KR102179839B1 - Reactor for purifying the atmosphere using the electron beam and apparatus for purifying the atmosphere including the same - Google Patents

Abstract

A reaction device for air purification using an electron beam and an air purification device including the same are provided. The reaction apparatus for air purification using an electron beam according to an exemplary embodiment of the present invention includes a plurality of reactors including an inlet, an outlet, and a transmission portion to purify a fluid passing through the interior using an electron beam, and the plurality of reactors Are connected in series with each other to sequentially purify the fluid multiple times, and the two reactors connected in series are connected in series with the outlet of the reactor disposed at the front end and the inlet of the reactor disposed at the rear end to form a venturi tube. To form.

Description

Reactor for purifying the atmosphere using the electron beam and apparatus for purifying the atmosphere including the same

The present invention relates to a reaction device for air purification using an electron beam and an air purification device including the same.

As for atmospheric purification technology using electron accelerators, various technologies have been introduced worldwide since the 1990s, and atmospheric purification technologies using various electron beams have been introduced in Korea in the 2000s.

However, in a general electron accelerator applied to atmospheric purification technology, the window for drawing the electron beam has a rectangular shape, and only the width of the irradiation window is changed according to the user's environment and beam energy.

The transmission depth of the electron beam irradiated by the electron accelerator is determined depending on the acceleration voltage of the electron accelerator, that is, the beam energy. In general, the effective penetration depth of an electron beam is 2/3 of the maximum transmission depth, and thus a significant amount of energy (30% or more) drawn out through the irradiation window is lost.

Accordingly, in the conventional reactor for air purification using an electron beam, in order to process a large amount of flue gas, an electron accelerator having a higher energy than necessary in consideration of the effective transmission depth and loss of the electron beam, etc., was applied to secure the processing capacity.

For this reason, the conventional atmospheric purification reactor for treating flue gas emitted from industrial sites with a large capacity must be applied with an electron accelerator having more beam energy than necessary, so the size is bound to increase. This has a problem in that the size of the chamber for shielding radiation is inevitably increased, and the installation cost is also rapidly increased.

The present invention has been devised in view of the above points, and an object of the present invention is to provide a reaction device for air purification using an electron beam capable of effectively purifying flue gas with high pollution and an air purification device including the same.

In addition, the present invention is to provide a reaction device for air purification using an electron beam that can be uniformly irradiated while the flue gas is completely irradiated with an electron beam by passing through the inside of the reactor while rotating the flue gas, and an atmospheric purification device including the same. have.

According to an aspect of the present invention, a plurality of reactors including an inlet, an outlet, and a transmission part are included to purify the fluid passing through the interior using an electron beam, and the plurality of reactors sequentially transfer the fluid a plurality of times. The two reactors are connected in series so that they can be purged with each other, and the outlet of the reactor disposed at the front and the inlet of the reactor disposed at the rear are connected in series to each other to form a venturi tube. Provides.

According to another aspect of the present invention, a plurality of chambers having an inner space; A reaction device for air purification using the electron beam; And a plurality of electron beam generators each provided in the plurality of chambers, wherein the plurality of reactors provide an atmosphere purifying apparatus mounted one-to-one in the plurality of chambers.

According to the present invention, two reactors are connected in series with each other, and a portion connected to each other forms a venturi tube, so that the pressure inside the reactor can be reduced while increasing treatment efficiency through sequential purification. Through this, the present invention can increase the processing efficiency even when a low-energy electron beam is used, and can increase the durability of the reactor.

In addition, according to the present invention, since the entire facility can be downsized, self-shielding is possible, and cost can be significantly improved compared to the prior art employing a high-energy electron beam method.

1 is a schematic diagram showing a reaction apparatus for air purification using an electron beam according to an embodiment of the present invention.
2 is a view showing a state in which a part of the housing in FIG. 1 is cut.
3 is an exploded view showing a detailed configuration of a reactor that can be applied to FIG. 1.
4 is a view as viewed from the front of the housing in a state in which the inlet port is removed in FIG. 3.
5 is a view showing various types of guide parts that can be applied to a reaction device for air purification using an electron beam.
6 is a schematic diagram showing an air purification apparatus according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the present invention. The present invention may be implemented in various different forms, and is not limited to the embodiments described herein. In the drawings, parts not related to the description are omitted in order to clearly describe the present invention, and the same reference numerals are added to the same or similar components throughout the specification.

In the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, a fluid introduced from the outside, for example, flue gas, sequentially passes through a plurality of reactors 100a, 100b, and each reactor 100a, 100b ), it is possible to increase the durability of the reactors 100a and 100b while increasing the processing efficiency through sequential purification by absorbing the energy of the electron beam provided from the ).

To this end, the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention may include a plurality of reactors 100a and 100b as shown in FIGS. 1 and 2, and the plurality of reactors (100a, 100b) may be connected in series with each other.

Accordingly, in the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, the purification action occurs multiple times while the fluid introduced from the outside sequentially passes through the plurality of reactors 100a and 100b. Treatment efficiency can be dramatically improved.

In addition, the reaction apparatus 100 for purifying the atmosphere using an electron beam according to an embodiment of the present invention is the size of each reactor as the fluid passes through the plurality of reactors 100a and 100b sequentially and the purification action occurs multiple times. It is possible to reduce and smoothly treat a fluid with high contamination level even when a low energy electron beam is supplied to each reactor.

At this time, in the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, portions connected to each other in a plurality of reactors 100a and 100b connected in series may be connected to each other through a venturi tube.

For this reason, in the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, each of the reactors 100a, 100b, although a plurality of reactors are connected in series with each other to increase the total path of the fluid passing through the entire reactor. By being able to lower the pressure applied to the inside, it is possible to downsize and increase durability.

For example, the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention includes a first reactor 100a and a second reactor 100b connected in series with each other as shown in FIGS. 1 and 2. The first reactor 100a may be disposed at a front end of the second reactor 100b, and the outlet 113 of the first reactor 100a is an inlet of the second reactor 100b. 112) can be connected in series with each other to form a venturi tube.

Accordingly, in the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, the fluid introduced from the outside toward the first reactor 100a absorbs the energy of the electron beam in the first reactor 100a. After the first reaction occurs, the fluid may move toward the second reactor 100b, and the fluid that has passed through the first reactor 100a and moved toward the second reactor 100b reduces the energy of the electron beam in the second reactor 100a. Absorptive secondary reactions can occur.

Accordingly, in the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, a purification action occurs multiple times while the fluid sequentially passes through the first reactor 100a and the second reactor 100b. As a result, the size of each reactor can be reduced, and even if a low-energy electron beam is supplied to each reactor, fluid with high contamination can be smoothly treated.

In addition, in the reaction apparatus 100 for purifying the atmosphere using an electron beam according to an embodiment of the present invention, the fluid in which the first reaction occurs in the first reactor 100a is discharged from the outlet 113 and the first reactor 100a. 2 It is possible to move toward the second reactor 100b through the venturi tube formed through the connection of the inlet 112 of the reactor 100b.

Accordingly, the fluid moving from the first reactor (100a) to the second reactor (100b) is introduced into the second reactor (100b) after the pressure is reduced by generating a venturi effect in the process of passing through the venturi tube. I can.

For this reason, in the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention, each of the reactors 100a, 100b, although a plurality of reactors are connected in series with each other to increase the total path of the fluid passing through the entire reactor. By being able to lower the pressure applied to the inside, it is possible to downsize and increase durability.

The Venturi effect is a phenomenon in which the pressure of the fluid is relatively reduced when passing through a narrow section with a small diameter in a pipe. Since such a Venturi effect is a known content, a detailed description will be omitted.

On the other hand, the first reactor 100a and the second reactor 100b applied to the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention may be a known reactor using an electron beam, which will be described later. A reactor having a structure may be employed, and the first reactor 100a and the second reactor 100b may adopt the same configuration.

As an example, the first reactor 100a and the second reactor 100b applied to the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention have low energy by rotating and moving the fluid introduced into the inside. Even if an electron beam is used, it may be configured to uniformly irradiate the fluid.

As a non-limiting example, the first reactor 100a and the second reactor 100b include a housing 110 including an inlet 112 and an outlet 113, as shown in FIGS. 2 and 3, and a guide part. It may include 120 and the transmissive portion 130.

The housing 110 may be formed in a hollow shape having a predetermined length so that the fluid introduced from the outside can pass, and the guide part 120 may be disposed inside the housing 110.

Specifically, the housing 110 may include a hollow body 111 with open both ends and an inlet 112 and an outlet 113 respectively provided at both open ends of the body 111, The guide part 120 may be disposed in the body 111 along the longitudinal direction.

In addition, at one side of the body 111, a transmission part 130 for transmitting an electron beam irradiated from the outside to the inside of the body 111 may be provided.

Accordingly, the fluid introduced through the inlet 112 may flow along the guide part 120 inside the body 111 and then be discharged to the outside through the outlet 113, and the fluid is In the process of passing through the inside of the body 111, the electron beam introduced through the transmission unit 130 may be irradiated.

In this case, the body 111 may be formed such that a cross section perpendicular to the longitudinal direction has a circular cross section. Preferably, the body 111 may be formed to have a circular cross-section except for the permeable portion 130.

As an example, the body 111 may be formed to have a circular cross section in a longitudinal direction and a cross section, and the body 111 may be formed to have the same inner diameter with respect to the entire length.

In this case, a part of the body 111 on which the transmission part 130 is formed may be formed so that the rest of the body 111 except for the transmission part 130 has an arc-shaped cross section.

In addition, the inlet 112 has an inlet 112a having an inner diameter relatively smaller than the inner diameter of the body 111, and the inner diameter increases from the end of the inlet 112a to the end of the body 111 It may include an expansion portion (112b) formed to be.

In addition, the outlet 113 has an outlet 113a having an inner diameter relatively smaller than the inner diameter of the body 111, similar to the inlet 112, and the outlet 113a from the end of the body 111 ) May include a reduction portion (113b) formed to decrease the inner diameter toward the side.

Through this, the fluid introduced from the outside through the inlet 112 can be smoothly introduced into the body 111 through the pressure gradient, and through the inlet 112 to the inside of the body 111 The introduced fluid may be discharged to the outside through the outlet 113 while being rotated through the guide part 120.

In addition, as described above, when the first reactor 100a and the second reactor 100b are connected in series with each other, the outlet 113 of the first reactor 100a is an inlet of the second reactor 100b. 112), and the outlet 113 of the first reactor 100a and the inlet 112 of the second reactor 100b have a reduction portion 113b, an outlet 113a, an inlet 112a, and an expansion. The opening 112b may be sequentially connected to form a venturi tube.

Through this, the fluid introduced from the outside through the inlet 112 can be smoothly introduced into the body 111 through the pressure gradient, and through the inlet 112 to the inside of the body 111 Even if the introduced fluid is rotated through the guide unit 120, it may be discharged to the inlet or the outside of the second reactor 100b disposed at the rear end through the reduction unit 113b and the outlet 113a.

Due to this, even if the fluid introduced into the body 111 is rotated through the guide unit 120 inside the body 111, it is possible to minimize the occurrence of turbulence in the process of passing through the outlet 113. As a result, it is possible to prevent a delay in the passing speed of the fluid, and thus it is possible to prevent a delay in the processing speed of the fluid.

In addition, the fluid moving from the first reactor (100a) to the second reactor (100b) may flow into the second reactor (100b) after the pressure is reduced by generating a venturi effect in the process of passing through the venturi tube. have. For this reason, durability can be improved by preventing the guide part 120 which is disposed inside the body 111 of the second reactor 100b and guides the movement path of the fluid from being damaged by high pressure.

The guide part 120 may guide a movement path of the fluid flowing into the body 111 through the inlet 112, and the guide part 120 allows the fluid to flow through the body 111 In the process of passing through the inside, the fluid may be rotated.

To this end, the guide part 120 may include a central axis 122 and a wing portion 121 wound around the central axis 122 as shown in FIG. 3 or 5, and the guide The part 120 may be disposed in the body 111 along the longitudinal direction.

In this case, the wing part 121 may be wound in a spiral shape at least once or more along a central axis 122 disposed in parallel with the longitudinal direction of the housing 110.

In addition, the wing portion 121 may be formed as a curved surface having a width (R2) of the same size as the inner radius (R1) of the body 111 as shown in FIG. 4.

In addition, the wing portion 121 may be disposed so that one end of the wing portion is in contact with the inner surface of the body 111, and the central axis 122 on which the wing portion 121 is wound is a longitudinal direction of the body 111 It may be disposed in parallel with, and the central axis 122 may be disposed inside the body 111 so as to coincide with the central axis of the body 111.

Through this, all fluid flowing into the body 111 through the inlet 112 can move toward the outlet 113 along the surface of the wing portion 121, and through the inlet 112 All fluids flowing into the body 111 may move to a position close to the transmission part 130 by being rotated through the wing part 121 in the process of moving toward the outlet 113.

In the present invention, the number of turns of the wing part 121 may be 4 or 8 turns as shown in FIG. 5, but is not limited thereto, and the total number of turns of the wing part 121 is a fluid to be treated It can be appropriately changed to suit the capacity of

In addition, in the drawings, the wing portion 121 is shown to be spirally wound at least one or more times with respect to the central axis 122 arranged parallel to the length direction of the body 111, but the present invention is limited thereto. It is not, and the central axis 122 may be omitted. In this case, the guide portion 120 may be composed of only the wing portion 121 spirally wound at least one or more times with respect to a virtual central axis arranged parallel to the length direction of the body 111.

As described above, the reactors 100a and 100b applicable to the reaction apparatus 100 for air purification using an electron beam according to an embodiment of the present invention include a fluid flowing into the body 111 through the inlet 112. In the process of moving to the outlet 113, the fluid flowing into the body 111 may be moved to a position close to the first transmission part 120a by being rotated through the guide part 120, and the transmission part ( The fluid moved to a position close to 130 may be irradiated to the electron beam introduced through the transmission part 130 and then discharged to the outside through the outlet 113.

Through this, all fluids flowing into the body 111 through the inlet 112 are guided through the guide unit 120 to move to a position close to the permeable unit 130, thereby the permeable unit 130 Even if the intensity of the electron beam introduced through is weak, the electron beam may be irradiated and then discharged to the outside through the outlet 113.

Accordingly, the reactors 100a and 100b of the present embodiment can fundamentally block all fluids flowing into the body 111 from being directly discharged to the outside without being irradiated with the electron beam.

Through this, the reactors (100a, 100b) of the present embodiment can uniformly irradiate the electron beam to the fluid side even if the electron beam having a low energy of 0.5 MeV or less through the transmission portion 130 is irradiated to the fluid, thereby reducing the overall size. While miniaturization, sufficient processing capacity can be secured.

Accordingly, the reactors 100a and 100b of the present embodiment can be self-shielding because the overall size of the reactors 100a and 100b can be miniaturized, and the facility cost can be significantly reduced compared to the prior art employing a high-energy electron beam method.

The transmission part 130 may transmit an electron beam irradiated from the outside to the inside of the body 111. Through this, the fluid passing through the inside of the body 111 may be exposed to the electron beam introduced through the transmission part 130. The transmission part 130 may be disposed in the middle of the length of the body 111.

To this end, the body 111 may include an opening 114 formed with a predetermined size in the middle of its length, and the transmission part 130 may be disposed to cover the opening 114.

Here, the transmission part 130 may be a plate-shaped film member having a predetermined area, but is not limited thereto, and any material capable of smoothly transmitting an electron beam may be used.

In this case, the transmission part 130 may be detachably coupled to the body 111. To this end, the body 111 may include a flange portion 115 formed along the rim of the opening 114, and the flange portion 115 side is a fastening frame with a through portion 142 formed therein ( 140) can be combined.

In this case, the permeable portion 130 may have an edge side disposed between the flange portion 115 and the fastening frame 140. Accordingly, when the fastening frame 140 and the flange portion 115 are coupled to each other, the rim side of the transmission portion 130 may be fixed through the fastening frame 140 and the flange portion 115, respectively, and the through It may be exposed to the outside through the part 142.

In addition, on the contact surface of the flange portion 115 and the transmission portion 130 facing each other, a sealing member, such as an O-ring, for preventing the fluid flowing inside the body 111 from leaking out through the opening 114 ( 150) can be deployed.

Meanwhile, the reaction apparatus 100 for air purification using an electron beam described above may be applied to the air purification apparatus 1000.

For example, the atmosphere purifying apparatus 1000 according to an embodiment of the present invention includes a plurality of chambers 200a and 200b having an internal space, a reaction apparatus 100 for purifying the atmosphere, and a plurality of electron beam generators as shown in FIG. 6. It may include (300).

Here, the reaction apparatus 100 for air purification may be applied as it is to the reaction apparatus 100 for air purification described above. That is, the reaction apparatus 100 for air purification may include a first reactor 100a and a second reactor 100b as described above, and the first reactor 100a and the second reactor 100b are It may be connected in series, and the outlet 113 of the first reactor 100a and the inlet 112 of the second reactor 100b may be connected in series to form a venturi tube.

Since the detailed configuration and coupling relationship of the first reactor 100a and the second reactor 100b are the same as those described above, a detailed description will be omitted.

The plurality of chambers 200a and 200b may be formed in a housing shape having an internal space. Such a plurality of chambers 200a and 200b may provide an installation space in which the reaction device 100 for air purification and the electron beam generator 300 are installed, and serves to shield the electron beam irradiated from the electron beam generator 300 Can be done. For example, the chamber 200 may be made of a metal material such as aluminum.

In this case, in the atmosphere purification apparatus 1000 according to the present embodiment, the total number of the plurality of reactors constituting the atmosphere purification reaction apparatus 100 and the total number of the plurality of chambers may be the same number.

Through this, a plurality of reactors constituting the reaction apparatus 100 for air purification may be individually mounted in the plurality of chambers.

For example, the plurality of chambers may include a first chamber 200a in which the first reactor 100a is mounted and a second chamber 200b in which the second reactor 100b is mounted.

In this case, the first reactor 100a and the second reactor 100b have the inlet 112 and outlet 113 sides fixed to the first chamber 200a and the second chamber 200b, respectively. The electron beam generator 300 may be disposed in the inner space of the first chamber 200a and the second chamber 200b so as to be positioned at a position corresponding to the transmission part 130.

Accordingly, the electron beam generated by the electron beam generator 300 may be smoothly transmitted into the body 111 through the transmission portion 130 of the first and second reactors 100a and 100b. Here, the electron beam generator 300 may be a low-energy electron accelerator that generates an electron beam having a low energy of 0.5 MeV or less. In this case, the chambers 200a and 200b may function as a shielding chamber for shielding radiation of the electron beam generated by the electron beam generator 300.

Through this, in the atmosphere purifying apparatus 1000 according to an embodiment of the present invention, the first chamber 200a and the second chamber 200b are configured to each of the reactors 100a and 100b and one electron beam generator 300. It can be implemented in a minimum size for installation, and can sufficiently shield the radiation of the electron beam generated by one electron beam generator 300.

Accordingly, the atmosphere purifying apparatus 1000 according to an embodiment of the present invention can minimize the size of each chamber 200a and 200b, and unit modules including one reactor and one electron beam generator are in series with each other. It can be implemented in a connected form.

For this reason, the air purification apparatus 1000 according to an embodiment of the present invention can increase convenience in use by appropriately changing the number of unit modules used according to the degree of contamination of the fluid to be treated.

In this case, the inlet 112 of the reactor 100a disposed in the first chamber 200a may be directly connected to the exhaust gas supply source 400. For example, the exhaust gas supply source 400 may be an exhaust gas duct of a production facility. Accordingly, the atmosphere purifying apparatus 1000 according to an embodiment of the present invention increases convenience in use by directly connecting the inlet 112 to the exhaust gas duct when it is necessary to purify the fluid discharged from the exhaust gas duct. I can.

Meanwhile, in the above description, the electron beam generator 300 is a low energy electron accelerator of 0.5 MeV or less, but the electron beam generator 300 is not limited thereto, and a medium energy or high energy electron accelerator exceeding 0.5 MeV It should be noted that the reaction apparatus 100 for atmospheric purification using an electron beam described above can also be applied to an atmospheric purification apparatus using a medium energy or high energy electron accelerator exceeding 0.5 MeV.

In addition, in the drawings and the above description, it is illustrated and described that there are two reactors employed in the reaction apparatus 100 and the atmosphere purifying apparatus 1000 for atmospheric purification using an electron beam according to an embodiment of the present invention. The total number of reactors used for is not limited thereto, and if parts connected to each other are connected in series through a venturi tube, it may be appropriately changed according to the degree of contamination of the fluid to be treated.

In addition, a plurality of reactors connected in series with each other may be of the same size, but may be of different sizes.

Although an embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiment presented in the present specification, and those skilled in the art who understand the spirit of the present invention can add components within the scope of the same idea. It will be possible to easily propose other embodiments by changing, deleting, adding, etc., but it will be said that this is also within the scope of the present invention.

100: reaction device for atmospheric purification using electron beam
100a: first reactor 100b: second reactor
110: housing 111: body
112: inlet 113: outlet
114: opening 115: flange portion
120: guide part 130: transmission part
140: fastening frame 142: through part
150: sealing member

Claims (14)

It includes a plurality of reactors including an inlet, an outlet, and a transmission portion to purify the fluid passing through the interior using an electron beam,
The plurality of reactors are connected in series with each other to sequentially purify the fluid multiple times,
In the two reactors connected in series with each other, the outlet of the reactor disposed at the front end and the inlet of the reactor disposed at the rear end are connected in series to each other to form a venturi tube,
The plurality of reactors, each
A hollow body with open both ends, an inlet provided at a front end of the body to allow the fluid to flow into the body, and a rear end of the body to allow the fluid to flow out from the inside of the body A housing including an outlet provided,
A guide part fixed inside the body so as to guide the movement path of the fluid to move the fluid orbit; and
Includes a plate-shaped transmission portion provided on one side of the body so that the electron beam can be transmitted into the body
The guide portion includes a wing portion wound in a spiral shape at least once or more along the longitudinal direction of the housing, wherein the wing portion is formed such that one end of the wing portion contacts the inner surface of the housing, and a portion of the wing portion disposed adjacent to the transmission portion A reaction device for atmospheric purification using an electron beam made of a straight line. delete The method of claim 1,
The body is a reaction device for air purification using an electron beam is formed so that the cross section perpendicular to the longitudinal direction has a circular cross section. The method of claim 1,
The inlet includes an inlet having an inner diameter relatively smaller than the inner diameter of the body, and an expansion portion formed to increase the inner diameter from the end of the inlet to the end of the body,
The outlet includes an outlet having an inner diameter relatively smaller than the inner diameter of the body and a reduction portion formed to decrease the inner diameter from the end of the body toward the outlet,
A reactor for air purification using an electron beam connected to the inlet of the reactor disposed at the rear end of the reactor disposed at the front of the two adjacent reactors. delete The method of claim 1,
The reaction device for air purification using an electron beam formed of a curved surface having the same width as the inner radius of the body. delete The method of claim 1,
The reaction device for air purification using an electron beam coinciding with the central axis of the body, the central axis on which the wing portion is wound. The method of claim 1,
The body includes an opening formed with a predetermined size on one side,
A reaction device for air purification using an electron beam, which is a film member covering the opening part of the transmission part. The method of claim 9,
The body includes a flange portion formed along the rim of the opening,
The reaction device for air purification using an electron beam detachably coupled to the flange portion via a fastening frame coupled to the flange portion of the transmission portion. A plurality of chambers having an internal space;
A reaction device for air purification using an electron beam according to any one of claims 1, 3, 4, 6, and 8 to 10; And
Includes; a plurality of electron beam generators each provided in the plurality of chambers,
The plurality of reactors is an atmospheric purification device mounted on a one-to-one basis in the plurality of chambers. The method of claim 11,
The chamber is an atmospheric purification device made of a metal material to shield radiation. The method of claim 11,
The reactor disposed at the foremost of the plurality of reactors is an atmospheric purification device that is directly connected to an exhaust gas supply source. The method of claim 11,
The electron beam generator is a low-energy electron accelerator of 0.5 MeV or less.

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