CN108273384A - A kind of deodorizing method and device for administering indoles scatol pyridines stench - Google Patents
A kind of deodorizing method and device for administering indoles scatol pyridines stench Download PDFInfo
- Publication number
- CN108273384A CN108273384A CN201810175972.2A CN201810175972A CN108273384A CN 108273384 A CN108273384 A CN 108273384A CN 201810175972 A CN201810175972 A CN 201810175972A CN 108273384 A CN108273384 A CN 108273384A
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- Prior art keywords
- advanced oxidation
- oxidation reaction
- hydrogen peroxide
- indoles
- water tank
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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
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- 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
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
Abstract
The present invention provides a kind of deodorizing methods and device for administering indoles scatol pyridines stench, this improvement indoles, the deodorization device of scatol and pyridines stench, including advanced oxidation reaction tower, integrated circular water tank, built-in circulating pump, iron system atmosphere catalyst packed bed, foam removal bed, hydrogen peroxide dosing tank and metering pump, sulfuric acid dosing tank and metering pump, the advanced oxidation reaction tower is built-in with multilayer iron system atmosphere catalyst packed bed and one layer of foam removal bed, the hydrogen peroxide dosing tank and metering pump are connected to the integrated circular water tank, the sulfuric acid dosing tank and metering pump are connected to the integrated circular water tank.The beneficial effects of the invention are as follows:The present invention solves the problems, such as the indoles, scatol, the pyridines high concentration odor treatment that are generated in nightsoil innocent processing in city management, prevents odor pollution air, prevents the infection disease of harmful bacteria in excrement slag, and it is horizontal to improve urban health environment.
Description
Technical field
The present invention relates to exhaust air deodorization purification treatment technology field in city management more particularly to urban health civilization management
The indoles scatol pyridine odor treatment generated in middle nightsoil innocent processing procedure.
Background technology
With urbanization continuous development and perfect, the excrement quantity of slag of each city hundreds of tons of generation daily, not only due to excrement slag
Rot stench and with bacterium etc. is infected, and is the problem that each city faces, how the processing excrement slag of safety is not only related to
The civilization of city management is more related to public healthy and safe, it is necessary to carry out harmless treatment, on the other hand, excrement slag to excrement slag
Toxic harmful rotten exhaust gas is generated in processing procedure, processing is bad, and stench diffuses in air, causes air pollution, influences week
The health of the environment and people from periphery that enclose is city management urgent problem.
Invention content
1. the present invention provides a kind of deodorizing method and device for administering indoles scatol pyridines stench, deodorizing method,
Include the following steps:
The first step:A certain amount of tap water of injection into integrated circular water tank (6) injects a certain amount of sulphur with metering pump
Acid adjusts recirculated water PH to 4-5 in cyclic water tank, injects a certain amount of hydrogen peroxide, hydrogen peroxide with metering pump:Sulfuric acid=4:0.5, with
Upper proportioning is weight ratio.
Second step:Indoles, scatol, pyridines foul waste gas enter advanced oxidation reaction tower (1) from exhaust gas inlet (5),
Indoles, scatol, pyridine and circulation fluid come into full contact in iron system atmosphere catalyst packed bed (2) interior exhaust gas, indoles in exhaust gas,
The hydroxyl radical free radical advanced oxidation for the strong oxidizing property that the stenches such as scatol, pyridine are generated by atmosphere reaction at carbon dioxide packing, water and
Nitrate.
Atmosphere reaction method described in 2., it is characterised in that, utilize the ferrous ion Fe in iron system atmosphere catalyst (2)2+With
Oxydol H2O2Between chain reaction catalysis generate a certain amount of hydroxyl radical free radical with strong oxidizing property.
Atmosphere reaction method described in 3., it is characterised in that, ferrous ion Fe2+And oxydol H2O2Between chain reaction urge
Metaplasia is completed at a certain amount of hydroxyl radical free radical with strong oxidizing property in iron system atmosphere catalyst packed bed (2).
Iron system atmosphere catalyst (2) described in 4., which is characterized in that ferrous ion, for carrier, is sintered with composite porous
It is squeezed into Raschig ring shape, ensure that the filterability of iron system atmosphere catalyst (2) adsorptivity and packed bed organically combines.
Advanced oxidation reaction method described in 5., which is characterized in that in the first step, it is dense to inject 27.5% by a certain percentage
The hydrogen peroxide of degree.
Atmosphere reaction method described in 6., which is characterized in that dosing ratio:Hydrogen peroxide:Sulfuric acid=4:0.5.
Advanced oxidation reaction method described in 7., which is characterized in that in the second step, exhaust gas is reacted in advanced oxidation
Tower (1) the interior residence time is 5-6 seconds.
Advanced oxidation reaction method described in 8., which is characterized in that the odor destructions rate such as indoles, scatol, pyridine is
40%-70%.
9. the deodorization device of a kind of processing indoles provided by the invention, scatol and pyridines stench, which is characterized in that packet
Include advanced oxidation reaction tower (1), integrated circular water tank (6), built-in circulating pump (7), spray port (8), iron system atmosphere catalyst
Packed bed (2), foam removal bed (3), hydrogen peroxide dosing tank (10) and metering pump (9), sulfuric acid dosing tank (12) and metering pump (11), institute
It states advanced oxidation reaction tower (1) and is built-in with multilayer iron system atmosphere catalyst packed bed (2) and one layer of foam removal bed (3), the advanced oxygen
To change reaction tower (1) and is equipped with stench air inlet (5) and gas outlet (4), the integration cyclic water tank (6) is equipped with running water inlet,
The hydrogen peroxide dosing tank (10) and metering pump (9) are connected to the integrated circular water tank (6), the sulfuric acid dosing tank (12)
It is connected to metering pump (11) with the integrated circular water tank (6), the integrated circular water tank (6) and the advanced oxidation are anti-
Tower (1) is answered to be connected to.
Advanced oxidation reaction tower (1) described in 10., which is characterized in that the advanced oxidation reaction tower is built-in with multiple filling layers
Bed (2) and foam removal bed (3).
11. iron system atmosphere catalyst packed bed (2) and foam removal bed (4), it is characterised in that:Iron system atmosphere catalyst packed bed
(2) first layer packed height is 1 meter -1.4 meters;Second layer packed bed packed height is 0.6 meter -0.8 meter;Foam removal bed (3) filler
Height is 0.4-0.5 meters, and filler is fancy plastic hoop;
Advanced oxidation reaction tower (1) described in 12., which is characterized in that the integrated circular water tank (6) is equipped with hydrogen peroxide
Dosing mouth, sulfuric acid dosing mouth are equipped on the pipeline that the hydrogen peroxide dosing mouth is connected to the hydrogen peroxide dosing tank (10) double
Oxygen water metering pump (9) is equipped with sulfuric acid metering pump on the pipeline that the sulfuric acid dosing mouth is connected to the sulfuric acid dosing tank (12)
(11)。
Advanced oxidation reaction tower (1) described in 13., which is characterized in that the integration cyclic water tank (6) is equipped with built-in follow
Ring pumps (7), and built-in circulating pump (7) connects the spray port (8) in advanced oxidation reaction tower by conveyance conduit, forms cycle washing
Device.
The beneficial effects of the invention are as follows:The present invention solve the indoles generated in the processing of nightsoil innocent in city management,
The problem of scatol, pyridines high concentration odor treatment, prevents odor pollution air, prevents the infection disease of harmful bacteria in excrement slag
Disease improves urban health environment and the general level of the health.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram.
Specific implementation mode
As shown in Figure 1, the invention discloses a kind of processing indoles, the deodorization device of scatol and pyridines stench, it is special
Sign is, including advanced oxidation reaction tower (1), integrated circular water tank (6), built-in circulating pump (7), spray port (8), iron system
Atmosphere catalyst packed bed (2), foam removal bed (3), hydrogen peroxide dosing tank (10) and metering pump (9), sulfuric acid dosing tank (12) and metering
It pumps (11), the advanced oxidation reaction tower (1) is built-in with multilayer iron system atmosphere catalyst packed bed (2) and one layer of foam removal bed (3), institute
It states advanced oxidation reaction tower (1) and is equipped with stench air inlet (5) and gas outlet (4), the integration cyclic water tank (6) is equipped with originally
Water inlet, the hydrogen peroxide dosing tank (10) and metering pump (9) are connected to the integrated circular water tank (6), and the sulfuric acid adds
Medicine-chest (12) and metering pump (11) are connected to the integrated circular water tank (6), the integrated circular water tank (6) and the height
Grade oxidation reaction tower (1) is connected to.
The advanced oxidation reaction tower (1), which is characterized in that the advanced oxidation reaction tower is built-in with multiple filling layers bed
(2) and foam removal bed (3).
Iron system atmosphere catalyst packed bed (2) and foam removal bed (4), it is characterised in that:Iron system atmosphere catalyst packed bed (2)
First layer packed height is 1 meter -1.4 meters;Second layer packed bed packed height is 0.6 meter -0.8 meter;Foam removal bed (3) packed height
It it is 0.4-0.5 meters, filler is fancy plastic hoop;
The advanced oxidation reaction tower (1), which is characterized in that the integrated circular water tank (6) adds equipped with hydrogen peroxide
Medicine mouth, sulfuric acid dosing mouth are equipped with dioxygen on the pipeline that the hydrogen peroxide dosing mouth is connected to the hydrogen peroxide dosing tank (10)
Water metering pump (9) is equipped with sulfuric acid metering pump on the pipeline that the sulfuric acid dosing mouth is connected to the sulfuric acid dosing tank (12)
(11)。
The advanced oxidation reaction tower (1), which is characterized in that the integration cyclic water tank (6) is equipped with built-in cycle
It pumps (7), built-in circulating pump (7) connects the spray port (8) in advanced oxidation reaction tower by conveyance conduit, forms cycle washing dress
It sets.
The invention discloses a kind of deodorizing methods for administering indoles scatol pyridines stench, include the following steps:
The first step:A certain amount of tap water of injection into integrated circular water tank (6) injects a certain amount of sulphur with metering pump
Acid adjusts recirculated water PH to 4-5 in cyclic water tank, injects a certain amount of hydrogen peroxide, hydrogen peroxide with metering pump:Sulfuric acid=4:0.5, with
Upper proportioning is weight ratio;
Second step:Indoles, scatol, pyridines foul waste gas enter advanced oxidation reaction tower (1) from exhaust gas inlet (5),
Indoles, scatol, pyridine and circulation fluid come into full contact in iron system atmosphere catalyst packed bed (2) interior exhaust gas, indoles in exhaust gas,
The hydroxyl radical free radical advanced oxidation for the strong oxidizing property that the stenches such as scatol, pyridine are generated by atmosphere reaction at carbon dioxide packing, water and
Nitrate.
The atmosphere reaction method, it is characterised in that, utilize the ferrous ion Fe in iron system atmosphere catalyst (2)2+With it is double
Oxygen water H2O2Between chain reaction catalysis generate a certain amount of hydroxyl radical free radical with strong oxidizing property
The atmosphere reaction method, it is characterised in that, ferrous ion Fe2+And oxydol H2O2Between chain reaction catalysis
A certain amount of hydroxyl radical free radical with strong oxidizing property is generated to complete in iron system atmosphere catalyst packed bed (2).
The iron system atmosphere catalyst (2), which is characterized in that ferrous ion with composite porous for carrier, squeeze by sintering
It is pressed into Raschig ring shape, ensure that the filterability of iron system atmosphere catalyst (2) adsorptivity and packed bed organically combines.
The advanced oxidation reaction method, which is characterized in that in the first step, inject 27.5% concentration by a certain percentage
Hydrogen peroxide.
The atmosphere reaction method, which is characterized in that dosing ratio:Hydrogen peroxide:Sulfuric acid=4:0.5.
The advanced oxidation reaction method, which is characterized in that in the second step, exhaust gas is in advanced oxidation reaction tower
(1) the interior residence time is 5-6 seconds.
The advanced oxidation reaction method, which is characterized in that the odor destructions rate such as indoles, scatol, pyridine is 40%-
70%.
In whole process, the total drug concentration of advanced oxidation reaction solution is 0.2-0.25%.
The present invention solves the problems, such as the indoles generated in nightsoil innocent processing procedure, scatol, pyridine odor treatment,
Improve factory work environment and surrounding enviroment in nightsoil innocent processing procedure.
The present invention manages odor purification treatment technology in nightsoil innocent processing procedure as urban health, and the present invention is worth
It promotes and applies.
The present invention also has following technical advantage:
1. comparing other purification technique, the middle-and-high-ranking oxidation reaction stench purification removal of the present invention is more thorough.
2. comparing other oxidant, hydroxyl radical free radical oxidability is stronger in the present invention.
3. operating cost of the present invention is more economical.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (13)
1. a kind of deodorizing method for administering indoles scatol pyridines stench, deodorizing method is characterized in that, is included the following steps:
The first step:A certain amount of tap water of injection into integrated circular water tank (6) injects a certain amount of sulfuric acid with metering pump,
Recirculated water PH to 4-5 in cyclic water tank is adjusted, injects a certain amount of hydrogen peroxide, hydrogen peroxide with metering pump:Sulfuric acid=4:0.5, it is above
Proportioning is weight ratio;
Second step:Indoles, scatol, pyridines foul waste gas enter advanced oxidation reaction tower (1) from exhaust gas inlet (5), in iron
It is that indoles, scatol, pyridine and circulation fluid come into full contact in atmosphere catalyst packed bed (2) interior exhaust gas, the indoles, excrement in exhaust gas are smelly
The hydroxyl radical free radical advanced oxidation for the strong oxidizing property that the stenches such as element, pyridine are generated by atmosphere reaction is at carbon dioxide packing, water and nitric acid
Salt.
2. atmosphere according to claim 1 reaction method, it is characterised in that, utilize the ferrous iron in iron system atmosphere catalyst (2)
Ion Fe2+And oxydol H2O2Between chain reaction catalysis generate a certain amount of hydroxyl radical free radical with strong oxidizing property.
3. atmosphere according to claim 1 reaction method, it is characterised in that, ferrous ion Fe2+And oxydol H2O2Between
Chain reaction catalysis generates a certain amount of hydroxyl radical free radical with strong oxidizing property and is completed in iron system atmosphere catalyst packed bed (2).
4. iron system according to claim 1 atmosphere catalyst (2), which is characterized in that ferrous ion is with composite porous
Carrier, sintering are squeezed into Raschig ring shape, ensure that the filterability of iron system atmosphere catalyst (2) adsorptivity and packed bed organically combines.
5. advanced oxidation reaction method according to claim 1, which is characterized in that in the first step, note by a certain percentage
Enter the hydrogen peroxide of 27.5% concentration.
6. atmosphere according to claim 1 reaction method, which is characterized in that dosing ratio:Hydrogen peroxide:Sulfuric acid=4:0.5.
7. advanced oxidation reaction method according to claim 1, which is characterized in that in the second step, exhaust gas is in height
Grade oxidation reaction tower (1) the interior residence time is 5-6 seconds.
8. advanced oxidation reaction method according to claim 1, which is characterized in that the stenches such as indoles, scatol, pyridine are gone
Except rate is 40%-70%.
9. the deodorization device of a kind of processing indoles, scatol and pyridines stench, which is characterized in that including including that advanced oxidation is anti-
It answers tower (1), integrated circular water tank (6), built-in circulating pump (7), spray port (8), iron system atmosphere catalyst packed bed (2), remove
Foam bed (3), hydrogen peroxide dosing tank (10) and metering pump (9), sulfuric acid dosing tank (12) and metering pump (11), the advanced oxidation are anti-
Tower (1) is answered to be built-in with multilayer iron system atmosphere catalyst packed bed (2) and one layer of foam removal bed (3), the advanced oxidation reaction tower (1) sets
Foul smelling air inlet (5) and gas outlet (4), the integration cyclic water tank (6) are equipped with running water inlet, the hydrogen peroxide dosing
Case (10) and metering pump (9) are connected to the integrated circular water tank (6), the sulfuric acid dosing tank (12) and metering pump (11) with
Integrated circular water tank (6) connection, the integrated circular water tank (6) are connected to the advanced oxidation reaction tower (1).
10. advanced oxidation reaction tower (1) according to claim 9, which is characterized in that the advanced oxidation reaction tower is built-in with
Multiple filling layers bed (2) and foam removal bed (3).
11. iron system atmosphere catalyst packed bed (2) and foam removal bed (4) according to claim 9, it is characterised in that:Iron system atmosphere
Catalyst packed bed (2) first layer packed height is 1 meter -1.4 meters;Second layer packed bed packed height is 0.6 meter -0.8 meter;Foam removal
Bed (3) packed height is 0.4-0.5 meters, and filler is fancy plastic hoop.
12. advanced oxidation reaction tower (1) according to claim 9, which is characterized in that the integrated circular water tank (6)
Equipped with hydrogen peroxide dosing mouth, sulfuric acid dosing mouth, pipeline that the hydrogen peroxide dosing mouth is connected to the hydrogen peroxide dosing tank (10)
On hydrogen peroxide metering pump (9) is installed, be equipped on the pipeline that the sulfuric acid dosing mouth is connected to the sulfuric acid dosing tank (12)
Sulfuric acid metering pump (11).
13. advanced oxidation reaction tower (1) according to claim 9, which is characterized in that the integration cyclic water tank (6)
Equipped with built-in circulating pump (7), built-in circulating pump (7) connects the spray port (8) in advanced oxidation reaction tower, shape by conveyance conduit
At circulation washing device.
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CN201810175972.2A CN108273384A (en) | 2018-03-02 | 2018-03-02 | A kind of deodorizing method and device for administering indoles scatol pyridines stench |
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CN201810175972.2A CN108273384A (en) | 2018-03-02 | 2018-03-02 | A kind of deodorizing method and device for administering indoles scatol pyridines stench |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132995A (en) * | 1983-01-19 | 1984-07-31 | Ebara Infilco Co Ltd | Combined treatment of cod-contg. waste water and stenchy gas |
CN101496993A (en) * | 2009-01-07 | 2009-08-05 | 上海水天环保科技有限公司 | Method and device for processing malodorous gas by active bamboo charcoal-H2O2 complex phase catalytic oxidation |
CN104707460A (en) * | 2013-12-24 | 2015-06-17 | 齐鲁工业大学 | Foul flue gas treatment method and device |
CN105536481A (en) * | 2016-01-22 | 2016-05-04 | 浙江工业大学 | Circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and method |
CN106178901A (en) * | 2016-08-31 | 2016-12-07 | 海南兴能泰环境科技有限公司 | A kind of advanced oxidation purification method administering volatile organic waste gas in production of flavor and device |
-
2018
- 2018-03-02 CN CN201810175972.2A patent/CN108273384A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59132995A (en) * | 1983-01-19 | 1984-07-31 | Ebara Infilco Co Ltd | Combined treatment of cod-contg. waste water and stenchy gas |
CN101496993A (en) * | 2009-01-07 | 2009-08-05 | 上海水天环保科技有限公司 | Method and device for processing malodorous gas by active bamboo charcoal-H2O2 complex phase catalytic oxidation |
CN104707460A (en) * | 2013-12-24 | 2015-06-17 | 齐鲁工业大学 | Foul flue gas treatment method and device |
CN105536481A (en) * | 2016-01-22 | 2016-05-04 | 浙江工业大学 | Circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and method |
CN106178901A (en) * | 2016-08-31 | 2016-12-07 | 海南兴能泰环境科技有限公司 | A kind of advanced oxidation purification method administering volatile organic waste gas in production of flavor and device |
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