CN105536481B - Circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and treatment method - Google Patents
Circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and treatment method Download PDFInfo
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- CN105536481B CN105536481B CN201610044700.XA CN201610044700A CN105536481B CN 105536481 B CN105536481 B CN 105536481B CN 201610044700 A CN201610044700 A CN 201610044700A CN 105536481 B CN105536481 B CN 105536481B
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 74
- 239000007789 gas Substances 0.000 title claims abstract description 52
- 238000005507 spraying Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003647 oxidation Effects 0.000 title claims description 27
- 239000010815 organic waste Substances 0.000 title abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 74
- 239000012028 Fenton's reagent Substances 0.000 claims abstract description 66
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 22
- 125000004122 cyclic group Chemical group 0.000 claims description 19
- 229910001882 dioxygen Inorganic materials 0.000 claims description 13
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 12
- 239000005416 organic matter Substances 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 150000003384 small molecules Chemical class 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- -1 hydroxyl radical free radical Chemical class 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000008096 xylene 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
- B01D53/74—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
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a treatment system and a treatment method for circularly spraying ultraviolet/Fenton oxidized organic waste gas, wherein the treatment device comprises a spraying oxidation reaction chamber, an induced draft fan and a hydrogen peroxide adding device, the top of the spraying oxidation reaction chamber is provided with an exhaust port, the lower part of the spraying oxidation reaction chamber is respectively provided with a hydrogen peroxide inlet, an air inlet and a Fenton reagent outlet, and the upper part of the spraying oxidation reaction chamber is provided with a Fenton reagent inlet; the induced draft fan is connected with the air inlet, and the hydrogen peroxide adding device is connected with the hydrogen peroxide adding device through the pressure pumpThe oxygen water inlet is connected; the Fenton reagent outlet is connected with the Fenton reagent inlet through a circulating pump; the inner cavity of the spray oxidation reaction chamber is filled with a Fenton reagent, and a spray device is arranged above the inner cavity of the spray oxidation reaction chamber and is connected with a Fenton reagent inlet; and a plurality of ultraviolet lamp tubes are arranged on the inner wall of the spraying oxidation reaction chamber above the liquid level of the Fenton reagent and below the spraying device, and are arranged on the inner wall of the spraying oxidation reaction chamber in a mutually parallel and crossed manner. The method is simple to operate, and the Fe in the Fenton reagent is recycled2+Increase H2O2Utilization ratio.
Description
Technical field
The present invention relates to a kind of ultraviolet Fenton oxidation organic waste gas treatment system of cyclic spraying and processing methods, can go
It is smelly suitable for processing industrial waste gas, rubbish and sewage except multiple pollutants such as sulfur dioxide, nitric oxide and volatile organic matters
Gas.
Background technology
Traditional Fenton reagent method is to contain Fe2+Acid solution in add H2O2When, in Fe2+Catalyst action
Under, H2O2The very strong hydroxyl radical free radical of activity (OH) can be generated, and then causes and propagates a series of radical chain reaction,
Accelerate the oxidation to organic matter and reducing substances.The principle of Fenton reagent method processing organic exhaust gas is organic exhaust gas first from gas
Phase mass transfer then passes through boundary and enters liquid phase, organic matter is finally by the hydroxyl radical free radical in liquid phase in gas to gas-liquid interface
It is oxidized to the small molecules inorganic matter such as carbon dioxide and water.
For traditional Fenton reagent, during the reaction, the Fe of generation3+Revert to Fe2+It is inefficient, in reality
Difficulty is caused to the subsequent processing of generated iron cement in the engineering of border, and limits the cycle efficieny of Fenton reagent reaction,
Reaction is shown to H2O2Utilization rate it is not high, cause processing cost very high, and the degradation of organic pollution is not thorough.With routine
VOCs treatment technology (such as absorb, burn, bioanalysis) compare, ultraviolet/Fenton methods are quick thoroughly, anti-because of its oxidation
Mild condition, efficiently and the features such as will not polluting has the advantages that conventional method is incomparable is answered, is increasingly becoming in environment
A kind of promising advanced oxidation skill in protection field, especially for the higher organic waste of toxic, complicated component, concentration
Processing of gas etc..It is less using the research of the technical finesse organic exhaust gas at present, it is still in the experimental stage, it is desirable to extensive use
In practical application, it is also necessary to more theories integrations, need to deeper into research its respectively mechanism of action and mutual cooperation mechanism
And associated technical parameters.
Invention content
In order to overcome, the cycle efficieny of existing Fenton reagent reaction is low, organic matter degradation is not thorough, Fe2+Dosage it is big,
The generation of iron cement is more, H2O2Utilization rate is low and the defects of waiting of high cost, it is ultraviolet that the present invention provides a kind of cyclic spraying
Fenton oxidation organic waste gas treatment system and processing method have been remarkably improved the gas-liquid mass transfer rate of organic exhaust gas, simultaneously
Ultraviolet light is added in during Fenton reagent sprays, not only increases Fe2+And Fe3+Cycle efficieny, also improve organic
The clean-up effect of exhaust gas.
The technical solution adopted by the present invention is：
Cyclic spraying is ultraviolet/processing system of Fenton oxidation organic exhaust gas, it is characterised in that：It is anti-including spray oxidation
Room, air-introduced machine and hydrogen peroxide throwing device are answered, is provided with exhaust outlet at the top of the spray oxidation reaction chamber, lower part is set respectively
Dioxygen water inlet, air inlet and Fenton reagent outlet are equipped with, top is provided with Fenton reagent entrance；The air-introduced machine with
The air inlet connection, the hydrogen peroxide throwing device are connect by compression pump with the dioxygen water inlet；Described
Fenton reagent outlet is connect by circulating pump with the Fenton reagent entrance；It contains the spray oxidation reaction chamber inner cavity
Fenton reagent is placed with, spray equipment, the spray equipment and institute are provided with above the spray oxidation reaction chamber inner cavity
The Fenton reagent entrance connection stated；Spray oxidation below the ullage and spray equipment of the Fenton reagent is anti-
It answers and is provided with several for installing the ultraviolet lamp tubes of ultraviolet lamp on the inner wall of room, several ultraviolet lamp tubes are mutually parallel intersection
Be mounted on spray oxidation reaction chamber inner wall on.
The spray equipment includes sparge pipe, several nozzles being disposed on sparge pipe and for controlling
The valve of Fenton reagent flow；The bore 0.3-0.8mm of the nozzle, 60 ° of spray angle.
The wavelength of the ultraviolet lamp is 180~300nmm, and spacing is 15~35cm between ultraviolet lamp tube.
The liquid level of the Fenton reagent is no more than the 1/5 of the height of the spray oxidation reaction chamber；It is described
Dioxygen water inlet be located in the liquid level of the Fenton reagent.
The pressure of the air-introduced machine is 1000~3000Pa.
The spray oxidation reaction chamber is babinet or tube structure, using PP, PPR, carbon steel liner rubber or fiberglass
It is prepared by material.
The spray oxidation reaction chamber ratio of height to diameter or high width are 5~8:1.
A kind of cyclic spraying based on processing unit described above is ultraviolet/the processing side of Fenton oxidation organic exhaust gas
Method, it is characterised in that：The method is as follows：
(1) Fenton reagent is sent in spray oxidation reaction chamber first, open the circulation pump passes through Fenton reagent
Fenton reagent entrance enters spray equipment, while opens ultraviolet lamp；
(2), air-introduced machine is opened to be sent into pending organic exhaust gas in spray oxidation reaction chamber through air inlet, it is pending
Organic exhaust gas is reacted with by the Fenton reagent that spray equipment sprays；Opening pressure is pumped hydrogen peroxide throwing device simultaneously
In hydrogen peroxide continuously launched into spray oxidation reaction chamber through dioxygen water inlet, maintain Fenton reagent in spray oxidation reaction room
In hydrogen peroxide mass concentration and pH it is constant；Pending organic exhaust gas comes into full contact with Fenton reagent react after will be organic
Organic matter macromolecular in exhaust gas is oxidized to small molecule, and treated, and exhaust gas is discharged by exhaust outlet.
The Fenton reagent is configured using ferrous sulfate and 30% hydrogen peroxide, and pH is 2.0~3.0, wherein
Fe2+A concentration of 20~80mg/L, H2O2Mass concentration is 0.2%-1%.
Residence time of the pending organic exhaust gas in spray oxidation reaction room is 25~70s.
The present invention is made using persistent organic pollutants in the ultraviolet degradation environment with Fenton technical tie-ups than independent technology
And have it is higher oxidation and mineralising performance, UV can make the Fe in Fenton reaction systems3+It is reduced to Fe2+, promote iron ion
Cycle, so as to improve H2O2Utilization rate, while UV can also make H2O2And ferric hydroxo complex (Fe (OH)2+) etc.
Direct photolysis generates OH, the advantages that so as to improve the speed of reaction and efficiency, reduce the usage amount of oxidant, reduce cost.
In addition, the method for cyclic spraying not only promotes gas-liquid mass transfer rate, the treatment effeciency of organic exhaust gas is accelerated, also makes Fe2+
And Fe3+It is recycled, not only saves cost, decrease the trouble of subsequent processing.
Compared with prior art, the beneficial effects are mainly as follows：
1st, the method for cyclic spraying not only promotes gas-liquid mass transfer rate, accelerates the treatment effeciency of organic exhaust gas,
Make Fe2+And Fe3+It is recycled.
2nd, it is easy to operate, at low cost, good degrading effect.
Description of the drawings
Fig. 1 be cyclic spraying of the present invention it is ultraviolet/structure diagram of the processing system of Fenton oxidation organic exhaust gas；
Wherein, 1- hydrogen peroxide throwing device, 2- compression pumps, 3- dioxygen water inlets, 4- spray oxidation reaction chambers, 5- spray dresses
It puts, 6-Fenton reagents, 7- exhaust outlets, 8-Fenton reagent inlets, 9- nozzles, 10- ultraviolet lamp tubes, 11- air inlets, 12- draws
Wind turbine, 13-Fenton reagent exits, 14- circulating pumps.
Specific embodiment
In following embodiment, spray equipment is located at the inner cavity of spray oxidation reaction chamber, the top of distance spray oxidation reaction chamber
Hold 0.2m；Air inlet is located at the lower part of spray reative cell, the liquid level 0.05m apart from Fenton reagent.
Had more than independent technical role using persistent organic pollutants in the ultraviolet degradation environment with Fenton technical tie-ups
High oxidation and mineralising performance, UV can make the Fe in Fenton reaction systems3+It is reduced to Fe2+, iron ion cycle is promoted,
So as to improve H2O2Utilization rate, while UV can also make H2O2And ferric hydroxo complex (Fe (OH)2+) etc. direct light
Solution generates OH, the advantages that so as to improve the speed of reaction and efficiency, reduce the usage amount of oxidant, reduce cost.In addition, it follows
The method of ring fountain not only promotes gas-liquid mass transfer rate, accelerates the treatment effeciency of organic exhaust gas, also makes Fe2+And Fe3+
To recycle, cost is not only saved, decreases the trouble of subsequent processing.
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This：
Embodiment 1：
Cyclic spraying is ultraviolet/processing system of Fenton oxidation organic exhaust gas, including spray oxidation reaction chamber 4, air inducing
Machine 12 and hydrogen peroxide throwing device 1, the top of the spray oxidation reaction chamber 4 are provided with exhaust outlet 7, and lower part is respectively arranged with
Dioxygen water inlet 3, air inlet 11 and Fenton reagent outlet 13, top is provided with Fenton reagent entrance 8；The air-introduced machine
12 connect with the air inlet 11, and the hydrogen peroxide throwing device 1 is connected by compression pump 2 and the dioxygen water inlet 3
It connects；The Fenton reagent outlet 13 is connect by circulating pump 14 with the Fenton reagent entrance 8；The spray oxygen
Change 4 inner cavity of reative cell and be contained with Fenton reagent 6, spray equipment 5 is provided with above 4 inner cavity of spray oxidation reaction chamber,
The spray equipment 5 is connect with the Fenton reagent entrance 8；Ullage and spray in the Fenton reagent 6
Several ultraviolet lamp tubes 10 for being used to install ultraviolet lamp are provided on the inner wall of the spray oxidation reaction chamber of 5 lower section of shower device, it is several
The ultraviolet lamp tube 10 be mutually parallel intersection be mounted on spray oxidation reaction chamber inner wall on.
The spray equipment includes sparge pipe, several nozzles 9 being disposed on sparge pipe and for controlling
The valve of Fenton reagent flow；The bore 0.3-0.8mm of the nozzle, 60 ° of spray angle.
Spacing is 15~35cm between the ultraviolet lamp tube.
The liquid level of the Fenton reagent is no more than the 1/5 of the height of the spray oxidation reaction chamber；It is described
Dioxygen water inlet be located in the liquid level of the Fenton reagent.
The pressure of the air-introduced machine is 1000~3000Pa.
The spray oxidation reaction chamber is babinet or tube structure, using PP, PPR, carbon steel liner rubber or fiberglass
It is prepared by material.
The spray oxidation reaction chamber ratio of height to diameter or high width are 5~8:1.
A kind of cyclic spraying based on processing unit described above is ultraviolet/the processing side of Fenton oxidation organic exhaust gas
Method, it is characterised in that：The method is as follows：
(1) Fenton reagent is sent in spray oxidation reaction chamber first, open the circulation pump passes through Fenton reagent
Fenton reagent entrance enters spray equipment, while opens ultraviolet lamp；
(2), air-introduced machine is opened to be sent into pending organic exhaust gas in spray oxidation reaction chamber through air inlet, it is pending
Organic exhaust gas is reacted with by the Fenton reagent that spray equipment sprays；Opening pressure is pumped hydrogen peroxide throwing device simultaneously
In hydrogen peroxide continuously launched into spray oxidation reaction chamber through dioxygen water inlet, maintain Fenton reagent in spray oxidation reaction room
In hydrogen peroxide mass concentration and pH it is constant；Pending organic exhaust gas comes into full contact with Fenton reagent react after will be organic
Organic matter macromolecular in exhaust gas is oxidized to small molecule, and treated, and exhaust gas is discharged by exhaust outlet.
The organic exhaust gas object of experiment purification is the exhaust gas containing dimethylbenzene, xylene concentration 300mg/m3Left and right,
Fe in Fenton reagent2+A concentration of 40mg/L, continuously adds H2O2H is maintained respectively2O2For 0.2%, 0.5%, 1%, pH 3.0,
Gas residence time is 60s, during a length of 254nm of ultraviolet light wave, the removal rate of dimethylbenzene can respectively 78%, 92%,
89% or so, it can be seen that H2O2When being 0.5%, removal rate highest result of the test is shown in Table 1.
1 result of the test of table
The way of realization that content described in this specification embodiment only conceives parent is enumerated, protection of the invention
Range is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (9)
1. cyclic spraying is ultraviolet/processing system of Fenton oxidation organic exhaust gas, it is characterised in that：Including spraying oxidation reaction
Room, air-introduced machine and hydrogen peroxide throwing device are provided with exhaust outlet at the top of the spray oxidation reaction chamber, and lower part is set respectively
There are dioxygen water inlet, air inlet and Fenton reagent outlet, top is provided with Fenton reagent entrance；The air-introduced machine and institute
The air inlet connection stated, the hydrogen peroxide throwing device are connect by compression pump with the dioxygen water inlet；Described
Fenton reagent outlet is connect by circulating pump with the Fenton reagent entrance；It contains the spray oxidation reaction chamber inner cavity
Fenton reagent is placed with, spray equipment, the spray equipment and institute are provided with above the spray oxidation reaction chamber inner cavity
The Fenton reagent entrance connection stated；Spray oxidation below the ullage and spray equipment of the Fenton reagent is anti-
It answers and is provided with several for installing the ultraviolet lamp tubes of ultraviolet lamp on the inner wall of room, several ultraviolet lamp tubes are mutually parallel intersection
Be mounted on spray oxidation reaction chamber inner wall on.
2. cyclic spraying as described in claim 1 is ultraviolet/processing system of Fenton oxidation organic exhaust gas, feature exists
In：The spray equipment includes sparge pipe, several nozzles being disposed on sparge pipe and for Fenton to be controlled to try
The valve of agent flux；The bore 0.3-0.8mm of the nozzle, 60 ° of spray angle.
3. cyclic spraying as claimed in claim 2 is ultraviolet/processing system of Fenton oxidation organic exhaust gas, feature exists
In：The wavelength of the ultraviolet lamp is 180~300nmm, and spacing is 15~35cm between ultraviolet lamp tube.
4. cyclic spraying as claimed in claim 3 is ultraviolet/processing system of Fenton oxidation organic exhaust gas, feature exists
In：The liquid level of the Fenton reagent is no more than the 1/5 of the height of the spray oxidation reaction chamber；The dioxygen
Water inlet is located in the liquid level of the Fenton reagent.
5. cyclic spraying as claimed in claim 4 is ultraviolet/processing system of Fenton oxidation organic exhaust gas, feature exists
In：The pressure of the air-introduced machine is 1000~3000Pa.
6. cyclic spraying as claimed in claim 5 is ultraviolet/processing system of Fenton oxidation organic exhaust gas, feature exists
In：The spray oxidation reaction chamber is babinet or tube structure, using PP, PPR, carbon steel liner rubber or glass steel material system
It is standby.
7. cyclic spraying as claimed in claim 6 is ultraviolet/processing system of Fenton oxidation organic exhaust gas, feature exists
In：The spray oxidation reaction chamber ratio of height to diameter or high width are 5~8:1.
8. one kind based on cyclic spraying as claimed in claim 7 it is ultraviolet/processing system of Fenton oxidation organic exhaust gas
Cyclic spraying is ultraviolet/processing method of Fenton oxidation organic exhaust gas, it is characterised in that：The method is as follows：
(1) Fenton reagent is sent in spray oxidation reaction chamber first, open the circulation pump makes Fenton reagent through Fenton
Reagent inlet enters spray equipment, while opens ultraviolet lamp；
(2), it opens air-introduced machine to be sent into pending organic exhaust gas in spray oxidation reaction chamber through air inlet, pending is organic
Exhaust gas is reacted with by the Fenton reagent that spray equipment sprays；Opening pressure pump will be in hydrogen peroxide throwing device simultaneously
Hydrogen peroxide is continuously launched through dioxygen water inlet into spray oxidation reaction chamber, is maintained in spray oxidation reaction room in Fenton reagent
The mass concentration and pH of hydrogen peroxide are constant；Pending organic exhaust gas comes into full contact with Fenton reagent react after by organic exhaust gas
In organic matter macromolecular be oxidized to small molecule, treated, and exhaust gas is discharged by exhaust outlet.
9. processing method as claimed in claim 8, it is characterised in that：The pending organic exhaust gas is anti-in spray oxidation
It is 25~70s to answer the indoor residence time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610044700.XA CN105536481B (en) | 2016-01-22 | 2016-01-22 | Circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044700.XA CN105536481B (en) | 2016-01-22 | 2016-01-22 | Circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and treatment method |
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| CN105536481B true CN105536481B (en) | 2018-06-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964136A (en) * | 2016-06-08 | 2016-09-28 | 浙江奇彩环境科技股份有限公司 | Organic exhaust gas degradation method and device |
| CN108273384A (en) * | 2018-03-02 | 2018-07-13 | 深圳市中润恒泰环境科技有限公司 | A kind of deodorizing method and device for administering indoles scatol pyridines stench |
| CN109046018A (en) * | 2018-09-30 | 2018-12-21 | 广东键盟环保科技有限公司 | A kind of VOC exhaust gas liquid phase photocatalysis treatment system and VOC waste gas processing method |
| CN109224816A (en) * | 2018-10-26 | 2019-01-18 | 江苏中远环保科技有限公司 | A kind of energy-saving equipment using ultraviolet light desulfurization removing nitric |
| CN110404394B (en) * | 2019-09-25 | 2020-02-07 | 山东润扬环保设备有限公司 | Ultraviolet light catalytic oxidation-Fenton efficient composite organic waste gas treatment device and method |
| CN111068509A (en) * | 2019-12-10 | 2020-04-28 | 上海师范大学 | Reactor for full decomposition of volatile organic pollutants based on Fenton-photocatalysis combination |
| CN111389220A (en) * | 2020-04-03 | 2020-07-10 | 唐山三友氯碱有限责任公司 | Treatment method of VOCs (volatile organic chemicals) in paste resin drying tail gas |
| CN113669834A (en) * | 2021-06-18 | 2021-11-19 | 天津大学 | Based on H2O2In situ synthesized UV/H2O2Indoor air sterilizing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949128A (en) * | 2014-04-23 | 2014-07-30 | 林小晓 | Method and device for purifying dust-containing flue gas |
| CN103949144A (en) * | 2014-04-23 | 2014-07-30 | 林小晓 | Method and device for purifying flue gas containing sulfur dioxide |
| CN103949153A (en) * | 2014-04-23 | 2014-07-30 | 林小晓 | Method and device for purifying flue gas by utilizing photochemical Fenton reaction |
| CN104958972A (en) * | 2015-06-24 | 2015-10-07 | 贵阳汽车工业技术学校 | Small-sized tower-shaped combined type waste gas treatment device |
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2016
- 2016-01-22 CN CN201610044700.XA patent/CN105536481B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949128A (en) * | 2014-04-23 | 2014-07-30 | 林小晓 | Method and device for purifying dust-containing flue gas |
| CN103949144A (en) * | 2014-04-23 | 2014-07-30 | 林小晓 | Method and device for purifying flue gas containing sulfur dioxide |
| CN103949153A (en) * | 2014-04-23 | 2014-07-30 | 林小晓 | Method and device for purifying flue gas by utilizing photochemical Fenton reaction |
| CN104958972A (en) * | 2015-06-24 | 2015-10-07 | 贵阳汽车工业技术学校 | Small-sized tower-shaped combined type waste gas treatment device |
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