CN102153121B - 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 - Google Patents
一种以粉煤灰为原料制备低铁结晶氯化铝的方法 Download PDFInfo
- Publication number
- CN102153121B CN102153121B CN2011101040996A CN201110104099A CN102153121B CN 102153121 B CN102153121 B CN 102153121B CN 2011101040996 A CN2011101040996 A CN 2011101040996A CN 201110104099 A CN201110104099 A CN 201110104099A CN 102153121 B CN102153121 B CN 102153121B
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- China
- Prior art keywords
- aluminum chloride
- iron
- flyash
- solid
- crystal aluminum
- 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.)
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 title claims abstract description 138
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000010881 fly ash Substances 0.000 title claims abstract description 36
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 32
- 239000002994 raw material Substances 0.000 title abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000007885 magnetic separation Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000013078 crystal Substances 0.000 claims description 57
- 239000002002 slurry Substances 0.000 claims description 30
- 239000000047 product Substances 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 15
- 239000012065 filter cake Substances 0.000 claims description 14
- 239000006148 magnetic separator Substances 0.000 claims description 14
- 238000005554 pickling Methods 0.000 claims description 14
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000008025 crystallization Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001953 recrystallisation Methods 0.000 claims description 11
- 238000007670 refining Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 8
- 230000002378 acidificating effect Effects 0.000 abstract 2
- 238000002386 leaching Methods 0.000 abstract 2
- 238000000227 grinding Methods 0.000 abstract 1
- 238000011017 operating method Methods 0.000 description 15
- 239000010883 coal ash Substances 0.000 description 13
- 239000012530 fluid Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
SiO2 | Al2O3 | TiO2 | CaO | MgO | Fe2O3 | FeO | K2O | Na2O | LOS | SO3 | 总和 |
34.70 | 46.28 | 1.48 | 3.61 | 0.21 | 1.54 | 0.22 | 0.39 | 0.17 | 7.17 | 1.32 | 95.77 |
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011101040996A CN102153121B (zh) | 2010-04-27 | 2011-04-25 | 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN 201010161808 CN101838001A (zh) | 2010-04-27 | 2010-04-27 | 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 |
CN201010161808.X | 2010-04-27 | ||
CN2011101040996A CN102153121B (zh) | 2010-04-27 | 2011-04-25 | 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102153121A CN102153121A (zh) | 2011-08-17 |
CN102153121B true CN102153121B (zh) | 2012-07-25 |
Family
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CN 201010161808 Pending CN101838001A (zh) | 2010-04-27 | 2010-04-27 | 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 |
CN2011101040996A Active CN102153121B (zh) | 2010-04-27 | 2011-04-25 | 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 |
Family Applications Before (1)
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CN 201010161808 Pending CN101838001A (zh) | 2010-04-27 | 2010-04-27 | 一种以粉煤灰为原料制备低铁结晶氯化铝的方法 |
Country Status (1)
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CN (2) | CN101838001A (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103820651B (zh) * | 2013-12-30 | 2015-10-28 | 中国神华能源股份有限公司 | 从粉煤灰中溶出铝的方法 |
CN103803617B (zh) * | 2013-12-30 | 2016-03-16 | 中国神华能源股份有限公司 | 一种粉煤灰酸法生产氧化铝的方法 |
CN108950223B (zh) * | 2018-07-30 | 2019-10-25 | 太原理工大学 | 一种预富集粉煤灰中铝锂镓的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4652433A (en) * | 1986-01-29 | 1987-03-24 | Florida Progress Corporation | Method for the recovery of minerals and production of by-products from coal ash |
CN201179479Y (zh) * | 2008-04-03 | 2009-01-14 | 抚顺隆基磁电设备有限公司 | 立式转环感应式湿法强磁选机 |
-
2010
- 2010-04-27 CN CN 201010161808 patent/CN101838001A/zh active Pending
-
2011
- 2011-04-25 CN CN2011101040996A patent/CN102153121B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4652433A (en) * | 1986-01-29 | 1987-03-24 | Florida Progress Corporation | Method for the recovery of minerals and production of by-products from coal ash |
CN201179479Y (zh) * | 2008-04-03 | 2009-01-14 | 抚顺隆基磁电设备有限公司 | 立式转环感应式湿法强磁选机 |
Non-Patent Citations (1)
Title |
---|
刀正超.浅谈强磁选机感应介质几何形状、单元尺寸对选别指标的影响.《云南冶金》.1982,(第5期),34页右栏第3-15行. * |
Also Published As
Publication number | Publication date |
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CN102153121A (zh) | 2011-08-17 |
CN101838001A (zh) | 2010-09-22 |
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Effective date of registration: 20120224 Address after: 100011 Beijing city Dongcheng District No. 16 Andrew intercontinental 4 storey building Applicant after: China Shenhua Energy Co., Ltd. Address before: 100011 Beijing city Dongcheng District No. 16 Andrew intercontinental 4 storey building Applicant before: China Shenhua Energy Co., Ltd. Co-applicant before: Shenhua Zhunger Energy Co., Ltd. |
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