JPH05337335A - Method for treating gas containing harmful gas by oxidation and its device - Google Patents
Method for treating gas containing harmful gas by oxidation and its deviceInfo
- Publication number
- JPH05337335A JPH05337335A JP4147761A JP14776192A JPH05337335A JP H05337335 A JPH05337335 A JP H05337335A JP 4147761 A JP4147761 A JP 4147761A JP 14776192 A JP14776192 A JP 14776192A JP H05337335 A JPH05337335 A JP H05337335A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- harmful gas
- alkali
- hydrogen peroxide
- iron
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、新規な有害ガス含有気
体の酸化処理方法およびその装置に関するものである。
詳しく述べると、本発明は、例えばアルデヒド類ガスな
どの有機性ガス、排ガス中の窒素酸化物（ＮＯｘ）、硫
黄酸化物（ＳＯｘ）等の有害ガスを酸化分解し無害化す
る処理方法およ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 a novel method and apparatus for oxidizing a gas containing a harmful gas.
More specifically, the present invention relates to a treatment method and an apparatus for detoxifying an organic gas such as an aldehyde gas and a harmful gas such as nitrogen oxide (NOx) and sulfur oxide (SOx) in exhaust gas by oxidative decomposition. It is about.
【０００２】[0002]
【従来の技術】有害ガスを含有する気体に関しては、そ
の危険性および環境衛生上の見地から各種の作業環境基
準および衛生基準が設けられ、これらを含む気体の簡便
な処理技術が要求されている。かかる有害ガスを含有す
る気体の一般的な処理方法としては、活性炭吸着法があ
るが、活性炭の吸着能が小さいこと、温度が上昇すると
吸着された有害ガスが再放出してくること、高温環境で
使用すると活性炭が発火するなどの使用に当たって多く
の難点がある。2. Description of the Related Art Regarding a gas containing a harmful gas, various working environment standards and hygiene standards are set from the viewpoint of danger and environmental hygiene, and a simple technique for treating a gas containing these is required. .. As a general treatment method for a gas containing such a harmful gas, there is an activated carbon adsorption method, but the adsorption capacity of the activated carbon is small, the adsorbed harmful gas is re-released when the temperature rises, and the high temperature environment When used in, there are many difficulties in using such as activated carbon being ignited.
【０００３】別の処理法として、有機性ガスなどでは触
媒を利用した燃焼酸化法があるが、この方式は設備が極
めて大がかりとなる点と燃焼酸化に燃料を使う点から、
ランニングコストが高くなるばかりか、常に二酸化炭素
（ＣＯ2 ）、窒素酸化物（ＮＯｘ）等を廃棄側に放出す
るので地球環境上からも好ましくない。As another treatment method, there is a combustion oxidation method using a catalyst for organic gas and the like. However, this method requires very large facilities and uses fuel for combustion oxidation.
Not only is the running cost high, but carbon dioxide (CO 2 ), nitrogen oxides (NOx), etc. are always released to the waste side, which is not preferable from the global environment.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、前記問題点
に鑑み、有害ガスの処理効果を長期間にわたって発揮す
ることができ、しかも安全でランニングコストが安い処
理方法およびその装置を提供することを課題とする。SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a treatment method and apparatus capable of exhibiting the treatment effect of harmful gas for a long period of time, and being safe and low in running cost. Is an issue.
【０００５】[0005]
【課題を解決するための手段】本発明は、前記課題を解
決するものであって、アルカリ含有過酸化水素水を含浸
した鉄およびマンガンよりなる群から選ばれた少なくと
も１種からなる通気性金属多孔体に有害ガス含有気体を
接触させることにより、有害ガスを酸化処理することを
特徴とする有害ガス含有気体の酸化処理方法である。Means for Solving the Problems The present invention is to solve the above-mentioned problems and is a breathable metal comprising at least one selected from the group consisting of iron and manganese impregnated with an alkali-containing hydrogen peroxide solution. The method for oxidizing a harmful gas-containing gas is characterized in that the harmful gas is oxidized by bringing the harmful gas-containing gas into contact with the porous body.
【０００６】また、本発明は、反応槽中のガス通過流路
に鉄およびマンガンよりなる群から選ばれた少なくとも
１種からなる通気性金属多孔体を装填し、該通気性金属
多孔体にアルカリ含有過酸化水素水を間欠的にまたは連
続的に供給する給水装置を設けたことを特徴とする有害
ガス含有気体の酸化処理装置である。In the present invention, the gas passage in the reaction tank is filled with a gas permeable metal porous body made of at least one selected from the group consisting of iron and manganese, and the gas permeable metal porous body is provided with an alkali metal. An apparatus for oxidizing a gas containing a harmful gas, comprising a water supply device for intermittently or continuously supplying the contained hydrogen peroxide solution.
【０００７】[0007]
【作用】本発明は、有害ガス含有気体を鉄およびマンガ
ンよりなる群から選ばれた少なくとも１種からなる通気
性金属多孔体とアルカリ含有過酸化水素水で処理するこ
とによって、常温で効率的にかつ簡便な装置によって、
有害ガスを無害なものに酸化分解する方法および装置を
提供するものである。The present invention efficiently treats a harmful gas-containing gas at room temperature by treating it with an air-permeable porous metal body containing at least one selected from the group consisting of iron and manganese and an alkali-containing hydrogen peroxide solution. And with a simple device,
A method and an apparatus for oxidatively decomposing harmful gas into harmless one.
【０００８】本発明者らは、鉄および／またはマンガン
からなる通気性金属多孔体（以下、多孔体とも称する）
にアルカリ含有過酸化水素水を含浸させた、その多孔体
内に有害ガス含有気体（以下、気体と称する）を通過さ
せると有害ガスが極めて効果的に酸化無害化されること
を見出したものである。The inventors of the present invention have made an air-permeable porous metal body composed of iron and / or manganese (hereinafter, also referred to as a porous body).
It has been found that when a harmful gas-containing gas (hereinafter referred to as a gas) is impregnated with an alkaline-containing hydrogen peroxide solution, the harmful gas is extremely effectively detoxified by oxidation. ..
【０００９】以下、一例を次に示す。一酸化窒素（Ｎ
Ｏ）ガスを５０ｐｐｍ含有した気体（１ｍ3 ）を密封し
た容器内に、７％濃度の過酸化水素（２ｇ）に水酸化ナ
トリウム（０．２ｇ）を添加したアルカリ性水溶液を含
浸した鉄の焼結製多孔体（尚、本実験に用いた鉄の焼結
製鉄多孔体は、ポリウレタンの発泡体（ポリウレタンフ
ォーム）に鉄粉を塗着した後焼結し、ポリウレタンフォ
ームを消失せしめたものである）を充填し、その多孔体
層内を、０．４ｍ3 ／分の循環速度で前記気体を循環さ
せたところ、３０分後に完全に酸化除去された。このよ
うに極めて効率的に有害ガスが除去される作用について
は、図１に１００倍に拡大した顕微組織を図示するよう
に、該焼結製鉄多孔体の断面顕微組織は、焼結前にあっ
たポリウレタンフォームの気孔部１、焼結鉄２、該焼結
鉄内部のミクロ空孔３およびポリウレタンフォームの鉄
失によって生じた空孔４より構成されてなることから、
ミクロ的に極めて多孔質な焼結製鉄多孔体内部まで過酸
化水素水およびアルカリ溶液が多孔体全域にわたり浸透
し、多孔体全域の焼結鉄表面にて下記化学式１に示す
（１）〜（５）式のフェントン反応による有害ガスの酸
化および酸化生成物のアルカリによる中和反応が行われ
るため、効率的に有害ガスが酸化除去されるものと本発
明者等は考えている。An example is shown below. Nitric oxide (N
O) Sintering of iron impregnated with an alkaline aqueous solution containing 7% hydrogen peroxide (2 g) and sodium hydroxide (0.2 g) in a container sealed with a gas (1 m 3 ) containing 50 ppm of gas. Porous body (In addition, the sintered iron porous body used in this experiment is a polyurethane foam (polyurethane foam) coated with iron powder and then sintered to eliminate the polyurethane foam.) Was charged and the gas was circulated in the porous body layer at a circulation rate of 0.4 m 3 / min. After 30 minutes, the gas was completely oxidized and removed. With respect to the action of removing the harmful gas extremely efficiently in this way, as shown in the microstructure magnified 100 times in FIG. 1, the cross-sectional microstructure of the sintered iron-made porous body is the same as before sintering. Since it is composed of pores 1 of polyurethane foam, sintered iron 2, micropores 3 inside the sintered iron, and pores 4 generated by iron loss of polyurethane foam,
A hydrogen peroxide solution and an alkaline solution permeate into the inside of the microporous iron-made porous body which is extremely porous, and the sintered iron surface of the whole porous body has the following formula (1) to (5). The present inventors believe that the harmful gas is efficiently oxidized and removed by the oxidation of the harmful gas by the Fenton reaction of the equation (4) and the neutralization reaction of the oxidation product with alkali.
【００１０】[0010]
【化１】 [Chemical 1]
【００１１】次に、本発明で使用する鉄および／または
マンガンからなる多孔質金属通気性多孔体とは、鉄およ
び／またはマンガンを主成分とし他に銅、クロム、ニッ
ケル、スズ、亜鉛等の耐蝕性を向上させる金属を含むも
のでもよい。多孔体の形状としては、金属粉をポリウレ
タンフォームなどの有機高分子多孔体に塗着したもの、
またはそれを無酸化雰囲気で焼結したもの、あるいは金
属粉を球型、円筒状に成形したもの、またはそれを焼結
したものを積層したものなどがある。このうちで過酸化
水素水を多孔体中に含浸するという点から焼結金属多孔
体が、本発明の多孔体として最も好ましい。Next, the porous metal gas permeable porous body made of iron and / or manganese used in the present invention is mainly composed of iron and / or manganese, and also contains copper, chromium, nickel, tin, zinc and the like. It may contain a metal that improves corrosion resistance. The shape of the porous body, metal powder is applied to an organic polymer porous body such as polyurethane foam,
Alternatively, it may be obtained by sintering it in a non-oxidizing atmosphere, or by molding metal powder into a spherical shape or a cylindrical shape, or by stacking sintered materials thereof. Among them, the sintered metal porous body is most preferable as the porous body of the present invention from the viewpoint of impregnating hydrogen peroxide water into the porous body.
【００１２】過酸化水素水の濃度については処理する有
害ガスの濃度および量にもよるが、一般的には０．１〜
１０重量％、好ましくは１〜５重量％であることが望ま
しい。該濃度が低すぎると含浸を何度も繰り返す必要が
あり煩雑である一方、濃度が高すぎると未反応の過酸化
水素水が気化して不経済となるし、不必要に鉄が酸化さ
れる。The concentration of the hydrogen peroxide solution depends on the concentration and amount of the harmful gas to be treated, but is generally 0.1 to 10.
It is desirable to be 10% by weight, preferably 1 to 5% by weight. If the concentration is too low, impregnation needs to be repeated many times, which is complicated, while if the concentration is too high, unreacted hydrogen peroxide solution is vaporized and becomes uneconomical, and iron is unnecessarily oxidized. ..
【００１３】過酸化水素に添加するアルカリとしては、
水酸化ナトリウム、水酸化カリウム、水酸化リチウム、
炭酸ナトリウム、水酸化カルシウム、水酸化マグネシウ
ム、アンモニア、メチルアミン類、エチルアミン類等の
一般的塩基性物質が挙げられる。該アルカリの添加量
は、有害ガスの反応によって、生成する酸化反応生成物
によって変わるが、一般的には、過酸化水素水のｐＨが
通常８以上、好ましくは８〜１０の範囲になるように添
加量を調節されてなることが好ましい。As the alkali added to hydrogen peroxide,
Sodium hydroxide, potassium hydroxide, lithium hydroxide,
Examples include general basic substances such as sodium carbonate, calcium hydroxide, magnesium hydroxide, ammonia, methylamines, ethylamines. The amount of the alkali added varies depending on the oxidation reaction product formed by the reaction of the harmful gas, but generally, the pH of the hydrogen peroxide solution is usually 8 or more, preferably 8 to 10. It is preferable that the addition amount is adjusted.
【００１４】該アルカリ添加の方法としては、過酸化水
素に直接添加する方法以外に、例えば、有害ガス含有気
体にガス状の微量のアンモニアガス等を添加する方法な
ども挙げられる。したがって、本発明において、アルカ
リ含有過酸化水素水とは、単に過酸化水素に直接アルカ
リが添加されてなるもの以外に、上述のように有害ガス
含有気体にガス状の微量のアルカリ性のガス等を添加
し、反応の際に該アルカリ含有ガスが過酸化水素水と接
触してなる場合をも含むものである。As the method of adding the alkali, in addition to the method of directly adding to hydrogen peroxide, for example, a method of adding a minute amount of gaseous ammonia gas or the like to the harmful gas-containing gas can be mentioned. Therefore, in the present invention, the alkali-containing hydrogen peroxide solution is not limited to the one in which an alkali is directly added to hydrogen peroxide, but also a trace amount of a gaseous alkaline gas or the like in the harmful gas-containing gas as described above. It also includes the case where the alkali-containing gas is added to and brought into contact with hydrogen peroxide solution during the reaction.
【００１５】次に本発明の有害ガス含有気体の酸化処理
装置について説明する。この装置はアルカリ含有過酸化
水素水を、間欠的にまたは連続的に供給している鉄およ
び／またはマンガンからなる通気性金属多孔体部に有害
ガス含有気体を通過させる有害ガス含有気体の酸化装置
である。Next, the apparatus for oxidizing a gas containing a harmful gas according to the present invention will be described. This apparatus is an apparatus for oxidizing a harmful gas-containing gas, which allows the harmful gas-containing gas to pass through an air-permeable porous metal body made of iron and / or manganese which is intermittently or continuously supplying alkali-containing hydrogen peroxide solution. Is.
【００１６】本発明の有害ガス含有気体の酸化処理装置
の一実施態様の概念図を図２に示す。図２より、該酸化
処理装置では、反応槽（有害ガス酸化分解槽）１１内に
多孔体１２を載置し、過酸化水素添加用タンク１９およ
びアルカリ添加用タンク２０から任意に過酸化水素水お
よびアルカリが調整タンク１８に添加され、該調整タン
ク１８内で添加された過酸化水素水とアルカリを先述し
た濃度（ｐＨ）となるように調節したアルカリ含有過酸
化水素水の調整溶液１３をスプレーポンプ１４によりス
プレーノズル１５を介して多孔体１２に間欠的にまたは
連続的に供給して散布し、該多孔体１２に該調整溶液１
３を含浸させる。有害ガス含有気体を反応槽１１に導入
する導入口側に送風量を適当に調節できるようになって
いる送風ファン１７が設けられ、該送風ファン１７によ
って反応槽１１に導入される有害ガス含有気体とのフェ
ントン酸化反応を可能ならしめたものである。該酸化処
理装置では、さらに多孔体１２に該調整溶液１３を含浸
させた後に滴下した過剰な溶液を再利用するために調整
タンク１８に戻すことができるように連結され、途中に
循環ポンプ１６および中和反応生成物除去フィルター２
１が備えられている。FIG. 2 shows a conceptual diagram of an embodiment of an apparatus for oxidizing a gas containing a harmful gas according to the present invention. As shown in FIG. 2, in the oxidation treatment apparatus, a porous body 12 is placed in a reaction tank (toxic gas oxidative decomposition tank) 11, and a hydrogen peroxide solution is arbitrarily supplied from a hydrogen peroxide addition tank 19 and an alkali addition tank 20. And alkali are added to the adjusting tank 18, and the adjusted solution 13 containing alkali hydrogen peroxide solution in which the hydrogen peroxide solution and the alkali added in the adjusting tank 18 are adjusted to the above-mentioned concentration (pH) is sprayed. The porous body 12 is intermittently or continuously supplied by a pump 14 to the porous body 12 through a spray nozzle 15 to be sprayed, and the adjusted solution 1 is applied to the porous body 12.
Impregnate 3. A blower fan 17 is provided on the inlet side for introducing the harmful gas-containing gas into the reaction tank 11, and the blower fan 17 is provided so that the amount of blown air can be appropriately adjusted. The blower fan 17 introduces the harmful gas-containing gas into the reaction tank 11. The Fenton oxidation reaction with is possible. In the oxidation treatment device, the porous body 12 is further impregnated with the adjusting solution 13 and is connected so that it can be returned to the adjusting tank 18 for reuse of the excess solution dropped, and the circulation pump 16 and Neutralization reaction product removal filter 2
1 is provided.
【００１７】送風ファン１７によって反応槽１１に導入
される有害ガス含有気体は、例えば、焼付塗装等での排
ガス処理のケースでは、油脂を含む場合があり、油脂が
多孔体１２の表面に付着して反応性を妨害するので、当
然反応槽導入前にフィルターあるいは水洗等で油脂に除
去をする装置を設置することは言うまでもない。The harmful gas-containing gas introduced into the reaction tank 11 by the blower fan 17 may contain fats and oils in the case of exhaust gas treatment such as baking coating, and the fats and oils adhere to the surface of the porous body 12. Needless to say, a filter or a device for removing oils and fats by washing with water or the like is installed before the reaction tank is introduced, since it hinders the reactivity.
【００１８】[0018]
【実施例】次に、本発明の実施例について述べる。EXAMPLES Next, examples of the present invention will be described.
【００１９】実施例１ 平均粒子径１０μｍの銑鉄粉末をポリウレタンフォーム
にポリビニルアルコールを結合剤として塗着した後、１
２００℃で焼結した鉄系の焼結製多孔質多孔体を作り、
４ｃｍ×４ｃｍ×２ｃｍのフィルターとした（重量３０
ｇ）。そのフィルターに７％過酸化水素水１０ｇに水酸
化ナトリウム２００ｍｇを添加し、ｐＨ１１に調整した
液に含浸させた後、図３に示す実験装置、すなわち、二
酸化窒素（ＮＯ2 ）７００ｐｐｍと一酸化窒素（ＮＯ）
３００ｐｐｍの混合ガスを含有する気体の充填されたガ
スボンベ３１、流量計３２、該過酸化水素水およびアル
カリ含浸多孔体フィルター３３、入口側の濃度測定用の
配管３４および出口側の濃度測定用の配管３５よりなる
実験装置に設置し、該ガスボンベ３１より混合ガス含有
気体を流量計３２により４リットル／分の流速となるよ
うに調節して、該フィルター３３中を通過させることに
より、二酸化窒素と一酸化窒素の混合ガス（有害ガス）
を接触反応させて酸化処理試験を行った。該試験を７０
分間を行い、１０分毎に入口側および出口側の濃度測定
用の配管３４、３５より採取した混合ガス含有気体中の
二酸化窒素と一酸化窒素濃度を測定した。さらに上記試
験を行った後、第２回試験として再度、フィルター３３
に４％過酸化水素水１０ｇに水酸化ナトリウム１０ｍｇ
を添加してｐＨ９に調整した液を含浸して上記と同様に
試験を行い、二酸化窒素と一酸化窒素濃度を測定した。
得られた結果を表１に示す。表１の結果から、２回の試
験とも二酸化窒素および一酸化窒素のいずれも過酸化水
素水およびアルカリ含浸多孔体フィルターにより長時間
除去できることが確認された。Example 1 Pigment iron powder having an average particle diameter of 10 μm was coated on a polyurethane foam using polyvinyl alcohol as a binder, and then 1
Make an iron-based sintered porous body that is sintered at 200 ℃,
A filter of 4 cm x 4 cm x 2 cm (weight 30
g). After adding 200 mg of sodium hydroxide to 10 g of 7% hydrogen peroxide solution and impregnating the filter with a solution adjusted to pH 11, the experimental apparatus shown in FIG. 3, that is, 700 ppm of nitrogen dioxide (NO 2 ) and nitric oxide was used. (NO)
A gas cylinder 31 filled with a gas containing a mixed gas of 300 ppm, a flow meter 32, the hydrogen peroxide solution and an alkali-impregnated porous filter 33, an inlet side concentration measuring pipe 34, and an outlet side concentration measuring pipe. The mixed gas containing gas is adjusted from the gas cylinder 31 to a flow rate of 4 liters / minute by the flow meter 32 and passed through the filter 33 so as to be mixed with nitrogen dioxide. Nitric oxide mixed gas (hazardous gas)
Were subjected to an oxidation treatment test. 70 tests
After that, the concentration of nitrogen dioxide and the concentration of nitric oxide in the mixed gas-containing gas sampled from the inlet and outlet side concentration measurement pipes 34 and 35 were measured every 10 minutes. After performing the above test, the filter 33 is again used as the second test.
10% of 4% hydrogen peroxide solution and 10 mg of sodium hydroxide
Was added and impregnated with a solution adjusted to pH 9, and the same test as above was carried out to measure the nitrogen dioxide and nitric oxide concentrations.
The results obtained are shown in Table 1. From the results of Table 1, it was confirmed that both the nitrogen dioxide and the nitric oxide could be removed for a long time by the hydrogen peroxide solution and the alkali-impregnated porous filter in both tests.
【００２０】[0020]
【表１】 [Table 1]
【００２１】[0021]
【発明の効果】本発明の有害ガスの酸化処理方法および
その装置により、アルデヒド類ガスなどの有機性ガス、
窒素酸化物（ＮＯｘ）、硫黄酸化物（ＳＯｘ）などの排
ガス等の有害ガスを酸化分解し無害化でき、また該有害
ガスの処理を長期間にわたって発揮することができ、か
つ安全でランニングコストが安くできる等の点で優れて
いる。EFFECTS OF THE INVENTION By the method and apparatus for oxidizing harmful gas of the present invention, organic gas such as aldehyde gas,
The harmful gases such as exhaust gas such as nitrogen oxides (NOx) and sulfur oxides (SOx) can be oxidatively decomposed to be harmless, and the treatment of the harmful gases can be exerted for a long period of time, and the safety and running cost are low. It is excellent in that it can be cheap.
【図１】本発明に用いられる通気性金属多孔体の一実施
態様である焼結製鉄多孔体の断面を１００倍に拡大した
顕微組織図である。FIG. 1 is a microstructure diagram in which a cross section of a sintered iron-made porous body which is one embodiment of a gas permeable porous body used in the present invention is magnified 100 times.
【図２】本発明の有害ガス含有気体の酸化処理装置の一
実施態様を示す概念図である。FIG. 2 is a conceptual diagram showing an embodiment of an apparatus for oxidizing harmful gas-containing gas according to the present invention.
【図３】本発明の実施例で用いた有害ガス含有気体の酸
化処理の実験装置を示す概念図である。FIG. 3 is a conceptual diagram showing an experimental apparatus for oxidizing a harmful gas-containing gas used in an example of the present invention.
１…焼結前にあったウレタンフォームの気孔部 ２…焼結鉄 ３…焼結鉄内
部のミクロ空孔 ４…ウレタンフォームの鉄失によって生じた空孔 １１…反応槽（有害ガス酸化分解槽） １２…多孔体 １３…調整溶液 １４…スプレ
ーポンプ １５…スプレーノズル １６…循環ポ
ンプ １７…送風ファン １８…調整タ
ンク １９…過酸化水素添加用タンク ２０…アルカ
リ添加用タンク ２１…中和反応生成物除去フィルター ３１…ガスボンベ ３２…流量計 ３３…多孔体フィルター ３４…入口側
の濃度測定用の配管 ３５…出口側の濃度測定用の配管1 ... Porous part of urethane foam before sintering 2 ... Sintered iron 3 ... Micro pores inside sintered iron 4 ... Voids generated by iron loss of urethane foam 11 ... Reaction tank (toxic gas oxidation decomposition tank) ) 12 ... Porous body 13 ... Adjusting solution 14 ... Spray pump 15 ... Spray nozzle 16 ... Circulating pump 17 ... Blower fan 18 ... Adjusting tank 19 ... Hydrogen peroxide addition tank 20 ... Alkali addition tank 21 ... Neutralization reaction product Removal filter 31 ... Gas cylinder 32 ... Flowmeter 33 ... Porous filter 34 ... Pipe for measuring concentration on inlet side 35 ... Pipe for measuring concentration on outlet side
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ０１Ｊ 20/04 Ｃ 7202−4Ｇ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Internal reference number FI technical display location B01J 20/04 C 7202-4G
Claims (2)
鉄およびマンガンよりなる群から選ばれた少なくとも１
種からなる通気性金属多孔体に有害ガス含有気体を接触
させることにより、有害ガスを酸化処理することを特徴
とする有害ガス含有気体の酸化処理方法。1. At least one selected from the group consisting of iron and manganese impregnated with an alkali-containing hydrogen peroxide solution.
A method for oxidizing a harmful gas-containing gas, which comprises oxidizing the harmful gas by bringing the gas containing the harmful gas into contact with a gas-permeable porous body made of a seed.
ガンよりなる群から選ばれた少なくとも１種からなる通
気性金属多孔体を装填し、該通気性金属多孔体にアルカ
リ含有過酸化水素水を間欠的にまたは連続的に供給する
給水装置を設けたことを特徴とする有害ガス含有気体の
酸化処理装置。2. A gas passage in a reaction vessel is loaded with a gas permeable porous metal body composed of at least one selected from the group consisting of iron and manganese, and the gas permeable metal porous body is filled with alkali-containing hydrogen peroxide. An apparatus for oxidizing a gas containing a harmful gas, comprising a water supply device for supplying water intermittently or continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4147761A JPH05337335A (en) | 1992-06-08 | 1992-06-08 | Method for treating gas containing harmful gas by oxidation and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4147761A JPH05337335A (en) | 1992-06-08 | 1992-06-08 | Method for treating gas containing harmful gas by oxidation and its device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05337335A true JPH05337335A (en) | 1993-12-21 |
Family
ID=15437572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4147761A Withdrawn JPH05337335A (en) | 1992-06-08 | 1992-06-08 | Method for treating gas containing harmful gas by oxidation and its device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05337335A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785966A (en) * | 2010-03-02 | 2010-07-28 | 浙江菲达环保科技股份有限公司 | Method of advanced oxidation for NO in flue gas and device thereof |
| CN105536529A (en) * | 2015-12-21 | 2016-05-04 | 河南弘康环保科技有限公司 | Application of Fenton catalyst in flue gas desulfurization and denitrification |
| CN109453646A (en) * | 2018-11-20 | 2019-03-12 | 山东蓝想环境科技股份有限公司 | A kind of aromatic hydrocarbons waste gas treatment process |
-
1992
- 1992-06-08 JP JP4147761A patent/JPH05337335A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785966A (en) * | 2010-03-02 | 2010-07-28 | 浙江菲达环保科技股份有限公司 | Method of advanced oxidation for NO in flue gas and device thereof |
| CN105536529A (en) * | 2015-12-21 | 2016-05-04 | 河南弘康环保科技有限公司 | Application of Fenton catalyst in flue gas desulfurization and denitrification |
| CN109453646A (en) * | 2018-11-20 | 2019-03-12 | 山东蓝想环境科技股份有限公司 | A kind of aromatic hydrocarbons waste gas treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990831 |