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 (ru) | 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 (ru) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO2711067T3 (ru) * | 2012-09-25 | 2018-07-28 |
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0339683B1 (en) | Process for desulphurisation of a sulphur dioxide-containing gas stream | |
CA2050974C (en) | Sulfur dioxide removal process with gypsum and magnesium hydroxide production | |
US4000991A (en) | Method of removing fly ash particulates from flue gases in a closed-loop wet scrubbing system | |
US7419643B1 (en) | Methods and apparatus for recovering gypsum and magnesium hydroxide products | |
KR100487144B1 (ko) | 연소 배기 가스의 처리 방법 및 처리 장치 | |
US5645807A (en) | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation | |
JP3600458B2 (ja) | 排煙脱硫排水の処理方法 | |
JP2001000831A (ja) | 吸収液スラリの処理方法および排煙脱硫システム | |
JP4972827B2 (ja) | 排煙脱硫排水の処理方法 | |
EP0680373B1 (en) | Method and apparatus for cleaning gases containing sulphur dioxide | |
JPH11207146A (ja) | 排煙脱硫排水からの石膏回収方法 | |
JP2923112B2 (ja) | 排煙脱硫装置の排液処理方法及び装置 | |
JPH0436728B2 (ru) | ||
JP4169497B2 (ja) | 燃焼排ガスの処理方法及び処理装置 | |
JP4869294B2 (ja) | 排ガス処理装置と排ガス処理方法 | |
JP3727366B2 (ja) | 二酸化硫黄を含むガスを浄化するための方法及び装置 | |
JP2002336642A (ja) | 湿式排ガス脱硫方法と装置 | |
JPH11267662A (ja) | 排煙脱硫排水中のフッ素除去方法 | |
JPH0716425A (ja) | 排煙脱硫方法 | |
KR100262689B1 (ko) | 배연 탈황 배수의 처리방법 | |
JPS5811094A (ja) | 排煙脱硫廃水の処理方法 | |
JPH09122440A (ja) | 純粋な亜硫酸マグネシウム生成物の生成をともなう二酸化イオウスクラビング方法 | |
JP2003266076A (ja) | フッ素含有排水の処理方法及び装置 | |
JPS60125230A (ja) | 排ガス中の亜硫酸ガスを吸収除去する湿式脱硫方法 | |
JPH0239543Y2 (ru) |