JPH0436728B2 - - Google Patents
Info
- Publication number
- JPH0436728B2 JPH0436728B2 JP57138464A JP13846482A JPH0436728B2 JP H0436728 B2 JPH0436728 B2 JP H0436728B2 JP 57138464 A JP57138464 A JP 57138464A JP 13846482 A JP13846482 A JP 13846482A JP H0436728 B2 JPH0436728 B2 JP H0436728B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- liquid
- desulfurization
- gypsum
- reusing
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 38
- 238000006477 desulfuration reaction Methods 0.000 claims description 28
- 230000023556 desulfurization Effects 0.000 claims description 28
- 239000002002 slurry Substances 0.000 claims description 24
- 239000010440 gypsum Substances 0.000 claims description 20
- 229910052602 gypsum Inorganic materials 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 13
- 239000000706 filtrate Substances 0.000 claims description 13
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 10
- 235000019738 Limestone Nutrition 0.000 claims description 7
- 239000006028 limestone Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 2
- 235000010261 calcium sulphite Nutrition 0.000 claims description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims 1
- 229940043430 calcium compound Drugs 0.000 claims 1
- 150000001674 calcium compounds Chemical class 0.000 claims 1
- 229910001424 calcium ion Inorganic materials 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
- 239000011575 calcium Substances 0.000 description 22
- 239000007787 solid Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 8
- 239000011734 sodium Substances 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 6
- 239000006228 supernatant Substances 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 6
- 238000005189 flocculation Methods 0.000 description 5
- 230000016615 flocculation Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57138464A JPS5929023A (ja) | 1982-08-11 | 1982-08-11 | 脱硫装置濾過水の再利用法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57138464A JPS5929023A (ja) | 1982-08-11 | 1982-08-11 | 脱硫装置濾過水の再利用法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5929023A JPS5929023A (ja) | 1984-02-16 |
| JPH0436728B2 true JPH0436728B2 (de) | 1992-06-17 |
Family
ID=15222639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57138464A Granted JPS5929023A (ja) | 1982-08-11 | 1982-08-11 | 脱硫装置濾過水の再利用法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5929023A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2711067B2 (de) * | 2012-09-25 | 2020-11-04 | Alfa Laval Corporate AB | Kombiniertes reinigungssystem und verfahren zum reduzieren von sox und nox in abgasen aus einem verbrennungsmotor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534169A (en) * | 1978-09-04 | 1980-03-10 | Babcock Hitachi Kk | Utilization method of water containing bivalent calcium |
-
1982
- 1982-08-11 JP JP57138464A patent/JPS5929023A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534169A (en) * | 1978-09-04 | 1980-03-10 | Babcock Hitachi Kk | Utilization method of water containing bivalent calcium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5929023A (ja) | 1984-02-16 |
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