JP2001321635A - Method for treating exhaust gas containing organic malodorous component - Google Patents
Method for treating exhaust gas containing organic malodorous componentInfo
- Publication number
- JP2001321635A JP2001321635A JP2000147484A JP2000147484A JP2001321635A JP 2001321635 A JP2001321635 A JP 2001321635A JP 2000147484 A JP2000147484 A JP 2000147484A JP 2000147484 A JP2000147484 A JP 2000147484A JP 2001321635 A JP2001321635 A JP 2001321635A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- circulating water
- malodorous component
- gas containing
- organic malodorous
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000004332 deodorization Methods 0.000 claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 15
- 244000005700 microbiome Species 0.000 claims description 14
- 230000000813 microbial effect Effects 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims 1
- 238000005273 aeration Methods 0.000 abstract description 9
- 230000003247 decreasing effect Effects 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000001877 deodorizing effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treating Waste Gases (AREA)
- Activated Sludge Processes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば、鋳造工
場、印刷工場、塗装工場、養鶏場、肥料工場、ゴミ処理
場等から排出される有機性悪臭成分（例えばアルコール
類、エーテル類、アルデヒド類、ケトン類、エステル
類、アミン類など）を含有する排ガスを処理する方法に
関する。The present invention relates to an organic odor component (eg, alcohols, ethers, aldehydes) discharged from a foundry, a printing plant, a painting plant, a poultry farm, a fertilizer plant, a garbage disposal plant, and the like. , Ketones, esters, amines, etc.).
【０００２】[0002]
【従来の技術】従来から有機性悪臭成分を含有する排ガ
スは微生物処理によって脱臭処理されており、例えば曝
気方式、充填塔方式、スクラバー方式等による脱臭処理
方法が知られている。2. Description of the Related Art Exhaust gas containing an organic malodorous component has been conventionally deodorized by microbial treatment. For example, deodorization methods using an aeration method, a packed tower method, a scrubber method and the like are known.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述し
た従来の曝気方式、充填塔方式、スクラバー方式等によ
る排ガス処理では、使用する曝気槽の容量が大きいため
に設置スペースが大きくなり、また大量のブロー水およ
び余剰汚泥が排出されるという問題がある。However, in the above-described conventional exhaust gas treatment using an aeration method, a packed tower method, a scrubber method, etc., the installation space becomes large due to the large capacity of the aeration tank used, and a large amount of blow-off is required. There is a problem that water and excess sludge are discharged.
【０００４】従って、本発明の目的は、前述した従来の
有機性悪臭成分を含有する排ガスの処理方法の問題点を
解消し、従来法に比較して設置スペースを小さくするこ
とができ、循環水のブロー水および余剰汚泥の発生を極
力削減させることができる処理方法を提供することにあ
る。Accordingly, an object of the present invention is to solve the above-mentioned problems of the conventional method for treating an exhaust gas containing an organic malodorous component, to reduce the installation space as compared with the conventional method, and to reduce the circulating water. Another object of the present invention is to provide a treatment method capable of minimizing the generation of blow water and excess sludge.
【０００５】[0005]
【課題を解決するための手段】本発明に従えば、有機性
悪臭成分を含有する排ガスを処理するにあたり、多孔板
を配したモレタナ式の脱臭塔において、有機性悪臭成分
を含む排ガスと活性汚泥を含む循環水を気液接触せしめ
て有機性悪臭成分を循環水中に移動させ、次いで、この
循環水を高負荷微生物処理装置にて微生物処理すること
により有機性悪臭成分を含有する排ガスを処理する方法
が提供される。According to the present invention, in treating an exhaust gas containing an organic malodorous component, the exhaust gas containing the organic malodorous component and the activated sludge are treated in a Moretana-type deodorization tower provided with a perforated plate. The organic malodorous component is moved into the circulating water by bringing the circulating water containing the gas into liquid-liquid contact, and then the circulating water is subjected to microbial treatment with a high-load microbial treatment device to treat the exhaust gas containing the organic malodorous component. A method is provided.
【０００６】[0006]
【発明の実施の形態】本発明に従えば、有機性悪臭成分
を含有する排ガスを処理するにあたり、モレタナ式脱臭
塔と曝気槽として高負荷微生物処理装置を組み合せるこ
とによって、循環水中に移動した有機性悪臭成分の処理
速度を高め、曝気槽容量および設置スペースを小さくす
ることができる。また、循環水のブロー水および余剰汚
泥の発生を削減させることができる。なお、ここでいう
「循環水」とは活性汚泥を含む循環水をいう。According to the present invention, in treating an exhaust gas containing an organic malodorous component, the exhaust gas containing organic malodorous components is moved into circulating water by a combination of a moretana-type deodorizing tower and a high-load microorganism treating device as an aeration tank. The processing speed of the organic malodorous component can be increased, and the capacity of the aeration tank and the installation space can be reduced. In addition, the generation of blow water and excess sludge of circulating water can be reduced. The “circulating water” here refers to circulating water containing activated sludge.
【０００７】モレタナ式脱臭塔は、気液接触用塔内に開
孔率の大きい（例えば開口比が０．２５〜０．５の）多
孔板を１段以上組み込んだ簡単な構造の塔であり、既に
本出願人によって開発され、排ガス処理に使用されてい
る塔である。以下、図１に基いてモレタナ塔の操作領域
について説明する。図１はモレタナ塔を使用して排ガス
と循環水とを気液接触させた場合に於ける、循環水Ｌ
（kg／ｍ2 ・hr）とガス空塔速度Ｕｇ（ｍ／sec)との関
係を概略的に示すものである。図１において、領域Ａは
特公昭５１−３１０３６号公報の近似計算式により求め
たＵｇｍ及びＵｇｃとＬ／Ｇ＝０．５で囲まれた運転操
作領域を示し、領域Ｂ−１、Ｂ−２及びＢ−３は本発明
における循環水流量１０4 〜６×１０4 kg／ｍ2・hr、
６×１０4 超〜１１×１０4 kg／ｍ2 ・hr及び１１×１
０4 超〜１７×１０4 kg／ｍ2 ・hrに対応する運転操作
領域を示す図面である。なお、図１は開口比Ｆｃ＝０．
３２、排ガスの密度ρＧ＝１．０５kg／ｍ3 及び循環水
の密度ρＬ＝１０７０kg／ｍ3 の場合の図面である。The moretana type deodorizing tower is a tower having a simple structure in which one or more perforated plates having a large porosity (for example, having an opening ratio of 0.25 to 0.5) are incorporated in a gas-liquid contacting tower. , A tower already developed by the applicant and used for exhaust gas treatment. Hereinafter, the operation area of the Moretana tower will be described with reference to FIG. FIG. 1 shows circulating water L in the case where exhaust gas and circulating water are brought into gas-liquid contact using a moletana tower.
(Kg / m 2 · hr) and schematically shows the relationship between the gas superficial velocity Ug (m / sec). In FIG. 1, a region A indicates a driving operation region surrounded by Ugm, Ugc and L / G = 0.5 obtained by the approximate calculation formula of Japanese Patent Publication No. 51-31036, and regions B-1 and B-2. And B-3 are circulating water flow rates of 10 4 to 6 × 10 4 kg / m 2 · hr in the present invention,
More than 6 × 10 4 to 11 × 10 4 kg / m 2 · hr and 11 × 1
0 4 illustrates a driving operation area corresponding to the ultrasonic ~17 × 10 4 kg / m 2 · hr. FIG. 1 shows the aperture ratio Fc = 0.
32 is a drawing when the density ρG of the exhaust gas is 1.05 kg / m 3 and the density ρL of the circulating water is 1070 kg / m 3 .
【０００８】循環水は脱臭塔の液分配器から最上段の棚
上に供給され、塔の下方から入ってくる悪臭成分を含む
排ガスと多孔板上で向流接触する。多孔板のそれぞれの
孔では、静水圧による循環水の流下とガス圧によるガス
の上昇とが進行する過程で激しい気液接触が起こり、効
率的に有機物を処理することができる。[0008] The circulating water is supplied from the liquid distributor of the deodorization tower onto the uppermost shelf, and comes into countercurrent contact on the perforated plate with the exhaust gas containing malodorous components coming from below the tower. In each of the holes of the perforated plate, intense gas-liquid contact occurs during the course of the flow of circulating water due to hydrostatic pressure and the rise of gas due to gas pressure, and organic substances can be efficiently treated.
【０００９】本発明の有機性悪臭成分を含有する排ガス
の処理方法について、図２を参照してさらに具体的に説
明する。本発明では、モレタナ式脱臭塔２の下方から入
った排ガス１中の有機性悪臭成分はそれぞれの溶解度に
応じてモレタナ脱臭塔２内の多孔板４上での気液接触に
より、脱臭塔用循環ポンプ３で循環される循環水中に移
動する。有機性悪臭成分が溶解した循環水は、循環ポン
プ８により高負荷微生物処理装置６に送られる。高負荷
微生物処理装置６内では循環水中の有機性悪臭成分が好
気性微生物により速やかに酸化分解され、清浄な循環水
が得られる。The method for treating exhaust gas containing an organic malodorous component of the present invention will be described more specifically with reference to FIG. In the present invention, organic malodorous components in the exhaust gas 1 entering from below the moretana type deodorization tower 2 are circulated for the deodorization tower by gas-liquid contact on the perforated plate 4 in the moretana deodorization tower 2 according to their respective solubilities. It moves into the circulating water circulated by the pump 3. The circulating water in which the organic malodorous component is dissolved is sent to the high-load microorganism processing apparatus 6 by the circulating pump 8. In the high-load microorganism processing apparatus 6, the organic malodorous components in the circulating water are quickly oxidized and decomposed by the aerobic microorganisms to obtain clean circulating water.
【００１０】高負荷微生物処理装置６は、構造的には外
塔および内塔７からなり、塔上部に固気液混合ノズル１
０およびエアノズルが組み込まれたものであり、例えば
中濃度から高濃度の有機性廃水の処理などに使用されて
いる。ここで高負荷とはＢＯＤ容積負荷２０〜５０kg／
ｍ3 ・Ｄをいう。The high-load microorganism treatment apparatus 6 is structurally composed of an outer tower and an inner tower 7, and a solid-gas-liquid mixing nozzle 1 is provided above the tower.
0 and an air nozzle are incorporated therein, and are used, for example, for treating medium to high concentration organic wastewater. Here, the high load means a BOD volume load of 20 to 50 kg /.
m 3 · D.
【００１１】脱臭塔からの循環水は高負荷微生物処理装
置の固気液混合ノズル１０を通じて内塔２に入り、内塔
７の下部から外塔部に移り上昇流となる。同時にエアノ
ズルからは酸素供給が行われ、循環水とともに下降流に
乗り内塔７内に押し込まれる。The circulating water from the deodorization tower enters the inner tower 2 through the solid-gas-liquid mixing nozzle 10 of the high-load microorganism treatment apparatus, moves from the lower part of the inner tower 7 to the outer tower, and forms an upward flow. At the same time, oxygen is supplied from the air nozzle and is pushed into the inner tower 7 in a downward flow together with the circulating water.
【００１２】固気液混合部では、フロックを形成した活
性汚泥を固気液混合ノズル１０によって一度分散状態に
細分化することにより、気液接触効率を高め、活性汚泥
への酸素供給をスムーズにし、循環水中の有機物の高速
分解が可能となる。高負荷微生物処理装置６内で清浄に
された循環水は、脱臭塔２に戻され、再度有機性悪臭成
分の溶解に利用される。In the solid-gas-liquid mixing section, the activated sludge having flocs formed therein is once subdivided into a dispersed state by the solid-gas-liquid mixing nozzle 10, thereby improving the gas-liquid contacting efficiency and smoothing the supply of oxygen to the activated sludge. In addition, high-speed decomposition of organic substances in the circulating water becomes possible. The circulating water cleaned in the high-load microorganism treatment device 6 is returned to the deodorization tower 2 and is used again for dissolving the organic malodorous component.
【００１３】[0013]
【実施例】以下、実施例に従って、本発明を更に詳しく
説明するが、本発明の範囲をこれらの実施例に限定する
ものではないことは言うまでもない。EXAMPLES Hereinafter, the present invention will be described in more detail with reference to Examples, but it goes without saying that the scope of the present invention is not limited to these Examples.
【００１４】例１（実施例） この例では、有機性悪臭成分として、酢酸エチル９３pp
m 、メチルエチルケトン１０７ppm 等を含有する排ガス
を処理対象ガスとした。開口比が０．３の多孔板を３段
内部に配した塔径１００mmφ、高さ２mHのモレタナ式の
脱臭試験装置および容量２０Ｌの高負荷微生物処理試験
装置を用い、通ガス量０．６４ｍ3 ／min 、液ガス比２
０Ｌ／ｍ3 で上記排ガスの脱臭試験を行った。循環水の
pHは７前後に保った。また、高負荷微生物処理試験装置
では固気液混合ノズルによって２．５ｍ3 ／ｍ2 ・sec
の流速で循環水を空気と共にリアクター内塔内に供給し
た。 Example 1 (Example) In this example, 93 ppm of ethyl acetate was used as an organic malodorous component.
An exhaust gas containing m, 107 ppm of methyl ethyl ketone, etc. was used as a gas to be treated. The gas flow rate was 0.64 m 3 , using a Moretana-type deodorizing test device with a tower diameter of 100 mmφ and a height of 2 mH in which a perforated plate having an opening ratio of 0.3 was disposed inside three stages and a high-load microorganism treatment test device with a capacity of 20 L. / Min, liquid-gas ratio 2
The above exhaust gas was subjected to a deodorization test at 0 L / m 3 . Circulating water
The pH was kept around 7. In the high-load microbial treatment test apparatus, a solid-gas-liquid mixing nozzle is used to provide 2.5 m 3 / m 2 · sec.
Circulating water was supplied together with air into the reactor inner tower at a flow rate of?
【００１５】この脱臭試験により得られた処理ガス中の
有機性悪臭成分は、酢酸エチル９ppm 及びメチルエチル
ケトン１５ppm で、それぞれの除去率は９０％及び８６
％であった。１週間の連続試験期間中、安定した処理結
果が得られた。また、高負荷微生物処理装置を導入する
ことにより、曝気槽容量は従来法の約１／１０に小さく
することができた。The organic malodorous components in the treated gas obtained by this deodorization test were 9 ppm of ethyl acetate and 15 ppm of methyl ethyl ketone, and their removal rates were 90% and 86%, respectively.
%Met. During the one week continuous test period, stable treatment results were obtained. Also, by introducing a high-load microorganism treatment apparatus, the aeration tank capacity could be reduced to about 1/10 of the conventional method.
【００１６】例２（実施例） この例では、有機性悪臭成分として、アンモニア５ppm
、酢酸５ppm 、エタノール４０ppm 等を含有する排ガ
スを処理対象ガスとした。開口比が０．３５の多孔板を
２段内部に配した塔径１００mmφ、高さ２mHのモレタナ
式の脱臭試験装置および容量２０Ｌの高負荷微生物処理
試験装置を用い、通ガス量０．７０ｍ3 ／min で上記排
ガスの脱臭試験を行った。循環水のpHは７前後に保っ
た。また、高負荷微生物処理試験装置では固気液混合ノ
ズルによって２．５ｍ3 ／ｍ2 ・sec の流速で循環水を
空気と共にリアクター内塔内に供給した。 Example 2 (Example) In this example, 5 ppm of ammonia was used as an organic malodorous component.
An exhaust gas containing 5 ppm of acetic acid, 5 ppm of acetic acid, 40 ppm of ethanol and the like was used as a gas to be treated. Using a Moretana-type deodorizing test device with a tower diameter of 100 mmφ and a height of 2 mH in which a perforated plate having an opening ratio of 0.35 is arranged inside two stages and a high-load microorganism treatment test device with a capacity of 20 L, a gas flow rate of 0.70 m 3 The exhaust gas was subjected to a deodorization test at a rate of / min. The pH of the circulating water was kept around 7. In the high-load microbial treatment test apparatus, circulating water was supplied into the reactor tower together with air at a flow rate of 2.5 m 3 / m 2 · sec by the solid-gas-liquid mixing nozzle.
【００１７】この脱臭試験により得られた処理ガス中の
有機性悪臭成分は、アンモニア０．１ppm 以下、酢酸１
ppm 以下、エタノール１ppm 以下で、それぞれの除去率
は９８％以上、８０％以上、９７％以上であった。１週
間の連続試験期間中、安定した処理結果が得られた。ま
た、高負荷微生物処理装置を導入することにより、曝気
槽容量は従来法の約１／１０に小さくすることができ
た。The organic malodorous component in the processing gas obtained by this deodorization test was 0.1 ppm or less of ammonia and 1% of acetic acid.
The removal rate was 98% or more, 80% or more, and 97% or more when the content was less than 1 ppm and the content of ethanol was 1 ppm or less. During the one week continuous test period, stable treatment results were obtained. Also, by introducing a high-load microorganism treatment apparatus, the aeration tank capacity could be reduced to about 1/10 of the conventional method.
【００１８】[0018]
【発明の効果】以上説明したように、本発明によれば、
排ガス中の有機性悪臭成分の処理において、従来の方法
と比較して曝気槽容量を約１／１０に小さくすることが
でき、しかも循環水のブロー水および余剰汚泥の発生を
削減させることができる。As described above, according to the present invention,
In the treatment of organic malodorous components in exhaust gas, the volume of the aeration tank can be reduced to about 1/10 compared with the conventional method, and the generation of blow water and excess sludge of circulating water can be reduced. .
【図１】モレタナ式脱臭塔における好ましい運転操作領
域の循環水流量Ｌと排ガスのガス空塔速度Ｕｇとの関係
を示す概略図である。FIG. 1 is a schematic diagram showing a relationship between a circulating water flow rate L and a gas superficial gas velocity Ug in a preferable operation region of a moretana type deodorization tower.
【図２】本発明による排ガス処理システムの一例を示す
図面である。FIG. 2 is a drawing showing an example of an exhaust gas treatment system according to the present invention.
１…排ガス ２…モレタナ式脱臭塔 ３…脱臭塔用循環ポンプ ４…モレタナ板 ５…エリミネーター ６…高負荷微生物処理装置 ７…内塔 ８…高負荷微生物処理装置用循環ポンプ ９…ブロワ １０…固気液混合ノズル １１…処理ガス DESCRIPTION OF SYMBOLS 1 ... Exhaust gas 2 ... Moretana type deodorization tower 3 ... Circulation pump for deodorization towers 4 ... Moretana plate 5 ... Eliminator 6 ... High load microorganism treatment equipment 7 ... Inner tower 8 ... High load microorganism treatment equipment 9 ... Blower 10 ... Solid Gas-liquid mixing nozzle 11: Processing gas
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4D002 AA13 AA40 AB02 BA02 BA17 CA02 DA35 DA59 EA13 EA14 GA03 GB09 HA01 4D028 AA03 AB01 BC24 BC26 BD06 BD10 BD11 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4D002 AA13 AA40 AB02 BA02 BA17 CA02 DA35 DA59 EA13 EA14 GA03 GB09 HA01 4D028 AA03 AB01 BC24 BC26 BD06 BD10 BD11
Claims (1)
するにあたり、多孔板を配したモレタナ式の脱臭塔にお
いて、有機性悪臭成分を含む排ガスと活性汚泥を含む循
環水を気液接触せしめて有機性悪臭成分を循環水中に移
動させ、次いで、この循環水を高負荷微生物処理装置に
て微生物処理することにより有機性悪臭成分を含有する
排ガスを処理する方法。In treating a waste gas containing an organic malodorous component, an exhaust gas containing an organic malodorous component and a circulating water containing activated sludge are brought into gas-liquid contact in a Moretana type deodorization tower provided with a perforated plate. A method of treating an exhaust gas containing an organic malodorous component by moving an organic malodorous component into circulating water and then subjecting the circulating water to microbial treatment with a high-load microorganism treating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000147484A JP2001321635A (en) | 2000-05-15 | 2000-05-15 | Method for treating exhaust gas containing organic malodorous component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000147484A JP2001321635A (en) | 2000-05-15 | 2000-05-15 | Method for treating exhaust gas containing organic malodorous component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001321635A true JP2001321635A (en) | 2001-11-20 |
Family
ID=18653668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000147484A Pending JP2001321635A (en) | 2000-05-15 | 2000-05-15 | Method for treating exhaust gas containing organic malodorous component |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001321635A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202191A (en) * | 2002-01-09 | 2003-07-18 | Tadahiro Omi | Air cooling method |
| JP2008126129A (en) * | 2006-11-20 | 2008-06-05 | Seiryu Maintenance:Kk | Biological deodorization system and biological deodorization apparatus for it |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52155175A (en) * | 1976-06-10 | 1977-12-23 | Fuji Kasui Kogyo Kk | Treatment of exhaust gas containing organic matter |
| JPH0531491A (en) * | 1991-07-26 | 1993-02-09 | Sumitomo Jukikai Envirotec Kk | Defoaming, cooling and deodoriazing method |
-
2000
- 2000-05-15 JP JP2000147484A patent/JP2001321635A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52155175A (en) * | 1976-06-10 | 1977-12-23 | Fuji Kasui Kogyo Kk | Treatment of exhaust gas containing organic matter |
| JPH0531491A (en) * | 1991-07-26 | 1993-02-09 | Sumitomo Jukikai Envirotec Kk | Defoaming, cooling and deodoriazing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202191A (en) * | 2002-01-09 | 2003-07-18 | Tadahiro Omi | Air cooling method |
| JP2008126129A (en) * | 2006-11-20 | 2008-06-05 | Seiryu Maintenance:Kk | Biological deodorization system and biological deodorization apparatus for it |
| JP4604014B2 (en) * | 2006-11-20 | 2010-12-22 | 株式会社清流メンテナンス | Biological deodorization system and biological deodorization apparatus used in this system |
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