JPH0262494B2 - - Google Patents
Info
- Publication number
- JPH0262494B2 JPH0262494B2 JP60146145A JP14614585A JPH0262494B2 JP H0262494 B2 JPH0262494 B2 JP H0262494B2 JP 60146145 A JP60146145 A JP 60146145A JP 14614585 A JP14614585 A JP 14614585A JP H0262494 B2 JPH0262494 B2 JP H0262494B2
- Authority
- JP
- Japan
- Prior art keywords
- gypsum
- dihydrate
- liquid
- absorption liquid
- dihydrate gypsum
- 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.)
- Expired - Lifetime
Links
- 239000010440 gypsum Substances 0.000 claims description 192
- 229910052602 gypsum Inorganic materials 0.000 claims description 192
- 150000004683 dihydrates Chemical class 0.000 claims description 99
- 239000007788 liquid Substances 0.000 claims description 82
- 239000007789 gas Substances 0.000 claims description 81
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 60
- 238000010521 absorption reaction Methods 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 48
- 239000002002 slurry Substances 0.000 claims description 32
- 238000006477 desulfuration reaction Methods 0.000 claims description 29
- 230000023556 desulfurization Effects 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 239000003546 flue gas Substances 0.000 claims description 23
- FXPLXYZPNNSHTE-UHFFFAOYSA-L magnesium;2-sulfobutanedioate Chemical compound [Mg+2].OS(=O)(=O)C(C([O-])=O)CC([O-])=O FXPLXYZPNNSHTE-UHFFFAOYSA-L 0.000 claims description 19
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 17
- 235000019738 Limestone Nutrition 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000006028 limestone Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- 239000012452 mother liquor Substances 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 49
- 239000006227 byproduct Substances 0.000 description 14
- 239000013078 crystal Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 7
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 235000010261 calcium sulphite Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 241001653678 Russula emetica Species 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- -1 but in reality Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60146145A JPS627625A (ja) | 1985-07-03 | 1985-07-03 | α型半水石膏の製造方法 |
| CA000490153A CA1258961A (en) | 1984-09-17 | 1985-09-06 | PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE |
| DE19853533007 DE3533007A1 (de) | 1984-09-17 | 1985-09-16 | Verfahren zur herstellung von gipshemihydrat der alphaform |
| FR858513763A FR2570367B1 (fr) | 1984-09-17 | 1985-09-17 | Procede pour la production d'hemihydrate de gypse sous forme a |
| GB08522892A GB2165829B (en) | 1984-09-17 | 1985-09-17 | Process for producing a-form gypsum hemihydrate |
| US07/062,720 US4842842A (en) | 1984-09-17 | 1987-06-15 | Process for producing α-form gypsum hemihydrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60146145A JPS627625A (ja) | 1985-07-03 | 1985-07-03 | α型半水石膏の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS627625A JPS627625A (ja) | 1987-01-14 |
| JPH0262494B2 true JPH0262494B2 (enrdf_load_stackoverflow) | 1990-12-25 |
Family
ID=15401154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60146145A Granted JPS627625A (ja) | 1984-09-17 | 1985-07-03 | α型半水石膏の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627625A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844987B (zh) * | 2019-11-29 | 2022-06-17 | 江西富达盐化有限公司 | 一种利用碳酸锂废液处理纯碱废液的方法 |
-
1985
- 1985-07-03 JP JP60146145A patent/JPS627625A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS627625A (ja) | 1987-01-14 |
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