091 B1 BR 112015022091B1 BR 112015022091 A BR112015022091 A BR 112015022091A BR 112015022091 B1 BR112015022091 B1 BR 112015022091B1
- Authority
- BR
- Brazil
- Prior art keywords
- occurrence
- alkyl
- formed under
- formaldehyde resin
- resin formed
- 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
- C01F7/145—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 characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/829,950 | 2013-03-14 | ||
| US13/829,950 US8920768B2 (en) | 2013-03-14 | 2013-03-14 | Crystallization aids for bayer aluminum hydroxide |
| PCT/US2014/016095 WO2014158404A1 (en) | 2013-03-14 | 2014-02-12 | Crystallization aids for bayer aluminum hydroxide |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BR112015022091A2 BR112015022091A2 (pt) | 2017-07-18 |
| BR112015022091A8 BR112015022091A8 (pt) | 2021-06-01 |
| BR112015022091B1 true BR112015022091B1 (pt) | 2021-08-24 |
Family
ID=51527841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015022091-6A BR112015022091B1 (pt) | 2013-03-14 | 2014-02-12 | Método para aumento do tamanho de partícula de cristais de hidróxido de alumínio precipitados de um licor do processo bayer |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8920768B2 (https=) |
| JP (1) | JP6266083B2 (https=) |
| CN (1) | CN105050956B (https=) |
| AU (2) | AU2014242260B2 (https=) |
| BR (1) | BR112015022091B1 (https=) |
| CA (1) | CA2904566C (https=) |
| WO (1) | WO2014158404A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9592456B2 (en) * | 2015-02-11 | 2017-03-14 | Ecolab Usa Inc. | Methods for enhancing production of aluminum hydroxide in an aluminum hydroxide production process |
| CN109292804A (zh) * | 2018-12-03 | 2019-02-01 | 广西华银铝业有限公司 | 一种氧化铝生产中草酸盐的去除方法 |
| CN109761253B (zh) * | 2019-03-27 | 2022-06-24 | 湖南绿脉环保科技股份有限公司 | 一种氧化铝生产用分解结晶助剂 |
| CN111017969A (zh) * | 2019-12-20 | 2020-04-17 | 湖南诺兰蒂尔环保科技有限公司 | 一种铝酸钠晶种分解的结晶助剂及氢氧化铝的制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456098A (en) * | 1977-10-12 | 1979-05-04 | Nippon Light Metal Co | Method of producing crude aluminum hydrate particles |
| GB2066828A (en) * | 1980-01-02 | 1981-07-15 | Cooper & Co Ltd Edwin | Lubrication composition |
| US4737352A (en) | 1987-04-09 | 1988-04-12 | Nalco Chemical Company | Use of surfactants in alumina precipitation in the bayer process |
| US5106599A (en) | 1990-02-06 | 1992-04-21 | Nalco Chemical Company | Alumina crystal growth additive |
| DE4039053A1 (de) | 1990-12-07 | 1992-06-11 | Henkel Kgaa | Polyglycerine im bayer-prozess |
| DE4231874A1 (de) * | 1992-09-23 | 1994-03-24 | Martinswerk Gmbh | Verfahren zur Herstellung eines Aluminiumhydroxids Al(OH)¶3¶ mit abgerundeter Kornoberfläche |
| ATE149971T1 (de) | 1992-12-14 | 1997-03-15 | Nalco Chemical Co | Änderung der trihydrat-kristalle im bayer- verfahren |
| US6527959B1 (en) * | 2001-01-29 | 2003-03-04 | Ondeo Nalco Company | Method of clarifying bayer process liquors using salicylic acid containing polymers |
| CN1603234A (zh) * | 2003-09-29 | 2005-04-06 | 包头市科技开发研究院 | 用富钾板岩提取碳酸钾、氢氧化铝并制备硅肥的配方及工艺 |
| CN1292050C (zh) * | 2004-06-29 | 2006-12-27 | 中国石油化工股份有限公司 | 从全馏分石脑油中分离正构烷烃的方法 |
| US7976820B2 (en) * | 2005-06-23 | 2011-07-12 | Nalco Company | Composition and method for improved aluminum hydroxide production |
| US7955589B2 (en) | 2005-06-23 | 2011-06-07 | Nalco Company | Composition and method for improved aluminum hydroxide production |
| CN102107127B (zh) | 2011-01-11 | 2015-04-22 | 西安蓝晓科技新材料股份有限公司 | 一种粉体造粒技术 |
-
2013
- 2013-03-14 US US13/829,950 patent/US8920768B2/en active Active
-
2014
- 2014-02-12 BR BR112015022091-6A patent/BR112015022091B1/pt active IP Right Grant
- 2014-02-12 CN CN201480014137.0A patent/CN105050956B/zh active Active
- 2014-02-12 WO PCT/US2014/016095 patent/WO2014158404A1/en not_active Ceased
- 2014-02-12 CA CA2904566A patent/CA2904566C/en active Active
- 2014-02-12 JP JP2016500248A patent/JP6266083B2/ja active Active
- 2014-02-12 AU AU2014242260A patent/AU2014242260B2/en active Active
-
2017
- 2017-10-09 AU AU2017245270A patent/AU2017245270B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2904566A1 (en) | 2014-10-02 |
| CN105050956B (zh) | 2017-11-14 |
| BR112015022091A2 (pt) | 2017-07-18 |
| WO2014158404A1 (en) | 2014-10-02 |
| AU2014242260A1 (en) | 2015-11-05 |
| US8920768B2 (en) | 2014-12-30 |
| BR112015022091A8 (pt) | 2021-06-01 |
| AU2014242260B2 (en) | 2017-07-20 |
| CA2904566C (en) | 2021-04-13 |
| US20140271417A1 (en) | 2014-09-18 |
| AU2017245270A1 (en) | 2017-11-02 |
| JP6266083B2 (ja) | 2018-01-24 |
| CN105050956A (zh) | 2015-11-11 |
| AU2017245270B2 (en) | 2018-10-04 |
| JP2016515992A (ja) | 2016-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/02/2014, OBSERVADAS AS CONDICOES LEGAIS. |