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 PDF

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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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CN
China
Prior art keywords
advanced oxidation
oxidation reaction
hydrogen peroxide
indoles
water tank
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Pending
Application number
CN201810175972.2A
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Chinese (zh)
Inventor
陈剑波
王红伟
肖柏昆
旷元中
邓元宝
施清杯
施逸诗
许金飞
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Shenzhen Zhong Run Hengtai Environmental Technology Co Ltd
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Shenzhen Zhong Run Hengtai Environmental Technology Co Ltd
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Priority to CN201810175972.2A priority Critical patent/CN108273384A/en
Publication of CN108273384A publication Critical patent/CN108273384A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/90Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8678Removing components of undefined structure
    • B01D53/8687Organic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/10Oxidants
    • B01D2251/106Peroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron

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

A kind of deodorizing method and device for administering indoles scatol pyridines stench
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.
CN201810175972.2A 2018-03-02 2018-03-02 A kind of deodorizing method and device for administering indoles scatol pyridines stench Pending CN108273384A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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