CN104211104B - 火力煤电厂烟气脱硫石膏废渣的分离回收利用方法 - Google Patents
火力煤电厂烟气脱硫石膏废渣的分离回收利用方法 Download PDFInfo
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- CN104211104B CN104211104B CN201410430509.XA CN201410430509A CN104211104B CN 104211104 B CN104211104 B CN 104211104B CN 201410430509 A CN201410430509 A CN 201410430509A CN 104211104 B CN104211104 B CN 104211104B
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- 239000002699 waste material Substances 0.000 title claims abstract description 48
- 238000000926 separation method Methods 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000003546 flue gas Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 74
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 73
- 239000007864 aqueous solution Substances 0.000 claims abstract description 63
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 62
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 55
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 50
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 42
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 42
- 239000007832 Na2SO4 Substances 0.000 claims abstract description 41
- 239000010440 gypsum Substances 0.000 claims abstract description 35
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 22
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 18
- FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 14
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 14
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 14
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 82
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 229910052925 anhydrite Inorganic materials 0.000 claims description 54
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 48
- 239000000377 silicon dioxide Substances 0.000 claims description 45
- 229910052681 coesite Inorganic materials 0.000 claims description 43
- 229910052906 cristobalite Inorganic materials 0.000 claims description 43
- 229910052682 stishovite Inorganic materials 0.000 claims description 43
- 229910052905 tridymite Inorganic materials 0.000 claims description 43
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 41
- 239000011575 calcium Substances 0.000 claims description 36
- 239000000920 calcium hydroxide Substances 0.000 claims description 31
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 31
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 29
- 229910020451 K2SiO3 Inorganic materials 0.000 claims description 27
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 27
- 229910001679 gibbsite Inorganic materials 0.000 claims description 27
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 25
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 24
- 230000002441 reversible effect Effects 0.000 claims description 24
- 239000011777 magnesium Substances 0.000 claims description 17
- 229910000329 aluminium sulfate Inorganic materials 0.000 claims description 16
- 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 16
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 16
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 16
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 239000008346 aqueous phase Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 230000001376 precipitating effect Effects 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000000347 magnesium hydroxide Substances 0.000 claims description 7
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- 229910020489 SiO3 Inorganic materials 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 230000036632 reaction speed Effects 0.000 claims description 4
- 238000001226 reprecipitation Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- JXRVKYBCWUJJBP-UHFFFAOYSA-L calcium;hydrogen sulfate Chemical compound [Ca+2].OS([O-])(=O)=O.OS([O-])(=O)=O JXRVKYBCWUJJBP-UHFFFAOYSA-L 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- -1 recycle Al (OH)3 Inorganic materials 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- WPUINVXKIPAAHK-UHFFFAOYSA-N aluminum;potassium;oxygen(2-) Chemical compound [O-2].[O-2].[Al+3].[K+] WPUINVXKIPAAHK-UHFFFAOYSA-N 0.000 claims 3
- 238000002156 mixing Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 8
- 239000000908 ammonium hydroxide Substances 0.000 description 8
- 229910001424 calcium ion Inorganic materials 0.000 description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 6
- KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000006071 cream Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 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 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- VVJRSSJSRXEOQL-UHFFFAOYSA-N calcium;potassium;sulfuric acid;hydrate Chemical compound O.[K].[K].[Ca].OS(O)(=O)=O.OS(O)(=O)=O VVJRSSJSRXEOQL-UHFFFAOYSA-N 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000021321 essential mineral Nutrition 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
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CN201410430509.XA CN104211104B (zh) | 2014-08-23 | 2014-08-23 | 火力煤电厂烟气脱硫石膏废渣的分离回收利用方法 |
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Families Citing this family (5)
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CN105984893A (zh) * | 2015-02-07 | 2016-10-05 | 耿兆翔 | 硫铁矿烧渣的分离回收和再生利用方法 |
CN104843799B (zh) * | 2015-04-12 | 2017-01-18 | 耿兆翔 | 氧化铁粉末中粉末氧化铝和氧化钙的分离回收方法 |
CN106044827B (zh) * | 2016-07-12 | 2018-11-27 | 山东胜伟盐碱地科技有限公司 | 一种燃煤电厂脱硫石膏的除杂方法 |
CN106477635B (zh) * | 2016-09-29 | 2017-11-10 | 太原理工大学 | 一种用废旧石膏制备铁酸钙锭的方法 |
CN114906822A (zh) * | 2022-04-26 | 2022-08-16 | 马鞍山钢铁股份有限公司 | 一种焦炉煤气废脱硫剂无害化处理方法及应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1077664A (zh) * | 1993-02-10 | 1993-10-27 | 邓绍齐 | 烟道气脱硫石膏综合利用的方法 |
EP0577272A1 (en) * | 1992-07-01 | 1994-01-05 | Tioxide Group Services Limited | Process for preparing calcium sulphate |
CN1170698A (zh) * | 1997-05-16 | 1998-01-21 | 重庆侨益物资站 | 利用烟道气脱硫石膏生产硫酸钾的工艺 |
-
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- 2014-08-23 CN CN201410430509.XA patent/CN104211104B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0577272A1 (en) * | 1992-07-01 | 1994-01-05 | Tioxide Group Services Limited | Process for preparing calcium sulphate |
CN1077664A (zh) * | 1993-02-10 | 1993-10-27 | 邓绍齐 | 烟道气脱硫石膏综合利用的方法 |
CN1170698A (zh) * | 1997-05-16 | 1998-01-21 | 重庆侨益物资站 | 利用烟道气脱硫石膏生产硫酸钾的工艺 |
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