JPH02211219A - Waste gas treatment apparatus - Google Patents
Waste gas treatment apparatusInfo
- Publication number
- JPH02211219A JPH02211219A JP1028784A JP2878489A JPH02211219A JP H02211219 A JPH02211219 A JP H02211219A JP 1028784 A JP1028784 A JP 1028784A JP 2878489 A JP2878489 A JP 2878489A JP H02211219 A JPH02211219 A JP H02211219A
- Authority
- JP
- Japan
- Prior art keywords
- nox
- plasma reactor
- sox
- efficiency
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002912 waste gas Substances 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 230000003009 desulfurizing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はボイラ、ディーゼルエンジン、ガスタ理装置に
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to boilers, diesel engines, and gas turbine control equipment.
第６図及び第７図は従来より用いられているグロー放電
プラズマによる脱硝脱硫用の排ガス処理装置を示す構成
図である。この装置により、例えば燃焼装置の排ガス中
のＮＯｘを処理する場合を例にとり説明する。FIGS. 6 and 7 are configuration diagrams showing a conventionally used exhaust gas treatment apparatus for denitrification and desulfurization using glow discharge plasma. An example will be explained in which this device is used to treat NOx in exhaust gas from a combustion device.
第６図において燃焼装置ｏ１より発生した排ガスを排気
管０２を介して、サイクロンコレクタｏ３に通し、微粒
子を除去した後、サイクロンコレクタｏ３、排気管０４
を経由してプラズマ反応器ｏ５に導入する。In FIG. 6, the exhaust gas generated from the combustion device o1 is passed through the exhaust pipe 02 to the cyclone collector o3 to remove particulates, and then passed through the cyclone collector o3 and the exhaust pipe 04.
and into the plasma reactor o5.
プラズマ反応器０５は、第７図に詳細を示すように、反
応容器０９の内側に誘電体２ｏに接して電極２１を設け
る。さらに誘電体２ｏの間に電極２２を設ける０両電極
２１．２２間は、電源ｏ６がら変圧器２３を経て給電さ
れる。As shown in detail in FIG. 7, the plasma reactor 05 has an electrode 21 provided inside the reaction vessel 09 in contact with the dielectric 2o. Further, an electrode 22 is provided between the dielectric body 2o, and power is supplied between the two electrodes 21 and 22 via a transformer 23 from a power source o6.
以上の構成において、排ガスをプラズマ化することによ
り、排ガス中のＮＯｘを下記の原理により除去する。す
なわち、電極２１と電極２２の間に、電源０６を用いて
一定周波数の高電圧を印加し、グロー放電を発生させる
。大気圧グロー放電現象で排ガスはプラズマ化される。In the above configuration, by converting the exhaust gas into plasma, NOx in the exhaust gas is removed according to the following principle. That is, a high voltage of a constant frequency is applied between the electrode 21 and the electrode 22 using the power source 06 to generate glow discharge. The exhaust gas is turned into plasma by the atmospheric pressure glow discharge phenomenon.
そして例えばＮＯｔは次の（１）、 Ｃ２）式の化学反
応を起こす。For example, NOt causes the following chemical reaction (1), C2).
２ＮＯ□→２ＮＯ＋Ｏ，（１）
２ＮＯ＋Ｏｆｆ→Ｎｘ＋２ｏｚ （２）なおプ
ラズマは、電界によって加速された高エネルギー電子が
ガス分子と衝突し、励起分子、励起原子、遊離基、イオ
ン及び中性粒子などが混在した電離気体である。上記（
１）、 （２）式では数ｅｖないし数１０ｅｖのエネル
ギーを得たＮＯｘが化学的に活性な種となって、複雑な
反応を起こした結果として、Ｎ２及び０□になると考え
られる。2NO□→2NO+O, (1) 2NO+Off→Nx+2oz (2) In plasma, high-energy electrons accelerated by an electric field collide with gas molecules, resulting in a mixture of excited molecules, atoms, free radicals, ions, and neutral particles. It is an ionized gas. the above(
In equations 1) and (2), it is thought that NOx, which has obtained an energy of several ev to several tens of ev, becomes a chemically active species and becomes N2 and 0□ as a result of a complex reaction.
さて上記のように、燃焼装置の排ガスを大気圧グロー放
電現象を利用して、プラズマ化すると、（ＮＯ＋ＮＯい
が５０〜２００ｐｐ鴎程度及び流ｌ３００ないし６００
ｆｆｉ／ｓｉｎ程度の範囲では、プラズマ発生電力すな
わち、電源０６より供給される電力が数１０Ｗないし数
１００Ｗの範囲でＮＯｘ除去率が３０ないし４０％を達
成できる。Now, as mentioned above, when the exhaust gas of a combustion device is turned into plasma using the atmospheric pressure glow discharge phenomenon, (NO
In a range of approximately ffi/sin, a NOx removal rate of 30 to 40% can be achieved when the plasma generation power, that is, the power supplied from the power source 06 is in the range of several tens of W to several hundreds of W.
したがって、ボイラー、ガスタービン及びディーゼルエ
ンジンなど各種燃焼を伴う装置の排気ガス公害対策用の
排ガス処理装置として活用されつつある。Therefore, it is being used as an exhaust gas treatment device for exhaust gas pollution control of various combustion devices such as boilers, gas turbines, and diesel engines.
上記の従来の装置では次のような問題点があった。 The conventional device described above has the following problems.
（１） 周波数が一定（５０Ｈｚ ｏｒ ６０Ｈｚ）
であると排ガス処理効率（脱硝及び脱硫効率）が低い。(1) Frequency is constant (50Hz or 60Hz)
If so, the exhaust gas treatment efficiency (denitrification and desulfurization efficiency) is low.
（２）また排ガス流量が低下したとき、不必要なグロー
を発生するので、排ガス処理に必要な電力が太くなる。(2) Furthermore, when the exhaust gas flow rate decreases, unnecessary glow is generated, which increases the electric power required for exhaust gas treatment.
（３）上記（１）、 （２）の理由により負荷変動の大
きい燃焼ガスの処理装置として利用できない。(3) Due to the reasons (1) and (2) above, it cannot be used as a treatment device for combustion gas with large load fluctuations.
Ｃ課題を解決するための手段】 本発明は上記課題を解決するため次の手段を講する。Measures to solve problem C】 The present invention takes the following measures to solve the above problems.
すなわち、排ガス処理装置として、処理対象の燃焼装置
より発生する排ガスをグロー放電により脱硝脱硫するプ
ラズマ反応器を備える装置において、上記プラズマ反応
器の入口に設けられる第１のＮＯｘ、ＳＯｘ計測器と、
同プラズマ反応器の出口に設けられる第２のＮＯｘ、Ｓ
Ｏｘ計測器と、同第１および第２のＮＯｘ、 ＳＯｘ計
測器より信号を入力し実効率信号を算出する演算器と、
目標効率を設定する設定器と、上記演算器および設定器
の信号ならびに上記燃焼装置から実負荷信号を入力し、
実効率が設定効率になるような周波数の制御信号を演算
出力するプログラム発生器と、同プログラム発生器の制
御信号を人力し上記プラズマ反応器へ同制御信号に応じ
た周波数の電力を供給する可変周波電源とを設ける。That is, in an apparatus including a plasma reactor that denitrates and desulfurizes exhaust gas generated from a combustion device to be treated by glow discharge as an exhaust gas treatment apparatus, a first NOx, SOx measuring device provided at the inlet of the plasma reactor;
A second NOx, S provided at the outlet of the plasma reactor
An arithmetic unit that inputs signals from the Ox measuring device and the first and second NOx and SOx measuring devices and calculates an effective efficiency signal;
Inputting a setting device for setting the target efficiency, signals from the arithmetic unit and setting device, and an actual load signal from the combustion device,
A program generator that calculates and outputs a control signal with a frequency that makes the actual efficiency equal to the set efficiency, and a variable generator that manually inputs the control signal of the program generator and supplies power to the plasma reactor with a frequency according to the control signal. A frequency power source is provided.
なお、電源の周波が増加すれば、プラズマ反応器の処理
効率がある程度までは増加することにもとずいて、上記
手段を設けた。The above means was provided based on the fact that as the frequency of the power source increases, the processing efficiency of the plasma reactor increases to a certain extent.
上記手段により、第１および第２のＮＯｘ、ＳＯｘ計測
器から排ガス処理の前と後のＮＯｘ、 ＳＯｘ濃度が演
算器へ送られる。演算器はＮＯｘ＋ＳＯｘＯｘ上り実効
率信号を算出する。プログラム発生器は設定器からの目
標効率信号、燃焼装置からの実負荷信号、および演算器
からの実効率信号を受けて、実効率が目標効率になるよ
うな周波数の制御信号を演算出力して、可変周波電源へ
入力する。可変周波電源は入力の制御信号に従って、周
波数を変えてプラズマ反応器へ給電する。By the above means, the NOx and SOx concentrations before and after exhaust gas treatment are sent from the first and second NOx and SOx measuring instruments to the computing unit. The arithmetic unit calculates the NOx+SOxOx upstream effective efficiency signal. The program generator receives the target efficiency signal from the setting device, the actual load signal from the combustion device, and the actual efficiency signal from the computing unit, and calculates and outputs a control signal with a frequency that makes the actual efficiency equal to the target efficiency. , input to variable frequency power supply. The variable frequency power source changes the frequency and supplies power to the plasma reactor according to the input control signal.
このようにして、実負荷が変動しても常にＮＯｘ。In this way, NOx is always maintained even if the actual load fluctuates.
ＳＯｘ処理の実効率が目標効率に維持されるようになる
。The effective efficiency of SOx processing is maintained at the target efficiency.
本発明の一実施例を第１図ないし第５図により説明する
。第１図は構成ブロック図、第２図はプログラム発生器
部のブロック図、第３図ないし第５図は作用説明図であ
る。An embodiment of the present invention will be explained with reference to FIGS. 1 to 5. FIG. 1 is a block diagram of the configuration, FIG. 2 is a block diagram of the program generator section, and FIGS. 3 to 5 are diagrams for explaining the operation.
なお、従来例で説明した部分は、冗長さをさせるため説
明を省略し、この発明に関する部分を主体に説明する。Note that the description of the parts explained in the conventional example will be omitted for the sake of redundancy, and the parts related to the present invention will be mainly explained.
第１図において、プラズマ反応器ｏ５の入口部に第１の
ＮＯｘ、ＳＯｘ計測器８ａが設けられる。また出口部に
第２のＮＯｘ、 ＳＯｘ計測器８ｂが設けられる。ＮＯ
Ｘ。In FIG. 1, a first NOx and SOx measuring device 8a is provided at the inlet of the plasma reactor o5. A second NOx and SOx measuring device 8b is also provided at the outlet. NO
X.
ＳＯｘ計測器８ａ、８ｂの出力は演算器９へ送られる。The outputs of the SOx measuring devices 8a and 8b are sent to a computing unit 9.
プログラム発生器１０は演算器９、燃焼装置Ｏｆ、およ
び設定器１１から信号を受け、出力を可変周波数電源６
へ送る。また可変周波数電源６の出力はプラズマ反応器
０５へ送られる。The program generator 10 receives signals from the computing unit 9, the combustion device Of, and the setting device 11, and outputs the output from the variable frequency power supply 6.
send to Further, the output of the variable frequency power supply 6 is sent to the plasma reactor 05.
以上の構成において、以下作用を説明する。In the above configuration, the operation will be explained below.
プラズマ反応器０５の排ガス処理効率は、排ガスの流速
と、電源の周波数により第３図に示すようにある周波数
までは周波数が高まれば、処理効率も増加することがわ
かった。また消費電力は第４図に示すように周波数にほ
ぼ比例することがわかった。本実施例は以上の結果にも
とすくものである。It has been found that the exhaust gas treatment efficiency of the plasma reactor 05 increases as the frequency increases up to a certain frequency, as shown in FIG. 3, depending on the flow rate of the exhaust gas and the frequency of the power source. It was also found that the power consumption is almost proportional to the frequency as shown in FIG. The present example is also notable for the above results.
演算器９は第１および第２のＮＯｘ、 ＳＯｘ計測器８
ａ＋８ｂから信号を受けて次の（１）、 （２）式の演
算により実効率信号ｔを出力する。The computing unit 9 includes first and second NOx and SOx measuring instruments 8
It receives a signal from a+8b and outputs an effective efficiency signal t by calculating the following equations (1) and (2).
（入口ＮＯｘ−出口Ｎ０ｘ） ／入口ＮＯｘ −−−
（１）（入口５Ｏｘ−出口５ＯＸ） ／入口ＳＯｘ
−−−（２）設定器１１は予め設定された目標効率信号
ｒを出力する。プログラム発生器１０は第２図に示すよ
うに目標効率信号ｒと、実効率信号もおよび燃焼装置０
１から実効率信号Ｓを受けて実効率が目標効率になるよ
う周波数の制御信号を発生し、可変周波数電源６の周波
数と出力を制御する。第５図に本実施例の消費電力の゛
曲＆’ｉｌａと従来例の曲線すとを示す。(Inlet NOx - Outlet NOx) /Inlet NOx ---
(1) (Inlet 5Ox - Outlet 5OX) /Inlet SOx
---(2) The setting device 11 outputs a preset target efficiency signal r. As shown in FIG. 2, the program generator 10 also generates a target efficiency signal r, an actual efficiency signal, and a combustion device
1 receives the effective efficiency signal S, generates a frequency control signal so that the effective efficiency becomes the target efficiency, and controls the frequency and output of the variable frequency power supply 6. FIG. 5 shows the power consumption curve &'ila of this embodiment and the curve of the conventional example.
以上のようにして、燃焼装置０１の負荷が変動しても所
定の高い設定効率で、効率よ＜ ＮＯｘ、ＳＯｘが自動
的に除去されるようになる。As described above, even if the load on the combustion device 01 fluctuates, NOx and SOx are automatically removed at a predetermined high set efficiency.
なおプラズマ反応器０５の前に反応用のアンモニアの注
入装置を設けた場合も同様に効率よく運転される。Note that even if an ammonia injection device for reaction is provided in front of the plasma reactor 05, the system can be operated efficiently as well.
以上に説明したように本発明は次の効果を奏する。 As explained above, the present invention has the following effects.
（１） 従来の一定周波数の給電方法では排ガスの処
理効率が低くかったが、本発明では非常に高い処理効率
かえられる。(1) The conventional constant frequency power supply method had low exhaust gas processing efficiency, but the present invention can achieve extremely high processing efficiency.
（２）排ガスが変動しても所定の高い処理効率が常にえ
られる。(2) A predetermined high treatment efficiency can always be obtained even if the exhaust gas fluctuates.
（３）消費電力が従来の装置に比べ減少する。(3) Power consumption is reduced compared to conventional devices.
（４） 一般の燃焼炉の排ガス処理だけでなく大容量
の排ガス処理の装置として効率よく働くので、産業上の
利用価値が高い。(4) Since it works efficiently not only for exhaust gas treatment of general combustion furnaces but also as a large-capacity exhaust gas treatment device, it has high industrial utility value.
第１図は本発明の１実施例に係る排ガス処理装置の構成
ブロック図、第２図は同実施例のプログラム発生器部の
ブロック図、第３図、第４図、第５図は同実施例の作用
説明図、第６図は従来例の構成ブロック図、第７図は同
従来例のプラズマ反応器部の構成図である。
Ｏｌ・・・燃焼装置、 ０２−・−排気管、０
３・・−サイクロンコレクタ、Ｏ４−排気管、０５・・
−プラズマ反応器、 ０６−電源、０７・・−排ガス
出口管、 ６−・可変周波数電源、３ａ、８ｂ−４
０ｘ、ＳＯｘ計測器、９−・演算器、ｌＯ−プログラム
発生器。
第２図
第５図
負
荷
（％）Fig. 1 is a block diagram of the configuration of an exhaust gas treatment device according to an embodiment of the present invention, Fig. 2 is a block diagram of a program generator section of the same embodiment, and Figs. 3, 4, and 5 are the same implementation. FIG. 6 is a block diagram of the configuration of the conventional example, and FIG. 7 is a configuration diagram of the plasma reactor section of the conventional example. Ol... Combustion device, 02--Exhaust pipe, 0
3...-cyclone collector, O4-exhaust pipe, 05...
- Plasma reactor, 06- Power source, 07...- Exhaust gas outlet pipe, 6-- Variable frequency power source, 3a, 8b-4
0x, SOx measuring instrument, 9--operating unit, lO- program generator. Figure 2 Figure 5 Load (%)
Claims (1)
より脱硝脱硫するプラズマ反応器を備える装置において
、上記プラズマ反応器の入口に設けられる第１のＮＯｘ
、ＳＯｘ計測器と、同プラズマ反応器の出口に設けられ
る第２のＮＯｘ、ＳＯｘ計測器と、同第１および第２の
ＮＯｘ、ＳＯｘ計測器より信号を入力し実効率信号を算
出する演算器と、目標効率を設定する設定器と、上記演
算器および設定器の信号ならびに上記燃焼装置から実負
荷信号を入力し、実効率が設定効率になるような周波数
の制御信号を演算出力するプログラム発生器と、同プロ
グラム発生器の制御信号を入力し上記プラズマ反応器へ
同制御信号に応じた周波数の電力を供給する可変周波電
源とを備えてなることを特徴とする排ガス処理装置。In an apparatus including a plasma reactor for denitrifying and desulfurizing exhaust gas generated from a combustion device to be treated by glow discharge, a first NOx provided at an inlet of the plasma reactor;
, an SOx measuring device, a second NOx, SOx measuring device provided at the outlet of the plasma reactor, and an arithmetic unit that inputs signals from the first and second NOx, SOx measuring devices and calculates an effective efficiency signal. and a setting device for setting the target efficiency, and a program generation that inputs the signals of the arithmetic unit and the setting device, and the actual load signal from the combustion device, and calculates and outputs a control signal with a frequency that makes the actual efficiency equal to the set efficiency. and a variable frequency power source that inputs a control signal of the program generator and supplies power at a frequency according to the control signal to the plasma reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1028784A JPH02211219A (en) | 1989-02-09 | 1989-02-09 | Waste gas treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1028784A JPH02211219A (en) | 1989-02-09 | 1989-02-09 | Waste gas treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02211219A true JPH02211219A (en) | 1990-08-22 |
Family
ID=12258047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1028784A Pending JPH02211219A (en) | 1989-02-09 | 1989-02-09 | Waste gas treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02211219A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146599A (en) * | 1999-02-24 | 2000-11-14 | Seagate Technology Llc | Dielectric barrier discharge system and method for decomposing hazardous compounds in fluids |
| US6451252B1 (en) | 2000-01-20 | 2002-09-17 | Regents Of The University Of Minnesota | Odor removal system and method having ozone and non-thermal plasma treatment |
| US6562386B2 (en) | 2001-05-07 | 2003-05-13 | Regents Of The University Of Minnesota | Method and apparatus for non-thermal pasteurization |
| US6911225B2 (en) | 2001-05-07 | 2005-06-28 | Regents Of The University Of Minnesota | Method and apparatus for non-thermal pasteurization of living-mammal-instillable liquids |
| US7011790B2 (en) | 2001-05-07 | 2006-03-14 | Regents Of The University Of Minnesota | Non-thermal disinfection of biological fluids using non-thermal plasma |
| US7291935B2 (en) * | 2005-06-02 | 2007-11-06 | Denso Corporation | Vehicle generator control device |
| US7931811B2 (en) | 2006-10-27 | 2011-04-26 | Regents Of The University Of Minnesota | Dielectric barrier reactor having concentrated electric field |
-
1989
- 1989-02-09 JP JP1028784A patent/JPH02211219A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146599A (en) * | 1999-02-24 | 2000-11-14 | Seagate Technology Llc | Dielectric barrier discharge system and method for decomposing hazardous compounds in fluids |
| US6451252B1 (en) | 2000-01-20 | 2002-09-17 | Regents Of The University Of Minnesota | Odor removal system and method having ozone and non-thermal plasma treatment |
| US6562386B2 (en) | 2001-05-07 | 2003-05-13 | Regents Of The University Of Minnesota | Method and apparatus for non-thermal pasteurization |
| US6911225B2 (en) | 2001-05-07 | 2005-06-28 | Regents Of The University Of Minnesota | Method and apparatus for non-thermal pasteurization of living-mammal-instillable liquids |
| US7011790B2 (en) | 2001-05-07 | 2006-03-14 | Regents Of The University Of Minnesota | Non-thermal disinfection of biological fluids using non-thermal plasma |
| US7291935B2 (en) * | 2005-06-02 | 2007-11-06 | Denso Corporation | Vehicle generator control device |
| US7931811B2 (en) | 2006-10-27 | 2011-04-26 | Regents Of The University Of Minnesota | Dielectric barrier reactor having concentrated electric field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE9904295D0 (en) | Device for Hybrid Plasma Processing | |
| DE69523488D1 (en) | Method and device for igniting plasmas in a process module | |
| JPH02211219A (en) | Waste gas treatment apparatus | |
| JPH06501202A (en) | Method and apparatus for removing SO2 and NOx from combustion flue gum | |
| KR102522762B1 (en) | Plasma scrubber supplying reaction water to the reaction chamber and method for treating waste gas using the same | |
| JP2007196160A (en) | Waste gas treatment apparatus | |
| JPH04122417A (en) | Exhaust gas treating device | |
| JP2007029862A (en) | Activated gas forming method, forming apparatus, and exhaust gas treatment system | |
| Wang et al. | Effect of water vapor on NO removal in a DBD reactor at different temperatures | |
| JPH05115746A (en) | Exhaust gas treatment apparatus | |
| JPH1033937A (en) | Multi-step type reaction apparatus for treating waste gas | |
| Bai et al. | Flue gas desulfurization by dielectric barrier discharge | |
| JPH11300159A (en) | Dioxins treating device | |
| JP4690597B2 (en) | Combustion type abatement system | |
| JP2554161B2 (en) | Exhaust gas treatment device | |
| JPH07116460A (en) | Apparatus for treating exhaust gas | |
| JPH05220340A (en) | Waste gas treating device | |
| JPH047019A (en) | Exhaust gas treating device | |
| JPH11169660A (en) | Method and device for waste gas treatment | |
| JPH04100516A (en) | Method and apparatus for treating exhaust gas | |
| Wang et al. | NO and SO2 Removal Using Dielectric Barrier Discharge Plasma at Different Temperatures | |
| JP3731471B2 (en) | Smoke treatment method for high sulfur oil fired boiler | |
| JPH05309231A (en) | Device for treating exhaust gas | |
| JPH04247219A (en) | Exhaust gas treating device | |
| JPH0611073Y2 (en) | Denitration / desulfurization equipment |