CN107737518A - A kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly - Google Patents
A kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly Download PDFInfo
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- CN107737518A CN107737518A CN201710977677.4A CN201710977677A CN107737518A CN 107737518 A CN107737518 A CN 107737518A CN 201710977677 A CN201710977677 A CN 201710977677A CN 107737518 A CN107737518 A CN 107737518A
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- sulfur dioxide
- peracetic acid
- ozone
- dioxide gas
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- 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
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
- B01D2251/1065—Organic peroxides
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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly, it is characterised in that：Comprise the following steps：（1）Sulfur dioxide gas is passed through to reactor and the Peracetic acid after atomization process is reacted；Peracetic acid and the mol ratio of sulfur dioxide gas are 3：1‑1:1；Reaction time is 1 3S, and reaction temperature is 25 DEG C 80 DEG C；（2）To step（1）Gas phase ozone is passed through in reacted reactor to be reacted；The mol ratio of ozone and sulfur dioxide gas is 3：1‑1:1, reaction temperature is 25 DEG C 80 DEG C；（3）Reacted gas absorbs through water.The present invention aoxidizes removal sulfur dioxide gas jointly using ozone and Peracetic acid, and not only reaction is simple efficient, and the removal efficiency of sulfur dioxide is high, and reaction product is environmentally friendly.
Description
Technical field
The present invention relates to a kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly, belong to environment protection method
Technical field.
Background technology
Sulfur dioxide is most common, simplest oxysulfide.One of Air Pollutant Discharge.In many industrial process
Also sulfur dioxide can be produced.Because coal and oil generally all contain element sulphur, therefore sulfur dioxide can be generated during burning.In air
In, sulfur dioxide can be aoxidized into sulfuric acid mist or sulfate aerosol, be the important predecessor of environmental acidification.Sulfur dioxide is controlled
Reason technology can desulfurization three major types after desulfurization, burning in desulfurization, burning before divided combustion.With regard to flue gas desulfurization（FGD）It is to reduce titanium dioxide
Sulfur emissions is most economical, effective means.It is applied in the method for actual removal sulfur dioxide gas and exists at present：Reaction is complicated；
Removal sulfur dioxide gas rate is low；The deficiencies of secondary pollution part be present.
The content of the invention
The purpose of the present invention is intended to make up the deficiency of existing removal sulfur dioxide gas technology, there is provided a kind of Peracetic acid and
The method that ozone aoxidizes removal sulfur dioxide gas jointly, this method can realize simple efficiently removal sulfur dioxide gas.This method
Removal sulfur dioxide gas is aoxidized using ozone and Peracetic acid jointly, not only reaction is simple efficient, and the removing of sulfur dioxide
Rate is high, and reaction product is environmentally friendly.
The purpose of the present invention and solves its technical problem underlying using following technical scheme to realize：A kind of peroxide second
The method that acid and ozone aoxidize removal sulfur dioxide gas jointly, comprises the following steps：
（1）Sulfur dioxide gas is passed through to reactor and the Peracetic acid after atomization process is reacted；Peracetic acid and dioxy
The mol ratio for changing sulphur gas is 3：1-1:1；Reaction time is 1-3S, and reaction temperature is 25 DEG C -80 DEG C；
（2）To step（1）Gas phase ozone is passed through in reacted reactor to be reacted；Mole of ozone and sulfur dioxide gas
Than for 3：1-1:1, reaction temperature is 25 DEG C -80 DEG C；
（3）Reacted gas absorbs through water.
The step（1）In, the mass fraction of Peracetic acid is 20%-40%.
The present invention has clear advantage and beneficial effect compared with prior art.From above technical scheme, this hair
In bright this method, the oxidability of ozone is extremely strong, and the reaction product of ozone is oxygen, so it is a kind of strong oxygen of high-efficiency cleaning
Agent, Peracetic acid obtain more economical simple.This method aoxidizes removal sulfur dioxide gas jointly using ozone and Peracetic acid, no
Only reaction is simple efficient, and the removal efficiency of sulfur dioxide is high, and reaction product is environmentally friendly.
Embodiment
Below in conjunction with preferred embodiment, to aoxidizing de- dioxy jointly according to a kind of Peracetic acid proposed by the present invention and ozone
Change method embodiment, feature and its effect of sulphur gas, describe in detail as after.
A kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly, comprises the following steps：
（1）Sulfur dioxide gas is passed through to reactor and the Peracetic acid after atomization process is reacted；Peracetic acid and dioxy
The mol ratio for changing sulphur gas is 3：1-1:1；Reaction time is 1-3S, and reaction temperature is 25 DEG C -80 DEG C；
（2）To step（1）Gas phase ozone is passed through in reacted reactor to be reacted；Mole of ozone and sulfur dioxide gas
Than for 3：1-1:1, reaction temperature is 25 DEG C -80 DEG C；
（3）Reacted gas absorbs through water.
The step（1）In, the mass fraction of Peracetic acid is 20%-40%.
Embodiment 1：Sulfur dioxide gas and the Peracetic acid reaction after atomization process are passed first into, wherein：Negate
The reaction temperature for answering device is 25 DEG C；Peracetic acid and the mol ratio of sulfur dioxide gas are 3：1；Reaction time is 3S；Peroxide second
The mass fraction of acid is passed through sulfur dioxide gas and the Peracetic acid reaction after atomization process for 20%, then proceedes to be passed through
Gas phase ozone is reacted, wherein：It is 25 DEG C to take with the reaction temperature of gas phase ozone；The mol ratio of ozone and sulfur dioxide gas
For 1:1；Reaction time is 2S, is absorbed after the completion of reaction by water.Using this method, the removal efficiency for measuring sulfur dioxide is 94%.
Embodiment 2：Sulfur dioxide gas and the Peracetic acid reaction after atomization process are first passed through, wherein：Negating should
The reaction temperature of device is 40 DEG C；Peracetic acid and the mol ratio of sulfur dioxide gas are 2：1；Reaction time is 1S；Peracetic acid
Mass fraction for 30% be passed through sulfur dioxide gas and after atomization process Peracetic acid reaction, then proceed to be passed through gas
Phase ozone is reacted, wherein：It is 40 DEG C to take with the reaction temperature of gas phase ozone；The mol ratio of ozone and sulfur dioxide gas is
1:1；Reaction time is 1S, is absorbed after the completion of reaction by water.Using this method, the removal efficiency for measuring sulfur dioxide is 98%.
Embodiment 3：Sulfur dioxide gas and the Peracetic acid reaction after atomization process are first passed through, wherein：Negating should
The reaction temperature of device is 60 DEG C；Peracetic acid and the mol ratio of sulfur dioxide gas are 2：1；Reaction time is 2S；Peracetic acid
Mass fraction for 40% be passed through sulfur dioxide gas and after atomization process Peracetic acid reaction, then proceed to be passed through gas
Phase ozone is reacted, wherein：It is 60 DEG C to take with the reaction temperature of gas phase ozone；The mol ratio of ozone and sulfur dioxide gas is
2:1；Reaction time is 1S, is absorbed after the completion of reaction by water.Using this method, the removal efficiency for measuring sulfur dioxide is 100%.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention, appoint
Without departing from technical solution of the present invention content, what the technical spirit according to the present invention was made to above example any simply repaiies for what
Change, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (2)
1. a kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly, it is characterised in that：Comprise the following steps：
（1）Sulfur dioxide gas is passed through to reactor and the Peracetic acid after atomization process is reacted；Peracetic acid and dioxy
The mol ratio for changing sulphur gas is 3：1-1:1；Reaction time is 1-3S, and reaction temperature is 25 DEG C -80 DEG C；
（2）To step（1）Gas phase ozone is passed through in reacted reactor to be reacted；Mole of ozone and sulfur dioxide gas
Than for 3：1-1:1, reaction temperature is 25 DEG C -80 DEG C；
（3）Reacted gas absorbs through water.
2. the method that a kind of Peracetic acid according to claim 1 and ozone aoxidize removal sulfur dioxide gas jointly, it is special
Sign is：The step（1）In, the mass fraction of Peracetic acid is 20%-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710977677.4A CN107737518A (en) | 2017-10-19 | 2017-10-19 | A kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710977677.4A CN107737518A (en) | 2017-10-19 | 2017-10-19 | A kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly |
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| Publication Number | Publication Date |
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| CN107737518A true CN107737518A (en) | 2018-02-27 |
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| CN201710977677.4A Pending CN107737518A (en) | 2017-10-19 | 2017-10-19 | A kind of method that Peracetic acid and ozone aoxidize removal sulfur dioxide gas jointly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443170A (en) * | 2020-05-21 | 2020-07-24 | 无锡诺信安全科技有限公司 | System and method for detecting sulfur oxides in air |
| CN115504959A (en) * | 2022-10-22 | 2022-12-23 | 山东师范大学 | Safe and clean synthesis method of vinyl sulfate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274823A1 (en) * | 1986-11-14 | 1988-07-20 | Southern Water Services Limited | Improvements in methods and compositions for gas deodorisation |
| US5639434A (en) * | 1994-09-19 | 1997-06-17 | Tampella Power Oy | Process for removing nitrogen oxides from the flue gases of a pulp mill |
| CN103638809A (en) * | 2013-12-13 | 2014-03-19 | 江苏大学 | Method and system for removing mercury from optical flue with air cooling device |
| US20160023927A1 (en) * | 2014-07-23 | 2016-01-28 | Ecolab Usa Inc. | Hydrogen sulfide abatement in geothermal facilities |
| CN105771600A (en) * | 2016-04-12 | 2016-07-20 | 刘杨先 | Method and device for integrally removing multiple pollutants in tail gas through plant ash seriflux |
| CN106390711A (en) * | 2016-06-21 | 2017-02-15 | 秦皇岛玻璃工业研究设计院 | A denitration oxidant for glass melting furnace flue gas, a denitration device and a denitration method |
-
2017
- 2017-10-19 CN CN201710977677.4A patent/CN107737518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274823A1 (en) * | 1986-11-14 | 1988-07-20 | Southern Water Services Limited | Improvements in methods and compositions for gas deodorisation |
| US5639434A (en) * | 1994-09-19 | 1997-06-17 | Tampella Power Oy | Process for removing nitrogen oxides from the flue gases of a pulp mill |
| CN103638809A (en) * | 2013-12-13 | 2014-03-19 | 江苏大学 | Method and system for removing mercury from optical flue with air cooling device |
| US20160023927A1 (en) * | 2014-07-23 | 2016-01-28 | Ecolab Usa Inc. | Hydrogen sulfide abatement in geothermal facilities |
| CN105771600A (en) * | 2016-04-12 | 2016-07-20 | 刘杨先 | Method and device for integrally removing multiple pollutants in tail gas through plant ash seriflux |
| CN106390711A (en) * | 2016-06-21 | 2017-02-15 | 秦皇岛玻璃工业研究设计院 | A denitration oxidant for glass melting furnace flue gas, a denitration device and a denitration method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443170A (en) * | 2020-05-21 | 2020-07-24 | 无锡诺信安全科技有限公司 | System and method for detecting sulfur oxides in air |
| CN115504959A (en) * | 2022-10-22 | 2022-12-23 | 山东师范大学 | Safe and clean synthesis method of vinyl sulfate |
| CN115504959B (en) * | 2022-10-22 | 2023-06-27 | 山东师范大学 | Synthesis method of vinyl sulfate |
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Application publication date: 20180227 |