JPS6219239B2 - - Google Patents
Info
- Publication number
- JPS6219239B2 JPS6219239B2 JP55143868A JP14386880A JPS6219239B2 JP S6219239 B2 JPS6219239 B2 JP S6219239B2 JP 55143868 A JP55143868 A JP 55143868A JP 14386880 A JP14386880 A JP 14386880A JP S6219239 B2 JPS6219239 B2 JP S6219239B2
- Authority
- JP
- Japan
- Prior art keywords
- acid
- lime
- gypsum
- compound
- exhaust gas
- 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
- 238000000034 method Methods 0.000 claims description 98
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 239000002253 acid Substances 0.000 claims description 53
- 150000001875 compounds Chemical class 0.000 claims description 52
- 229910052602 gypsum Inorganic materials 0.000 claims description 49
- 239000010440 gypsum Substances 0.000 claims description 49
- 239000002351 wastewater Substances 0.000 claims description 48
- 238000001816 cooling Methods 0.000 claims description 43
- 238000000354 decomposition reaction Methods 0.000 claims description 35
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 25
- 239000006228 supernatant Substances 0.000 claims description 25
- 239000011575 calcium Substances 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 17
- 238000011282 treatment Methods 0.000 claims description 17
- 239000002699 waste material Substances 0.000 claims description 17
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 15
- 239000003456 ion exchange resin Substances 0.000 claims description 15
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 15
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 10
- 239000004571 lime Substances 0.000 claims description 10
- 239000003957 anion exchange resin Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 239000003377 acid catalyst Substances 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 239000007789 gas Substances 0.000 description 21
- 238000005342 ion exchange Methods 0.000 description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000005345 coagulation Methods 0.000 description 11
- 230000015271 coagulation Effects 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 11
- 238000010979 pH adjustment Methods 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000004062 sedimentation Methods 0.000 description 10
- 238000006477 desulfuration reaction Methods 0.000 description 9
- 230000023556 desulfurization Effects 0.000 description 9
- 235000011121 sodium hydroxide Nutrition 0.000 description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 8
- 239000000920 calcium hydroxide Substances 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 8
- 238000006864 oxidative decomposition reaction Methods 0.000 description 8
- 230000008929 regeneration Effects 0.000 description 8
- 238000011069 regeneration method Methods 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 150000003839 salts Chemical group 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000008235 industrial water Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000006400 oxidative hydrolysis reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 229940075933 dithionate Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- -1 i.e. Chemical compound 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treating Waste Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55143868A JPS5768197A (en) | 1980-10-15 | 1980-10-15 | Treatment of waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55143868A JPS5768197A (en) | 1980-10-15 | 1980-10-15 | Treatment of waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5768197A JPS5768197A (en) | 1982-04-26 |
| JPS6219239B2 true JPS6219239B2 (ru) | 1987-04-27 |
Family
ID=15348855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55143868A Granted JPS5768197A (en) | 1980-10-15 | 1980-10-15 | Treatment of waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5768197A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0445040U (ru) * | 1990-08-13 | 1992-04-16 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5929083A (ja) * | 1982-08-09 | 1984-02-16 | Hitachi Plant Eng & Constr Co Ltd | 排水中の難分解性窒素化合物の除去方法 |
| JPS5966328A (ja) * | 1982-10-08 | 1984-04-14 | Mitsubishi Heavy Ind Ltd | 排煙脱硫廃水の処理方法 |
| JPH07100155B2 (ja) * | 1987-04-15 | 1995-11-01 | 株式会社クボタ | 有機性汚水の処理方法 |
-
1980
- 1980-10-15 JP JP55143868A patent/JPS5768197A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0445040U (ru) * | 1990-08-13 | 1992-04-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5768197A (en) | 1982-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103288236B (zh) | 含盐废水的处理方法 | |
| JPH04277074A (ja) | 硫化水素、シアン化水素及びアンモニアを含む水溶液の処理方法 | |
| US3959452A (en) | Process for removing hydrogen sulfide from contaminated gas | |
| JP3600458B2 (ja) | 排煙脱硫排水の処理方法 | |
| CN111603915B (zh) | 一种烟气净化工艺 | |
| KR19990029840A (ko) | 배연탈황배수의 처리방법 | |
| US4022869A (en) | Method for removing hydrogen chloride from exhaust gas containing same | |
| JP3572223B2 (ja) | 吸収液スラリの処理方法および排煙脱硫システム | |
| US4203835A (en) | Waste water treatment method using activated carbon | |
| KR20000017239A (ko) | 연기가스 정화 방법 | |
| JPS6219239B2 (ru) | ||
| JP5149488B2 (ja) | 熱分解ガスの処理方法 | |
| US4377557A (en) | Process for removal of sulfur oxides from waste gases | |
| JPH0975925A (ja) | 排煙脱硫排水の処理方法 | |
| JPS6254071B2 (ru) | ||
| JPS6219916B2 (ru) | ||
| JPH0123192B2 (ru) | ||
| KR100262689B1 (ko) | 배연 탈황 배수의 처리방법 | |
| 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 | |
| JPS5976592A (ja) | 排水の処理方法 | |
| JPS6232996B2 (ru) | ||
| US6180080B1 (en) | Removal of thiosulfate from Stretford solution with hydrogen peroxide | |
| JP2737610B2 (ja) | 排煙脱硫排水の処理方法 | |
| JPH0371199B2 (ru) | ||
| CN110127641B (zh) | 一种从脱硫脱硝废液中回收亚硝酸盐的方法 |