JP2000288346A - Method for removing harmful substance from combustion gas and apparatus therefor - Google Patents
Method for removing harmful substance from combustion gas and apparatus thereforInfo
- Publication number
- JP2000288346A JP2000288346A JP11103637A JP10363799A JP2000288346A JP 2000288346 A JP2000288346 A JP 2000288346A JP 11103637 A JP11103637 A JP 11103637A JP 10363799 A JP10363799 A JP 10363799A JP 2000288346 A JP2000288346 A JP 2000288346A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- chamber
- combustion gas
- activated carbon
- benzene
- 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
- 239000000567 combustion gas Substances 0.000 title claims abstract description 36
- 239000000126 substance Substances 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 80
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 69
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000919 ceramic Substances 0.000 claims abstract description 36
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 27
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 150000002500 ions Chemical class 0.000 claims abstract description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 13
- 239000000460 chlorine Substances 0.000 claims abstract description 12
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000002956 ash Substances 0.000 claims abstract description 6
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000004045 organic chlorine compounds Chemical class 0.000 claims description 19
- 238000005868 electrolysis reaction Methods 0.000 claims description 11
- 239000011941 photocatalyst Substances 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- -1 hydrogen ions Chemical class 0.000 claims description 7
- 238000005215 recombination Methods 0.000 claims description 6
- 230000006798 recombination Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000001699 photocatalysis Effects 0.000 claims description 3
- 238000007146 photocatalysis Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 229960003753 nitric oxide Drugs 0.000 abstract description 2
- 150000001805 chlorine compounds Chemical class 0.000 abstract 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000006298 dechlorination reaction Methods 0.000 abstract 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 abstract 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 7
- 239000004071 soot Substances 0.000 description 7
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 102100033041 Carbonic anhydrase 13 Human genes 0.000 description 2
- 101000867860 Homo sapiens Carbonic anhydrase 13 Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052613 tourmaline Inorganic materials 0.000 description 2
- 239000011032 tourmaline Substances 0.000 description 2
- 229940070527 tourmaline Drugs 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 102100033007 Carbonic anhydrase 14 Human genes 0.000 description 1
- 102100032566 Carbonic anhydrase-related protein 10 Human genes 0.000 description 1
- 101000867862 Homo sapiens Carbonic anhydrase 14 Proteins 0.000 description 1
- 101000867836 Homo sapiens Carbonic anhydrase-related protein 10 Proteins 0.000 description 1
- 101000607626 Homo sapiens Ubiquilin-1 Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 101100219325 Phaseolus vulgaris BA13 gene Proteins 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 102100039934 Ubiquilin-1 Human genes 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Catalysts (AREA)
- Incineration Of Waste (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、清掃工場、及び
各種工場や各種学校等に設置されている焼却炉や自動車
等の排気ガスなどの燃焼ガス中の有機塩素化合物や窒素
酸化物などの有害成分を除去して無害にする、燃焼ガス
から有害物質を除去する方法及びその装置に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to harmful substances such as organochlorine compounds and nitrogen oxides in combustion gas such as exhaust gas from incinerators and automobiles installed in cleaning factories, various factories and various schools. The present invention relates to a method and an apparatus for removing harmful substances from combustion gas by removing components to make them harmless.
【０００２】[0002]
【従来の技術】清掃工場、各種工場や各種学校等には、
粗大ゴミやその他発生したゴミ類等を処分するために、
また学校等では手軽にかつ経済的に処理するために焼却
炉が設けられており、頻繁に使用されてきた。[Prior Art] Incineration plants, various factories, various schools, etc.
To dispose of oversized garbage and other generated garbage,
Also, schools and the like are provided with incinerators for easy and economical treatment, and have been frequently used.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、昨今こ
れらの焼却炉の灰の中から猛毒の有機塩素化合物が発見
され、また一旦有機塩素化合物が発生して汚染された土
地については、回復させる処理方法は発見されておら
ず、その結果人体への影響が心配されている。またその
反面ゴミなどは毎日出るものであり、それらを焼却せず
に放置することもできない。また上記工場等では、有機
塩素化合物の他、自動車と同様に窒素酸化物なども排出
されている。さらに自動車から排出される排気ガスも窒
素酸化物など有害な物質を多く含んでいる。そこで政府
を始め地方自治体や民間の企業においても、有機塩素化
合物を始め有害物質に対する適切な対応が急務となって
いる。しかし経費の面や技術的な面から、未だ適切な対
応が取られていない。However, in recent years, highly toxic organochlorine compounds have been discovered in the ash of these incinerators, and once contaminated land has been generated by the generation of organochlorine compounds, a treatment method for restoring the land has been found. Has not been discovered, and its effects on the human body are worried as a result. On the other hand, garbage and the like are produced every day and cannot be left without incineration. In the above factories and the like, nitrogen oxides and the like are emitted in addition to the organic chlorine compounds as in the case of automobiles. Furthermore, exhaust gas emitted from automobiles also contains many harmful substances such as nitrogen oxides. Therefore, there is an urgent need for the government, local governments, and private companies to respond appropriately to harmful substances including organic chlorine compounds. However, appropriate measures have not yet been taken in terms of cost and technical aspects.
【０００４】この発明はこれらの点に鑑みてなされたも
のであり、工場などから排出された燃焼ガスから有機塩
素化合物や窒素酸化物を除去し、その上構造も簡単で、
低コスト、さらに設置も簡単な方法及び装置を提供し上
記課題を解決しようとするものである。The present invention has been made in view of the above points, and removes organic chlorine compounds and nitrogen oxides from combustion gas discharged from factories and the like, and has a simple structure.
An object of the present invention is to provide a method and an apparatus which are low in cost and simple in installation and solve the above-mentioned problems.
【０００５】[0005]
【課題を解決するための手段】そこで請求項１項の発明
は、燃焼ガスを外気に排出する経路において、二次焼却
室を設けて不燃性ガスを燃焼させて有機塩素化合物中の
塩素を分離し、続いて設けられた冷却室で燃焼させたガ
スの温度を２００度乃至３００度まで下げたガスを、マ
イナスイオン水を噴霧した、セラミック活性炭から成る
フィルターを通過させて、上記ガス中の塩化物イオンに
上記マイナスイオン水中の水素イオンを結合させて塩酸
にして塩素とベンゼンとの再結合を防ぎ、これらの塩酸
及びベンゼンを回収して光触媒及び電気分解によって灰
分と水と炭酸ガスにし、また上記セラミック活性炭から
成るフィルターに上記燃焼ガス中の窒素酸化物を通過さ
せて、窒素と二酸化炭素にして排出する、燃焼ガスから
有害物質を除去する方法とした。Accordingly, the invention of claim 1 is to provide a secondary incineration chamber in a path for discharging combustion gas to the outside air to burn non-combustible gas to separate chlorine in an organic chlorine compound. Then, the temperature of the gas combusted in the provided cooling chamber is lowered to 200 to 300 degrees, and the gas is passed through a filter made of ceramic activated carbon sprayed with negative ion water, and the chlorine in the gas is reduced. The hydrogen ions in the above-mentioned negative ion water are combined with the product ions to form hydrochloric acid, thereby preventing recombination of chlorine and benzene.These hydrochloric acids and benzene are collected and converted into ash, water, and carbon dioxide by photocatalysis and electrolysis, and Passing nitrogen oxides in the combustion gas through a filter made of the ceramic activated carbon to remove nitrogen and carbon dioxide and remove harmful substances from the combustion gas It was the way.
【０００６】請求項２項の発明は、略筒型の装置本体を
縦型に設け、この装置本体の底部に残渣貯留室を設け、
この残渣貯留室の上方の一側に燃焼ガス取り込み口を設
け、この燃焼ガス取り込み口の前に二次焼却室を設け、
上記燃焼ガス取り込み口の上方に冷却室を設け、当該冷
却室の上方にセラミック活性炭によるフィルターを設
け、さらにその上方にマイナスイオン水の噴霧器を設
け、最上部に排気用ファンを設け、上記残渣貯留室の一
側から残渣を排出する排出管を設け、この排出管の他端
に光触媒室、電気分解室を設けた、燃焼ガスから有害物
質を除去する装置とした。According to a second aspect of the present invention, a substantially cylindrical apparatus main body is provided in a vertical form, and a residue storage chamber is provided at a bottom portion of the apparatus main body.
A combustion gas intake port is provided on one side above the residue storage chamber, and a secondary incineration chamber is provided in front of the combustion gas intake port,
A cooling chamber is provided above the combustion gas intake, a filter made of ceramic activated carbon is provided above the cooling chamber, a sprayer of negative ion water is provided above the cooling chamber, and an exhaust fan is provided at the top of the cooling chamber. A discharge pipe for discharging the residue from one side of the chamber was provided, and a photocatalyst chamber and an electrolysis chamber were provided at the other end of the discharge pipe.
【０００７】請求項３項の発明は、燃焼ガスを外気に排
出する経路において、二次焼却室を設けて不燃性ガスを
燃焼させて有機塩素化合物中の塩素を分離し、続いて設
けられた冷却室で燃焼させたガスの温度を２００度乃至
３００度まで下げたガスを、マイナスイオン水を噴霧し
た、セラミック活性炭から成るフィルターを通過させ
て、上記ガス中の塩化物イオンに上記マイナスイオン水
中の水素イオンを結合させて塩酸にして塩素とベンゼン
との再結合を防ぎ、これらの塩酸及びベンゼンを回収し
て光触媒及び電気分解によって灰分と水と炭酸ガスに
し、また上記セラミック活性炭から成るフィルターに上
記燃焼ガス中の窒素酸化物を通過させて、窒素と二酸化
炭素にして排出し、上記二次焼却室を除いて装置全体を
冷却する、燃焼ガスから有害物質を除去する方法とし
た。According to a third aspect of the present invention, a secondary incineration chamber is provided in a path for discharging combustion gas to the outside air to burn incombustible gas to separate chlorine in an organic chlorine compound, and to be provided subsequently. The gas burned in the cooling chamber was cooled to a temperature of 200 to 300 ° C., and the gas was passed through a filter made of ceramic activated carbon sprayed with negative ion water. To prevent recombination of chlorine and benzene.These hydrochloric acid and benzene are collected and converted to ash, water, and carbon dioxide by photocatalysis and electrolysis. By passing the nitrogen oxides in the combustion gas and converting them to nitrogen and carbon dioxide and discharging, and cooling the entire apparatus except for the secondary incineration chamber, the combustion gas And the method for removing harmful substances.
【０００８】[0008]
【発明の実施の形態例】以下この発明の実施の形態例を
図１に基づいて説明する。この発明の装置本体１は、ス
テンレス製の縦型に設けた筒状の装置本体１より成り、
装置本体１の下部の一側に燃焼ガスの取り込み口２を設
け、装置本体１の最上部に排気口３を設けており、装置
本体１内部を大きく区分すると、下から残渣貯留室４、
冷却室５、清浄室６、排気室７となっている。上記取り
込み口２の前段階において、周囲を熱線８ａで包囲し、
その内部には図２に示すように、セラミック活性炭から
成る管８ｂを複数個横にして束ねたものを設置し、これ
らの内部に排出された燃焼ガスを通す二次焼却室８を設
けている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. The apparatus main body 1 of the present invention comprises a cylindrical apparatus main body 1 provided in a stainless steel vertical type,
A combustion gas intake port 2 is provided on one side of a lower portion of the apparatus main body 1, and an exhaust port 3 is provided on an uppermost part of the apparatus main body 1. When the inside of the apparatus main body 1 is largely divided, a residue storage chamber 4,
A cooling room 5, a clean room 6, and an exhaust room 7 are provided. In a stage before the inlet 2, the surroundings are surrounded by the heat rays 8a,
As shown in FIG. 2, a plurality of pipes 8b made of ceramic activated carbon are bundled side by side, and a secondary incineration chamber 8 for passing the combustion gas discharged therein is provided therein. .
【０００９】装置本体１の上記取り込み口２の上方に設
けた冷却室５は、冷却水を流通させた管５ａをラジエタ
ー状に横方向に三層巡らせており、さらにその上方に設
けた清浄室６には、図３に示すセラミック活性炭から成
る管を複数個縦方向にして束ねた形のセラミック活性炭
フィルター６ａを三段階に渡って設けており、最上階の
セラミック活性炭フィルター６ａの上面には、消臭のた
めにカーボン線状活性炭６ｂを設けている。またさらに
上方には、マイナスイオン発生器６ｄに接続されたマイ
ナスイオン水の噴霧口６ｃを設けており、その最上部に
設けた排気室７には排気用ファン７ａを設けている。装
置本体１の底部は、装置本体１内部において上方から落
下してくるすすなどを含んだ液体等の残渣貯留室４とな
っている。The cooling chamber 5 provided above the intake port 2 of the apparatus main body 1 has three layers of radiator-like tubes 5a in which cooling water is circulated in a horizontal direction, and a cleaning chamber further provided thereabove. 6 is provided with a ceramic activated carbon filter 6a formed by bundling a plurality of tubes made of the ceramic activated carbon shown in FIG. 3 in the vertical direction in three stages, and on the upper surface of the ceramic activated carbon filter 6a on the top floor, A carbon linear activated carbon 6b is provided for deodorization. Further, a spray port 6c of negative ion water connected to the negative ion generator 6d is provided further above, and an exhaust fan 7a is provided in an exhaust chamber 7 provided at the uppermost portion. The bottom of the apparatus main body 1 is a residue storage chamber 4 for liquid or the like containing soot and the like that falls from above inside the apparatus main body 1.
【００１０】この残渣貯留室４の一側から外部に向けて
管４ａが延ばされており、その先には光触媒室９が設け
られており、またその内側は酸化チタンでコーティング
して、紫外線を発生させる蛍光灯を適宜数設置し、さら
に光触媒室９の排出口には不織布のフィルターを設けて
いる。さらに光触媒室９から延ばされた管４ａは、途中
にポンプ４ｂを介して、電気分解室１０へと続き、電気
分解室１０からさらに貯留タンク１１へと繋がってい
る。この貯留タンク１１には、筒状の装置本体１の全周
囲に冷却水をポンプ１１ｂによって循環させている閉鎖
された管路１１ａが接続されており、装置本体１全体を
常時冷却している。また装置本体１内部の冷却室５内部
に巡らせた管５ａの両端は、装置本体１の外部に設けら
た熱交換システム１２に延ばされており、常時冷却水を
循環させている（図中破線の → 又は ← は、冷却水の
流れを示す。）。A tube 4a extends from one side of the residue storage chamber 4 to the outside, and a photocatalyst chamber 9 is provided ahead of the tube 4a. An appropriate number of fluorescent lamps for generating light are provided, and a nonwoven fabric filter is provided at the outlet of the photocatalyst chamber 9. Further, the tube 4a extending from the photocatalyst chamber 9 continues on the way to the electrolysis chamber 10 via the pump 4b, and is further connected to the storage tank 11 from the electrolysis chamber 10. The storage tank 11 is connected to a closed pipe line 11a that circulates cooling water by a pump 11b around the entire periphery of the cylindrical device main body 1, and constantly cools the entire device main body 1. Further, both ends of the pipe 5a circulated inside the cooling chamber 5 inside the apparatus main body 1 are extended to a heat exchange system 12 provided outside the apparatus main body 1, and constantly circulate cooling water (in the figure). The dashed line → or ← indicates the flow of cooling water.)
【００１１】ここで上記セラミック活性炭について詳述
する。このセラミック活性炭は、簡単に言えば、上述の
通り無酸素状態でセラミックと活性炭と金属を燃焼させ
たものである。このセラミック活性炭は、水に触れると
常時０，２〜０，３Ｖのマイナス電圧を発生し、また２
０マイクロＡの電流を発生する。上記セラミック活性炭
としては、例えばトルマリンと新島長石と金属に水を５
〜２０％加え、さらにカーボン材を１０〜４０％加え
て、セラミック材を５０〜７０％加えてこれらを混合
し、出来上がったセラミック活性炭混合物を管状に成形
して、無酸素状態で焼成したものである。また別の例と
して、トルマリンと新島長石と金属０．１〜３％に水を
５〜２０％加え、さらにカーボン材を１０〜４０％加え
て、セラミック材を５０〜７０％加えてこれらを混合
し、出来上がったセラミック活性炭混合物を管状に成形
して、無酸素状態で１，１５０〜１，２８０度で焼成し
たものである。上記混入する金属としては、銀、チタ
ン、鉄、酸化鉄やラジウム鉱などがある。上記セラミッ
ク材としては、蛙目粘土、木節粘土、ベントナイトなど
があり、これらに準ずる粘土質のものでもよい。Here, the above-mentioned ceramic activated carbon will be described in detail. In short, this ceramic activated carbon is obtained by burning ceramic, activated carbon, and metal in an oxygen-free state as described above. This ceramic activated carbon always generates a negative voltage of 0.2 to 0.3 V when it comes into contact with water.
A current of 0 microA is generated. As the above-mentioned ceramic activated carbon, for example, tourmaline, Niijima feldspar, and metal
２０20%, further carbon material 10１０〜40%, ceramic material 50５０70% are added and mixed, and the resulting ceramic activated carbon mixture is formed into a tube and fired in an oxygen-free state. is there. As another example, 5 to 20% of water is added to 0.1 to 3% of tourmaline, Niijima feldspar and metal, 10 to 40% of carbon material is added, and 50 to 70% of ceramic material is added and mixed. Then, the resulting ceramic activated carbon mixture is formed into a tubular shape and fired at 1,150 to 1,280 degrees in an oxygen-free state. Examples of the metal to be mixed include silver, titanium, iron, iron oxide, and radium ore. Examples of the ceramic material include frog eye clay, kibushi clay, bentonite, and the like.
【００１２】次にこの装置本体１を使って、燃焼ガス中
の有機塩素化合物（ダイオキシンなど）、窒素酸化物
（一酸化窒素 ＮＯ 、二酸化窒素 ＮＯ2 ）等を除去す
る方法を説明する。装置本体１の最上部に設けられた排
気用ファン７ａの吸引により、装置本体１の前段階に設
けられた二次焼却室８に、有機塩素化合物、炭化水素、
窒素酸化物などの有害物質を含んだ黒色の燃焼ガスを送
り込む（図中 ↑ は、上昇する燃焼ガスの流れを示
す）。ここで周囲に設けた熱線８ａにより約１，２００
度に加熱されたセラミック活性炭の管８ｂの中を上記燃
焼ガスを通すと、燃焼ガス中の不燃性ガスであるダイオ
キシンを形成するベンゼン（飛灰、すす）が燃焼され
る。また完全に燃焼されなくともダイオキシンは、ベン
ゼンと塩化物イオンとに分解される。この段階で不燃性
ガス中のダイオキシンの８０％〜９０％が除去される。
この後燃焼ガス中の分解されたベンゼンや塩化物イオン
はこの二次焼却室８から装置本体１内部に送り込まれる
が、この段階で殆ど無色となっており、温度は約５００
度〜６００度となっている。その後上方の三層の管から
成る冷却室５を通過する間に、上記燃焼ガスは、２００
度〜３００度にまで冷却される。Next, a method for removing organic chlorine compounds (such as dioxins) and nitrogen oxides (nitrogen monoxide NO, nitrogen dioxide NO 2 ) and the like from the combustion gas using the apparatus main body 1 will be described. By suction of the exhaust fan 7a provided at the uppermost part of the apparatus main body 1, an organic chlorine compound, a hydrocarbon,
Send black combustion gas containing harmful substances such as nitrogen oxides (indicated by ↑ in the figure). Here, approximately 1,200
When the combustion gas is passed through the heated ceramic activated carbon pipe 8b, benzene (fly ash, soot) forming dioxin, which is a noncombustible gas in the combustion gas, is burned. Even if not completely burned, dioxin is decomposed into benzene and chloride ions. At this stage, 80% to 90% of the dioxin in the nonflammable gas is removed.
Thereafter, the decomposed benzene and chloride ions in the combustion gas are sent from the secondary incineration chamber 8 into the inside of the apparatus main body 1. At this stage, the color is almost colorless and the temperature is about 500.
Degrees to 600 degrees. Then, while passing through the upper cooling chamber 5 consisting of three layers of tubes, the combustion gas
The temperature is cooled down to 300 degrees.
【００１３】また洗浄室６においては、上方の噴霧口６
ｃから下方のセラミック活性炭フィルター６ａに向けて
マイナスイオン水が噴霧されており、この噴霧されたマ
イナスイオン水の微粒子が又はこれらの微粒子が凝縮し
て水滴となって、上方から落下し、セラミック活性炭フ
ィルター６ａのセラミック活性炭に浸透することによ
り、当該セラミック活性炭において０，２〜０，３Ｖの
電圧、及び２０マイクロＡの電流が生じて、さらにマイ
ナスイオンを生じさせる。これにより洗浄室６は、マイ
ナスイオンの雰囲気となる。In the cleaning chamber 6, an upper spray port 6 is provided.
c, the negative ion water is sprayed toward the ceramic activated carbon filter 6a below, and the fine particles of the sprayed negative ion water or these fine particles are condensed to form water droplets and fall from above, and the ceramic activated carbon is dropped. By infiltrating the ceramic activated carbon of the filter 6a, a voltage of 0.2 to 0.3 V and a current of 20 μA are generated in the ceramic activated carbon, and further generate negative ions. Thus, the cleaning chamber 6 has a negative ion atmosphere.
【００１４】この様な状態の中、上記冷却室５から移送
されてきた燃焼ガスは、上記の通り２００度〜３００度
に冷却されており、燃焼ガス中のベンゼンと塩化物イオ
ンは再結合してダイオキシンを形成しようとするが、清
浄室６のセラミック活性炭フィルター６ａ内を通過する
間に、燃焼ガス中の塩化物イオンは、ダイオキシンを構
成するベンゼンよりも、電気的に引き合うマイナスイオ
ン水中の水素イオンと強く結びついて、塩酸（ＨＣＬ）
と成り、また塩化物イオンと再結合できなかったベンゼ
ン（核）はそのまますすと成って、夫々下方の残渣貯留
室４へ落下して溜まる（図中 ↓ は、落下する塩酸、す
す等を示す）。またその他の有機塩素化合物を構成する
物質は、二酸化炭素（ＣＯ2）など無害の物質と成って
排気口３から排出される。In such a state, the combustion gas transferred from the cooling chamber 5 is cooled to 200 to 300 degrees as described above, and benzene and chloride ions in the combustion gas recombine. While passing through the inside of the activated carbon filter 6a of the clean room 6, the chloride ions in the combustion gas are more likely to form dioxin than the benzene constituting dioxin. Hydrochloric acid (HCL) is strongly associated with ions
And the benzene (nucleus) that could not recombine with the chloride ion becomes soot and falls and accumulates in the lower residue storage chamber 4 respectively (↓ in the figure indicates falling hydrochloric acid, soot, etc.) ). Further, other substances constituting the organic chlorine compound are harmless substances such as carbon dioxide (CO 2 ) and are discharged from the exhaust port 3.
【００１５】装置本体１の底部の残渣貯留室４に溜まっ
た塩酸やすすの混合液体は、装置本体１の外部に設けら
れたポンプ４ｂによって、吸引されて光触媒室９へ送ら
れる。ここでベンゼンは、酸化チタンによって、水（Ｈ
2Ｏ）と炭酸ガス（ＣＯ2）に分解される。また光触媒で
も分解されないで残ったベンゼン（すす）は、設けられ
た不織布のフィルターによって回収される。この後残っ
た塩酸（ＨＣＬ）は次の電気分解室１０において、水素
イオンと塩化物イオンに電気分解され、陽極では塩素
が、陰極では水素が溜まる。電気分解の後、中和された
液体は貯留タンク１１へ送られ、装置本体１を循環する
冷却管１１ａの冷却水として使用される。The mixed liquid of hydrochloric acid and soot accumulated in the residue storage chamber 4 at the bottom of the apparatus main body 1 is sucked by the pump 4 b provided outside the apparatus main body 1 and sent to the photocatalyst chamber 9. Here, benzene is converted to water (H
2 O) and carbon dioxide (CO 2 ). Benzene (soot) remaining without being decomposed even by the photocatalyst is recovered by a nonwoven fabric filter provided. The remaining hydrochloric acid (HCL) is electrolyzed into hydrogen ions and chloride ions in the next electrolysis chamber 10, and chlorine is stored at the anode and hydrogen is stored at the cathode. After the electrolysis, the neutralized liquid is sent to the storage tank 11 and used as cooling water for the cooling pipe 11a circulating through the apparatus main body 1.
【００１６】また燃焼ガスから排出された窒素酸化物
（ＮＯX）は、洗浄部のセラミック活性炭フィルター６
ａ内を通過する間に窒素（Ｎ2）と二酸化炭素（ＣＯ2）
に分解され、最上部の排気口３から排出される。Nitrogen oxides (NOX) discharged from the combustion gas are discharged to the ceramic activated carbon filter 6 in the cleaning section.
a and nitrogen (N 2 ) and carbon dioxide (CO 2 )
And is discharged from the uppermost exhaust port 3.
【００１７】この実施の形態例の装置を使用すれば、焼
却炉から発生する有機塩素化合物を二次焼却によって、
塩化物イオンとベンゼンに分解して、ダイオキシンと成
る再結合を防ぎ、マイナスイオン水中の水素イオンとイ
オン結合させて、無害な物質とするものである。即ち塩
化物イオンとベンゼンを塩酸とすすや飛灰にして、有機
塩素化合物の発生を防ぐものであり、確実かつ簡単で低
コストでできるものである。また設置の際も既存の焼却
炉の煙突等を延ばしてその先端にこの装置を接続すれば
よく、簡単に設置ができる。また有機塩素化合物の他、
窒素酸化物なども確実にその発生を防ぐことができる。
さらに残渣貯蔵場質に溜まった塩酸やベンゼンを安全に
効果的に処分し、処理液は冷却水として再利用するなど
経済的である。最後に排出口から排出されるのは、無害
となった窒素や二酸化炭素であり、有害なものを装置の
外部に出すものでなく、各種学校などでも安心して使用
することができる。セラミック活性炭によるフィルター
の上面にカーボン線状活性炭を設置しているので、排出
されたガスには悪臭がない。If the apparatus of this embodiment is used, the organic chlorine compound generated from the incinerator is subjected to secondary incineration,
It is decomposed into chloride ions and benzene to prevent recombination into dioxin, and is ionically bonded to hydrogen ions in negative ion water to form harmless substances. That is, chloride ions and benzene are converted into soot or fly ash with hydrochloric acid to prevent the generation of organic chlorine compounds, and can be made reliably, simply and at low cost. Also, at the time of installation, it is only necessary to extend the chimney of an existing incinerator and connect this device to the end thereof, and the installation can be easily performed. In addition to organic chlorine compounds,
The generation of nitrogen oxides can be surely prevented.
Furthermore, hydrochloric acid and benzene accumulated in the residue storage quality can be safely and effectively disposed of, and the processing solution can be reused as cooling water. Finally, harmless nitrogen and carbon dioxide are discharged from the discharge port, so that harmful substances are not taken out of the apparatus and can be used safely in various schools. Since the carbon linear activated carbon is installed on the upper surface of the filter made of ceramic activated carbon, the discharged gas has no odor.
【００１８】なお上記実施の形態例では、二次焼却室８
の構成を熱線８ａとセラミック活性炭の管８ｂとしてい
るが、二次焼却室８の構成はこれに限定されるものでは
ない。また装置本体１の全体を冷却する冷却管路１１ａ
を装置本体１の全周囲に設けているが、これを設けない
場合もある。またセラミック活性炭フィルター６ａを三
層にして設けているが、三層に限定するものではない。
装置本体１内部の冷却室５の管５ａの設け方をラジエタ
ー形状にしたが、これに限定するものではない。装置本
体１をステンレス製としたが、材質はこれに限定された
ものではない。In the above embodiment, the secondary incinerator 8
Is a hot wire 8a and a tube 8b of ceramic activated carbon, but the configuration of the secondary incineration chamber 8 is not limited to this. Further, a cooling pipe line 11a for cooling the entire apparatus body 1
Is provided all around the apparatus main body 1, but it may not be provided. In addition, the ceramic activated carbon filter 6a is provided in three layers, but is not limited to three layers.
Although the way of providing the pipe 5a of the cooling chamber 5 inside the apparatus main body 1 is formed in a radiator shape, it is not limited to this. Although the apparatus main body 1 is made of stainless steel, the material is not limited to this.
【００１９】[0019]
【発明の効果】請求項１項及び２項の夫々の発明では、
二次焼却室を設けて不燃性ガスを再燃焼させて有機塩素
化合物を塩化物イオンとベンゼンに分解し、さらにその
後マイナスイオン水中の水素イオンとのイオン結合によ
って、塩化物イオンを塩酸にしているので、塩化物イオ
ンとベンゼンの再結合を確実に防ぐことができ、有機塩
素化合物の発生を確実に防ぐことができる。また装置の
外部に一切有害な物質を排出することがないので、学校
等で使用しても極めて安全である。さらに装置として複
雑ではなく、低コストであり、保守も容易である。また
有機塩素化合物のほか窒素酸化物など他の有害な物質も
効果的にその発生を防ぐことができる。According to the first and second aspects of the present invention,
A secondary incineration chamber is provided to recombust non-combustible gas to decompose organic chlorine compounds into chloride ions and benzene, and then convert chloride ions into hydrochloric acid by ionic bonding with hydrogen ions in negative ion water. Therefore, recombination of chloride ions and benzene can be reliably prevented, and generation of an organic chlorine compound can be reliably prevented. Also, since no harmful substances are emitted to the outside of the device, it is extremely safe to use it in schools and the like. Further, the apparatus is not complicated, the cost is low, and the maintenance is easy. In addition to organic chlorine compounds, other harmful substances such as nitrogen oxides can be effectively prevented from being generated.
【００２０】請求項３項の発明では、上記請求項１項及
び２項の夫々の発明の効果に加えて、二次焼却室を除い
て装置の周囲を循環した冷却水路を設けているので、装
置が常時冷えた状態にあり、長期間に渡って使用でき経
済的である。According to the third aspect of the present invention, in addition to the effects of the first and second aspects of the present invention, a cooling water channel circulating around the apparatus except for the secondary incineration chamber is provided. The device is always cold and can be used for a long time, and is economical.
【図１】この発明の実施の形態例の概略構成図である。FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
【図２】この発明の実施の形態例の二次焼却室のセラミ
ック活性炭から成る管を複数個横にして束ねたものの説
明図である。FIG. 2 is an explanatory view of a plurality of tubes made of ceramic activated carbon bundled side by side in a secondary incinerator according to an embodiment of the present invention.
【図３】この発明の実施の形態例の清浄室のセラミック
活性炭フィルターの説明図である。FIG. 3 is an explanatory view of a ceramic activated carbon filter in a clean room according to an embodiment of the present invention.
１ 装置本体 ２ 燃焼ガス取
り込み口 ４ 残渣貯留室 ５ 冷却室 ６ 清浄室 ６ａ セラミック
活性炭フィルター ７ａ 排気用ファン ８ 二次焼却室 ９ 光触媒室 １０ 電気分解室DESCRIPTION OF SYMBOLS 1 Device main body 2 Combustion gas intake 4 Residue storage room 5 Cooling room 6 Clean room 6a Ceramic activated carbon filter 7a Exhaust fan 8 Secondary incineration room 9 Photocatalyst room 10 Electrolysis room
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ２３Ｇ 7/06 ＺＡＢ Ｆ２３Ｇ 7/06 １０４ １０４ Ｂ０１Ｄ 53/34 ＺＡＢ Ｆターム(参考） 3K078 AA08 AA10 BA24 BA26 CA02 CA24 4D002 AA12 AA21 AC04 AC10 BA05 BA08 BA09 BA13 CA07 CA13 CA20 DA41 DA44 DA47 DA70 EA02 GA01 GA02 GB03 GB08 GB20 HA03 4G066 AA02A AA05B AA14D AA27A AA63A AA64A AA66A AA72B BA42 CA28 CA31 DA02 FA03 FA25 4G069 AA02 AA03 AA08 AA09 AA11 BA08A BA08B BA08C BA10B BA10C BA16B BA16C BA48A BA48C BB04B BB04C BC14A BC14B BC14C BC32A BC32B BC32C BC50A BC50B BC50C BC66A BC66B BC66C CA02 CA07 CA08 CA10 CA13 CA14 CA15 CA17 CA19 DA05 EA02Y FB66 FB79 FC02 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F23G 7/06 ZAB F23G 7/06 104 104 B01D 53/34 ZAB F-term (Reference) 3K078 AA08 AA10 BA24 BA26 CA02 CA24 4D002 AA12 AA21 AC04 AC10 BA05 BA08 BA09 BA13 CA07 CA13 CA20 DA41 DA44 DA47 DA70 EA02 GA01 GA02 GB03 GB08 GB20 HA03 4G066 AA02A AA05B AA14D AA27A AA63A AA64A AA66A AA72B BA42 CA28 CA03 A08 A03 A08 A03 A08 A03 A08 A03 A08 A03 A08 A03 A08 A03 A08 A03 A08 A03 A08 BA16B BA16C BA48A BA48C BB04B BB04C BC14A BC14B BC14C BC32A BC32B BC32C BC50A BC50B BC50C BC66A BC66B BC66C CA02 CA07 CA08 CA10 CA13 CA14 CA15 CA17 CA19 DA05 EA02Y FB66 FB79 FC02
Claims (3)
て、二次焼却室を設けて不燃性ガスを燃焼させて有機塩
素化合物中の塩素を分離し、続いて設けられた冷却室で
燃焼させたガスの温度を２００度乃至３００度まで下げ
たガスを、マイナスイオン水を噴霧した、セラミックス
と活性炭と金属を無酸素状態で焼成してできたセラミッ
ク活性炭（以下「セラミック活性炭」という）から成る
フィルターを通過させて、上記ガス中の塩化物イオンに
上記マイナスイオン水中の水素イオンを結合させて塩酸
にして塩素とベンゼンとの再結合を防ぎ、これらの塩酸
及びベンゼンを回収して光触媒及び電気分解によって灰
分と水と炭酸ガスにし、また上記セラミック活性炭から
成るフィルターに上記燃焼ガス中の窒素酸化物を通過さ
せて、窒素と二酸化炭素にして排出することを特徴とす
る、燃焼ガスから有害物質を除去する方法。In a path for discharging combustion gas to the outside air, a secondary incineration chamber is provided to burn incombustible gas to separate chlorine in an organic chlorine compound, and then to burn in a cooling chamber provided. Filter made of ceramic activated carbon (hereinafter referred to as "ceramic activated carbon") formed by firing ceramics, activated carbon, and metal in an oxygen-free state by spraying a gas whose temperature has been lowered to 200 to 300 degrees with negative ion water. Through which hydrogen ions in the above-mentioned negative ion water are combined with chloride ions in the above-mentioned gas to form hydrochloric acid, thereby preventing recombination of chlorine and benzene, and recovering these hydrochloric acid and benzene to produce a photocatalyst and electrolysis. Ash, water and carbon dioxide gas, and pass the oxides of nitrogen from the combustion gas through a filter made of the above-mentioned ceramic activated carbon. A method for removing harmful substances from combustion gas, characterized in that the harmful substances are discharged.
置本体の底部に残渣貯留室を設け、この残渣貯留室の上
方の一側に燃焼ガス取り込み口を設け、この燃焼ガス取
り込み口の前に二次焼却室を設け、上記燃焼ガス取り込
み口の上方に冷却室を設け、当該冷却室の上方にセラミ
ック活性炭によるフィルターを設け、さらにその上方に
マイナスイオン水の噴霧器を設け、最上部に排気用ファ
ンを設け、上記残渣貯留室の一側から残渣を排出する排
出管を設け、この排出管の他端に光触媒室、電気分解室
を設けたことを特徴とする、燃焼ガスから有害物質を除
去する装置。2. A substantially cylindrical apparatus main body is provided vertically, a residue storage chamber is provided at the bottom of the apparatus main body, and a combustion gas intake port is provided on one side above the residue storage chamber. A secondary incineration chamber is provided in front of the mouth, a cooling chamber is provided above the combustion gas intake, a filter made of ceramic activated carbon is provided above the cooling chamber, and a sprayer of negative ion water is provided above the cooling chamber. An exhaust fan is provided at the top, a discharge pipe for discharging the residue from one side of the residue storage chamber is provided, and a photocatalyst chamber and an electrolysis chamber are provided at the other end of the discharge pipe. Equipment to remove harmful substances.
て、二次焼却室を設けて不燃性ガスを燃焼させて有機塩
素化合物中の塩素を分離し、続いて設けられた冷却室で
燃焼させたガスの温度を２００度乃至３００度まで下げ
たガスを、マイナスイオン水を噴霧した、セラミック活
性炭から成るフィルターを通過させて、上記ガス中の塩
化物イオンに上記マイナスイオン水中の水素イオンを結
合させて塩酸にして塩素とベンゼンとの再結合を防ぎ、
これらの塩酸及びベンゼンを回収して光触媒及び電気分
解によって灰分と水と炭酸ガスにし、また上記セラミッ
ク活性炭から成るフィルターに上記燃焼ガス中の窒素酸
化物を通過させて、窒素と二酸化炭素にして排出し、上
記二次焼却室を除いて装置全体を冷却することを特徴と
する、燃焼ガスから有害物質を除去する方法。3. In a path for discharging combustion gas to the outside air, a secondary incineration chamber is provided to burn incombustible gas to separate chlorine in the organic chlorine compound, and then to burn in a cooling room provided. The gas whose temperature has been lowered to 200 to 300 degrees is passed through a filter made of ceramic activated carbon sprayed with negative ion water, and hydrogen ions in the negative ion water are combined with chloride ions in the gas. Hydrochloric acid to prevent recombination of chlorine and benzene,
The hydrochloric acid and benzene are collected and converted to ash, water, and carbon dioxide by photocatalysis and electrolysis, and nitrogen oxides in the combustion gas are passed through a filter made of the above-mentioned ceramic activated carbon to be converted to nitrogen and carbon dioxide and discharged. And removing the harmful substances from the combustion gas by cooling the entire apparatus except for the secondary incineration chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| JP11103637A JP2000288346A (en) | 1999-04-12 | 1999-04-12 | Method for removing harmful substance from combustion gas and apparatus therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11103637A JP2000288346A (en) | 1999-04-12 | 1999-04-12 | Method for removing harmful substance from combustion gas and apparatus therefor |
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| JP2000288346A true JP2000288346A (en) | 2000-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP11103637A Pending JP2000288346A (en) | 1999-04-12 | 1999-04-12 | Method for removing harmful substance from combustion gas and apparatus therefor |
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| JP2011202935A (en) * | 2010-03-26 | 2011-10-13 | Koyo Thermo System Kk | Exhaust gas treatment device |
| CN105889950A (en) * | 2014-11-18 | 2016-08-24 | 多元环球节水设备（中国）有限公司 | Waste incineration tail gas purifying device |
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1999
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011202935A (en) * | 2010-03-26 | 2011-10-13 | Koyo Thermo System Kk | Exhaust gas treatment device |
| CN105889950A (en) * | 2014-11-18 | 2016-08-24 | 多元环球节水设备（中国）有限公司 | Waste incineration tail gas purifying device |
| CN107511042A (en) * | 2016-07-15 | 2017-12-26 | 缪琼华 | A kind of processing method for removing benzene homologues in petrochemical industry waste gas |
| CN107441906A (en) * | 2016-07-15 | 2017-12-08 | 缪琼华 | A kind of processing method for removing benzene homologues in petrochemical industry waste gas |
| CN107441904A (en) * | 2016-07-15 | 2017-12-08 | 缪琼华 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
| CN107441905A (en) * | 2016-07-15 | 2017-12-08 | 缪琼华 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
| CN107441911A (en) * | 2016-07-15 | 2017-12-08 | 缪琼华 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
| CN107511044A (en) * | 2016-07-15 | 2017-12-26 | 缪琼华 | A kind of processing system for removing benzene homologues in petrochemical industry waste gas |
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| CN107441906B (en) * | 2016-07-15 | 2020-06-12 | 杭州富阳何氏化纤助剂有限公司 | Treatment method for removing benzene series in petrochemical industrial waste gas |
| CN107511044B (en) * | 2016-07-15 | 2020-06-16 | 杭州富阳何氏化纤助剂有限公司 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN107441905B (en) * | 2016-07-15 | 2020-06-16 | 杭州富阳何氏化纤助剂有限公司 | Processing system for removing benzene series in petrochemical industrial waste gas |
| CN107511042B (en) * | 2016-07-15 | 2020-06-16 | 杭州富阳何氏化纤助剂有限公司 | Treatment method for removing benzene series in petrochemical industrial waste gas |
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