JPH0929046A - Exhaust gas treatment using adsorbent - Google Patents
Exhaust gas treatment using adsorbentInfo
- Publication number
- JPH0929046A JPH0929046A JP7184558A JP18455895A JPH0929046A JP H0929046 A JPH0929046 A JP H0929046A JP 7184558 A JP7184558 A JP 7184558A JP 18455895 A JP18455895 A JP 18455895A JP H0929046 A JPH0929046 A JP H0929046A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- adsorbent
- bag filter
- activated coke
- tower
- 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
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、都市ごみ焼却炉や
灰溶融炉等から排出する排ガスを、活性コークス等を利
用して処理する吸着剤を利用した排ガス処理方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exhaust gas treatment method using an adsorbent for treating exhaust gas discharged from a municipal solid waste incinerator, an ash melting furnace or the like using activated coke or the like.
【０００２】[0002]
【従来の技術】従来、都市ごみ焼却炉や灰溶融炉等から
排出する排ガスの処理方法としては、例えば図２に示す
ようなものがある。図２において、吸着塔１は移動層式
のもので、塔頂部より投入した吸着剤をなす活性コーク
スを塔底部から取り出す構造をなしている。吸着塔１に
導いた排ガス２に対し、活性コークスが吸着作用を及ぼ
して排ガス２中の有害物質を吸着除去する。その後に、
排ガス２は煙突装置３から大気に排出する。2. Description of the Related Art Conventionally, as a method for treating exhaust gas discharged from an incinerator for municipal solid waste, an ash melting furnace, etc., there is, for example, one shown in FIG. In FIG. 2, the adsorption tower 1 is of a moving bed type, and has a structure in which the activated coke forming the adsorbent charged from the tower top is taken out from the tower bottom. The activated coke exerts an adsorption effect on the exhaust gas 2 introduced into the adsorption tower 1 to adsorb and remove harmful substances in the exhaust gas 2. Then,
The exhaust gas 2 is discharged from the chimney device 3 to the atmosphere.
【０００３】一方、吸着塔１の底部から取り出した活性
コークスは再生塔４に導き、燃焼炉５から排出する排ガ
スや蒸気によって加熱し、吸着した物質を脱着して再生
する。再生塔４で再生した活性コークスは、振動篩６に
掛けて移動時における摩耗によって発生した粉体の廃活
性コークスを分離し、良品を再び吸着塔１に返送し、循
環再利用する。活性コークスの返送に際し、不足量は活
性コークスバンカー７から補給する。また、再生塔４で
吸着剤から分離した有害物質は回収装置８で回収する。
分離した廃活性コークスは廃棄物として処理するか、な
いしは炉において焼却処分している。On the other hand, the activated coke taken out from the bottom of the adsorption tower 1 is introduced into the regeneration tower 4 and heated by the exhaust gas or steam discharged from the combustion furnace 5 to desorb and regenerate the adsorbed substance. The activated coke regenerated in the regeneration tower 4 is passed through the vibrating screen 6 to separate the waste activated coke of the powder generated by abrasion during movement, and the non-defective product is returned to the adsorption tower 1 again for recycling. When returning the activated coke, the insufficient amount is supplied from the activated coke bunker 7. Further, the harmful substance separated from the adsorbent in the regeneration tower 4 is recovered by the recovery device 8.
The separated waste activated coke is treated as waste or incinerated in a furnace.
【０００４】[0004]
【発明が解決しようとする課題】近年においては、排ガ
ス中に含まれるダイオキシン類（以下ＤＸＮと称す）等
の発癌性物を含む有害物質を高度に除去することが求め
られており、将来においては、ＤＸＮ＜０．１ng−ＴＥ
Ｑ／m3N ，水銀（Ｈｇ）＜０．０５mg／m3N の規制値が
求められると考える。特にＤＸＮの場合に、上記の規制
値を安定して下回るためにはＤＸＮ＜０．０５ng−ＴＥ
Ｑ／m3N 程度を目処にして運転を行うべきである。この
規制値は、上述の吸着処理を行う構成においては不可能
ではない。しかし、吸着塔の出口における排ガス中の有
害物質の濃度はできる限り低減されることが望まれ、ラ
ンニングコストの観点から吸着塔における活性コークス
の使用量を低減することも望まれる。In recent years, it has been required to highly remove harmful substances including carcinogenic substances such as dioxins (hereinafter referred to as DXN) contained in exhaust gas. In the future, , DXN <0.1ng-TE
It is considered that the regulation values of Q / m 3 N and mercury (Hg) <0.05 mg / m 3 N are required. Especially in the case of DXN, DXN <0.05ng-TE in order to stably fall below the above regulation value.
Operation should be carried out with a target of about Q / m 3 N. This regulation value is not impossible in the above-mentioned configuration for performing the suction processing. However, it is desirable that the concentration of harmful substances in the exhaust gas at the outlet of the adsorption tower be reduced as much as possible, and it is also desirable to reduce the amount of active coke used in the adsorption tower from the viewpoint of running cost.
【０００５】また、ＤＸＮ等の有効な除去方法として、
排ガスを低温状態でバグフィルタに導いて濾過すること
が提唱されている。しかし、ガス減温塔において冷却水
が完全に蒸発しない場合には、ガス減温塔の後段に位置
するバグフィルタに未蒸発の冷却水が流入し、バグフィ
ルタの濾布が濡れ、濡れた濾布に煤塵が固着して目詰ま
る問題や、塔内に噴霧した冷却水の水滴が塔の内周面に
達し、濡れた壁面に煤塵が付着してダストトラブルを引
き起こす問題があった。As an effective method for removing DXN, etc.,
It has been proposed to guide the exhaust gas to a bag filter in a low temperature state for filtration. However, if the cooling water does not completely evaporate in the gas temperature reduction tower, the non-evaporated cooling water flows into the bag filter located at the latter stage of the gas temperature reduction tower, the filter cloth of the bag filter gets wet, and the wet filter becomes wet. There were problems that soot and dust adhered to the cloth and clogged, and that water droplets of cooling water sprayed inside the tower reached the inner peripheral surface of the tower and soot and dust adhered to the wet wall surface, causing a dust trouble.
【０００６】本発明は上記した課題を解決するもので、
バグフィルタと吸着塔を併用し、活性コークスを有効に
利用することにより、ＤＸＮ等の有害物質を高度に除去
することができる吸着剤を利用した排ガス処理方法を提
供することを目的とする。The present invention solves the above-mentioned problems, and
It is an object of the present invention to provide an exhaust gas treatment method using an adsorbent that can highly remove harmful substances such as DXN by using a bag filter and an adsorption tower in combination and effectively utilizing active coke.
【０００７】[0007]
【課題を解決するための手段】上記した課題を解決する
ために、本発明の廃活性コークスを利用した排ガス処理
方法は、排ガスをバグフィルタに導くに先立って、排ガ
スの気流中に粉体の散布吸着剤を吹き込み、散布吸着剤
により排ガス中の有害物質を吸着し、バグフィルタにお
いて排ガスから塵埃および散布吸着剤を分離除去し、バ
グフィルタを出た排ガスを吸着塔に導き、吸着塔におい
て排ガス中に残留する有害物質を吸着剤で吸着除去する
構成としたものである。In order to solve the above-mentioned problems, an exhaust gas treatment method using waste activated coke according to the present invention provides a method for producing powder in an air stream of exhaust gas before introducing the exhaust gas to a bag filter. Blow a spray adsorbent, adsorb the harmful substances in the exhaust gas by the spray adsorbent, separate dust and spray adsorbent from the exhaust gas in the bag filter, guide the exhaust gas exiting the bag filter to the adsorption tower, exhaust gas in the adsorption tower The structure is such that harmful substances remaining therein are adsorbed and removed by an adsorbent.
【０００８】また、吸着剤として活性コークスを使用
し、吸着塔から排出する活性コークスを再生塔において
再生し、再生した活性コークスを篩装置を経て吸着塔に
返送することにより吸着剤を循環使用し、篩装置におい
て活性コークスから分離した廃活性コークスの粉体を散
布吸着剤として使用する構成としたものである。Further, active coke is used as an adsorbent, the active coke discharged from the adsorption tower is regenerated in a regeneration tower, and the regenerated active coke is returned to the adsorption tower through a sieving apparatus to circulate and use the adsorbent. In the sieving device, the powder of waste activated coke separated from the activated coke is used as a spray adsorbent.
【０００９】上記した構成により、排ガスの気流中に吹
き込んだ散布吸着剤は、気流中およびバグフィルタの濾
布上において排ガス中のダイオキシン類等の有害物質を
吸着する。このため、バグフィルタに導く排ガスを低温
域にまで減温せずとも、排ガス中の有害物質をバグフィ
ルタにおいて分離除去することができる。With the above structure, the spray adsorbent blown into the air stream of the exhaust gas adsorbs harmful substances such as dioxins in the exhaust gas in the air stream and on the filter cloth of the bag filter. Therefore, the harmful substances in the exhaust gas can be separated and removed by the bag filter without reducing the temperature of the exhaust gas led to the bag filter to a low temperature range.
【００１０】このバグフィルタにおける除去効果によっ
て、吸着塔に流入する排ガスは有害物質の濃度が低いも
のとなり、吸着負荷の低下によって吸着塔における排ガ
ス中の有害物質の吸着除去を高度に行うことができ、吸
着剤の使用量の低減を図ることができる。Due to the removal effect of this bag filter, the exhaust gas flowing into the adsorption tower has a low concentration of harmful substances, and the reduction of the adsorption load enables highly efficient adsorption and removal of harmful substances in the exhaust gas in the adsorption tower. Therefore, the amount of adsorbent used can be reduced.
【００１１】吸着剤として活性コークスを循環利用し、
活性コークスから分離した廃活性コークスの粉体を散布
吸着剤として使用することにより、従来においては廃棄
していた廃活性コークスを吸着剤として再利用すること
ができるとともに、この廃活性コークスによる吸着除去
効果により吸着塔における活性コークスの使用量を減じ
てランニングコストを低下させることができる。Recycled active coke as an adsorbent,
By using the powder of waste activated coke separated from the activated coke as the spraying adsorbent, the waste activated coke, which was previously discarded, can be reused as the adsorbent and can be adsorbed and removed by this waste activated coke. Due to the effect, the amount of active coke used in the adsorption tower can be reduced and the running cost can be reduced.
【００１２】[0012]
【発明の実施の形態】以下、本発明の一実施の形態を図
面に基づいて説明する。図１において、都市ごみ焼却炉
や灰溶融炉等の排ガス発生源１１と煙突装置１２の間を
連通する排気路１３の途中には、排ガスの気流の流れに
沿って順次にバグフィルタ１４と吸着塔１５が介装して
ある。吸着塔１５は移動層式で塔頂部より活性化した吸
着剤を供給し、塔底部より吸着能の飽和した吸着剤を排
出するものであり、吸着剤として活性コークスを使用し
ている。吸着塔１５の底部側は吸着剤排出路１６を介し
て再生塔１７のホッパー部１７ａに連通している。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, in the middle of an exhaust path 13 that communicates between an exhaust gas generation source 11 such as a municipal solid waste incinerator or an ash melting furnace and a chimney device 12, a bag filter 14 and an adsorption are sequentially provided along a flow of an exhaust gas flow. A tower 15 is installed. The adsorption tower 15 is of a moving bed type, which supplies the activated adsorbent from the top of the tower and discharges the adsorbent with saturated adsorption capacity from the bottom of the tower, and uses activated coke as the adsorbent. The bottom side of the adsorption tower 15 communicates with the hopper 17a of the regeneration tower 17 via the adsorbent discharge passage 16.
【００１３】再生塔１７は吸着塔１５より排出した吸着
剤を再生させるものであり、内部に設けた加熱器には加
熱源として燃焼炉１８等が接続するとともに、塔頂部に
は吸着剤から分離した有害物質を回収する回収装置１９
が接続している。再性塔１７の底部側は振動篩装置２０
および吸着剤返送路２１を介して吸着塔１５の頂部側に
連通しており、吸着剤返送路２１の途中には活性コーク
スバンカー２２が連通している。また、バグフィルタ１
４より上流側の排気路１３と振動篩装置２０とを連通し
て吸着剤吹込路２３が設けてある。The regenerator 17 is for regenerating the adsorbent discharged from the adsorption tower 15. A heater provided inside is connected to a combustion furnace 18 as a heating source, and the top of the tower is separated from the adsorbent. Recovery device 19 for recovering harmful substances
Is connected. The bottom side of the regeneration tower 17 is a vibrating screen device 20.
And the adsorbent return path 21 communicates with the top side of the adsorption tower 15, and an activated coke bunker 22 communicates with the adsorbent return path 21. Also, bug filter 1
An adsorbent blowing passage 23 is provided to connect the exhaust passage 13 and the vibrating screen device 20 on the upstream side of 4.
【００１４】以下、上記した構成における作用を説明す
る。排ガス発生源１１から排気路１３を通して排ガスを
バグフィルタ１４に導くに先立って、吸着剤吹込路２３
から排ガスの気流中に粉体の散布吸着剤を吹き込む。こ
の散布吸着剤は、後述する廃活性コークスの粉体であ
り、気流中およびバグフィルタ１４の濾布上において排
ガス中のＤＸＮ等の有害物質を吸着する。このため、バ
グフィルタに導く排ガスを低温域にまで減温せずとも、
排ガス中の有害物質をバグフィルタにおいて分離除去す
ることができる。The operation of the above configuration will be described below. Before leading the exhaust gas from the exhaust gas source 11 through the exhaust passage 13 to the bag filter 14, the adsorbent blowing passage 23
Blow a powder-dispersed adsorbent into the exhaust gas stream. The spray adsorbent is a powder of waste activated coke, which will be described later, and adsorbs harmful substances such as DXN in the exhaust gas in the air flow and on the filter cloth of the bag filter 14. Therefore, even if the exhaust gas guided to the bag filter is not cooled to a low temperature range,
The harmful substances in the exhaust gas can be separated and removed by the bag filter.
【００１５】バグフィルタ１４において排ガスから塵埃
および散布吸着剤を分離除去し、バグフィルタ１４を出
た排ガスを吸着塔１５に導く。吸着塔１５においては排
ガス中に残留する有害物質を活性コークスで吸着除去す
るが、バグフィルタ１４における除去効果によって、吸
着塔１５に流入する排ガスは有害物質の濃度が低いもの
となっているので、吸着負荷の低下によって吸着塔１５
における有害物質の吸着除去を高度に行うことができ
る。吸着塔１５を出た排ガスは排気路１３を通して煙突
装置１２に導く。In the bag filter 14, dust and scattered adsorbent are separated and removed from the exhaust gas, and the exhaust gas discharged from the bag filter 14 is guided to the adsorption tower 15. In the adsorption tower 15, the harmful substances remaining in the exhaust gas are adsorbed and removed by the activated coke, but the exhaust gas flowing into the adsorption tower 15 has a low concentration of the harmful substances due to the removal effect of the bag filter 14. As the adsorption load decreases, the adsorption tower 15
Adsorption and removal of harmful substances can be highly performed. The exhaust gas leaving the adsorption tower 15 is guided to the chimney device 12 through the exhaust passage 13.
【００１６】吸着塔１５から排出する活性コークスは吸
着剤排出路１６を通して再生塔１７に導き、加熱によっ
て活性コークスを再生するとともに、活性コークスから
離間した有害物質を回収装置１９に回収する。再生によ
り活性化した活性コークスは再生塔１７から振動篩装置
２０に導き、循環途上における摩耗によって発生する微
粉の廃活性コークスと活性コークスの粒塊とに分離す
る。活性コークスは吸着剤返送路２１を通して吸着塔１
５に返送し循環使用する。The activated coke discharged from the adsorption tower 15 is guided to the regeneration tower 17 through the adsorbent discharge passage 16 to regenerate the activated coke by heating, and at the same time, the harmful substance separated from the activated coke is recovered by the recovery device 19. The activated coke activated by the regeneration is guided from the regeneration tower 17 to the vibrating screen device 20 and separated into fine powder waste activated coke and agglomerates of the activated coke generated by abrasion during circulation. The activated coke passes through the adsorbent return path 21 and the adsorption tower 1
Return to 5 and use again.
【００１７】一方、振動篩装置２０において活性コーク
スから分離した廃活性コークスの粉体を吸着剤吹込路２
３を通してバグフィルタ１４の上流側の排気路１３に吹
き込み、前述の散布吸着剤として利用する。On the other hand, the powder of waste activated coke separated from the activated coke in the vibrating screen device 20 is adsorbent blowing passage 2
It is blown into the exhaust passage 13 on the upstream side of the bag filter 14 through 3 and is used as the above-mentioned spray adsorbent.
【００１８】ところで、バグフィルタ１４を通過した排
ガス中の有害物質の濃度が上述した規制値を下回るため
には、散布吸着剤は活性炭換算で２０〜５０mg/m3N吹き
込む必要がある。この量の吸着剤の吸着能を比表面積で
表すと２０〜５０m2/m3Nとなる。一方、吸着剤として活
性コークスを使用する場合には、上述の構成におてい廃
活性コークスがおよそ２０mg/m3N発生し、この吸着能を
比表面積で表すと１０m2/m3Nとなる。このため、廃活性
コークスの粉体を吸着剤吹込路２３を通してバグフィル
タ１４の上流側の排気路１３に吹き込むだけでは、上述
した規制値を下回る濃度を達成することはできないが、
必要な吹込量の１／５〜１／２程度を賄うことができ、
これに吸着塔１５での除去能を加えるとＤＸＮ＜０．０
０１ng−ＴＥＱ／m3N の値にまで高度に除去することが
できる。また、バグフィルタ１４の集塵灰は溶融処理す
れば補助燃料として再利用できる。By the way, in order for the concentration of harmful substances in the exhaust gas passing through the bag filter 14 to fall below the above-mentioned regulated value, it is necessary to blow the sprayed adsorbent in an amount of 20 to 50 mg / m 3 N in terms of activated carbon. The specific surface area of the adsorption capacity of this amount of adsorbent is 20 to 50 m 2 / m 3 N. On the other hand, when activated coke is used as the adsorbent, about 20 mg / m 3 N of waste activated coke is generated in the above structure, and the adsorption capacity is 10 m 2 / m 3 N in terms of specific surface area. . For this reason, it is not possible to achieve a concentration lower than the above-mentioned regulation value only by blowing the powder of waste activated coke into the exhaust passage 13 on the upstream side of the bag filter 14 through the adsorbent blowing passage 23,
It can cover about 1/5 to 1/2 of the required blowing amount,
DXN <0.0 when the removal capacity in the adsorption tower 15 is added to this.
It can be highly removed to values of 01 ng-TEQ / m 3 N. Further, the dust ash of the bag filter 14 can be reused as an auxiliary fuel if melted.
【００１９】[0019]
【発明の効果】以上述べたように本発明によれば、排ガ
スの気流中に散布吸着剤を吹き込むことにより、バグフ
ィルタに導く排ガスを低温域にまで減温せずとも、排ガ
ス中の有害物質をバグフィルタにおいて分離除去するこ
とができ、このバグフィルタにおける除去効果によっ
て、吸着塔における吸着負荷を減じ、有害物質の吸着除
去を高度に行うことができ、吸着剤の使用量の低減を図
ることができる。As described above, according to the present invention, by blowing a spray adsorbent into the air stream of exhaust gas, it is possible to remove harmful substances in the exhaust gas without reducing the temperature of the exhaust gas introduced to the bag filter to a low temperature range. Can be separated and removed by a bag filter, and by the removal effect of this bag filter, the adsorption load in the adsorption tower can be reduced and the harmful substances can be adsorbed and removed to a high degree, and the amount of adsorbent used can be reduced. You can
【００２０】廃活性コークスの粉体を散布吸着剤として
使用することにより、従来においては廃棄していた廃活
性コークスを吸着剤として再利用することができ、この
廃活性コークスによる吸着除去効果により吸着塔におけ
る活性コークスの使用量を減じてランニングコストを低
下させることができる。By using the powder of waste activated coke as a spraying adsorbent, it is possible to reuse the waste activated coke which has been conventionally discarded as an adsorbent. Running costs can be reduced by reducing the amount of active coke used in the tower.
【図１】本発明の一実施の形態における排ガス処理系を
示す模式図である。FIG. 1 is a schematic diagram showing an exhaust gas treatment system according to an embodiment of the present invention.
【図２】従来の排ガス処理系を示す模式図である。FIG. 2 is a schematic diagram showing a conventional exhaust gas treatment system.
１４ バグフィルタ １５ 吸着塔 １７ 再生塔 ２０ 振動篩装置 ２１ 吸着剤返送路 ２３ 吸着剤吹込路 14 Bag filter 15 Adsorption tower 17 Regeneration tower 20 Vibrating screen device 21 Adsorbent return path 23 Adsorbent injection path
───────────────────────────────────────────────────── フロントページの続き (72)発明者 芝軒 悟 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 田島 博 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 清田 哲夫 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Satoru Shibaken 1-47 Shishitsu Higashi, Naniwa-ku, Osaka-shi, Osaka Kubota Co., Ltd. (72) Hiroshi Tajima Shiritsu-higashi, Naniwa-ku, Osaka-shi, Osaka 1-247 Kubota Co., Ltd. (72) Inventor Tetsuo Kiyoda 1-247 Shikitsu Higashi, Naniwa-ku, Osaka City, Osaka Prefecture Kubota Co., Ltd.
Claims (2)
て、排ガスの気流中に粉体の散布吸着剤を吹き込み、散
布吸着剤により排ガス中の有害物質を吸着し、バグフィ
ルタにおいて排ガスから塵埃および散布吸着剤を分離除
去し、バグフィルタを出た排ガスを吸着塔に導き、吸着
塔において排ガス中に残留する有害物質を吸着剤で吸着
除去することを特徴とする吸着剤を利用した排ガス処理
方法。1. Prior to introducing the exhaust gas to the bag filter, a powder-dispersed adsorbent is blown into the exhaust gas stream to adsorb the harmful substances in the exhaust gas by the adsorbed adsorbent, and dust and scatter from the exhaust gas in the bag filter. An exhaust gas treatment method using an adsorbent, characterized in that the adsorbent is separated and removed, the exhaust gas from the bag filter is guided to an adsorption tower, and a harmful substance remaining in the exhaust gas in the adsorption tower is adsorbed and removed by the adsorbent.
着塔から排出する活性コークスを再生塔において再生
し、再生した活性コークスを篩装置を経て吸着塔に返送
することにより吸着剤を循環使用し、篩装置において活
性コークスから分離した廃活性コークスの粉体を散布吸
着剤として使用することを特徴とする請求項１記載の吸
着剤を利用した排ガス処理方法。2. An active coke is used as an adsorbent, the active coke discharged from the adsorption tower is regenerated in a regeneration tower, and the regenerated active coke is returned to the adsorption tower through a sieving apparatus so that the adsorbent is circulated and used. The exhaust gas treatment method using an adsorbent according to claim 1, wherein a powder of waste activated coke separated from the activated coke in the sieving device is used as a spray adsorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7184558A JPH0929046A (en) | 1995-07-21 | 1995-07-21 | Exhaust gas treatment using adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7184558A JPH0929046A (en) | 1995-07-21 | 1995-07-21 | Exhaust gas treatment using adsorbent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0929046A true JPH0929046A (en) | 1997-02-04 |
Family
ID=16155313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7184558A Pending JPH0929046A (en) | 1995-07-21 | 1995-07-21 | Exhaust gas treatment using adsorbent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0929046A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157373A (en) * | 1997-08-20 | 1999-03-02 | Daido Steel Co Ltd | Operation of electric melting furnace |
| 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 |
| JP2003286020A (en) * | 2002-03-27 | 2003-10-07 | Electric Power Dev Co Ltd | Highly activated active coke powder and manufacturing method thereof |
| KR100458133B1 (en) * | 1999-12-21 | 2004-11-26 | 주식회사 포스코 | A method for preparing absorbents for removing dioxins using powdered cakes and absorbents prepared from it |
| WO2005030641A1 (en) * | 2003-09-26 | 2005-04-07 | Electric Power Development Co., Ltd. | Highly activated coke powder and process for producing the same |
| JP2006075670A (en) * | 2004-09-07 | 2006-03-23 | Electric Power Dev Co Ltd | Dry desulfurizing plant, method for removing mercury therefrom, and regeneration tower |
| JP2013173106A (en) * | 2012-02-27 | 2013-09-05 | Taiheiyo Cement Corp | Method and device for recovering mercury in exhaust gas |
| CN109603424A (en) * | 2019-02-01 | 2019-04-12 | 上海汉磊环保科技有限公司 | A kind of renewable method and device thereof dusted except VOCs |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0731847A (en) * | 1993-07-20 | 1995-02-03 | Kobe Steel Ltd | Removal of harmful substance from waste gas |
-
1995
- 1995-07-21 JP JP7184558A patent/JPH0929046A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0731847A (en) * | 1993-07-20 | 1995-02-03 | Kobe Steel Ltd | Removal of harmful substance from waste gas |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157373A (en) * | 1997-08-20 | 1999-03-02 | Daido Steel Co Ltd | Operation of electric melting furnace |
| US6279491B1 (en) | 1999-10-05 | 2001-08-28 | Ngk Insulators, Ltd. | Method of treating exhaust gas |
| KR100458133B1 (en) * | 1999-12-21 | 2004-11-26 | 주식회사 포스코 | A method for preparing absorbents for removing dioxins using powdered cakes and absorbents prepared from it |
| US6511527B2 (en) | 2001-02-06 | 2003-01-28 | Ngk Insulators, Ltd. | Method of treating exhaust gas |
| JP2003286020A (en) * | 2002-03-27 | 2003-10-07 | Electric Power Dev Co Ltd | Highly activated active coke powder and manufacturing method thereof |
| WO2005030641A1 (en) * | 2003-09-26 | 2005-04-07 | Electric Power Development Co., Ltd. | Highly activated coke powder and process for producing the same |
| JP2006075670A (en) * | 2004-09-07 | 2006-03-23 | Electric Power Dev Co Ltd | Dry desulfurizing plant, method for removing mercury therefrom, and regeneration tower |
| JP2013173106A (en) * | 2012-02-27 | 2013-09-05 | Taiheiyo Cement Corp | Method and device for recovering mercury in exhaust gas |
| CN109603424A (en) * | 2019-02-01 | 2019-04-12 | 上海汉磊环保科技有限公司 | A kind of renewable method and device thereof dusted except VOCs |
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