CN1004258B - 一种从炉子的烟道气中除去气态硫化物,如二氧化硫的方法 - Google Patents
一种从炉子的烟道气中除去气态硫化物,如二氧化硫的方法 Download PDFInfo
- Publication number
- CN1004258B CN1004258B CN85107964.4A CN85107964A CN1004258B CN 1004258 B CN1004258 B CN 1004258B CN 85107964 A CN85107964 A CN 85107964A CN 1004258 B CN1004258 B CN 1004258B
- Authority
- CN
- China
- Prior art keywords
- flue gas
- stove
- sulfur dioxide
- oxide
- water
- 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
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003546 flue gas Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title description 2
- -1 sulfur dioxide Chemical class 0.000 title description 2
- 150000003464 sulfur compounds Chemical class 0.000 title 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 28
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 14
- 239000005864 Sulphur Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 14
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 11
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 6
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 2
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 19
- 239000000292 calcium oxide Substances 0.000 abstract description 15
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000395 magnesium oxide Substances 0.000 abstract description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract description 3
- 239000001095 magnesium carbonate Substances 0.000 abstract description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract description 2
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 2
- 239000004291 sulphur dioxide Substances 0.000 abstract 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000011575 calcium Substances 0.000 description 18
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 17
- 229910052791 calcium Inorganic materials 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 7
- 239000000920 calcium hydroxide Substances 0.000 description 7
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 239000004579 marble Substances 0.000 description 6
- 238000007667 floating Methods 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 235000010261 calcium sulphite Nutrition 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- LWNKHILEJJTLCI-UHFFFAOYSA-J calcium;magnesium;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Mg+2].[Ca+2] LWNKHILEJJTLCI-UHFFFAOYSA-J 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 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
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance 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
- 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
-
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/40—Magnesium sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI851622A FI78845B (fi) | 1984-11-09 | 1985-04-24 | Foerfarande foer avlaegsnande av gasformiga svavelfoereningar, saosom svaveldioxid fraon roekgaserna fraon en panna. |
NL851622 | 1985-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN85107964A CN85107964A (zh) | 1986-12-31 |
CN1004258B true CN1004258B (zh) | 1989-05-24 |
Family
ID=8520717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN85107964.4A Expired CN1004258B (zh) | 1985-04-24 | 1985-11-07 | 一种从炉子的烟道气中除去气态硫化物,如二氧化硫的方法 |
Country Status (19)
Country | Link |
---|---|
JP (1) | JPS61287419A (fi) |
CN (1) | CN1004258B (fi) |
BA (1) | BA97189B1 (fi) |
BE (1) | BE903596A (fi) |
CH (1) | CH672266A5 (fi) |
CS (1) | CS274269B2 (fi) |
DD (1) | DD239126A5 (fi) |
DE (1) | DE3539349A1 (fi) |
DK (1) | DK515385A (fi) |
ES (1) | ES8700308A1 (fi) |
FR (1) | FR2580949B1 (fi) |
HU (1) | HU202423B (fi) |
LT (1) | LT2549B (fi) |
LV (1) | LV5587A3 (fi) |
PL (1) | PL148178B1 (fi) |
RO (1) | RO93450A (fi) |
SU (1) | SU1711658A3 (fi) |
YU (1) | YU44270B (fi) |
ZA (1) | ZA858475B (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19711529A1 (de) * | 1997-03-19 | 1998-09-24 | Sueddeutsche Kalkstickstoff | Verfahren zur Entfernung von sauren Schadstoffen aus Abgasen |
US8832967B2 (en) * | 2010-03-02 | 2014-09-16 | Japan Oil, Gas And Metals National Corporation | Method for removing sulfur compounds in castable |
BE1021596B9 (fr) * | 2013-06-25 | 2018-06-18 | Lhoist Rech Et Developpement Sa | Procede et dispositif de traitement de gaz par injection de compose pulverulent. |
JP6153258B2 (ja) * | 2013-09-30 | 2017-06-28 | 太平洋セメント株式会社 | セメントキルン抽気ガスの処理方法及び塩素バイパスシステム |
CN107462077A (zh) * | 2016-06-06 | 2017-12-12 | 成都市新力设备制造有限责任公司 | 一种隧道窑烟气脱硫系统余热利用及预脱硫方法 |
CN107816731A (zh) * | 2017-11-21 | 2018-03-20 | 无锡市洗选设备厂 | 一种煤炭颗粒干燥处理装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS499471A (fi) * | 1972-05-24 | 1974-01-28 | ||
JPS50150675A (fi) * | 1974-05-25 | 1975-12-03 | ||
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 |
JPS5644023A (en) * | 1979-09-13 | 1981-04-23 | Mitsubishi Heavy Ind Ltd | Exhaust gas purifying method |
CA1152294A (en) * | 1980-10-08 | 1983-08-23 | Xuan T. Nguyen | Fluidized bed sulfur dioxide removal |
DE3136914A1 (de) * | 1981-09-17 | 1983-03-31 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | "verfahren zur rauchgasreinigung hinter kraftwerken mit gleichzeitiger herstellung von gips im trockenprozess" |
JPS5851924A (ja) * | 1981-09-24 | 1983-03-26 | Sumitomo Cement Co Ltd | 排ガスの脱硫および冷却方法 |
AT372876B (de) * | 1981-11-19 | 1983-11-25 | Oesterr Draukraftwerke | Verfahren und vorrichtung zur rauchgasentschwefelung von kohlefeuerungen nach dem trocken- additivverfahren |
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
- 1985-10-22 JP JP60236245A patent/JPS61287419A/ja active Pending
- 1985-10-24 DD DD85282040A patent/DD239126A5/de not_active IP Right Cessation
- 1985-10-24 HU HU854100A patent/HU202423B/hu not_active IP Right Cessation
- 1985-10-28 ES ES548286A patent/ES8700308A1/es not_active Expired
- 1985-11-04 FR FR858516280A patent/FR2580949B1/fr not_active Expired - Lifetime
- 1985-11-04 CH CH4723/85A patent/CH672266A5/de not_active IP Right Cessation
- 1985-11-05 ZA ZA858475A patent/ZA858475B/xx unknown
- 1985-11-06 BE BE0/215831A patent/BE903596A/fr not_active IP Right Cessation
- 1985-11-06 YU YU1730/85A patent/YU44270B/xx unknown
- 1985-11-06 DE DE19853539349 patent/DE3539349A1/de not_active Ceased
- 1985-11-06 SU SU853971542A patent/SU1711658A3/ru active
- 1985-11-07 CN CN85107964.4A patent/CN1004258B/zh not_active Expired
- 1985-11-08 PL PL1985256162A patent/PL148178B1/pl unknown
- 1985-11-08 CS CS807985A patent/CS274269B2/cs not_active IP Right Cessation
- 1985-11-08 RO RO85120718A patent/RO93450A/ro unknown
- 1985-11-08 DK DK515385A patent/DK515385A/da not_active Application Discontinuation
-
1992
- 1992-12-29 LV LV920549A patent/LV5587A3/xx unknown
-
1993
- 1993-09-28 LT LTRP1230A patent/LT2549B/xx not_active IP Right Cessation
-
1997
- 1997-08-19 BA BA970189A patent/BA97189B1/bs active
Also Published As
Publication number | Publication date |
---|---|
LT2549B (lt) | 1994-02-15 |
ZA858475B (en) | 1986-07-30 |
YU44270B (en) | 1990-04-30 |
JPS61287419A (ja) | 1986-12-17 |
HU202423B (en) | 1991-03-28 |
FR2580949A1 (fr) | 1986-10-31 |
DK515385A (da) | 1986-10-25 |
CS807985A2 (en) | 1990-09-12 |
CH672266A5 (fi) | 1989-11-15 |
RO93450A (ro) | 1987-12-31 |
SU1711658A3 (ru) | 1992-02-07 |
ES548286A0 (es) | 1986-10-01 |
CN85107964A (zh) | 1986-12-31 |
BA97189B1 (bs) | 1999-08-02 |
ES8700308A1 (es) | 1986-10-01 |
DE3539349A1 (de) | 1986-11-06 |
PL256162A1 (en) | 1986-11-04 |
DK515385D0 (da) | 1985-11-08 |
FR2580949B1 (fr) | 1990-08-03 |
CS274269B2 (en) | 1991-04-11 |
PL148178B1 (en) | 1989-09-30 |
DD239126A5 (de) | 1986-09-17 |
HUT48127A (en) | 1989-05-29 |
YU173085A (en) | 1987-10-31 |
BE903596A (fr) | 1986-03-03 |
LV5587A3 (lv) | 1994-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1005312B (zh) | 从炉子烟道气中除去气态硫化物和二氧化硫的一种方法 | |
CN1004259B (zh) | 一种能与烟道气中的气态硫化物起反应而形成固体物并能从烟道气中分离出来的方法和装置 | |
US4411879A (en) | Method for enhancing the sulfur capture potential of lime using a filter means in the flue gas | |
JPS6140452B2 (fi) | ||
CN1005866B (zh) | 环原型循环式流化床燃烧方法 | |
JPH0421524B2 (fi) | ||
CS980183A2 (en) | Zpusob odstranovani oxidu siry a jinych kyselych plynu z horkych spalin a zarizeni k provadeni tohoto zpusobu | |
CN110813070A (zh) | 循环流化床锅炉脱硫用电石渣改性剂、改性电石渣及其制备方法 | |
US4472364A (en) | Process for removal of sulfur oxides from hot gases | |
CN105561753A (zh) | 一种新型干法水泥窑烟气在线脱硫设备及工艺 | |
US5002743A (en) | Process for the removal of sulfur dioxide from hot flue gases | |
CN1004258B (zh) | 一种从炉子的烟道气中除去气态硫化物,如二氧化硫的方法 | |
RU2000124618A (ru) | Способ утилизации вторичных сырьевых материалов, содержащих железо, цинк и свинец | |
CA1092785A (en) | Process of calcining limestone lime in a rotary kiln | |
CN85109395B (zh) | 从发烟硫酸发生三氧化硫 | |
CN111977616A (zh) | 脱硫灰和脱硫石膏的协同处理方法及协同处理系统 | |
CN110975554A (zh) | 一种石灰回转窑利用窑尾灰进行烟气脱硫的方法 | |
CN113117490A (zh) | 烟气脱硫脱硝和胶凝材料生产的一体化工艺 | |
JPS5990619A (ja) | 燃焼ガスの乾式脱硫方法 | |
US4362709A (en) | Process of preparing sinter magnesia | |
US5034205A (en) | Method of removing sulphur oxides from flue gases | |
US4891194A (en) | Method for scrubbing flue gases from a firing unit | |
CN1005680B (zh) | 烟气中低浓度二氧化硫的脱除方法 | |
CN1377943A (zh) | 高温燃煤助燃固硫剂 | |
JPS57187018A (en) | Reutilizing method by circulating hot waste gas containing moisture |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C13 | Decision | ||
GR02 | Examined patent application | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |