CA1296865C - Method and system for purifying exhaust gas - Google Patents
Method and system for purifying exhaust gasInfo
- Publication number
- CA1296865C CA1296865C CA000487508A CA487508A CA1296865C CA 1296865 C CA1296865 C CA 1296865C CA 000487508 A CA000487508 A CA 000487508A CA 487508 A CA487508 A CA 487508A CA 1296865 C CA1296865 C CA 1296865C
- Authority
- CA
- Canada
- Prior art keywords
- particles
- absorbent
- exhaust gas
- water vapor
- cao
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 95
- 239000002250 absorbent Substances 0.000 claims abstract description 69
- 230000002745 absorbent Effects 0.000 claims abstract description 69
- 239000000126 substance Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 22
- 239000010419 fine particle Substances 0.000 claims abstract description 20
- 238000006703 hydration reaction Methods 0.000 claims abstract description 18
- 239000010459 dolomite Substances 0.000 claims abstract description 15
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 15
- 230000036571 hydration Effects 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 13
- 239000010881 fly ash Substances 0.000 claims abstract description 12
- 239000011362 coarse particle Substances 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 87
- 239000000292 calcium oxide Substances 0.000 claims description 44
- 235000012255 calcium oxide Nutrition 0.000 claims description 44
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 13
- 239000000920 calcium hydroxide Substances 0.000 claims description 13
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 13
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 13
- 235000019738 Limestone Nutrition 0.000 claims description 7
- 239000006028 limestone Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 5
- 230000000887 hydrating effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 36
- 238000002474 experimental method Methods 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 10
- 229910052925 anhydrite Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- -1 CaC12 Chemical compound 0.000 description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 5
- 229910001634 calcium fluoride Inorganic materials 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- 229910052815 sulfur oxide Inorganic materials 0.000 description 5
- 229910052905 tridymite Inorganic materials 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 235000012254 magnesium hydroxide Nutrition 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15816784A JPS6135827A (ja) | 1984-07-27 | 1984-07-27 | 乾式石灰法による排ガスの浄化方法 |
| JP158167/1984 | 1984-07-27 | ||
| JP59277996A JPS61157328A (ja) | 1984-12-28 | 1984-12-28 | 乾式ドロマイト法による排ガスの浄化方法 |
| JP277996/1984 | 1984-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1296865C true CA1296865C (en) | 1992-03-10 |
Family
ID=26485378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000487508A Expired - Lifetime CA1296865C (en) | 1984-07-27 | 1985-07-25 | Method and system for purifying exhaust gas |
Country Status (7)
| Country | Link |
|---|---|
| KR (1) | KR920003768B1 (en)van) |
| BE (1) | BE902935A (en)van) |
| CA (1) | CA1296865C (en)van) |
| DE (1) | DE3526857A1 (en)van) |
| FR (1) | FR2568141B1 (en)van) |
| GB (1) | GB2162162B (en)van) |
| IT (1) | IT1182791B (en)van) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61178022A (ja) * | 1985-02-05 | 1986-08-09 | Mitsubishi Heavy Ind Ltd | Ｓｏ↓２とｓｏ↓３とダストの同時処理方法 |
| DE3610408A1 (de) * | 1986-03-27 | 1987-10-01 | Hoelter Heinz | Zweistufiges, halbtrockenes entschwefelungsverfahren |
| DE3635027A1 (de) * | 1986-10-15 | 1988-04-28 | Steinmueller Gmbh L & C | Direktentschwefelungsverfahren mit flugstaubrueckfuehrung |
| JPH0729028B2 (ja) * | 1986-10-31 | 1995-04-05 | バブコツク日立株式会社 | 脱硝処理方法 |
| FI76931B (fi) * | 1986-12-12 | 1988-09-30 | Imatran Voima Oy | Foerfarande foer rening av roekgaser. |
| JP2686292B2 (ja) * | 1988-10-24 | 1997-12-08 | 北海道電力株式会社 | 石灰−石膏−石炭灰系水和硬化体の製造方法 |
| AT394660B (de) * | 1989-07-28 | 1992-05-25 | Staudinger Gernot | Verfahren zur entfernung bzw. verminderung von gasfoermigen schadstoffen und vorrichtung zur durchfuehrung dieses verfahrens |
| SE465955B (sv) * | 1989-08-22 | 1991-11-25 | Flaekt Ab | Saett att minska foerslitning av munstycken eller andra tillfoerselorgan vid finfoerdelning av en slurry av en partikelformig absorbent |
| JPH06198126A (ja) * | 1992-09-16 | 1994-07-19 | Hokkaido Electric Power Co Inc:The | 排ガス処理方法 |
| DE19607026A1 (de) * | 1996-02-24 | 1997-08-28 | Abb Research Ltd | Verfahren zur Abscheidung von Schadstoffen aus Rauchgasen von Müllverbrennungsanlagen |
| AT403664B (de) * | 1996-06-05 | 1998-04-27 | Austrian Energy & Environment | Verfahren zur sorption von schadstoffen, vorzugsweise aus abgasen einer biomassevergasung |
| KR20020075977A (ko) * | 2001-03-26 | 2002-10-09 | 김재곤 | 자숙굴의 제조방법 |
| CN105980036A (zh) | 2014-04-15 | 2016-09-28 | 株式会社Ihi | 脱硫装置及使用其的废气处理系统 |
| CN104826434B (zh) * | 2015-04-29 | 2017-01-18 | 李森 | 纳米团簇‑等离子体雾霾微尘脱除方法及其装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1420350A (fr) * | 1964-01-15 | 1965-12-03 | Perfectionnements apportés aux procédés pour désulfurer des gaz | |
| BE759979A (fr) * | 1965-02-10 | 1971-06-07 | Grillo Werke Ag | Procede d'elimination du soufre dans les gaz residuaires |
| GB1229415A (en)van) * | 1967-07-19 | 1971-04-21 | ||
| US3574530A (en) * | 1967-10-02 | 1971-04-13 | Pullman Inc | Method of removing sulfur dioxide from waste gases |
| SE418152B (sv) * | 1974-06-12 | 1981-05-11 | Ceskoslovenska Akademie Ved | Sett for oskadliggorande av avgaser, isynnerhet kveve- och svaveloxider, med hjelp av karbonater |
| DE2615828A1 (de) * | 1976-04-10 | 1977-10-13 | Heinz Hoelter | Verfahren und vorrichtung zur gasreinigung |
| DE2539500B2 (de) * | 1975-09-05 | 1980-06-19 | Heinz Ing.(Grad.) 4390 Gladbeck Hoelter | Verfahren zum Abscheiden von Staub und gasförmigen Schadstoffen aus heißen Abgasen sowie Vorrichtung zur Durchführung des Verfahrens |
| DE2934109A1 (de) * | 1979-08-23 | 1981-03-26 | L. & C. Steinmüller GmbH, 51643 Gummersbach | Verfahren zur trockenen behandlung von abgasstroemen in abgasreinigungssystemen |
| GB2068919A (en) * | 1980-02-12 | 1981-08-19 | Conoco Inc | Method for regenerating calcium sulfoxy compounds produced in the combustion of carbonaceous fuels in fluidized beds |
| BR8103078A (pt) * | 1980-05-24 | 1982-02-09 | Hoelter H | Processo e dispositivo para a eliminacao de anidrido sulfuroso e outras substancias nocivas de gas de fumaca |
| DE3117601A1 (de) * | 1981-05-05 | 1982-12-16 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | "trockenentschwefelungsverfahren mit sichterwirkung des endproduktes |
| US4387078A (en) * | 1981-07-22 | 1983-06-07 | Lin Ping Wha | Process for effecting removal of sulfur oxide gases from stack gases |
| US4454102A (en) * | 1981-09-18 | 1984-06-12 | Flakt Aktiebolag | Method of purifying flue gases from sulphur dioxide |
| AT372876B (de) * | 1981-11-19 | 1983-11-25 | Oesterr Draukraftwerke | Verfahren und vorrichtung zur rauchgasentschwefelung von kohlefeuerungen nach dem trocken- additivverfahren |
| US4442078A (en) * | 1982-07-07 | 1984-04-10 | The United States Of America As Represented By The United States Department Of Energy | Method of removing hydrogen sulfide from gases utilizing a zinc oxide sorbent and regenerating the sorbent |
| DE3232080C2 (de) * | 1982-08-28 | 1986-10-16 | Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen | Verfahren zur trockenen Entfernung von Schwefeldioxid und anderen Schadstoffen aus Rauchgasen |
| DE3235341A1 (de) * | 1982-09-24 | 1984-03-29 | Deutsche Babcock Anlagen Ag, 4200 Oberhausen | Verfahren zur reinigung von abgasen |
-
1985
- 1985-07-19 BE BE2/60749A patent/BE902935A/fr not_active IP Right Cessation
- 1985-07-23 GB GB08518521A patent/GB2162162B/en not_active Expired
- 1985-07-25 IT IT48410/85A patent/IT1182791B/it active
- 1985-07-25 CA CA000487508A patent/CA1296865C/en not_active Expired - Lifetime
- 1985-07-26 KR KR1019850005357A patent/KR920003768B1/ko not_active Expired
- 1985-07-26 FR FR858511479A patent/FR2568141B1/fr not_active Expired - Lifetime
- 1985-07-26 DE DE19853526857 patent/DE3526857A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2568141A1 (fr) | 1986-01-31 |
| BE902935A (fr) | 1985-11-18 |
| GB2162162B (en) | 1988-07-13 |
| KR920003768B1 (ko) | 1992-05-14 |
| IT8548410A0 (it) | 1985-07-25 |
| DE3526857C2 (en)van) | 1993-01-28 |
| GB8518521D0 (en) | 1985-08-29 |
| FR2568141B1 (fr) | 1990-03-23 |
| KR860000886A (ko) | 1986-02-20 |
| GB2162162A (en) | 1986-01-29 |
| IT1182791B (it) | 1987-10-05 |
| DE3526857A1 (de) | 1986-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |