CN102153120B - 从循环流化床粉煤灰中溶出铝的方法 - Google Patents
从循环流化床粉煤灰中溶出铝的方法 Download PDFInfo
- Publication number
- CN102153120B CN102153120B CN2011101037226A CN201110103722A CN102153120B CN 102153120 B CN102153120 B CN 102153120B CN 2011101037226 A CN2011101037226 A CN 2011101037226A CN 201110103722 A CN201110103722 A CN 201110103722A CN 102153120 B CN102153120 B CN 102153120B
- Authority
- CN
- China
- Prior art keywords
- acid
- reaction
- coal ash
- flyash
- aluminum oxide
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000010883 coal ash Substances 0.000 title claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 33
- 238000005406 washing Methods 0.000 claims abstract description 9
- 238000002386 leaching Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 39
- 239000010881 fly ash Substances 0.000 claims description 37
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 30
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 20
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 10
- 230000035484 reaction time Effects 0.000 claims description 10
- 238000005554 pickling Methods 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 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 claims description 4
- 230000003292 diminished effect Effects 0.000 claims description 2
- 238000011085 pressure filtration Methods 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000012065 filter cake Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004090 dissolution Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000011978 dissolution method Methods 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 7
- 238000005245 sintering Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 description 6
- 235000017550 sodium carbonate Nutrition 0.000 description 6
- 206010013786 Dry skin Diseases 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000002956 ash Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 229960001866 silicon dioxide Drugs 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
Description
SiO2 | Al2O3 | TiO2 | CaO | MgO | TFe2O3 | 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 (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011101037226A CN102153120B (zh) | 2010-04-27 | 2011-04-25 | 从循环流化床粉煤灰中溶出铝的方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010161909.7 | 2010-04-27 | ||
CN 201010161909 CN101844783A (zh) | 2010-04-27 | 2010-04-27 | 从循环流化床粉煤灰中溶出铝的方法 |
CN2011101037226A CN102153120B (zh) | 2010-04-27 | 2011-04-25 | 从循环流化床粉煤灰中溶出铝的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102153120A CN102153120A (zh) | 2011-08-17 |
CN102153120B true CN102153120B (zh) | 2012-06-27 |
Family
ID=42769621
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010161909 Pending CN101844783A (zh) | 2010-04-27 | 2010-04-27 | 从循环流化床粉煤灰中溶出铝的方法 |
CN2011101037226A Active CN102153120B (zh) | 2010-04-27 | 2011-04-25 | 从循环流化床粉煤灰中溶出铝的方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010161909 Pending CN101844783A (zh) | 2010-04-27 | 2010-04-27 | 从循环流化床粉煤灰中溶出铝的方法 |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN101844783A (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103803495A (zh) * | 2013-12-30 | 2014-05-21 | 中国神华能源股份有限公司 | 酸法生产氧化铝产生的废液的处理方法 |
CN106669978B (zh) * | 2015-11-11 | 2019-09-13 | 神华集团有限责任公司 | 一种炭浮选剂及其应用和粉煤灰浮选提炭的方法 |
CN109592693A (zh) * | 2018-11-22 | 2019-04-09 | 中国神华能源股份有限公司 | 一种酸浸渣制取水玻璃的方法 |
CN111233014B (zh) * | 2020-03-04 | 2022-04-26 | 神华准能资源综合开发有限公司 | 用于粉煤灰强化溶出的方法 |
CN114314622A (zh) * | 2020-09-30 | 2022-04-12 | 中国科学院过程工程研究所 | 一种无焙烧、强化酸浸煤矸石生产冶金级氧化铝的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1927716A (zh) * | 2006-08-29 | 2007-03-14 | 吉林大学 | 一种制备氧化铝的方法 |
-
2010
- 2010-04-27 CN CN 201010161909 patent/CN101844783A/zh active Pending
-
2011
- 2011-04-25 CN CN2011101037226A patent/CN102153120B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1927716A (zh) * | 2006-08-29 | 2007-03-14 | 吉林大学 | 一种制备氧化铝的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102153120A (zh) | 2011-08-17 |
CN101844783A (zh) | 2010-09-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100413981C (zh) | 一种从高硅含铝矿物原料中酸法提取铝的方法 | |
CN101775505B (zh) | 氯化焙烧法从锂云母中提取锂的方法和设备 | |
CN102071321B (zh) | 用高碱度的氢氧化钾介质从含钒钢渣中提取钒、铬的方法 | |
CN102153120B (zh) | 从循环流化床粉煤灰中溶出铝的方法 | |
CN104876250B (zh) | 一种硫酸处理锂云母提锂除铝的方法 | |
CN101397146A (zh) | 一种利用粉煤灰制备氧化铝的方法 | |
CN111233003A (zh) | 一种完全实现高氟二次铝灰资源化利用的酸碱联合工艺 | |
CN103663510B (zh) | 一种盐酸处理粉煤灰制备氧化铝的方法 | |
CN101899582A (zh) | 由钒渣提取五氧化二钒的方法 | |
CN101974678A (zh) | 一种从锂云母矿中提取锂和其它碱金属元素的方法 | |
CN102897810B (zh) | 一种利用粉煤灰生产氧化铝的方法 | |
CN102502735B (zh) | 利用粉煤灰生产氧化铝的方法 | |
CN101555036A (zh) | 从高炉渣中提取TiO2及SiO2的方法 | |
CN106435197A (zh) | 一种scr脱硝废催化剂有价金属碱性萃取回收装置及工艺 | |
WO2013143335A1 (zh) | 碱法提取粉煤灰中氧化铝的方法 | |
CN103663511A (zh) | 盐酸处理粉煤灰制备氧化铝的方法 | |
CN105274341A (zh) | 一种废scr脱硝催化剂中金属钒和钨浸出的方法 | |
CN102424412A (zh) | 一种利用粉煤灰生产氧化铝的方法 | |
CN115193877A (zh) | 一种铝灰渣资源综合利用的方法 | |
CN111792650A (zh) | 粉煤灰或煤矸石热熔盐法全元素回收利用工艺 | |
CN103290217A (zh) | 高压蒸汽法处理锂矿石提锂工艺 | |
CN103086408A (zh) | 一种粉煤灰硫酸铵混合焙烧生产氧化铝的方法 | |
CN103086410A (zh) | 粉煤灰硫酸铵混合焙烧制备氧化铝的方法 | |
CN103498047A (zh) | 一种石煤氧化焙烧后碱浸提钒的工艺 | |
CN103820651B (zh) | 从粉煤灰中溶出铝的方法 |
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 |
Free format text: FORMER OWNER: SHENHUA ZHUNGER ENERGY CO., LTD. Effective date: 20111213 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20111213 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. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |