BR0009920B1 - processo para causticação de soluções alcalinas. - Google Patents
processo para causticação de soluções alcalinas.Info
- Publication number
- BR0009920B1 BR0009920B1 BRPI0009920-1A BR0009920A BR0009920B1 BR 0009920 B1 BR0009920 B1 BR 0009920B1 BR 0009920 A BR0009920 A BR 0009920A BR 0009920 B1 BR0009920 B1 BR 0009920B1
- Authority
- BR
- Brazil
- Prior art keywords
- caustics
- alkaline solution
- alkaline
- solution
- solution caustics
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
-
- 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
- C01F7/0646—Separation of the insoluble residue, e.g. of red mud
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPP9982A AUPP998299A0 (en) | 1999-04-23 | 1999-04-23 | Method for causticisation of alkaline solutions |
PCT/AU2000/000346 WO2000064812A1 (en) | 1999-04-23 | 2000-04-20 | Method for causticisation of alkaline solutions |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0009920A BR0009920A (pt) | 2002-05-28 |
BR0009920B1 true BR0009920B1 (pt) | 2011-05-17 |
Family
ID=3814183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0009920-1A BR0009920B1 (pt) | 1999-04-23 | 2000-04-20 | processo para causticação de soluções alcalinas. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1194376A4 (de) |
AU (1) | AUPP998299A0 (de) |
BR (1) | BR0009920B1 (de) |
CA (1) | CA2370956C (de) |
WO (1) | WO2000064812A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPQ889100A0 (en) | 2000-07-20 | 2000-08-10 | Worsley Alumina Pty Ltd | Improved process for filter aid production in alumina refineries |
EP2308856A1 (de) | 2009-10-09 | 2011-04-13 | Borealis Agrolinz Melamine GmbH | Wasserrecycling in einem Melaminherstellungsprozess |
WO2013131118A1 (en) * | 2012-03-07 | 2013-09-12 | Bhp Billiton Worsley Alumina Pty Ltd | High temperature processs for causticisation of a bayer liquor |
AU2012203292C8 (en) * | 2012-03-07 | 2013-12-19 | South32 Worsley Alumina Pty Ltd | High temperature processs for causticisation of a bayer liquor |
EA202092886A1 (ru) * | 2018-05-28 | 2021-02-20 | Алкоа Оф Острэйлиа Лимитед | Способ управления концентрацией примесей |
BR112020023601A2 (pt) * | 2018-05-28 | 2021-02-09 | Alcoa Of Australia Limited | método para controlar a concentração de impurezas em licores bayer |
CN111362290A (zh) * | 2020-05-05 | 2020-07-03 | 湖南诺兰蒂尔环保科技有限公司 | 一种铝酸钠溶液中碳酸钠苛化工艺及装置 |
CN115784408B (zh) * | 2022-08-31 | 2023-09-12 | 哈尔滨工业大学 | 一种利用改性晶种诱导结晶去除废水中磷、氟和重金属的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2522605A (en) * | 1949-05-13 | 1950-09-19 | Kaiser Aluminium Chem Corp | Process for extraction of alumina from aluminous ores |
US3210155A (en) * | 1962-05-15 | 1965-10-05 | Ormet Corp | Process for treating aluminum containing ores |
HU187654B (en) * | 1982-02-26 | 1986-02-28 | Ajkai Timfoeldgyar Aluminium | Process for reduction of damages in production of aluminium oxid of bayer system |
US4451443A (en) * | 1982-07-28 | 1984-05-29 | Aluminum Company Of America | Causticization method |
US5145556A (en) * | 1991-07-31 | 1992-09-08 | International Paper Company | Single-stage slaking and causticizing method |
-
1999
- 1999-04-23 AU AUPP9982A patent/AUPP998299A0/en not_active Abandoned
-
2000
- 2000-04-20 WO PCT/AU2000/000346 patent/WO2000064812A1/en active Application Filing
- 2000-04-20 BR BRPI0009920-1A patent/BR0009920B1/pt not_active IP Right Cessation
- 2000-04-20 CA CA002370956A patent/CA2370956C/en not_active Expired - Fee Related
- 2000-04-20 EP EP00918583A patent/EP1194376A4/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
BR0009920A (pt) | 2002-05-28 |
CA2370956C (en) | 2008-12-30 |
EP1194376A4 (de) | 2004-04-07 |
CA2370956A1 (en) | 2000-11-02 |
WO2000064812A1 (en) | 2000-11-02 |
AUPP998299A0 (en) | 1999-05-20 |
EP1194376A1 (de) | 2002-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR0008301B1 (pt) | processo para a fabricaÇço de compostos, e, compostos. | |
BR0012774B1 (pt) | processo para preparação de poliamida. | |
BR9914248B1 (pt) | processo para purificação de alcanoato de alquila. | |
BR0008823B1 (pt) | processo para a preparação de ácido acrìlico. | |
BR0003808B1 (pt) | artigo absorvente, e, processo para fabricaÇço do mesmo. | |
BR0002614B1 (pt) | processo para recuperaÇço de diàxido de carbono. | |
BR9915708B1 (pt) | processo para preparação de monoariloxi-metalocenos. | |
BR9907230B1 (pt) | processo para a preparaÇço de um macrâmero. | |
BR0104896B1 (pt) | processo para a sìntese de uréia. | |
IT1317716B1 (it) | Processo per la preparazione di perfluoropoliossialchileni conterminali ossidrilici. | |
BR0011702B1 (pt) | processo para preparação de derivados herbicidas. | |
BR9815223B1 (pt) | processo de aminação. | |
BR0211391B1 (pt) | processo para preparaÇço de 4-aminodifenilaminas. | |
BR9917475B1 (pt) | processo para a manufatura de compostos, e, modificação do processo. | |
BR0013853B1 (pt) | processo para identificar contornos de leito. | |
BR0011909B1 (pt) | processo de recuperação de etileno. | |
BR0013146B1 (pt) | processo para produção de adrenalina. | |
BR0009920B1 (pt) | processo para causticação de soluções alcalinas. | |
BR0014579B1 (pt) | composição refrigerante. | |
BR9913938B1 (pt) | processo para a preparação de óxido de etileno. | |
BR9805538B1 (pt) | processo para a preparação de ferro-succinilcaseìna. | |
PT1203000E (pt) | Processo para producao de fosfonometilglicina | |
BR0013486B1 (pt) | processo para produção de embalagens de cigarros. | |
BR9902548B1 (pt) | processo para obtenÇço de um poliÉster. | |
BR0115964B1 (pt) | processo para a preparaÇço de urÉia. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/05/2011, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 17.05.2021 |