CN103086412A - Method for extracting alumina through coal ash - Google Patents
Method for extracting alumina through coal ash Download PDFInfo
- Publication number
- CN103086412A CN103086412A CN2013100629220A CN201310062922A CN103086412A CN 103086412 A CN103086412 A CN 103086412A CN 2013100629220 A CN2013100629220 A CN 2013100629220A CN 201310062922 A CN201310062922 A CN 201310062922A CN 103086412 A CN103086412 A CN 103086412A
- Authority
- CN
- China
- Prior art keywords
- ammonium sulfate
- flyash
- roasting
- coal ash
- temperature
- 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.)
- Pending
Links
Images
Landscapes
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013100629220A CN103086412A (en) | 2013-02-28 | 2013-02-28 | Method for extracting alumina through coal ash |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013100629220A CN103086412A (en) | 2013-02-28 | 2013-02-28 | Method for extracting alumina through coal ash |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103086412A true CN103086412A (en) | 2013-05-08 |
Family
ID=48199617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2013100629220A Pending CN103086412A (en) | 2013-02-28 | 2013-02-28 | Method for extracting alumina through coal ash |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103086412A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103771471A (en) * | 2014-01-26 | 2014-05-07 | 乌鲁木齐金石徽龙矿业有限公司 | Method for preparing aluminum oxide through coal ash |
CN104150515A (en) * | 2014-08-11 | 2014-11-19 | 航天推进技术研究院 | Method for extracting alumina from fly ash based on ammonium sulfate method |
CN105366699A (en) * | 2014-08-28 | 2016-03-02 | 北京航天动力研究所 | Calcination and activation method and device for high-aluminum pulverized coal furnace flyash |
CN113353958A (en) * | 2021-07-29 | 2021-09-07 | 上海绿麟达新材料科技有限公司 | Clean production process of hexafluorophosphate |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101117228A (en) * | 2007-07-12 | 2008-02-06 | 中国铝业股份有限公司 | Method for extracting aluminium oxide from coal ash |
KR20090032806A (en) * | 2007-09-28 | 2009-04-01 | 한국전력공사 | Extraction method and apparatus of high pure alumina from fly ash using microwave |
CN102120593A (en) * | 2010-01-08 | 2011-07-13 | 北京世纪地和科技有限公司 | Method for extracting aluminum oxide from pulverized flue ash |
CN102583468A (en) * | 2012-03-08 | 2012-07-18 | 航天推进技术研究院 | Method for extracting aluminum oxide from fly ash based on ammonium sulfate activation process |
-
2013
- 2013-02-28 CN CN2013100629220A patent/CN103086412A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101117228A (en) * | 2007-07-12 | 2008-02-06 | 中国铝业股份有限公司 | Method for extracting aluminium oxide from coal ash |
KR20090032806A (en) * | 2007-09-28 | 2009-04-01 | 한국전력공사 | Extraction method and apparatus of high pure alumina from fly ash using microwave |
CN102120593A (en) * | 2010-01-08 | 2011-07-13 | 北京世纪地和科技有限公司 | Method for extracting aluminum oxide from pulverized flue ash |
CN102583468A (en) * | 2012-03-08 | 2012-07-18 | 航天推进技术研究院 | Method for extracting aluminum oxide from fly ash based on ammonium sulfate activation process |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103771471A (en) * | 2014-01-26 | 2014-05-07 | 乌鲁木齐金石徽龙矿业有限公司 | Method for preparing aluminum oxide through coal ash |
CN103771471B (en) * | 2014-01-26 | 2015-02-25 | 乌鲁木齐金石徽龙矿业有限公司 | Method for preparing aluminum oxide through coal ash |
CN104150515A (en) * | 2014-08-11 | 2014-11-19 | 航天推进技术研究院 | Method for extracting alumina from fly ash based on ammonium sulfate method |
CN104150515B (en) * | 2014-08-11 | 2015-08-26 | 航天推进技术研究院 | From flyash, the method for aluminum oxide is extracted based on ammonium sulfate method |
CN105366699A (en) * | 2014-08-28 | 2016-03-02 | 北京航天动力研究所 | Calcination and activation method and device for high-aluminum pulverized coal furnace flyash |
CN113353958A (en) * | 2021-07-29 | 2021-09-07 | 上海绿麟达新材料科技有限公司 | Clean production process of hexafluorophosphate |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104495899B (en) | A kind of carbide slag and flyash work in coordination with the method for recycling | |
CN101892394B (en) | Method and device for extracting lithium from lithium mica | |
CN101775505B (en) | Method and device for extracting lithium from lapidolite by chloridizing roasting method | |
CN106587116B (en) | A kind of method for extracting lithium carbonate and aluminium hydroxide using lepidolite and flyash | |
CN110983071B (en) | Method for extracting lithium salt from low-grade lithium ore raw material | |
CN100572279C (en) | A kind of method of alumina of from flyash, extracting | |
CN102583468B (en) | From flyash, the method for aluminum oxide is extracted based on ammonium sulfate activation process | |
CN101254933B (en) | Method for extracting high-purity alumina and silica gel from coal ash | |
CN102627305B (en) | Method using alkaline process to extract alumina in coal ash | |
CN102424412B (en) | Method of producing alumina from fly ash | |
CN102602969B (en) | Method for extracting aluminum oxide from fluidized bed coal ash | |
CN103086412A (en) | Method for extracting alumina through coal ash | |
CN104817099A (en) | Improved method for extracting alkali metal compound from solid fluorine reconstruction lepidolite | |
CN103031443A (en) | Method of dealkalizing red mud and recovering aluminum and iron | |
CN103290217A (en) | Technology for extracting lithium by processing lithium ores through high-pressure steaming process | |
CN115043417A (en) | Method for extracting lithium from lepidolite waste residues and lithium residue blank plate structure | |
CN105565350B (en) | A kind of method that utilization aluminous fly-ash produces aluminum oxide | |
CN103936045B (en) | A kind of method extracting aluminum oxide from flyash | |
CN105776268B (en) | A kind of dry method process for calcining using flyash as raw material | |
CN104628020A (en) | Method for producing metallurgy-grade alumina by taking pulverized fuel ash and recycled ammonium salt as raw materials | |
CN105565352B (en) | A kind of method that aluminum oxide is produced with aluminous fly-ash | |
CN103771471B (en) | Method for preparing aluminum oxide through coal ash | |
CN103408050B (en) | Method of efficient extraction of aluminum, iron, and titanium in coal gangue | |
CN102583475A (en) | Method for producing aluminum oxide by utilizing low alumina-silica ratio aluminized resource dry method or semidry method | |
CN105585298A (en) | Method for comprehensive utilization on fly ash |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NORTHERN UNITED POWER CO., LTD. Free format text: FORMER OWNER: TIANLI ENERGY SAVING ENGINEERING CO., LTD. SHANDONG ACADEMY OF SCIENCES Effective date: 20140430 Owner name: TIANLI ENERGY SAVING ENGINEERING CO., LTD. SHANDON Effective date: 20140430 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250014 JINAN, SHANDONG PROVINCE TO: 010020 HOHHOT, INNER MONGOLIA AUTONOMOUS REGION |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20140430 Address after: Xilingol road Hohhot City No. 15 the Inner Mongolia Autonomous Region 010020 Applicant after: Northern United Power Co.,Ltd. Applicant after: SHANDONG KEYUAN TIANLI ENERGY CONSERVATION ENGINEERING Co.,Ltd. Address before: Three Cun Cai Shi Zhen Xi Cai Shi Licheng District 250014 Shandong city of Ji'nan province No. 403 Applicant before: SHANDONG KEYUAN TIANLI ENERGY CONSERVATION ENGINEERING Co.,Ltd. |
|
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130508 |