CN107297127A - A kind of VOCs waste gas processing methods - Google Patents
A kind of VOCs waste gas processing methods Download PDFInfo
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- CN107297127A CN107297127A CN201710477947.5A CN201710477947A CN107297127A CN 107297127 A CN107297127 A CN 107297127A CN 201710477947 A CN201710477947 A CN 201710477947A CN 107297127 A CN107297127 A CN 107297127A
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- B01D53/14—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 absorption
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- 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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Abstract
The invention discloses a kind of VOCs waste gas processing methods, the VOCs waste gas processing methods include water curtain sprinkling processing, atomizing spray processing, gas-liquid separation processing, corona treatment and the infrared absorption particulate process step carried out successively；The clearance that the present invention realizes VOCs waste gas can reach more than 90%, solves the discharge standard requirement that existing waste gas pollution control and treatment technology is difficult to reach continuous improvement, eliminates exhaust emission of the VOCs waste gas to environment；Whole processing procedure is simple to operation, treatment effeciency is high, required equipment is few, and equipment energy consumption is low, and modern enterprise is met well to energy-saving and emission-reduction, the requirement of raising productivity effect, cost is reduced to economizing on resources and is significant.
Description
Technical field
The invention belongs to environmental protection technical field, and in particular to a kind of VOCs waste gas processing methods.
Background technology
In recent years, the whole nation there occurs more serious air pollution episode more, and this causes people to air quality increasingly
It is concerned about, while governments at all levels and environmental administration have put into effect multinomial special policy for this phenomenon so that waste gas pollution control and treatment industry is obtained
To flourish.Wherein VOCs（Volatile organic matter）Waste gas pollution control and treatment industry is more using low technical content, high operation due to early stage
The active carbon adsorption development of cost is slower.After various regions environmental protection carries mark, have VOCs discharge and it is untreated or processing after it is below standard
Enterprise need carry out VOCs processing.
Current VOCs waste gas pollution control and treatment technologies are mainly absorption method（Spray, charcoal absorption）, absorption method（Condensation, spray）
With direct removal method（Low temperature plasma, photochemical catalytic oxidation, condensed combustion）.Combustion method, mainly there is condensed combustion, flame combustion
With catalysis burning；Condensed combustion method is all flammable using the big multicomponent of organic exhaust gas, and high concentration VOCs is further concentrated, and is improved
The method directly burnt after concentration；Flame combustion is the method by the fuel such as natural gas and VOCs mixing after-combustions；Catalysis burning
Relatively low temperature is acted on by catalyst（250℃-450℃）The lower method by VOCs complete oxidations.Absorb（Reclaim）
Method, is mainly reclaimed including solvent absorption, Electrostatic Absorption and condensation；Solvent absorption is using the similar principle that mixes, by organic molten
Agent carries out separation recycling after VOCs is absorbed；Condensation reclaims then different using VOCs different components boiling point, passes through cooling down
Reclaim some components；Electrostatic Absorption is mainly used in the processing of oil-containing waste gas, makes adsorption recovery after small fuel carrying charges using electrostatic field.
Absorption method, mainly using charcoal absorption, activated carbon mainly by the Van der Waals for of micro-porous adsorption and surface lack of equilibrium and
Chemical bond force comes adsorption particle thing or gas molecule, reaches the purpose for removing VOCs.Decomposition method, mainly including photocatalysis, red
Outer absorption microparticle technologies and low temperature plasma method；Photocatalysis is that have extremely strong oxygen under ultraviolet light based on photochemical catalyst
The principle for the property changed, will adsorb the VOCs gas molecule oxidation Decompositions on surface；Low temperature plasma method is utilized in plasma
VOCs is resolved into CO by high energy particle and free radical2With the method for water.And conventional method is in the presence of low to difficult waste gas clearance
（Such as spray, low temperature plasma, charcoal absorption）, operating cost it is high（Such as charcoal absorption, condensed combustion, photochemical catalytic oxidation）
The problems such as.Such as charcoal absorption, on the one hand because operating cost is high, the active carbon adsorption equipment of many producers is in stop for a long time
Fortune, is only used in green audit；On the other hand, activated carbon need to be handled according to hazardous chemical after use, and practicality is significantly
Reduce, and for example traditional Low Temperature Plasma Treating technology, it uses frequency high voltage power supply or DC high-voltage power supply, passes through electricity
The forms such as corona remove VOCs, but particle can not interrupt the chemical bond of some big bond energys in the plasma of its generation, make
It is obtained to some VOCs clearances undergrounds, small molecule is broken into even for macromolecular, VOCs is dense after benzene type organic is processed
Degree is higher than before processing 1-2 times on the contrary.
Therefore it provides one kind removes VOCs and clearance height, efficiency high, operating cost are low, technique is simple, applicability is wide
Exhaust gas treatment technology be those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
The technical problems to be solved by the invention are to overcome one or more deficiencies of the prior art, a kind of by providing
Water curtain sprinkling is handled, atomizing spray processing, gas-liquid separation processing, corona treatment and infrared absorption particulate process step knot
The VOCs waste gas processing methods of conjunction, to realize the removal VOCs of low cost, high efficiency, safety, better people's living environment, promote society
Sustainable development.
To solve above technical problem, a kind of technical scheme that the present invention takes is as follows：
A kind of VOCs waste gas processing methods, the VOCs waste gas processing methods include water curtain sprinkling processing, the atomization carried out successively
Spray process, gas-liquid separation processing, corona treatment and infrared absorption particulate process step.
In certain specific embodiments of the invention, in the water curtain sprinkling process step, by VOCs waste gas from water
The bottom of curtain spray column is passed through, and is flowed out after water curtain sprinkling from top, and the water curtain sprinkling processing mode is sprayed using annular, institute
Stating annular spray includes multiple spray sections, and helically type is distributed multiple spray sections in the water curtain sprinkling tower.
In certain specific embodiments of the invention, in the atomizing spray process step, spray liquid includes aqueous,
The aqueous is atomized by atomizer to form moisture film layer by layer, the moisture film is used to capture the fine particle in VOCs waste gas, institute
Stating fine particle includes paint particle, toluene and dimethylbenzene.
In certain specific embodiments of the invention, in the gas-liquid separation process step, pass through gas-liquid separator
Droplet in VOCs waste gas and/or drop are removed, the gas-liquid separator is operated at normal temperatures and pressures.
, will be through the gas-liquid point in the plasma treatment step in certain specific embodiments of the invention
Electric field side of the VOCs waste gas treated from process step along the plasma-generating electrode parallel to plasma producing apparatus
To passing through the plasma-generating electrode so that being produced in VOCs waste gas includes electronics, cation, neutral particle, free radical
Entirety be in electroneutral plasma；And make it that the dust granule surface in VOCs waste gas is powered；Plasma and VOCs
Oxygen molecule, hydrone effect in waste gas, generation H, O, OH, O with strong oxidizing property3In active particle, VOCs waste gas
VOCs generates gaseous carbon dioxide and water in the presence of active particle.
In certain specific embodiments of the invention, the plasma-generating electrode include one group of high-voltage electrode and
One group of grounding electrode, the high-voltage electrode is coated with dielectric, the high-voltage electrode and ground connection electricity with grounding electrode
Extremely it is in linear array；The high-voltage electrode connects high voltage power supply, and the high voltage power supply is positive polarity DC high-voltage power supply, just
Polar impulse high voltage power supply or one kind in the DC stacked ac high voltage source of positive polarity or its combination.
In certain specific embodiments of the invention, in the infrared absorption particulate process step, it passes through infrared
Heating devices heat passes through the VOCs waste gas that the plasma treatment step is treated, so that the VOCs in waste gas absorbs infrared
Energy is simultaneously further acted on, and be decomposed to form carbon dioxide and water with air-flow plasma is remained in；The infrared heating dress
Put including RF transmitter, gas accommodating cavity, and the infrared absorption particulate being distributed on the accommodating cavity wall of the gas, institute
State and multiple columns be provided with gas accommodating cavity, multiple columns make the serpentine-like circulation of air-flow, the RF transmitter it is defeated
Go out the infrared light that wavelength is 760-850nm.
In certain specific embodiments of the invention, the VOCs waste gas processing methods are carried out using following processing system
Processing：
The processing system includes being sequentially connected the water curtain sprinkling tower of UNICOM, atomization spray tower, gas-liquid separator, plasma hair
Generating apparatus and infrared heating device；
The water curtain sprinkling tower includes multiple spray sections, and helically type divides multiple spray sections in the water curtain sprinkling tower
Cloth；The atomization spray tower includes atomizer and spray liquid, and the spray liquid passes through atomizer formation layer laminated film shape droplet；
The plasma producing apparatus includes plasma-generating electrode and high voltage power supply, the plasma-generating electrode bag
One group of high-voltage electrode and one group of grounding electrode are included, the high-voltage electrode is coated with dielectric with the grounding electrode,
The high-voltage electrode is in linear array with the grounding electrode；The high-voltage electrode connects the high voltage power supply, described
High voltage power supply is in positive polarity DC high-voltage power supply, positive pulse high voltage power supply or the DC stacked ac high voltage source of positive polarity
One kind or its combination；
The infrared heating device includes RF transmitter, gas accommodating cavity, and is distributed in the gas accommodating cavity
Multiple columns are provided with infrared absorption particulate, the gas accommodating cavity, multiple columns make the serpentine-like circulation of air-flow, described red
The output wavelength of outside line transmitter is 760-850nm infrared light.
Further, the plasma producing apparatus also includes pressure sensor and temperature sensor, and the pressure is passed
Sensor and temperature sensor, for monitoring the pressure and temperature in the plasma producing apparatus in real time.
In the present invention, VOCs total removal rates are more than or equal to 75% in the waste gas after the VOCs waste gas processing methods processing,
Wherein, in waste gas：Benzene≤17mg/m3；Toluene≤60mg/m3；Dimethylbenzene≤90mg/m3.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art：
1st, the present invention water curtain sprinkling is handled, atomizing spray processing, gas-liquid separation processing, corona treatment and infrared absorption it is micro-
Grain process step is organically combined, and each step is mutually acted synergistically, is realized VOCs qualified discharges, and handling process it is simple,
Operating cost is low, applicability is wide, VOCs clearances high.
2nd, the present invention solves the problem of Conventional cryogenic plasma technique is low to difficult waste gas decomposition clearance, and the application
The middle flow direction by VOCs waste gas is arranged to put down with the direction of an electric field of the plasma-generating electrode of plasma producing apparatus
OK, overcome flue gas flow rate it is excessive or too small when the reduction of corona treatment effect that causes, increase flue gas and plasma
The time of contact of body, contact area, to realize the efficient utilization of plasma.
3rd, the present invention is coordinated plasma treatment step, realized using unique infrared absorption particulate process step
The high clearance of VOCs waste gas, and device is simple, cost is low, energy consumption is low, meets current demand, is suitably widely applied.
4th, using the VOCs waste gas processing methods of the present invention, not only invest that small, operation expense is low, occupation area of equipment
Small, treatment effeciency is high, and also achieves efficient deodorizing, eliminates the unusual smell, and the waste gas after processing can fully meet various regions environmental protection
The particular technique index request of office, while by adding temperature control and Stress control, it is to avoid because air draft failure or other
VOCs concentration such as drastically raises at the detonation caused by security incident in short time caused by some reasons, prevents it from feeding through to car
Between, the injures and deaths of staff are caused, security performance is greatly improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the VOCs processing methods of the present invention；
Fig. 2 is the schematic diagram of one of embodiment of the VOCs processing methods of the present invention；
Fig. 3 is the structural representation of the plasma producing apparatus of the present invention；
Fig. 4 is the structural representation of the infrared heating device of the present invention.
Embodiment
Technical scheme and its advantage are described in detail with reference to specific embodiment and accompanying drawing.
Embodiment 1
Sampling analysis is carried out to the VOCs waste gas of certain factory, its specific nature is as follows：
Wherein, in waste gas：Benzene 106.3mg/m3；Toluene 287.5mg/m3；Dimethylbenzene 627.5mg/m3.
As Figure 1-4, the present embodiment provides a kind of VOCs waste gas processing methods, comprises the following steps：
1）Water curtain sprinkling processing
The bottom of VOCs waste gas from water curtain sprinkling tower 1 is passed through, flowed out after water curtain sprinkling from top, the water curtain sprinkling processing
Mode is sprayed using annular, and the annular spray includes multiple spray sections 11, and multiple spray sections 11 are in the water curtain sprinkling
Helically type is distributed in tower 1；
2）Atomizing spray processing
Wherein, spray liquid includes aqueous, and the aqueous is atomized by atomizer 21 to form moisture film layer by layer, and the moisture film is used to catch
The fine particle in VOCs waste gas is obtained, the fine particle includes paint particle, toluene and dimethylbenzene；
3）Gas-liquid separation is handled
The droplet in VOCs waste gas and/or drop are removed by gas-liquid separator 3, the gas-liquid separator 3 is in normal temperature and pressure
Lower operation；
4）Corona treatment
By plasma of the VOCs waste gas edge treated through the gas-liquid separation process step parallel to plasma producing apparatus 4
Body occur electrode direction of an electric field pass through the plasma-generating electrode so that in VOCs waste gas produce include electronics, just from
Son, neutral particle, the entirety of free radical are in the plasma of electroneutral；And cause the dust granule surface band in VOCs waste gas
Electricity；Plasma is acted on the oxygen molecule in VOCs waste gas, hydrone, generation H, O, OH, O with strong oxidizing property3Active grain
VOCs in son, VOCs waste gas generates gaseous carbon dioxide and water in the presence of active particle；The plasma occurs
Electrode includes one group of high-voltage electrode 42 and one group of grounding electrode 43, and the high-voltage electrode 42 is coated with grounding electrode 43
Dielectric 41, the high-voltage electrode 42 is in linear array with grounding electrode 43；The high-voltage electrode 42 connects high pressure
Power supply 46, the high voltage power supply 46 is that positive polarity DC high-voltage power supply, positive pulse high voltage power supply or positive polarity are DC stacked
One kind or its combination in ac high voltage source；
In the present embodiment, the direction of an electric field of plasma is arranged to consistent with the direction of VOCs air-flows, increases VOCs gas
The time of contact of stream and plasma line, contact area, to realize maximized utilization plasma line, and then can be saved
Consumption can be subtracted, it is cost-effective.
5）The processing of infrared absorption particulate
It heats the VOCs waste gas treated by the plasma treatment step by infrared heating device 5, so that waste gas
In VOCs absorb infrared energy and and remain in air-flow plasma and further act on, and be decomposed to form carbon dioxide and
Water；The infrared heating device 5 includes RF transmitter, gas accommodating cavity 53, and is distributed in the gas accommodating cavity 53
Multiple columns 51 are provided with interior infrared absorption particulate 52, the gas accommodating cavity 53, multiple columns 51 make air-flow be in snake
Shape circulates, and the output wavelength of the RF transmitter is 800nm infrared light；
Last waste gas is discharged through chimney 6.
Meanwhile, the VOCs waste gas processing methods of the present embodiment are handled using following processing system：
The processing system includes being sequentially connected water curtain sprinkling tower 1, atomization spray tower 2, gas-liquid separator 3, the plasma of UNICOM
Body generating means 4 and infrared heating device 5；
The water curtain sprinkling tower 1 include multiple spray sections 11, multiple spray sections 11 in the water curtain sprinkling tower 1 helically
Type is distributed；The atomization spray tower 2 includes atomizer 21 and spray liquid, and the spray liquid is formed layer by layer by the atomizer 21
Membranaceous droplet；
The plasma producing apparatus 4 includes plasma-generating electrode and high voltage power supply, the plasma-generating electrode
Including one group of high-voltage electrode 42 and one group of grounding electrode 43, the high-voltage electrode 42 is coated with the grounding electrode 43
Dielectric 41, the high-voltage electrode 42 is in linear array with the grounding electrode 43；The high-voltage electrode 42 is connected
The high voltage power supply 46, the high voltage power supply 46 is positive polarity DC high-voltage power supply, positive pulse high voltage power supply or positive polarity
One kind or its combination in DC stacked ac high voltage source；
The infrared heating device 5 includes RF transmitter（It is not shown）, gas accommodating cavity 53, and be distributed in the gas
Multiple columns 51 are provided with infrared absorption particulate 52 in accommodating cavity 53, the gas accommodating cavity 53, multiple columns 51 make
The serpentine-like circulation of air-flow, the output wavelength of the RF transmitter is 800nm infrared light.
Further, the plasma producing apparatus 4 also includes pressure sensor 45 and temperature sensor 44, the pressure
Force snesor 45 and temperature sensor 44, for monitoring the pressure and temperature in the plasma producing apparatus 4 in real time.
A whole set of VOCs waste gas treatment process first tentatively catches big dust particle with water curtain sprinkling；Then by atomizing spray
Fine particle in the moisture film layer by layer that spray liquid is formed by the atomization of atomizer 21 in tower 2, waste gas（Paint particle, toluene, two
Toluene etc.）By the water capture in deduster, enter gas-water channel through cascade, make after the organic VOCs gases in part and atomization absorption
Particulate matter by spray enter sewerage, by this step VOCs removal efficiency up to 15% or so；The He of temperature sensor 44
The setting of pressure sensor 45 can be avoided because of VOCs concentration in the short time caused by air draft failure or some other reason
The drastically detonation caused by security incident such as rise feeds through to workshop；Gas-liquid separation handles the pretreatment as corona treatment
Technique, which can be removed, largely sprays steam for bringing etc., it is to avoid plasma processing efficiency is affected；Plasma technique
Remaining VOCs gas molecules are resolved into CO with infrared absorption microparticle technologies2And H2O, total VOCs gases resolution ratio is reached as high as
To more than 90%, and peculiar smell of the tail gas without general processing method, stink.
VOCs total removal rates 92% in waste gas after the VOCs waste gas processing methods processing of the present embodiment, wherein, in waste gas：
Benzene 8.5mg/m3；Toluene 23.0mg/m3；Dimethylbenzene 50.2mg/m3.
It was found from foregoing description, the beneficial effects of the present invention are：The clearance for realizing VOCs waste gas can reach
More than 90%, the discharge standard requirement that existing waste gas pollution control and treatment technology is difficult to reach continuous improvement is solved, VOCs waste gas is completely eliminated
To the exhaust emission of environment；Whole processing procedure is simple to operation, treatment effeciency is high, required equipment is few, and equipment energy consumption is low, very well
Meet modern enterprise to energy-saving and emission-reduction, improve productivity effect requirement, to economize on resources reduce cost be significant.
Comparative example one
General Low Temperature Plasma Treating technical matters flow is：Water curtain sprinkling → Low Temperature Plasma Treating → Water spray →
Discharge
Result：VOCs total removal rates are 50%, wherein, in waste gas：Benzene content is 53.1mg/m3；Toluene level is
143.3mg/m³；Xylene content is 313.8mg/m3.
Comparative example two
The basic be the same as Example 1 of this example, difference is that the processing of this example plasma uses Low Temperature Plasma Treating, and does not include
The processing of infrared absorption particulate.
Technological process is：Water curtain sprinkling → atomizing spray → gas-liquid separation → Low Temperature Plasma Treating → discharge
Result：VOCs total removal rates are 60% in waste gas, wherein, in waste gas：Benzene content is 42.5mg/m3；Toluene level is
115.0mg/m³；Xylene content is 251.0mg/m3.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (10)
1. a kind of VOCs waste gas processing methods, it is characterised in that the VOCs waste gas processing methods include the water curtain carried out successively
Spray process, atomizing spray processing, gas-liquid separation processing, corona treatment and infrared absorption particulate process step.
2. VOCs waste gas processing methods according to claim 1, it is characterised in that in the water curtain sprinkling process step
In, the bottom of VOCs waste gas from water curtain sprinkling tower is passed through, flowed out after water curtain sprinkling from top, the water curtain sprinkling processing side
Formula is sprayed using annular, and the annular spray includes multiple spray sections, and multiple spray sections are in the water curtain sprinkling tower
Screw type is distributed.
3. VOCs waste gas processing methods according to claim 1, it is characterised in that in the atomizing spray process step
In, spray liquid includes aqueous, and the aqueous is atomized by atomizer to form moisture film layer by layer, and the moisture film gives up for capturing VOCs
Fine particle in gas, the fine particle includes paint particle, toluene and dimethylbenzene.
4. VOCs waste gas processing methods according to claim 1, it is characterised in that in the gas-liquid separation process step
In, the droplet in VOCs waste gas and/or drop are removed by gas-liquid separator, the gas-liquid separator is grasped at normal temperatures and pressures
Make.
5. VOCs waste gas processing methods according to claim 1, it is characterised in that in the plasma treatment step
In, by plasma of the VOCs waste gas edge treated through the gas-liquid separation process step parallel to plasma producing apparatus
Occur electrode direction of an electric field pass through the plasma-generating electrode so that in VOCs waste gas produce include electronics, cation,
Neutral particle, the entirety of free radical are in the plasma of electroneutral；And make it that the dust granule surface in VOCs waste gas is powered；
Plasma is acted on the oxygen molecule in VOCs waste gas, hydrone, generation H, O, OH, O with strong oxidizing property3Active particle,
VOCs in VOCs waste gas generates gaseous carbon dioxide and water in the presence of active particle.
6. VOCs waste gas processing methods according to claim 5, it is characterised in that the plasma-generating electrode includes
One group of high-voltage electrode and one group of grounding electrode, the high-voltage electrode are coated with dielectric, the height with grounding electrode
Voltage electrode is in linear array with grounding electrode；The high-voltage electrode connects high voltage power supply, and the high voltage power supply is positive pole
Property DC high-voltage power supply, positive pulse high voltage power supply or one kind or its group in the DC stacked ac high voltage source of positive polarity
Close.
7. VOCs waste gas processing methods according to claim 1, it is characterised in that walked in infrared absorption particulate processing
In rapid, it heats the VOCs waste gas treated by the plasma treatment step by infrared heating device, so that waste gas
In VOCs absorb infrared energy and and remain in air-flow plasma and further act on, and be decomposed to form carbon dioxide and
Water；The infrared heating device includes RF transmitter, gas accommodating cavity, and is distributed in red in the gas accommodating cavity
Multiple columns are provided with outer absorption particulate, the gas accommodating cavity, multiple columns make the serpentine-like circulation of air-flow, described infrared
The output wavelength of line transmitter is 760-850nm infrared light.
8. the VOCs waste gas processing methods according to any one of claim 1-7 claim, it is characterised in that the VOCs
Waste gas processing method is handled using following processing system：
The processing system includes being sequentially connected the water curtain sprinkling tower of UNICOM, atomization spray tower, gas-liquid separator, plasma hair
Generating apparatus and infrared heating device；
The water curtain sprinkling tower includes multiple spray sections, and helically type divides multiple spray sections in the water curtain sprinkling tower
Cloth；The atomization spray tower includes atomizer and spray liquid, and the spray liquid passes through atomizer formation layer laminated film shape droplet；
The plasma producing apparatus includes plasma-generating electrode and high voltage power supply, the plasma-generating electrode bag
One group of high-voltage electrode and one group of grounding electrode are included, the high-voltage electrode is coated with dielectric with the grounding electrode,
The high-voltage electrode is in linear array with the grounding electrode；The high-voltage electrode connects the high voltage power supply, described
High voltage power supply is in positive polarity DC high-voltage power supply, positive pulse high voltage power supply or the DC stacked ac high voltage source of positive polarity
One kind or its combination；
The infrared heating device includes RF transmitter, gas accommodating cavity, and is distributed in the accommodating cavity wall of the gas
On infrared absorption particulate, multiple columns are provided with the gas accommodating cavity, multiple columns make the serpentine-like circulation of air-flow, institute
The output wavelength for stating RF transmitter is 760-850nm infrared light.
9. VOCs waste gas processing methods according to claim 8, it is characterised in that the plasma producing apparatus is also wrapped
Pressure sensor and temperature sensor are included, the pressure sensor, temperature sensor are used to monitor the plasma hair in real time
Pressure and temperature in generating apparatus.
10. VOCs waste gas processing methods according to claim 1, it is characterised in that at the VOCs waste gas processing methods
VOCs total removal rates are more than or equal to 75% in waste gas after reason, wherein, in waste gas：Benzene≤17mg/m3；Toluene≤60mg/m3；Two
Toluene≤90mg/m3.
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| CN109045968A (en) * | 2018-05-28 | 2018-12-21 | 四川锐源能环科技有限公司 | A kind of ultra-clean processing technique equipment of volatile organic waste gas |
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| CN105396440A (en) * | 2015-12-25 | 2016-03-16 | 浙江工商大学 | Apparatus and method for heat corona discharge catalytic oxidation treatment of VOCs in industrial exhaust gas |
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| CN111659232A (en) | 2020-09-15 |
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