JPH09248425A - Dioxine removing material, dioxine removing method, exhaust gas treatment equipment and dioxine removing material-regenerating method - Google Patents
Dioxine removing material, dioxine removing method, exhaust gas treatment equipment and dioxine removing material-regenerating methodInfo
- Publication number
- JPH09248425A JPH09248425A JP8060658A JP6065896A JPH09248425A JP H09248425 A JPH09248425 A JP H09248425A JP 8060658 A JP8060658 A JP 8060658A JP 6065896 A JP6065896 A JP 6065896A JP H09248425 A JPH09248425 A JP H09248425A
- Authority
- JP
- Japan
- Prior art keywords
- dioxin
- removing material
- dioxine
- exhaust gas
- dust collector
- 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.)
- Granted
Links
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ダイオキシンを除
去するための技術に関し、具体的にはダイオキシン除去
材、ダイオキシン除去方法及び排ガス処理設備に関し、
例えば、燃焼装置からの排ガスに含まれるダイオキシン
を吸着除去するダイオキシン除去材、あるいは、ガス流
路中のダイオキシンを除去する方法、あるいは、排ガス
供給管に集塵装置を設けてある排ガス処理設備に関す
る。また、このような技術に用いたダイオキシン除去材
を再生して利用する技術にも関する。TECHNICAL FIELD The present invention relates to a technique for removing dioxin, and more specifically to a dioxin removing material, a dioxin removing method, and an exhaust gas treatment facility,
For example, the present invention relates to a dioxin removing material that adsorbs and removes dioxin contained in exhaust gas from a combustion device, a method for removing dioxin in a gas flow path, or an exhaust gas treatment facility in which a dust collector is provided in an exhaust gas supply pipe. Further, the present invention also relates to a technology for recycling and utilizing the dioxin removing material used in such a technology.
【0002】[0002]
【従来の技術】従来、ダイオキシンを除去するための技
術としては、排ガス供給管に集塵装置を設けてある排ガ
ス処理設備において、ダイオキシン除去材としての活性
炭にダイオキシンを吸着させて排ガス中のダイオキシン
を除去し、排ガスを浄化することにより低公害に寄与す
ることが提案されている。2. Description of the Related Art Conventionally, as a technique for removing dioxin, in an exhaust gas treatment facility having a dust collector in the exhaust gas supply pipe, dioxin in the exhaust gas is absorbed by adsorbing dioxin on activated carbon as a dioxin removing material. It is proposed to contribute to low pollution by removing and purifying exhaust gas.
【0003】[0003]
【発明が解決しようとする課題】しかし、上述した活性
炭を用いる技術は、前記活性炭が燃焼してしまうという
理由から、あまり高温になる場所での使用には適さず、
燃焼排ガス等の高温のガス中からダイオキシンを除去す
るのには用いることが出来ないという現状があった。However, the above-mentioned technique using activated carbon is not suitable for use in a place where the temperature is too high because the activated carbon burns.
There is a current situation that it cannot be used to remove dioxin from high-temperature gas such as combustion exhaust gas.
【0004】従って、本発明の目的は、上記欠点に鑑
み、高温下でも利用できるダイオキシン除去技術を提供
することにある。Therefore, in view of the above drawbacks, an object of the present invention is to provide a dioxin removing technique which can be used even at a high temperature.
【0005】[0005]
【課題を解決するための手段】本発明は、ゼオライトが
ダイオキシンを吸着し、さらには、ダイオキシンを吸着
したゼオライトを高温加熱すると、前記ゼオライトが再
生されるとともに、ダイオキシンを分解して除害できる
という新知見によるものである。According to the present invention, zeolite adsorbs dioxin, and further, when the zeolite adsorbing dioxin is heated at a high temperature, the zeolite is regenerated and dioxin can be decomposed and removed. This is due to new knowledge.
【0006】〔構成〕前記目的を達成するための本発明
のダイオキシン除去材は、ゼオライトから構成してある
ことを特徴とし、その作用効果は以下のとおりである。[Structure] The dioxin removing material of the present invention for achieving the above-mentioned object is characterized by being composed of zeolite, and its function and effect are as follows.
【0007】〔作用効果〕つまり、前記ダイオキシン除
去材はゼオライトから構成してあるので、ダイオキシン
雰囲気に前記ダイオキシン除去材を配置することで、前
記ダイオキシン除去材が雰囲気中のダイオキシンを吸着
し、前記雰囲気中からダイオキシンを除去することが出
来るのである。ここで、前記ゼオライトは、高温でも燃
焼しにくく、燃焼排ガスが高温な状態でも、その燃焼排
ガスから、ダイオキシンを除去できるとともに、加熱処
理だけで簡単に再生も出来ることから、再生利用によっ
てランニングコストを低く設定できる。[Operation and Effect] That is, since the dioxin removing material is composed of zeolite, by disposing the dioxin removing material in the dioxin atmosphere, the dioxin removing material adsorbs dioxin in the atmosphere, Dioxins can be removed from the inside. Here, the zeolite is difficult to burn even at high temperatures, even if the combustion exhaust gas is in a high temperature state, it is possible to remove dioxin from the combustion exhaust gas, and it is possible to easily regenerate it only by heat treatment, so that the running cost by recycling is reduced. Can be set low.
【0008】〔構成〕また、本発明のダイオキシン除去
方法の特徴手段は、ガス流路に集塵装置を設け、ダイオ
キシン含有ガスが前記ガス流路に流通している状態で、
前記集塵装置の上流側に前記ダイオキシン除去材を粉末
状態で噴射供給して、ダイオキシンを吸着させ、前記ダ
イオキシンを吸着したダイオキシン除去材を前記集塵装
置で回収することにあり、その作用効果は以下のとおり
である。[Structure] Further, a characteristic means of the dioxin removing method of the present invention is that a dioxin-containing gas is circulated in the gas flow path by providing a dust collector in the gas flow path,
Injecting and supplying the dioxin removing material in a powder state to the upstream side of the dust collector, adsorbing dioxin, and recovering the dioxin removing material having adsorbed the dioxin in the dust collector, the operation effect is It is as follows.
【0009】〔作用効果〕つまり、前記ガス流路に前記
ダイオキシン除去材を配置するから、前記ダイオキシン
除去材にダイオキシンを接触させることが出来、前記ガ
ス流路に供給されるガスからダイオキシンを除去するこ
とができる。また、このとき前記ダイオキシン除去材は
粉末状態で噴射供給されるので、前記ダイオキシン除去
材とダイオキシンとの接触効率が高く、かつ、前記集塵
装置の上流側において噴射供給されるので、前記ダイオ
キシンを吸着したダイオキシン除去材は、確実に前記集
塵装置で回収する事が可能である。[Operation and Effect] That is, since the dioxin removing material is arranged in the gas passage, the dioxin can be brought into contact with the dioxin removing material, and the dioxin is removed from the gas supplied to the gas passage. be able to. Further, at this time, since the dioxin removing material is injected and supplied in a powder state, the contact efficiency between the dioxin removing material and dioxin is high, and since it is injected and supplied on the upstream side of the dust collecting device, the dioxin is removed. The adsorbed dioxin removing material can be reliably recovered by the dust collector.
【0010】〔構成〕また、本発明のダイオキシン除去
方法の特徴手段は、ガス流路に集塵装置を設け、かつ、
前記集塵装置の下流側に請求項1記載のダイオキシン除
去材を含んでなるダイオキシン除去層を形成してある状
態で、前記ガス流路にダイオキシン含有ガスを供給して
もよく、その作用効果は以下のとおりである。[Structure] The dioxin removing method of the present invention is characterized by providing a dust collector in the gas flow path, and
The dioxin-containing gas may be supplied to the gas flow path in a state in which the dioxin-removing layer containing the dioxin-removing material according to claim 1 is formed on the downstream side of the dust collector, and its action and effect are It is as follows.
【0011】〔作用効果〕つまり、前記ガス流路に集塵
装置を設け、かつ、前記集塵装置の下流側に前記ダイオ
キシン除去層を配置するから、前記集塵装置を通過する
ダイオキシンをダイオキシン除去層に含まれる前記ダイ
オキシン除去材に接触させることが出来、また、前記ダ
イオキシン除去材は層状に設けてあるから、前記集塵装
置を透過したダイオキシンを確実に前記ダイオキシン除
去層中に導き、前記ガス流路に供給されるガスからダイ
オキシンを確実に除去することができる。また、前記ダ
イオキシンを吸着したダイオキシン除去材は、前記ダイ
オキシン除去層を一体にして回収することが出来る。従
って、前記ダイオキシン除去層は、他のダスト成分が含
まれるような状態になりにくく容易に再生可能な形態で
回収されるので、前記ガス流路に供給されるガス中から
ダイオキシンを除去して用いた後には、回収したダイオ
キシン除去材を再生処理して、再度ダイオキシン除去に
用いれば、繰り返し利用することによってランニングコ
ストの低くすることが出来、有用なダイオキシン除去方
法であるといえる。[Operation and Effect] That is, since the dust collecting device is provided in the gas flow path and the dioxin removing layer is arranged on the downstream side of the dust collecting device, dioxin passing through the dust collecting device is removed. It can be brought into contact with the dioxin removing material contained in the layer, and since the dioxin removing material is provided in a layered form, the dioxin that has permeated through the dust collector is surely introduced into the dioxin removing layer, and the gas is removed. It is possible to reliably remove dioxin from the gas supplied to the flow channel. Further, the dioxin removing material having adsorbed the dioxin can be collected by integrating the dioxin removing layer. Therefore, the dioxin removal layer is unlikely to contain other dust components and is easily recovered in a reproducible form. Therefore, the dioxin can be removed from the gas supplied to the gas flow path. After that, if the recovered dioxin-removing material is reprocessed and used again for dioxin-removing, the running cost can be lowered by repeated use, and it can be said that this is a useful dioxin-removing method.
【0012】〔構成〕また、本発明の排ガス処理設備の
特徴構成は、排ガス供給管に集塵装置を設けてある排ガ
ス処理設備であって、前記排ガス供給管の前記集塵装置
上流側に請求項1記載のダイオキシン除去材を粉末状態
で噴射供給自在なダイオキシン除去材供給部を設けてあ
ることにあり、その作用効果は以下のとおりである。[Configuration] Further, a characteristic configuration of the exhaust gas treatment equipment of the present invention is an exhaust gas treatment equipment in which a dust collector is provided in the exhaust gas supply pipe, wherein the exhaust gas treatment pipe is provided upstream of the dust collector. The dioxin-removing material according to item 1 is provided with a dioxin-removing material supply section that can be spray-supplied in a powder state, and the function and effect thereof are as follows.
【0013】〔作用効果〕つまり、前記排ガス供給管に
前記ダイオキシン除去材供給部を配置するから、前記ダ
イオキシン除去材供給部からダイオキシン除去材を供給
するだけで前記ダイオキシン除去材をダイオキシン雰囲
気下に配置する事になり、ダイオキシン除去材にダイオ
キシンを接触させることが出来、前記排ガス供給管に供
給される排ガスからダイオキシンを除去することができ
る。また、このとき前記ダイオキシン除去材は粉末状態
で噴射供給されるので、前記ダイオキシン除去材とダイ
オキシンとの接触効率が高く、かつ、前記集塵装置の上
流側において噴射供給されるので、前記ダイオキシンを
吸着したダイオキシン除去材は、確実に前記集塵装置で
回収可能に構成できる。[Operation and Effect] That is, since the dioxin removing material supply unit is arranged in the exhaust gas supply pipe, the dioxin removing material is arranged in the dioxin atmosphere only by supplying the dioxin removing material from the dioxin removing material supply unit. Therefore, the dioxin removing material can be brought into contact with the dioxin removing material, and the dioxin can be removed from the exhaust gas supplied to the exhaust gas supply pipe. Further, at this time, since the dioxin removing material is injected and supplied in a powder state, the contact efficiency between the dioxin removing material and dioxin is high, and since it is injected and supplied on the upstream side of the dust collecting device, the dioxin is removed. The adsorbed dioxin removing material can be reliably collected by the dust collector.
【0014】〔構成〕また、本発明の排ガス処理設備の
特徴構成は、排ガス供給管に集塵装置を設けてある排ガ
ス処理設備であって、前記排ガス供給管の前記集塵装置
下流側に請求項1記載のダイオキシン除去材を含んでな
るダイオキシン除去層を形成してあることにあり、その
作用効果は以下のとおりである。[Configuration] Further, a characteristic configuration of the exhaust gas treatment equipment of the present invention is an exhaust gas treatment equipment in which a dust collector is provided in the exhaust gas supply pipe, wherein the exhaust gas treatment pipe is provided downstream of the dust collector. The dioxin-removing layer containing the dioxin-removing material according to item 1 is formed, and the function and effect thereof are as follows.
【0015】〔作用効果〕つまり、前記排ガス供給管に
集塵装置を設け、かつ、前記集塵装置の下流側に前記ダ
イオキシン除去層を配置するから、前記集塵装置を通過
するダイオキシンをダイオキシン除去層に含まれる前記
ダイオキシン除去材に接触させることが出来、また、前
記ダイオキシン除去材は層状に設けてあるから、前記集
塵装置を透過したダイオキシンを確実に前記ダイオキシ
ン除去層中に導き、前記ガス流路に供給することが出来
る。従って、前記ダイオキシン除去層は、他のダスト成
分が含まれるような状態になりにくく容易に再生可能な
形態で回収されるので、前記ガス流路に供給されるガス
中からダイオキシンを除去して用いた後には、回収した
ダイオキシン除去材を再生処理して、再度ダイオキシン
除去に用いれば、繰り返し利用することによってランニ
ングコストの低くすることが出来る排ガス処理設備を提
供することが出来る。[Operation and Effect] That is, since the dust collector is provided in the exhaust gas supply pipe and the dioxin removal layer is arranged on the downstream side of the dust collector, the dioxin passing through the dust collector is removed. It can be brought into contact with the dioxin removing material contained in the layer, and since the dioxin removing material is provided in a layered form, the dioxin that has permeated through the dust collector is surely introduced into the dioxin removing layer, and the gas is removed. It can be supplied to the flow path. Therefore, the dioxin removal layer is unlikely to contain other dust components and is easily recovered in a reproducible form. Therefore, the dioxin can be removed from the gas supplied to the gas flow path. After that, if the recovered dioxin-removing material is reprocessed and used again for dioxin-removing, it is possible to provide an exhaust gas treatment facility that can reduce the running cost by repeatedly using it.
【0016】〔構成〕また、本発明のダイオキシン除去
材再生方法の特徴構成は、前記ダイオキシン除去材を、
ダイオキシンの分解温度以上の高温に晒すことにあり、
その作用効果は以下の通りである。 〔作用効果〕つまり、前記ダイオキシン除去材を高温に
晒せば、そのダイオキシン除去材により吸着除去された
ダイオキシンのみを分離させることが出来、そのダイオ
キシン除去材のダイオキシン除去能力を回復させること
が出来る。そのため、再生させたダイオキシン除去材を
再利用することが出来、排ガス処理設備等に利用した場
合にランニングコストを安くすることが可能となる。[Structure] Further, a characteristic structure of the method for recycling a dioxin removing material of the present invention is that the dioxin removing material is
Exposing to high temperature above decomposition temperature of dioxin,
The effects are as follows. [Effect] That is, when the dioxin removing material is exposed to a high temperature, only the dioxin adsorbed and removed by the dioxin removing material can be separated, and the dioxin removing ability of the dioxin removing material can be restored. Therefore, the regenerated dioxin-removing material can be reused, and the running cost can be reduced when used for the exhaust gas treatment facility or the like.
【0017】[0017]
【発明の実施の形態】以下に本発明の実施の形態とし
て、排ガス処理設備を図面に基づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Exhaust gas treatment equipment will be described below as embodiments of the present invention with reference to the drawings.
【0018】<1> 図1に示すように、本発明の排ガ
ス処理設備は、焼却炉Aに排ガス排出路A1を設けると
ともに集塵装置ユニットBを設け、前記排ガス排出路A
1を前記集塵装置ユニットBの排ガス供給部B1に導く
とともに、前記集塵装置ユニットBからの排ガス排出部
B2から排気部(煙突)Cに導いて設け、前記排ガス排
出路A1に集塵装置ユニットBを介在させた状態にして
排ガス処理設備を構成してある。前記集塵装置ユニット
Bには集塵フィルタ1を内装するとともに、前記排ガス
供給部B1に、ゼオライトからなるダイオキシン除去材
2を粉末状態で噴射供給自在なダイオキシン除去材供給
部3を設けてある。 <2> 図2に示すように、本発明の排ガス処理設備
は、焼却炉Aに排ガス排出路A1を設けるとともに集塵
装置ユニットBを設け、前記排ガス排出路A1を前記集
塵装置ユニットBの排ガス供給部B1に導くとともに、
前記集塵装置ユニットBからの排ガス排出部B2から排
気部(煙突)Cに導いて設け、前記排ガス排出路1に集
塵装置ユニットBを介在させた状態にして排ガス処理設
備を構成してある。前記集塵装置ユニットBには集塵フ
ィルタ1を内装するとともに、前記排ガス排出部B2
に、ゼオライトからなるダイオキシン除去材2を主材と
してハニカム状に形成してあるダイオキシン除去フィル
タを設けて、ダイオキシン除去層4を形成してある。<1> As shown in FIG. 1, in the exhaust gas treatment equipment of the present invention, the incinerator A is provided with the exhaust gas discharge passage A1 and the dust collector unit B, and the exhaust gas discharge passage A is provided.
1 is introduced to the exhaust gas supply unit B1 of the dust collector unit B and is guided to the exhaust unit (chimney) C from the exhaust gas discharge unit B2 from the dust collector unit B, and is provided in the exhaust gas discharge passage A1. The exhaust gas treatment facility is configured with the unit B interposed. The dust collector unit B is equipped with a dust collecting filter 1 and the exhaust gas supply unit B1 is provided with a dioxin removing material supply unit 3 capable of injecting and supplying a dioxin removing material 2 made of zeolite in a powder state. <2> As shown in FIG. 2, in the exhaust gas treatment facility of the present invention, the incinerator A is provided with the exhaust gas discharge passage A1 and the dust collector unit B, and the exhaust gas discharge passage A1 is connected to the dust collector unit B. While leading to the exhaust gas supply unit B1,
An exhaust gas treatment facility is configured such that the exhaust gas discharge portion B2 from the dust collector unit B is guided to an exhaust portion (chimney) C, and the dust collector unit B is interposed in the exhaust gas discharge passage 1. . The dust collector unit B is equipped with a dust collecting filter 1 and the exhaust gas discharge portion B2.
In addition, a dioxin removing filter formed in a honeycomb shape with the dioxin removing material 2 made of zeolite as a main material is provided to form the dioxin removing layer 4.
【0019】[0019]
【実施例】先の実施の形態<1>の排ガス処理設備にお
いて、前記集塵装置ユニットBの前記排ガス供給部B1
の上流側と、前記排ガス排出部B2の下流側とでそれぞ
れダイオキシン濃度を測定したところ、前記排ガス供給
部B1の上流側で0.25TEQng/m3(標準状
態)であったのに対し、前記排ガス排出部B2の下流側
では、0.03TEQng/m3(標準状態)となり、
ダイオキシン濃度が有意に低減していることがわかっ
た。[Example] In the exhaust gas treatment facility of the previous embodiment <1>, the exhaust gas supply unit B1 of the dust collector unit B
When the dioxin concentration was measured on the upstream side of the exhaust gas discharge part B2 and on the downstream side of the exhaust gas discharge part B2, it was 0.25 TEQng / m 3 (standard state) on the upstream side of the exhaust gas supply part B1. On the downstream side of the exhaust gas discharge part B2, it becomes 0.03 TEQng / m 3 (standard state),
It was found that the dioxin concentration was significantly reduced.
【0020】また、先の実施の形態<2>の排ガス処理
設備においても、前記集塵装置ユニットBの前記排ガス
供給部B1の上流側と、前記排ガス排出部B2の下流側
とでそれぞれダイオキシン濃度を測定したところ、前記
排ガス供給部B1の上流側で0.42TEQng/m3
(標準状態)であったのに対し、前記排ガス排出部B2
の下流側では、0.05TEQng/m3(標準状態)
となり、ダイオキシン濃度は有意に低減していることが
わかった。Also in the exhaust gas treatment equipment of the previous embodiment <2>, the dioxin concentration in the upstream side of the exhaust gas supply section B1 of the dust collector unit B and in the downstream side of the exhaust gas discharge section B2 are respectively reduced. Was measured to find 0.42 TEQng / m 3 on the upstream side of the exhaust gas supply section B1.
(Standard condition), the exhaust gas discharge part B2
0.05 TEQng / m 3 (standard condition) on the downstream side of
Therefore, it was found that the dioxin concentration was significantly reduced.
【0021】尚、TEQとは、総ダイオキシン毒性を
2,3,7,8−テトラクロロジダイオキシンによるも
のと換算した場合のダイオキシン量を指すものとする。TEQ is the amount of dioxins when the total toxicity of dioxins is converted to that due to 2,3,7,8-tetrachlorodidioxin.
【0022】また、先に利用したダイオキシン除去材2
は、ローラーキルンを用いて850℃に加熱して再生
し、再生時に生じた排ガスは、前記ローラーキルンの二
次燃焼室で酸化炎中1000℃で分解させることが出来
た。尚、前記ダイオキシン除去材2は、再生前に10T
EQng/gのダイオキシンを含むものが、再生後のダ
イオキシン含有量が0.03TEQng/gとなり、十
分再利用に耐えるものとなっていることがわかった。ま
た、前記ローラーキルンの二次燃焼室からの排ガスは、
0.01TEQng/m3(標準状態)未満となり、毒
性の低いものとなって、前記二次燃焼室内で前記ダイオ
キシンは分解されていることがわかる。Further, the dioxin removing material 2 previously used
Was regenerated by heating it to 850 ° C. using a roller kiln, and the exhaust gas generated during regeneration could be decomposed in an oxidizing flame at 1000 ° C. in the secondary combustion chamber of the roller kiln. In addition, the dioxin removing material 2 is
It was found that those containing EQ ng / g of dioxin had a dioxin content of 0.03 TEQ ng / g after regeneration, and were sufficiently resistant to reuse. Further, the exhaust gas from the secondary combustion chamber of the roller kiln is
It is less than 0.01 TEQng / m 3 (standard state), and the toxicity is low, and it can be seen that the dioxin is decomposed in the secondary combustion chamber.
【0023】〔別実施形態〕以下に別実施形態を説明す
る。先の実施の形態では、ダイオキシン除去材供給部3
を排ガス供給部に、もしくは、ダイオキシン除去層4を
排ガス排出部B2に設けたが、前記ダイオキシン除去材
供給部3を前記集塵装置ユニットB内に設けたり、前記
ダイオキシン除去層4を集塵フィルタ1と一体形成して
あっても良く、さらには、ダイオキシン除去材供給部
3、ダイオキシン除去層4を共に設けてあってもよい。[Other Embodiment] Another embodiment will be described below. In the previous embodiment, the dioxin removing material supply unit 3
Is provided in the exhaust gas supply unit or the dioxin removal layer 4 is provided in the exhaust gas discharge unit B2. The dioxin removal material supply unit 3 is provided in the dust collector unit B, or the dioxin removal layer 4 is provided as a dust collection filter. 1 may be integrally formed, and further, the dioxin removing material supply part 3 and the dioxin removing layer 4 may be provided together.
【0024】また、前記集塵フィルタ1もしくはその集
塵フィルタ1にかわって前記排ガス排出路A1内の固形
成分を濾別する装置を集塵装置と総称し、集塵装置と称
するものは、前記集塵フィルタに限るものではない。Further, the dust collecting filter 1 or the device for filtering the solid components in the exhaust gas discharge passage A1 on behalf of the dust collecting filter 1 is generically called a dust collecting device, and what is called a dust collecting device is It is not limited to the dust collecting filter.
【0025】尚、特許請求の範囲の項に、図面との対照
を便利にするために符号を記すが、該記入により本発明
は添付図面の構成に限定されるものではない。In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.
【図1】本発明の実施の形態<1>における排ガス処理
設備の概念図FIG. 1 is a conceptual diagram of an exhaust gas treatment facility according to an embodiment <1> of the present invention.
【図2】本発明の実施の形態<2>における排ガス処理
設備の概念図FIG. 2 is a conceptual diagram of an exhaust gas treatment facility according to an embodiment <2> of the present invention.
1 集塵フィルタ 2 ダイオキシン除去材 3 ダイオキシン除去材供給部 4 ダイオキシン除去層 A1 排ガス供給管 1 Dust Collection Filter 2 Dioxin Removal Material 3 Dioxin Removal Material Supply Section 4 Dioxin Removal Layer A1 Exhaust Gas Supply Pipe
Claims (6)
材。1. A dioxin removing material comprising zeolite.
オキシン含有ガスが前記ガス流路(A1)に流通してい
る状態で、前記集塵装置(1)の上流側に請求項1記載
のダイオキシン除去材(2)を粉末状態で噴射供給し
て、ダイオキシンを吸着させ、前記ダイオキシンを吸着
したダイオキシン除去材(2)を前記集塵装置(1)で
回収するダイオキシン除去方法。2. The dust collector (1) is provided in the gas flow path, and the dioxin-containing gas is circulated in the gas flow path (A1) in a state upstream of the dust collector (1). A dioxin removing method in which the dioxin removing material (2) according to 1 is spray-supplied in a powder state to adsorb dioxin, and the dioxin removing material (2) having adsorbed the dioxin is recovered by the dust collector (1).
つ、前記集塵装置(1)の下流側に請求項1記載のダイ
オキシン除去材(2)を含んでなるダイオキシン除去層
(4)を形成してある状態で、前記ガス流路にダイオキ
シン含有ガスを供給するダイオキシン除去方法。3. A dioxin removing layer (2) comprising a dioxin removing material (2) according to claim 1, which is provided with a dust collecting device (1) in a gas flow path, and which is provided downstream of the dust collecting device (1). The dioxin removal method of supplying a dioxin containing gas to the said gas flow path in the state which 4) is formed.
を設けてある排ガス処理設備であって、前記排ガス供給
管(A1)の前記集塵装置(1)上流側に請求項1記載
のダイオキシン除去材(2)を粉末状態で噴射供給自在
なダイオキシン除去材供給部(3)を設けてある排ガス
処理設備。4. A dust collector (1) in the exhaust gas supply pipe (A1)
An flue gas treatment facility provided with a dioxin eliminator capable of spraying and supplying the dioxin eliminator (2) according to claim 1 in a powder state, upstream of the dust collector (1) of the flue gas supply pipe (A1). Exhaust gas treatment facility provided with a material supply unit (3).
を設けてある排ガス処理設備であって、前記排ガス供給
管(A1)の前記集塵装置(1)下流側に請求項1記載
のダイオキシン除去材(2)を含んでなるダイオキシン
除去層(4)を形成してある排ガス処理設備。5. A dust collector (1) for the exhaust gas supply pipe (A1)
A dioxin removing layer (4) comprising the dioxin removing material (2) according to claim 1, which is an exhaust gas treatment facility provided with a downstream side of the dust collector (1) of the exhaust gas supply pipe (A1). Exhaust gas treatment facility that is formed.
ンを除去した後、前記ダイオキシン除去材を再生するダ
イオキシン除去材再生方法であって、前記ダイオキシン
除去材を、ダイオキシンの分解温度以上の高温に晒すダ
イオキシン除去材再生方法。6. A method for regenerating a dioxin removing material, comprising removing the dioxin using a dioxin removing material and then regenerating the dioxin removing material, wherein the dioxin removing material is exposed to a temperature higher than a decomposition temperature of dioxin. Material recycling method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06065896A JP3497319B2 (en) | 1996-03-18 | 1996-03-18 | Dioxin removal material recycling method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06065896A JP3497319B2 (en) | 1996-03-18 | 1996-03-18 | Dioxin removal material recycling method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09248425A true JPH09248425A (en) | 1997-09-22 |
JP3497319B2 JP3497319B2 (en) | 2004-02-16 |
Family
ID=13148665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP06065896A Expired - Fee Related JP3497319B2 (en) | 1996-03-18 | 1996-03-18 | Dioxin removal material recycling method |
Country Status (1)
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JP (1) | JP3497319B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11347343A (en) * | 1998-05-29 | 1999-12-21 | Walhalla Kalk Entwicklungs & Vertriebs Gmbh | Agent for cleaning exhaust gas |
US6279491B1 (en) | 1999-10-05 | 2001-08-28 | Ngk Insulators, Ltd. | Method of treating exhaust gas |
US6511527B2 (en) | 2001-02-06 | 2003-01-28 | Ngk Insulators, Ltd. | Method of treating exhaust gas |
KR100450731B1 (en) * | 1997-08-07 | 2005-02-02 | 미우라고교 가부시키카이샤 | Adsorbent for exhaust gas treatment and its adsorption method |
KR100482935B1 (en) * | 1997-08-07 | 2005-08-17 | 미우라고교 가부시키카이샤 | Adsorption removal device of dioxin |
KR100803089B1 (en) * | 2001-12-22 | 2008-02-18 | 주식회사 포스코 | Adsorbent using natural zeolite powder and method for removal of dioxins in the flue gas using the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05503659A (en) * | 1990-02-16 | 1993-06-17 | グロチヨフスキー,ホルスト | Method and device for processing fluid by countercurrent method using solids existing as powder or granules |
JPH05184855A (en) * | 1992-01-14 | 1993-07-27 | Takuma Co Ltd | Device for treating exhaust gas and method therefor |
JPH0731847A (en) * | 1993-07-20 | 1995-02-03 | Kobe Steel Ltd | Removal of harmful substance from waste gas |
-
1996
- 1996-03-18 JP JP06065896A patent/JP3497319B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05503659A (en) * | 1990-02-16 | 1993-06-17 | グロチヨフスキー,ホルスト | Method and device for processing fluid by countercurrent method using solids existing as powder or granules |
JPH05184855A (en) * | 1992-01-14 | 1993-07-27 | Takuma Co Ltd | Device for treating exhaust gas and method therefor |
JPH0731847A (en) * | 1993-07-20 | 1995-02-03 | Kobe Steel Ltd | Removal of harmful substance from waste gas |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450731B1 (en) * | 1997-08-07 | 2005-02-02 | 미우라고교 가부시키카이샤 | Adsorbent for exhaust gas treatment and its adsorption method |
KR100482935B1 (en) * | 1997-08-07 | 2005-08-17 | 미우라고교 가부시키카이샤 | Adsorption removal device of dioxin |
JPH11347343A (en) * | 1998-05-29 | 1999-12-21 | Walhalla Kalk Entwicklungs & Vertriebs Gmbh | Agent for cleaning exhaust gas |
US6279491B1 (en) | 1999-10-05 | 2001-08-28 | Ngk Insulators, Ltd. | Method of treating exhaust gas |
US6511527B2 (en) | 2001-02-06 | 2003-01-28 | Ngk Insulators, Ltd. | Method of treating exhaust gas |
KR100803089B1 (en) * | 2001-12-22 | 2008-02-18 | 주식회사 포스코 | Adsorbent using natural zeolite powder and method for removal of dioxins in the flue gas using the same |
Also Published As
Publication number | Publication date |
---|---|
JP3497319B2 (en) | 2004-02-16 |
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