CN1868884A - Method of extracting aluminium oxide from fly ash and simultaneously producing white carbon black - Google Patents
Method of extracting aluminium oxide from fly ash and simultaneously producing white carbon black Download PDFInfo
- Publication number
- CN1868884A CN1868884A CN 200610012780 CN200610012780A CN1868884A CN 1868884 A CN1868884 A CN 1868884A CN 200610012780 CN200610012780 CN 200610012780 CN 200610012780 A CN200610012780 A CN 200610012780A CN 1868884 A CN1868884 A CN 1868884A
- Authority
- CN
- China
- Prior art keywords
- fly ash
- carbon black
- white carbon
- filtering
- hydroxide
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000006229 carbon black Substances 0.000 title claims abstract description 21
- 239000010881 fly ash Substances 0.000 title claims description 48
- 239000007788 liquid Substances 0.000 claims abstract description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 29
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 23
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 22
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 6
- 235000014413 iron hydroxide Nutrition 0.000 claims abstract description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims abstract description 3
- 230000003213 activating effect Effects 0.000 claims abstract 2
- 238000000227 grinding Methods 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims description 27
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 24
- 239000003513 alkali Substances 0.000 claims description 22
- 229960004887 ferric hydroxide Drugs 0.000 claims description 22
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 19
- 235000019353 potassium silicate Nutrition 0.000 claims description 15
- 239000002244 precipitate Substances 0.000 claims description 15
- 239000000706 filtrate Substances 0.000 claims description 14
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 13
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000004090 dissolution Methods 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 7
- 238000002386 leaching Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000003746 solid phase reaction Methods 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 238000004131 Bayer process Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001354 calcination Methods 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 239000010883 coal ash Substances 0.000 abstract description 3
- 238000005406 washing Methods 0.000 description 18
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000013587 production medium Substances 0.000 description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 238000005915 ammonolysis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Images
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
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Priority Applications (1)
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CNB2006100127807A CN100457628C (en) | 2006-06-02 | 2006-06-02 | Method of extracting aluminium oxide from fly ash and simultaneously producing white carbon black |
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CNB2006100127807A CN100457628C (en) | 2006-06-02 | 2006-06-02 | Method of extracting aluminium oxide from fly ash and simultaneously producing white carbon black |
Publications (2)
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CN1868884A true CN1868884A (en) | 2006-11-29 |
CN100457628C CN100457628C (en) | 2009-02-04 |
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CNB2006100127807A Expired - Fee Related CN100457628C (en) | 2006-06-02 | 2006-06-02 | Method of extracting aluminium oxide from fly ash and simultaneously producing white carbon black |
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Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008119212A1 (en) * | 2007-04-03 | 2008-10-09 | Pingshuo Industrial Ltd. | A method of extracting silica at first and then extracting alumina from fly ash |
CN100572279C (en) * | 2007-07-12 | 2009-12-23 | 中国铝业股份有限公司 | A kind of method of alumina of from flyash, extracting |
CN101254933B (en) * | 2008-04-02 | 2010-06-23 | 潘爱芳 | Method for extracting high-purity alumina and silica gel from coal ash |
CN101284668B (en) * | 2007-04-12 | 2010-08-04 | 清华大学 | Process for abstracting earth silicon, oxide of alumina and gallium oxide from high-alumina flying ash |
CN101112990B (en) * | 2007-07-05 | 2010-09-08 | 东北大学 | Method for co-production of white carbon black, aluminum oxide and kerogen by kerosene shale |
CN101830470A (en) * | 2010-03-22 | 2010-09-15 | 大连民族学院 | Method for high-value utilizing ash and slag substances by organic carboxylic acid conversion and separation method |
CN101966999A (en) * | 2010-11-11 | 2011-02-09 | 中国地质大学(北京) | Method for extracting aluminum oxide and white carbon black through two-step alkaline leaching method by adopting high-alumina fly ash |
CN101993085A (en) * | 2010-11-29 | 2011-03-30 | 中煤平朔煤业有限责任公司 | Method for producing white carbon black for toothpaste from fly ash |
CN102020296A (en) * | 2009-09-09 | 2011-04-20 | 黄明 | Extraction of aluminum hydroxide from coal gangue composite acid ammonium |
CN101306826B (en) * | 2008-06-20 | 2011-05-25 | 北京世纪地和科技有限公司 | Process for extracting metallurgy-level aluminum oxide from fly ash or slag |
CN101041450B (en) * | 2006-03-15 | 2011-06-01 | 中国地质大学(北京) | Clean production technique for preparation of aluminium oxide and white carbon black by using high-alumina coal ash |
CN102344155A (en) * | 2010-07-30 | 2012-02-08 | 沈阳铝镁设计研究院有限公司 | Method for preparing alumina from fly ash |
CN102358623A (en) * | 2011-09-24 | 2012-02-22 | 沈阳铝镁设计研究院有限公司 | Method for producing aluminum oxide by treating fly ash through ammonia process |
CN102424412A (en) * | 2011-09-24 | 2012-04-25 | 沈阳铝镁设计研究院有限公司 | Method of producing alumina from fly ash |
CN102502736A (en) * | 2011-11-03 | 2012-06-20 | 沈阳铝镁设计研究院有限公司 | Method for producing alumina by using pulverized fuel ash |
CN102502735A (en) * | 2011-11-03 | 2012-06-20 | 沈阳铝镁设计研究院有限公司 | Method for producing alumina by using pulverized fuel ash |
CN102120593B (en) * | 2010-01-08 | 2012-11-07 | 北京世纪地和科技有限公司 | Method for extracting aluminum oxide from pulverized flue ash |
CN103553100A (en) * | 2013-11-19 | 2014-02-05 | 南京天华化学工程有限公司 | Method for extracting aluminum oxide from coal ash through hot-wall reaction |
CN104045099A (en) * | 2013-03-15 | 2014-09-17 | 北京航天动力研究所 | Entrained-flow bed fly ash activation method and entrained-flow bed reacting furnace for method |
CN104477928A (en) * | 2014-12-03 | 2015-04-01 | 宋英宏 | Method for extracting sodium silicate from coal ashes |
CN104860338A (en) * | 2014-02-20 | 2015-08-26 | 中国科学院过程工程研究所 | Method for extracting alumina from fly ash through sulfo ammonium salt mixing medium system |
CN105016343A (en) * | 2014-04-17 | 2015-11-04 | 中国科学院过程工程研究所 | Method for preparing hydrophobic white carbon black by using high-alumina fly ash |
CN105540602A (en) * | 2016-01-29 | 2016-05-04 | 卓达新材料科技集团有限公司 | Method for preparing water glass by using ordinary pulverized-coal-furnace fly ash |
CN107285350A (en) * | 2017-08-21 | 2017-10-24 | 青岛海山环保工程有限公司 | A kind of method that hydrochloric acid leaching flyash extracts aluminum and coproducing white carbon |
CN109179462A (en) * | 2018-09-25 | 2019-01-11 | 太原理工大学 | A method of high purity aluminium oxide is produced using aluminous fly-ash |
CN109183194A (en) * | 2018-07-18 | 2019-01-11 | 山西载驰科技有限公司 | A method of by the high-purity alumina silicate fibre of gangue large scale preparation |
CN109802116A (en) * | 2019-01-21 | 2019-05-24 | 渤海大学 | The roasting of lateritic nickel ore acid roasting-dissolution-alkali extracts silicon and prepares ferric metasilicate lithium/carbon method |
CN111847518A (en) * | 2020-06-28 | 2020-10-30 | 广西锰华新能源科技发展有限公司 | Efficient recycling method of silicomanganese slag |
CN115321569A (en) * | 2022-07-25 | 2022-11-11 | 四川大学 | Preparation method of diaspore |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4256703A (en) * | 1978-11-17 | 1981-03-17 | Chemed Corporation | Fly ash collection |
US4242313A (en) * | 1980-03-21 | 1980-12-30 | Extraction Research & Development, Inc. | Processes for the recovery of alumina from fly ash and production of cement constituents |
CN1015537B (en) * | 1987-12-04 | 1992-02-19 | 淮南发电总厂 | Process for extraction of alumina from powder coal ash with formation of gelmaterial b-c25 |
CN1296280C (en) * | 2004-11-12 | 2007-01-24 | 内蒙古蒙西高新技术集团有限公司 | Method for producing alumina and cement by using coal ash and limestone |
-
2006
- 2006-06-02 CN CNB2006100127807A patent/CN100457628C/en not_active Expired - Fee Related
Cited By (38)
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CN101041450B (en) * | 2006-03-15 | 2011-06-01 | 中国地质大学(北京) | Clean production technique for preparation of aluminium oxide and white carbon black by using high-alumina coal ash |
WO2008119212A1 (en) * | 2007-04-03 | 2008-10-09 | Pingshuo Industrial Ltd. | A method of extracting silica at first and then extracting alumina from fly ash |
CN101284668B (en) * | 2007-04-12 | 2010-08-04 | 清华大学 | Process for abstracting earth silicon, oxide of alumina and gallium oxide from high-alumina flying ash |
CN101112990B (en) * | 2007-07-05 | 2010-09-08 | 东北大学 | Method for co-production of white carbon black, aluminum oxide and kerogen by kerosene shale |
CN100572279C (en) * | 2007-07-12 | 2009-12-23 | 中国铝业股份有限公司 | A kind of method of alumina of from flyash, extracting |
CN101254933B (en) * | 2008-04-02 | 2010-06-23 | 潘爱芳 | Method for extracting high-purity alumina and silica gel from coal ash |
CN101306826B (en) * | 2008-06-20 | 2011-05-25 | 北京世纪地和科技有限公司 | Process for extracting metallurgy-level aluminum oxide from fly ash or slag |
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CN104045099B (en) * | 2013-03-15 | 2015-11-25 | 北京航天动力研究所 | A kind of air flow bed flyash activation method and the special air flow bed Reaktionsofen of the method |
CN103553100A (en) * | 2013-11-19 | 2014-02-05 | 南京天华化学工程有限公司 | Method for extracting aluminum oxide from coal ash through hot-wall reaction |
CN104860338A (en) * | 2014-02-20 | 2015-08-26 | 中国科学院过程工程研究所 | Method for extracting alumina from fly ash through sulfo ammonium salt mixing medium system |
CN105016343A (en) * | 2014-04-17 | 2015-11-04 | 中国科学院过程工程研究所 | Method for preparing hydrophobic white carbon black by using high-alumina fly ash |
CN104477928A (en) * | 2014-12-03 | 2015-04-01 | 宋英宏 | Method for extracting sodium silicate from coal ashes |
CN105540602A (en) * | 2016-01-29 | 2016-05-04 | 卓达新材料科技集团有限公司 | Method for preparing water glass by using ordinary pulverized-coal-furnace fly ash |
CN107285350A (en) * | 2017-08-21 | 2017-10-24 | 青岛海山环保工程有限公司 | A kind of method that hydrochloric acid leaching flyash extracts aluminum and coproducing white carbon |
CN109183194A (en) * | 2018-07-18 | 2019-01-11 | 山西载驰科技有限公司 | A method of by the high-purity alumina silicate fibre of gangue large scale preparation |
CN109179462A (en) * | 2018-09-25 | 2019-01-11 | 太原理工大学 | A method of high purity aluminium oxide is produced using aluminous fly-ash |
CN109802116A (en) * | 2019-01-21 | 2019-05-24 | 渤海大学 | The roasting of lateritic nickel ore acid roasting-dissolution-alkali extracts silicon and prepares ferric metasilicate lithium/carbon method |
CN111847518A (en) * | 2020-06-28 | 2020-10-30 | 广西锰华新能源科技发展有限公司 | Efficient recycling method of silicomanganese slag |
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CN115321569B (en) * | 2022-07-25 | 2024-05-10 | 四川大学 | Preparation method of diaspore |
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