CN107583460A - Sewage Disposal VOC gas processing method - Google Patents
Sewage Disposal VOC gas processing method Download PDFInfo
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- CN107583460A CN107583460A CN201710944813.XA CN201710944813A CN107583460A CN 107583460 A CN107583460 A CN 107583460A CN 201710944813 A CN201710944813 A CN 201710944813A CN 107583460 A CN107583460 A CN 107583460A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of Sewage Disposal VOC gas processing method, it is related to technical field of waste gas treatment, the present invention adds photooxidation ionic catalysis to aoxidize equipment integrating using two level XJ XQ series multifunctionals gas cleaners and XJ DG series plasma deodorizations, wherein alkali cleaning and oxidant washing is respectively adopted in Multifunctional washing mechanism of qi, according to live air quantity, Multifunctional washing mechanism of qi selects two sets of model devices of XJ XQ 15, and plasma deodorization adds photooxidation ionic catalysis oxidation equipment integrating to select the model devices of XJ DG 35.Generation of this method exhaust-gas treatment from source reduction exhaust emission；Blocking simultaneously targetedly optimizes waste gas treatment equipment, simplifies waste gas treatment process, reduces labor operations, reduces economic input；Sewage Disposal VOC gas can be discharged in air after treatment, reduce pollution.
Description
Technical field：
The present invention relates to technical field of waste gas treatment, and in particular to Sewage Disposal VOC gas processing method.
Background technology：
Main dusty gas in waste gas is the pollutants such as NH3, the H2S to give an offensive smell, is engaged according to the industry at waste gas
From the point of view of the engineering experience of reason, pond waste gas tolerance is different from the calculating of workshop waste gas, and usual workshop tolerance is according to every
Between hour rate of ventilation 10-15 times, due to having worker in workshop, therefore rate of ventilation is higher, but pond is changed
Gas is different from this, need to only keep micro-vacuum state in pond, that is, the waste gas sealed in pond will not be connected by cover plate etc.
Spread out in the gap at place, but diffused into by the gap come in view of above-mentioned analysis, the drawing provided according to owner, institute
It is about 4285m to have the pond gross area2And the height between cover plate and the water surface is about 2m, gas volume 8570m3, each pond is pressed
Calculated according to rate of ventilation four times per hour, total discharge amount of exhaust gas is 34280m3, consider system margin, this project design air flow
For 35000m3/h。
The content of the invention：
The technical problems to be solved by the invention are to provide Sewage Disposal VOC gas processing method.
Volatile organic waste gas caused by Sewage Disposal process is mainly the NH to give an offensive smell3、H2The pollutants such as S.
The technical problems to be solved by the invention are realized using following technical scheme：
For Sewage Disposal characteristic contamination NH3, H2S etc. removal, the present invention is using the more work(of two level XJ-XQ series
Energy gas cleaner and XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and wherein Multifunctional washing mechanism of qi is distinguished
Washed using alkali cleaning and oxidant, according to live air quantity, Multifunctional washing mechanism of qi selects two sets of XJ-XQ-15 model devices, plasma
Deodorization adds photooxidation ionic catalysis oxidation equipment integrating to select XJ-DG-35 model devices.
XJ-XQ series multifunctional gas cleaners：XJ-XQ series multifunctionals gas cleaner using the contact between gas and liquid, and
Pollutant in gas is sent in liquid, then clean gas is separated with contaminated liquids again, reaches pure air
Purpose.Waste gas is handled using gas-liquid conversed absorption pattern, i.e., liquid from tower top downwards with vaporific or droplet sprays and under, give up
Gas then makes gas-liquid contact by tower body reverse flow.This processing method can absorb waste gas, regulation gas and removes particle, then by demisting
After section processing, into next stage processing equipment.
XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating：Plasma deodorization technology is in electric field
Acceleration under, produce high energy electron, when averaged electron energy exceed target administer thing molecular chemistry bond energy when, molecular link breaks
Split, reach the purpose for eliminating gaseous contaminant.The 1980's, the high-voltage pulse electric that Tokyo Univ Japan professor S.Masuda proposes
Corona method is that the most simple of low temperature plasma, most efficient method are obtained under normal temperature and pressure.It turns into current research
Forward position, also just more and more it is used for the improvement of gaseous contaminant.
During Plasma chemical reaction, plasma transmit chemical energy course of reaction in energy transmission substantially such as
Under：
(1) electric field+electronics → high energy electron
(2) high energy electron+molecule (or atom) → (excited atom, being excited group, free group) active group
(3) active group+molecule (atom) → product+heat
(4) active group+active group → product+heat.
From above procedure as can be seen that electronics obtains energy from electric field first, transferred energy into by exciting or ionizing
In molecule or atom, the molecule or atom that obtain energy are excited, while have moieties to be ionized, so as to turn into active group
Group；Mutual collision rift generation stable product between these active groups and molecule or atom, active group and active group afterwards
And heat.In addition, high energy electron also can turn into anion by the stronger materials capture of the electron affinities such as halogen and oxygen.It is this kind of
Anion has good chemism, is played an important role in chemical reaction.
By ultraviolet light in nano-TiO in photooxidation ionic catalysis oxidation furnaces2Electron hole is produced on photochemical catalyst
It is right, the moisture content (H with adsorption2) and oxygen (O O2) react the hydroxyl radical free radical (OH-) and super oxygen for generating oxidisability ripple very living
Ion radical (O2-、0-).Can be various waste odour-gas bodies such as aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC
Type organic, inorganic matter are reduced into carbon dioxide (CO in the presence of photochemical catalytic oxidation2), water (H2O it is) and other nontoxic
Material, at the same have deodorization, sterilization, sterilization the effect of, due to during photocatalysis oxidation reaction without any additive, so
Secondary pollution will not be produced.
Nano-photo catalytic catalyst material (TiO in the equipment2) it is after one kind absorbs luminous energy, catalysis can be produced on its surface
The material of reaction, as the ultraviolet light photocatalysis catalyst material (TiO of specific nano wave length2) when, its surface occur photooxidation from
Muonic catalysis redox reaction.Photocatalysis catalyst material (TiO2) absorb and produce electronics (E on its surface after photon-) and hole (H+), the luminous energy of absorption is changed into chemical energy, i.e., with photocatalysis.
As photocatalysis catalyst material (TiO2) when being contacted with the water in air, H is just adsorbed on surface2O、O2、 OH-, H2O、OH-
By hole (H+) aoxidized, O2By electronics (E-) reduction, OH-The oxidability of group is stronger, makes oxidation operation, final to decompose
For water and CO2。
The Sewage Disposal waste-gas treatment process flow：
Waste gas first enters firsts and seconds XJ-XQ series multifunctional gas cleaners by collection system after collection, gas with
Contact between liquid, and the pollutant in gas is sent in liquid, then again by clean gas and contaminated liquids point
From reaching the purpose of pure air.Waste gas using gas-liquid conversed absorption pattern handle, i.e., liquid from tower top downwards with vaporific or small
Drop spray and under, waste gas then makes gas-liquid contact by tower body reverse flow, and most of aqueous vapor, which is condensed, to be formed droplet and enter with spray liquid
Entering bottom of towe, this processing method can absorb waste gas, regulation gas and removes particle, then after the processing of demisting section, into next stage
Processing equipment XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and contaminant remaining is in one in waste gas
Further it is removed under the leading portion plasma electric field action of equipment, subsequently into the back segment of equipment integrating, pollutant leads in waste gas
Ultraviolet light is crossed in nano-TiO2Electron hole pair is produced on photochemical catalyst, the moisture content (H with adsorption2) and oxygen (O O2)
The hydroxyl radical free radical (OH-) and Superoxide anion free radical (O of reaction generation oxidisability ripple very living2-、0-).Can be various useless smelly
Gas such as aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC type organics, inorganic matter photochemical catalytic oxidation work
Carbon dioxide (CO is reduced under2), water (H2O) and other nontoxic materials, while there is deodorization, sterilization, the work(of sterilization
Effect, because, without any additive, so secondary pollution will not be produced, last remaining cleaning is empty during photocatalysis oxidation reaction
Gas passes through smoke stack emission.
Sewage Disposal exhaust-gas treatment primary abatement equipment is shown in Table 1：
The Sewage Disposal exhaust-gas treatment primary abatement equipment of table 1
| Sequence number | Title | Unit | Quantity |
| 1 | XJ-XQ-35 Multifunctional washing mechanisms of qi | Set | 2 |
| 2 | XJ-DG-35 low-temperature plasmas+photooxidation ionic catalysis oxidation furnaces | Set | 1 |
| 3 | Centrifugal blower | Platform | 1 |
| 4 | Chimney | Batch | 1 |
| 5 | Equipment room connecting line | Batch | 1 |
| 6 | Switch board | Platform | 1 |
| 7 | Installation | Batch | 1 |
| 8 | Transport | Batch | 1 |
The beneficial effects of the invention are as follows：
1st, process for cleanly preparing transformation, the generation to progressively cutting down exhaust emission in sewage disposal process are implemented；
2nd, blocking and targetedly optimize waste gas treatment equipment, simplify waste gas treatment process, reduce labor operations, subtract
Few economic input；
3rd, Sewage Disposal waste gas can be discharged in air after treatment, reduce pollution, be that manufacturing enterprise's waste gas discharge reaches
Mark.
Brief description of the drawings
Fig. 1 waste-gas treatment process flow figures；
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
Sewage Disposal VOC gas processing method：
The technical problems to be solved by the invention are realized using following technical scheme：
For Sewage Disposal characteristic contamination NH3、H2S etc. removal, the present invention use two level XJ-XQ series multifunctionals
Gas cleaner and XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and wherein Multifunctional washing mechanism of qi is adopted respectively
Washed with alkali cleaning and oxidant, according to live air quantity, Multifunctional washing mechanism of qi selects two sets of XJ-XQ-15 model devices, and plasma removes
Smelly plus photooxidation ionic catalysis oxidation equipment integrating selects XJ-DG-35 model devices.
XJ-XQ series multifunctional gas cleaners：XJ-XQ series multifunctionals gas cleaner using the contact between gas and liquid, and
Pollutant in gas is sent in liquid, then clean gas is separated with contaminated liquids again, reaches pure air
Purpose.Waste gas is handled using gas-liquid conversed absorption pattern, i.e., liquid from tower top downwards with vaporific or droplet sprays and under, give up
Gas then makes gas-liquid contact by tower body reverse flow.This processing method can absorb waste gas, regulation gas and removes particle, then by demisting
After section processing, into next stage processing equipment.
XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating：Plasma deodorization technology is in electric field
Acceleration under, produce high energy electron, when averaged electron energy exceed target administer thing molecular chemistry bond energy when, molecular link breaks
Split, reach the purpose for eliminating gaseous contaminant.The 1980's, the high-voltage pulse electric that Tokyo Univ Japan professor S.Masuda proposes
Corona method is that the most simple of low temperature plasma, most efficient method are obtained under normal temperature and pressure.It turns into current research
Forward position, also just more and more it is used for the improvement of gaseous contaminant.
During Plasma chemical reaction, plasma transmit chemical energy course of reaction in energy transmission substantially such as
Under：
(1) electric field+electronics → high energy electron
(2) high energy electron+molecule (or atom) → (excited atom, being excited group, free group) active group
(3) active group+molecule (atom) → product+heat
(4) active group+active group → product+heat.
From above procedure as can be seen that electronics obtains energy from electric field first, transferred energy into by exciting or ionizing
In molecule or atom, the molecule or atom that obtain energy are excited, while have moieties to be ionized, so as to turn into active group
Group；Mutual collision rift generation stable product between these active groups and molecule or atom, active group and active group afterwards
And heat.In addition, high energy electron also can turn into anion by the stronger materials capture of the electron affinities such as halogen and oxygen.It is this kind of
Anion has good chemism, is played an important role in chemical reaction.
By ultraviolet light in nano-TiO in photooxidation ionic catalysis oxidation furnaces2Electron hole is produced on photochemical catalyst
It is right, the moisture content (H with adsorption2) and oxygen (O O2) react the hydroxyl radical free radical (OH-) and super oxygen for generating oxidisability ripple very living
Ion radical (O2-、0-).Can be various waste odour-gas bodies such as aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC
Type organic, inorganic matter are reduced into carbon dioxide (CO in the presence of photochemical catalytic oxidation2), water (H2O it is) and other nontoxic
Material, at the same have deodorization, sterilization, sterilization the effect of, due to during photocatalysis oxidation reaction without any additive, so
Secondary pollution will not be produced.
Nano-photo catalytic catalyst material (TiO in the equipment2) it is after one kind absorbs luminous energy, catalysis can be produced on its surface
The material of reaction, as the ultraviolet light photocatalysis catalyst material (TiO of specific nano wave length2) when, its surface occur photooxidation from
Muonic catalysis redox reaction.Photocatalysis catalyst material (TiO2) absorb and produce electronics (E on its surface after photon-) and hole (H+), the luminous energy of absorption is changed into chemical energy, i.e., with photocatalysis.
As photocatalysis catalyst material (TiO2) when being contacted with the water in air, H is just adsorbed on surface2O、O2、 OH-, H2O、OH-
By hole (H+) aoxidized, O2By electronics (E-) reduction, OH-The oxidability of group is stronger, makes oxidation operation, final to decompose
For water and CO2。
The Sewage Disposal waste-gas treatment process flow：
Waste gas first enters firsts and seconds XJ-XQ series multifunctional gas cleaners by collection system after collection, gas with
Contact between liquid, and the pollutant in gas is sent in liquid, then again by clean gas and contaminated liquids point
From reaching the purpose of pure air.Waste gas using gas-liquid conversed absorption pattern handle, i.e., liquid from tower top downwards with vaporific or small
Drop spray and under, waste gas then makes gas-liquid contact by tower body reverse flow, and most of aqueous vapor, which is condensed, to be formed droplet and enter with spray liquid
Entering bottom of towe, this processing method can absorb waste gas, regulation gas and removes particle, then after the processing of demisting section, into next stage
Processing equipment XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and contaminant remaining is in one in waste gas
Further it is removed under the leading portion plasma electric field action of equipment, subsequently into the back segment of equipment integrating, pollutant leads in waste gas
Ultraviolet light is crossed in nano-TiO2Electron hole pair is produced on photochemical catalyst, the moisture content (H with adsorption2) and oxygen (O O2)
The hydroxyl radical free radical (OH-) and Superoxide anion free radical (O of reaction generation oxidisability ripple very living2-、0-).Can be various useless smelly
Gas such as aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC type organics, inorganic matter photochemical catalytic oxidation work
Carbon dioxide (CO is reduced under2), water (H2O) and other nontoxic materials, while there is deodorization, sterilization, the work(of sterilization
Effect, because, without any additive, so secondary pollution will not be produced, last remaining cleaning is empty during photocatalysis oxidation reaction
Gas passes through smoke stack emission.
The specific discharge index of pollution from exhaust emission thing after processing：Outlet drain standard reach NMHC concentration≤
120mg/m3, stench dimensionless 2000；Other waste gas organic emission standards are pressed simultaneously《Petro chemical industry pollutant emission mark
It is accurate》GB31571-2015 and《Emission standard for odor pollutants》GB14554-93 is performed.Examination criteria is shown in Table 1-1, level detection knot
Fruit is shown in Table 1-2
Table 1-1 blast pipe pollutant emission examination criterias (mg/m3)
Table 1-2 blast pipe pollutant emission testing results (mg/m3)
Embodiment 2
Sewage Disposal VOC gas processing method：
The technical problems to be solved by the invention are realized using following technical scheme：
For Sewage Disposal characteristic contamination NH3, H2S etc. removal, the present invention is using the more work(of two level XJ-XQ series
Energy gas cleaner and XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and wherein Multifunctional washing mechanism of qi is distinguished
Washed using alkali cleaning and oxidant, according to live air quantity, Multifunctional washing mechanism of qi selects two sets of XJ-XQ-15 model devices, plasma
Deodorization adds photooxidation ionic catalysis oxidation equipment integrating to select XJ-DG-35 model devices.
XJ-XQ series multifunctional gas cleaners：XJ-XQ series multifunctionals gas cleaner using the contact between gas and liquid, and
Pollutant in gas is sent in liquid, then clean gas is separated with contaminated liquids again, reaches pure air
Purpose.Waste gas is handled using gas-liquid conversed absorption pattern, i.e., liquid from tower top downwards with vaporific or droplet sprays and under, give up
Gas then makes gas-liquid contact by tower body reverse flow.This processing method can absorb waste gas, regulation gas and removes particle, then by demisting
After section processing, into next stage processing equipment.
XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating：Plasma deodorization technology is in electric field
Acceleration under, produce high energy electron, when averaged electron energy exceed target administer thing molecular chemistry bond energy when, molecular link breaks
Split, reach the purpose for eliminating gaseous contaminant.The 1980's, the high-voltage pulse electric that Tokyo Univ Japan professor S.Masuda proposes
Corona method is that the most simple of low temperature plasma, most efficient method are obtained under normal temperature and pressure.It turns into current research
Forward position, also just more and more it is used for the improvement of gaseous contaminant.
During Plasma chemical reaction, plasma transmit chemical energy course of reaction in energy transmission substantially such as
Under：
(1) electric field+electronics → high energy electron
(2) high energy electron+molecule (or atom) → (excited atom, being excited group, free group) active group
(3) active group+molecule (atom) → product+heat
(4) active group+active group → product+heat.
From above procedure as can be seen that electronics obtains energy from electric field first, transferred energy into by exciting or ionizing
In molecule or atom, the molecule or atom that obtain energy are excited, while have moieties to be ionized, so as to turn into active group
Group；Mutual collision rift generation stable product between these active groups and molecule or atom, active group and active group afterwards
And heat.In addition, high energy electron also can turn into anion by the stronger materials capture of the electron affinities such as halogen and oxygen.It is this kind of
Anion has good chemism, is played an important role in chemical reaction.
By ultraviolet light in nano-TiO in photooxidation ionic catalysis oxidation furnaces2Electron hole is produced on photochemical catalyst
It is right, the moisture content (H with adsorption2) and oxygen (O O2) react the hydroxyl radical free radical (OH-) and super oxygen for generating oxidisability ripple very living
Ion radical (O2-、0-).Can be various waste odour-gas bodies such as aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC
Type organic, inorganic matter are reduced into carbon dioxide (CO in the presence of photochemical catalytic oxidation2), water (H2O it is) and other nontoxic
Material, at the same have deodorization, sterilization, sterilization the effect of, due to during photocatalysis oxidation reaction without any additive, so
Secondary pollution will not be produced.
Nano-photo catalytic catalyst material (TiO in the equipment2) it is after one kind absorbs luminous energy, catalysis can be produced on its surface
The material of reaction, as the ultraviolet light photocatalysis catalyst material (TiO of specific nano wave length2) when, its surface occur photooxidation from
Muonic catalysis redox reaction.Photocatalysis catalyst material (TiO2) absorb and produce electronics (E on its surface after photon-) and hole (H+), the luminous energy of absorption is changed into chemical energy, i.e., with photocatalysis.
As photocatalysis catalyst material (TiO2) when being contacted with the water in air, H is just adsorbed on surface2O、O2、 OH-, H2O、OH-
By hole (H+) aoxidized, O2By electronics (E-) reduction, OH-The oxidability of group is stronger, makes oxidation operation, final to decompose
For water and CO2。
The Sewage Disposal waste-gas treatment process flow：
Waste gas first enters firsts and seconds XJ-XQ series multifunctional gas cleaners by collection system after collection, gas with
Contact between liquid, and the pollutant in gas is sent in liquid, then again by clean gas and contaminated liquids point
From reaching the purpose of pure air.Waste gas using gas-liquid conversed absorption pattern handle, i.e., liquid from tower top downwards with vaporific or small
Drop spray and under, waste gas then makes gas-liquid contact by tower body reverse flow, and most of aqueous vapor, which is condensed, to be formed droplet and enter with spray liquid
Entering bottom of towe, this processing method can absorb waste gas, regulation gas and removes particle, then after the processing of demisting section, into next stage
Processing equipment XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and contaminant remaining is in one in waste gas
Further it is removed under the leading portion plasma electric field action of equipment, subsequently into the back segment of equipment integrating, pollutant leads in waste gas
Ultraviolet light is crossed in nano-TiO2Electron hole pair is produced on photochemical catalyst, the moisture content (H with adsorption2) and oxygen (O O2)
The hydroxyl radical free radical (OH-) and Superoxide anion free radical (O of reaction generation oxidisability ripple very living2-、0-).Can be various useless smelly
Gas such as aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC type organics, inorganic matter photochemical catalytic oxidation work
Carbon dioxide (CO is reduced under2), water (H2O) and other nontoxic materials, while there is deodorization, sterilization, the work(of sterilization
Effect, because, without any additive, so secondary pollution will not be produced, last remaining cleaning is empty during photocatalysis oxidation reaction
Gas passes through smoke stack emission.
The specific discharge index of pollution from exhaust emission thing after processing：Outlet drain standard reach NMHC concentration≤
120mg/m3, stench dimensionless 2000；Other waste gas organic emission standards are pressed simultaneously《Petro chemical industry pollutant emission mark
It is accurate》GB31571-2015 and《Emission standard for odor pollutants》GB14554-93 is performed.Examination criteria is shown in Table 1-1, level detection knot
Fruit is shown in Table 2-2
Table 2-1 blast pipe pollutant emission examination criterias (mg/m3)
Table 2-2 blast pipe pollutant emission testing results (mg/m3)
It can be learnt by result above：After Sewage Disposal waste gas VOC is handled by processing method of the present invention, NH3、
H2S, odor concentration concentration of emission reaches discharge standard index, and technique is simple, and exhaust-gas treatment is thorough, and environmental pollution is small；It is and single
Memberization simultaneously targetedly optimizes waste gas treatment equipment, simplifies waste gas treatment process, reduces labor operations, reduces economic input.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. Sewage Disposal VOC gas processing method, it is characterised in that：The present invention uses two level XJ-XQ series multifunctional gas washings
Machine and XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and alkali is respectively adopted in wherein Multifunctional washing mechanism of qi
Wash and washed with oxidant, according to live air quantity, Multifunctional washing mechanism of qi selects two sets of XJ-XQ-15 model devices, and plasma deodorization adds
Photooxidation ionic catalysis oxidation equipment integrating selects XJ-DG-35 model devices.
2. Sewage Disposal VOC gas processing method, it is characterised in that：The Sewage Disposal waste-gas treatment process flow：
Waste gas enters firsts and seconds XJ-XQ series multifunctional gas cleaners, gas and liquid by collection system first after collection
Between contact, and the pollutant in gas is sent in liquid, then clean gas is separated with contaminated liquids again, reached
To the purpose of pure air；Waste gas using gas-liquid conversed absorption pattern handle, i.e., liquid from tower top downwards with vaporific or droplet
Spray and under, waste gas then makes gas-liquid contact by tower body reverse flow, and most of aqueous vapor, which is condensed, to be formed droplet and enter tower with spray liquid
Bottom, this processing method can absorb waste gas, regulation gas and remove particle, then after the processing of demisting section, into next stage processing
Equipment XJ-DG series plasma deodorizations add photooxidation ionic catalysis to aoxidize equipment integrating, and contaminant remaining is in equipment integrating in waste gas
Leading portion plasma electric field action under be further removed, subsequently into the back segment of equipment integrating, pollutant passes through purple in waste gas
Outer light irradiation is in nano-TiO2Electron hole pair is produced on photochemical catalyst, the moisture content (H with adsorption2) and oxygen (O O2) reaction
Generate the hydroxyl radical free radical (OH-) and Superoxide anion free radical (O of oxidisability ripple very living2-、0-)；Can be various waste odour-gas bodies
If aldehydes, benzene class, Ammonia, nitrogen oxides, sulfide and other VOC type organics, inorganic matter are in the presence of photochemical catalytic oxidation
It is reduced into carbon dioxide (CO2), water (H2O) and other nontoxic materials, while there is the effect of deodorization, sterilization, sterilization,
Due to during photocatalysis oxidation reaction without any additive, so secondary pollution will not be produced, last remaining pure air
Pass through smoke stack emission.
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| CN201710944813.XA CN107583460A (en) | 2017-09-30 | 2017-09-30 | Sewage Disposal VOC gas processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452668A (en) * | 2018-03-02 | 2018-08-28 | 山东派力迪环保工程有限公司 | Coke-oven plant's sewage plant waste gas treatment process |
| CN113648825A (en) * | 2021-08-11 | 2021-11-16 | 河北科技大学 | Technical method for purifying high-humidity chemical medicine VOCs and peculiar smell tail gas |
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| CN201200858Y (en) * | 2008-05-09 | 2009-03-04 | 屈庆瑾 | Low-temperature plasma + composite photocatalysis industrial waste gas treater |
| CN105833642A (en) * | 2016-04-27 | 2016-08-10 | 中国海洋石油总公司 | Waste gas purification treatment system and method in sewage treatment station |
| CN205796850U (en) * | 2016-06-14 | 2016-12-14 | 江苏赛欧环保设备有限公司 | A kind of chemical engineering sewage station exhaust treatment system |
| CN106902636A (en) * | 2017-05-09 | 2017-06-30 | 成都慧利环保科技有限公司 | Sewage Disposal odor treating device |
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Application publication date: 20180116 |