JPS649079B2 - - Google Patents
Info
- Publication number
- JPS649079B2 JPS649079B2 JP9604978A JP9604978A JPS649079B2 JP S649079 B2 JPS649079 B2 JP S649079B2 JP 9604978 A JP9604978 A JP 9604978A JP 9604978 A JP9604978 A JP 9604978A JP S649079 B2 JPS649079 B2 JP S649079B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- calcium
- calcium sulfate
- calcined
- calcium sulfite
- 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
Links
- 239000010802 sludge Substances 0.000 claims description 49
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 32
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 19
- 235000010261 calcium sulphite Nutrition 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 239000000047 product Substances 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 7
- 239000013067 intermediate product Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims 2
- 230000008719 thickening Effects 0.000 claims 2
- 159000000007 calcium salts Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 14
- 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 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000010881 fly ash Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000009261 D 400 Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical class [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000001177 diphosphate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229940060367 inert ingredients Drugs 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9604978A JPS5522375A (en) | 1978-08-07 | 1978-08-07 | Method of disposing waste sludge from desulfurization device of combustion plant and cementiteelike product by means of said method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9604978A JPS5522375A (en) | 1978-08-07 | 1978-08-07 | Method of disposing waste sludge from desulfurization device of combustion plant and cementiteelike product by means of said method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5522375A JPS5522375A (en) | 1980-02-18 |
| JPS649079B2 true JPS649079B2 (enExample) | 1989-02-16 |
Family
ID=14154600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9604978A Granted JPS5522375A (en) | 1978-08-07 | 1978-08-07 | Method of disposing waste sludge from desulfurization device of combustion plant and cementiteelike product by means of said method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5522375A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8204052A (nl) * | 1982-10-20 | 1984-05-16 | Pelt & Hooykaas | Samenstelling. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920795A (en) * | 1973-03-08 | 1975-11-18 | Dravo Corp | Stabilization of sludge slurries |
| JPS5137095A (en) * | 1974-09-26 | 1976-03-29 | Mitsubishi Heavy Ind Ltd | Aryusansetsukaikara 2gatamusuisetsuko no seizohoho |
| JPS5232896A (en) * | 1975-09-10 | 1977-03-12 | Mitsubishi Heavy Ind Ltd | Improved wet recovery process of sulfur in the waste gas as gypsum wit h lime |
-
1978
- 1978-08-07 JP JP9604978A patent/JPS5522375A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5522375A (en) | 1980-02-18 |
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