CN100345759C - 氧化铝生产过程中降低流程中碳酸盐的方法 - Google Patents
氧化铝生产过程中降低流程中碳酸盐的方法 Download PDFInfo
- Publication number
- CN100345759C CN100345759C CNB2005102004008A CN200510200400A CN100345759C CN 100345759 C CN100345759 C CN 100345759C CN B2005102004008 A CNB2005102004008 A CN B2005102004008A CN 200510200400 A CN200510200400 A CN 200510200400A CN 100345759 C CN100345759 C CN 100345759C
- Authority
- CN
- China
- Prior art keywords
- lime
- alkali
- carbonates
- flow process
- present
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
- C01F7/06—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
- C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (1)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005102004008A CN100345759C (zh) | 2005-07-18 | 2005-07-18 | 氧化铝生产过程中降低流程中碳酸盐的方法 |
PCT/CN2006/001745 WO2007009379A1 (fr) | 2005-07-18 | 2006-07-18 | Procede pour la reduction de teneur en carbonates dans le chemin d'ecoulement de production d'alumine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005102004008A CN100345759C (zh) | 2005-07-18 | 2005-07-18 | 氧化铝生产过程中降低流程中碳酸盐的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1730394A CN1730394A (zh) | 2006-02-08 |
CN100345759C true CN100345759C (zh) | 2007-10-31 |
Family
ID=35962822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005102004008A Expired - Fee Related CN100345759C (zh) | 2005-07-18 | 2005-07-18 | 氧化铝生产过程中降低流程中碳酸盐的方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100345759C (zh) |
WO (1) | WO2007009379A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104591242B (zh) * | 2015-02-04 | 2016-02-17 | 河北科技大学 | 一种中低品位铝土矿低钙铝比石灰烧结制备熟料的方法 |
CN111252790B (zh) * | 2020-03-16 | 2022-05-13 | 中国铝业股份有限公司 | 一种拜耳法高碳碱溶液蒸发和析盐工艺改进的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451443A (en) * | 1982-07-28 | 1984-05-29 | Aluminum Company Of America | Causticization method |
JPH08175817A (ja) * | 1994-12-27 | 1996-07-09 | Sumitomo Chem Co Ltd | カルシウムアルミネート水和物およびこれを用いた水酸化アルミニウムの製造方法 |
CN1389400A (zh) * | 2002-07-23 | 2003-01-08 | 中国铝业股份有限公司 | 一种氧化铝生产过程中补碱的方法 |
CN1186258C (zh) * | 2002-11-12 | 2005-01-26 | 中国铝业股份有限公司 | 一种生产氧化铝工艺过程的补碱方法 |
-
2005
- 2005-07-18 CN CNB2005102004008A patent/CN100345759C/zh not_active Expired - Fee Related
-
2006
- 2006-07-18 WO PCT/CN2006/001745 patent/WO2007009379A1/zh active Application Filing
Non-Patent Citations (3)
Title |
---|
混联法氧化铝生产中两种补碱方法的技术经济比较 吴金水,李旺兴,轻金属,第2000年第4期 2000 * |
石灰拜耳法工业试验存在问题及措施 牛宏斌,闫旭方,侯炳毅,有色冶金节能,第20卷第5期 2003 * |
石灰煅烧质量对氧化铝生产的影响 陈金清,李小斌,杨世杰,矿冶工程,第20卷第2期 2000 * |
Also Published As
Publication number | Publication date |
---|---|
CN1730394A (zh) | 2006-02-08 |
WO2007009379A1 (fr) | 2007-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: GUIYANG ALUMINUM AND MAGNESIUM DESIGN INSTITUTE CO Free format text: FORMER NAME: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. |
|
CP03 | Change of name, title or address |
Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20150718 |
|
EXPY | Termination of patent right or utility model |