CN108816000A - A kind of recycling processing method of plasma for purification sulfide hydrogen and ammonia pollution air - Google Patents
A kind of recycling processing method of plasma for purification sulfide hydrogen and ammonia pollution air Download PDFInfo
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- CN108816000A CN108816000A CN201810612480.5A CN201810612480A CN108816000A CN 108816000 A CN108816000 A CN 108816000A CN 201810612480 A CN201810612480 A CN 201810612480A CN 108816000 A CN108816000 A CN 108816000A
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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
- B01D53/22—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 by diffusion
- B01D53/228—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 by diffusion characterised by specific membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
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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
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
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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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8634—Ammonia
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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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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- 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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The present invention relates to the recycling processing methods of a kind of plasma for purification sulfide hydrogen and ammonia pollution air, which is characterized in that includes the following steps：1) hydrogen sulfide is separated in the separator with ammonia；2) plasma device will be introduced through step 1) treated sulfide hydrogen air carry out oxidation reaction generate sulfur-containing oxide, chemical synthesis room is introduced by sulfur-containing oxide and through step 1) treated air containing ammonia, ammonia in chemical synthesis room is reacted with sulfur-containing oxide generates Ammonium Sulfate Aerosol, and pollution air is cleaned into purification air；3) mixture of step 2) treated Ammonium Sulfate Aerosol and purification air is passed through in separation chamber, by Ammonium Sulfate Aerosol and purification air separation.The hydrogen sulfide and ammonia that the present invention makes to pollute in air transform into Ammonium Sulfate Aerosol, and purifying contaminated air while does not generate secondary pollution, and the Ammonium Sulfate Aerosol of generation can be used as chemical fertilizer, achieve the purpose that recycling, reduce the operating cost of equipment.
Description
Technical field
The invention belongs to environmental protection-waste gas purification technical fields, and in particular to a kind of plasma for purification sulfide hydrogen
With the recycling processing method of ammonia pollution air.
Background technique
The pollution air of sulfide hydrogen and ammonia is mainly derived from the hair of the fermentation process of animals and plants corpse, animal excrements
Ferment process etc..The pollution air of the sulfide hydrogen and ammonia that are discharged into atmosphere not only damages human health, causes respiratory system
Disease also pollutes atmospheric environment, causes secondary particulate, causes haze weather.Currently, being used for sulfide hydrogen and ammonia
Pollution air treating method mainly have chemical absorption method, catalytic oxidation, adsorbent absorption method and biological degradation method, these sides
Often operating cost is higher in the sulfide hydrogen and ammonia pollution air for coping with low concentration, Wind Volume for method, and is difficult completely net
The pollution air for changing sulfide hydrogen and ammonia, be easy to cause secondary pollution.
The present invention provides purification and the recycling processing method of a kind of sulfide hydrogen and ammonia pollution air：Make to vulcanize first
Hydrogen separated in the separator with ammonia after hydrogen sulfide, by plasma reaction be oxidized reaction generate sulfur-bearing oxidation
Object, the sulfur-containing oxide and ammonia of generation occur chemosynthesis reaction and generate Ammonium Sulfate Aerosol, so that sulfide hydrogen and ammonia
Pollution air be cleaned；Next, the Ammonium Sulfate Aerosol generated and the air separation being cleaned, so that the ammonium sulfate generated
Aerosol is collected to make resource utilization, and purification air is discharged in atmosphere by exhaust pipe.Sulfide hydrogen in the present invention
It is converted to Ammonium Sulfate Aerosol with ammonia with the hydrogen sulfide in the pollution air of ammonia, this not only purifies the secondary dirt of eliminating atmosphere
Dye, moreover it is possible to by hydrogen sulfide and ammonia resource utilization, reach the operating cost for reducing equipment.
Summary of the invention
Pollution air treating method operating cost for the existing sulfide hydrogen of solution and ammonia is higher, and is difficult completely net
Change, be easy to cause secondary pollution problems, the present invention provides a kind of plasma for purification sulfide hydrogen and ammonia pollution air
Recycling processing method makes to pollute hydrogen sulfide and ammonia in air and transforms into Ammonium Sulfate Aerosol, purifying contaminated air
Secondary pollution is not generated simultaneously, the Ammonium Sulfate Aerosol of generation can be used as chemical fertilizer, achieve the purpose that recycling, reduce equipment
Operating cost.
A kind of recycling processing method of plasma for purification sulfide hydrogen and ammonia pollution air, includes the following steps：
S1, hydrogen sulfide is separated in the separator with ammonia；
S2, will treated that hydrogen sulfide containing pollution air is sent into plasma device carries out oxidation reaction production through step S1
The sulfur-containing oxide of raw sulfur-containing oxide, generation is sent into chemical synthesis room, will treated that air containing ammonia is sent through step S1
Enter chemical synthesis room, the ammonia in chemical synthesis room is reacted with sulfur-containing oxide generates Ammonium Sulfate Aerosol, and pollution air is net
Chemical conversion purification air；
S3, the mixture for handling gained Ammonium Sulfate Aerosol and purification air through step S2 is entered in separation chamber, by sulphur
Sour ammonium aerosol and purification air separation collect Ammonium Sulfate Aerosol to make resource utilization, and purification air passes through exhaust pipe
It is discharged into atmosphere.
Preferably, separator is membrane separator, condensation separator or transformation separator in the step S1.
Preferably, it is polluted in the step S1 and contains one or both of ozone and hydrogen peroxide in air.
Preferably, the step S2 plasma device is creeping discharge device, corona discharge assembly, dielectric impedance are put
One or more of electric installation, arc discharge device.
Preferably, catalyst is equipped in the step S2 plasma device, the shape of the catalyst is sphere, circle
One or more of cylinder, cuboid or square, the catalyst be the noble metals such as gold, silver, palladium, platinum or iron oxide,
The metal oxides such as copper oxide, aluminium oxide, chromium oxide, magnesia, zinc oxide, titanium oxide, zirconium oxide, chromium oxide, nickel oxide, or
Noble metal and metal oxide it is compound.
Preferably, energy density of plasma is 0.2-10J/L in the step S2 plasma oxidation device, when stop
Between 1-10s, -10-100 DEG C of reaction temperature.
It is further preferred that energy density of plasma is 2-6J/L, residence time in the step S2 plasma oxidation device
1-5s, 30-60 DEG C of reaction temperature.
Preferably, the step S2 chemosynthesis reaction room is catalytic oxidizing equipment, thermodynamics burner, plasma
Oxidation unit, mixer, absorption tower or adsorption tower group at.
Preferably, in the step S2 chemosynthesis reaction room reaction temperature -20-80 DEG C, residence time 2-20s, pressure
Power 0.3-2bar.
It is further preferred that in the step S2 in chemosynthesis reaction room reaction temperature 20~60 DEG C, residence time 2-15s,
Pressure 0.5-1.5bar.
Preferably, separation chamber is made of filter device, electrostatic precipitator and absorption tower in the step S3.
Preferably, indoor reaction temperature is separated in the step S3 in -20-80 DEG C, residence time 2-20s, pressure
0.3-2bar。
It is further preferred that separating indoor reaction temperature in the step S3 in 30-60 DEG C, residence time 5-15s, pressure 1-
1.5bar。
The principle of the present invention is：Hydrogen sulfide in sulfide hydrogen and ammonia pollution air is oxidized sulfur-containing oxide, sulfur-bearing
Oxide is one or more of sulfur dioxide, sulfur trioxide, sulfuric acid, sulfurous acid, the sulfur-containing oxide and Containing Sulfur of generation
Further chemical synthesis Ammonium Sulfate Aerosol, the ammonium sulfate gas of generation are molten in the reactor for ammonia in hydrogen and ammonia pollution air
Glue is separated in separation chamber with purification air, and Ammonium Sulfate Aerosol is collected as chemical fertilizer.
The beneficial effects of the invention are as follows：
Method of the invention at sulfur-containing oxide, goes forward side by side the Oxidation of Hydrogen Sulfide in the pollution air of sulfide hydrogen and ammonia
One step is reacted with ammonia is converted to Ammonium Sulfate Aerosol, this not only purifies eliminating atmosphere secondary pollution, moreover it is possible to by hydrogen sulfide and ammonia
Gas resource utilization reaches the operating cost for reducing equipment, can be used for centralization-breeding factory, animals died of illness harmless treatment
The improvement of the pollution air containing ammonia of factory, chemical fertilizer factory, concrete manufactory etc..
Detailed description of the invention
Fig. 1 is sulfide hydrogen and ammonia pollution air purification and method of resource flow diagram.
Fig. 2 is sulfide hydrogen and ammonia pollutes air through membrane separation, dielectric impedance reactor, catalytic oxidizing equipment, quiet
Electric separator processing unit flow chart.
The removal efficiency of hydrogen sulfide and ammonia when Fig. 3 is using dielectric barrier discharge.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.
Embodiment one：
As depicted in figs. 1 and 2 for based on the stream for reacting generation ammonium sulfate after dielectric barrier discharge oxidation of sulfureted hydrogen with ammonia
Journey example.
(1) sulfide hydrogen enters membrane separator with the pollution air of ammonia and is separated.
(2) hydrogen sulfide containing pollution air enters corona discharge plasma device, energy density of plasma 0.2J/
L, -10 DEG C of reaction time 1s, reaction temperature make the Oxidation of Hydrogen Sulfide within the scope of 100ppm at sulfur-containing oxide.
(3) by the sulfur-containing oxide of generation and step 1), treated containing the ammonia, dirty containing ammonia in ammonia pollution air
It contaminates the moisture in air and introduces catalytic oxidizing equipment, reaction temperature is -20 DEG C, reaction time 2s, pressure 0.3bar, catalysis oxidation
Ammonia in device is reacted with sulfur-containing oxide generates Ammonium Sulfate Aerosol, and pollution air is cleaned into purification air.
(4) purification air separated in separation chamber with Ammonium Sulfate Aerosol, the reaction temperature in separation chamber be -20 DEG C,
Reaction time 2s, pressure 0.3bar, purification air are discharged in atmosphere by exhaust pipe, and Ammonium Sulfate Aerosol is collected inhibition and generation
Fertilizer.
Experiment condition：Air quantity 1000m3The pollution Air Hydrogen Sulfide initial concentration of/h, hydrogen sulfide and ammonia is 100ppm,
Ammonia initial concentration is 80ppm, relative air humidity 80%.
Embodiment 2：
(1) sulfide hydrogen, ammonia, ozone pollution air enter condensation separator and separated.
(2) sulfide hydrogen, ozone pollution air enter dielectric barrier discharge device, 5g spherical shape titanium oxide is added, wait from
Daughter energy density is 5J/L, reaction time 5s, 55 DEG C of reaction temperature, makes the Oxidation of Hydrogen Sulfide within the scope of 200ppm at sulfur-bearing oxygen
Compound.
(3) by the sulfur-containing oxide of generation and step 1), treated containing the ammonia, dirty containing ammonia in ammonia pollution air
It contaminates the moisture in air and introduces thermodynamics burner, reaction temperature is 30 DEG C, reaction time 10s, pressure 1bar, thermodynamics combustion
It burns the ammonia in device and reacts generation Ammonium Sulfate Aerosol with sulfur-containing oxide, pollution air is cleaned into purification air.
(4) purification air is separated in separation chamber with Ammonium Sulfate Aerosol, and the reaction temperature in separation chamber is 55 DEG C, instead
10s, pressure 1.5bar between seasonable, purification air are discharged in atmosphere by exhaust pipe, and Ammonium Sulfate Aerosol is collected inhibition and generation fertilizer.
Embodiment 3：
(1) sulfide hydrogen, hydrogen peroxide, ammonia pollution air enter transformation separator and separated.
(2) sulfide hydrogen, hydrogen peroxide pollution air enter arc discharge device, 8g spherical shape zinc oxide, plasma is added
Physical efficiency metric density is 10J/L, reaction time 10s, 100 DEG C of reaction temperature, makes the Oxidation of Hydrogen Sulfide within the scope of 500ppm at sulfur-bearing
Oxide.
(3) by the sulfur-containing oxide of generation and step 1), treated containing the ammonia, dirty containing ammonia in ammonia pollution air
It contaminates the moisture in air and introduces plasma oxidation device, reaction temperature is 80 DEG C, reaction time 20s, pressure 2bar, plasma
Ammonia in body oxidation unit is reacted with sulfur-containing oxide generates Ammonium Sulfate Aerosol, and pollution air is cleaned into purification air.
(4) purification air is separated in separation chamber with Ammonium Sulfate Aerosol, and the reaction temperature in separation chamber is 80 DEG C, instead
20s, pressure 2bar between seasonable, purification air are discharged in atmosphere by exhaust pipe, and Ammonium Sulfate Aerosol is collected inhibition and generation fertilizer.
The conversion ratio of hydrogen sulfide and ammonia known to the result of Fig. 3 increases with the increase of energy density of plasma.
A large amount of ammonium sulfate fertilizer is generated when the oxygenation efficiency control of hydrogen sulfide is 80%, and air has certain humidity.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification made to the above embodiment of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (9)
1. the processing method of a kind of plasma for purification sulfide hydrogen and ammonia pollution air, it is characterised in that：Including walking as follows
Suddenly：
S1, sulfide hydrogen are passed through separator with the pollution air of ammonia and are separated；
S2, will through step S1, treated that hydrogen sulfide containing pollution air is sent into plasma device, carry out under certain condition
Oxidation reaction generates sulfur-containing oxide；
S3, by the sulfur-containing oxide of generation and step S1, treated that the pollution air containing ammonia introduces chemical synthesis room, certain
Under the conditions of ammonia reacted with sulfur-containing oxide generate Ammonium Sulfate Aerosol, pollution air be cleaned into purification air；
S4, the mixture for handling gained Ammonium Sulfate Aerosol and purification air through step S3 is entered in separation chamber, in certain item
By Ammonium Sulfate Aerosol and purification air separation under part.
2. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：Separator is membrane separator, condensation separator or transformation separator in the step S1.
3. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：The step S2 plasma device be creeping discharge device, corona discharge assembly, dielectric barrier discharge device,
One or more of arc discharge device.
4. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：Catalyst is equipped in the step S2 plasma device, the shape of the catalyst is sphere, cylindrical body, length
One or more of cube or square, the catalyst be gold, silver, palladium, platinum or iron oxide, copper oxide, aluminium oxide,
Chromium oxide, magnesia, zinc oxide, titanium oxide, zirconium oxide, chromium oxide, nickel oxide or noble metal and metal oxide it is compound.
5. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：In the step S2 plasma oxidation device energy density of plasma be 0.2-10J/L, reaction time 1-10s,
- 10-100 DEG C of reaction temperature.
6. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：The step S3 chemosynthesis reaction room is catalytic oxidizing equipment, thermodynamics burner, plasma oxygen makeup
It sets, mixer, absorption tower or adsorption tower.
7. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：Reaction temperature is at -20-80 DEG C, residence time 2-20s, pressure 0.3- in the step S3 chemosynthesis reaction room
2bar。
8. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：Separation chamber is made of filter device, electrostatic precipitator and absorption tower in the step S4.
9. the processing method of a kind of plasma for purification sulfide hydrogen as described in claim 1 and ammonia pollution air, special
Sign is：Indoor reaction temperature is separated in the step S4 at -20-80 DEG C, residence time 2-20s, pressure 0.3-2bar.
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| CN201810612480.5A CN108816000B (en) | 2018-06-14 | 2018-06-14 | Resourceful treatment method for purifying air polluted by hydrogen sulfide and ammonia gas by using plasma |
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| CN201810612480.5A CN108816000B (en) | 2018-06-14 | 2018-06-14 | Resourceful treatment method for purifying air polluted by hydrogen sulfide and ammonia gas by using plasma |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440662A (en) * | 2023-03-16 | 2023-07-18 | 上海城投老港基地管理有限公司 | Method for separating and purifying ammonia gas in ammonia-containing mixed waste gas by using membrane |
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