JPS63197517A - Deodorizing system - Google Patents

Deodorizing system

Info

Publication number
JPS63197517A
JPS63197517A JP62030731A JP3073187A JPS63197517A JP S63197517 A JPS63197517 A JP S63197517A JP 62030731 A JP62030731 A JP 62030731A JP 3073187 A JP3073187 A JP 3073187A JP S63197517 A JPS63197517 A JP S63197517A
Authority
JP
Japan
Prior art keywords
layer
peat
gas
deodorizing
adsorbent
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
Application number
JP62030731A
Other languages
Japanese (ja)
Inventor
Hiroshi Kubota
宏 久保田
Junji Hagiwara
萩原 純二
Masanori Kitsugi
来次 正憲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kurita Water Industries Ltd
Original Assignee
Kurita Water Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kurita Water Industries Ltd filed Critical Kurita Water Industries Ltd
Priority to JP62030731A priority Critical patent/JPS63197517A/en
Publication of JPS63197517A publication Critical patent/JPS63197517A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Treating Waste Gases (AREA)

Abstract

PURPOSE:To regenerate easily an adsorbent by forming a first layer filled with peat fibers and a second layer constituting of a mixture of gas adsorbent and peat fibers over said layer. CONSTITUTION:Odor is guided from a gas guide tube 3 into a deodorizing column 1, and odorous components easy to decompose with microbes such as hydrogen sulfide are decomposed in a first layer 2-1. Odorous component hard to decompose such as methyl mercaptan and the like are adsorbed to a gas adsorbent in a second layer 2-2 filled with the mixture of the gas adsorbent such as active carbon or the like and peat fibers, and after that, gradually decomposed with microbes. Decodorized gas is flowed out of a tube 4.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、脱臭装置に関する。特へし尿処理場、下水処
理場、その他各種工場等から発生する悪臭を生物学的に
脱臭する脱臭装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a deodorizing device. In particular, it relates to a deodorizing device that biologically deodorizes bad odors generated from human waste treatment plants, sewage treatment plants, and other various factories.

〔従来の技術〕[Conventional technology]

アンモニア、硫化水素およびメチルメルカプタン等の悪
臭を脱臭材と接触させ、脱臭材表面に生息する微生物に
よって、悪臭成分を酸化あるいは資化する脱臭方法は公
知である。
A deodorizing method is known in which malodor such as ammonia, hydrogen sulfide, methyl mercaptan, etc. is brought into contact with a deodorizing material, and the malodorous components are oxidized or assimilated by microorganisms living on the surface of the deodorizing material.

脱臭材としては、土壌、コンポスト化汚泥のほかにピー
ト(泥炭)が使われているが、通気性の点でピートが優
れていると言われている。また、臭気の物理的なガス吸
着剤としては、活性炭、ゼオライトなども使われている
In addition to soil and composted sludge, peat is also used as a deodorizing material, and peat is said to be superior in terms of breathability. Activated carbon and zeolite are also used as physical gas adsorbents for odors.

第2因は、従来の脱臭装置の系統図である。The second factor is the system diagram of the conventional deodorizing device.

塔であシ、直列に連絡されている。生物脱臭塔11には
、ピート繊維が充填されピート層22が形成され、吸着
塔7には活性炭などのガス吸着剤層8が形成されている
The towers are connected in series. The biological deodorizing tower 11 is filled with peat fibers to form a peat layer 22, and the adsorption tower 7 is formed with a gas adsorbent layer 8 such as activated carbon.

゛臭気は、ガス導入管33から生物脱臭塔11に入り、
ピートIF!122で微生物による易分解性の臭気成分
は分解され、管9から吸着塔7に入って微生物では難分
解性の臭気成分が吸着剤層8で吸着され、管lOから脱
臭処理されたガスとなって流出する。
``The odor enters the biological deodorization tower 11 from the gas introduction pipe 33,
Pete IF! In step 122, the odor components that are easily decomposed by microorganisms are decomposed, enter the adsorption tower 7 through the pipe 9, the odor components that are difficult to decompose by microorganisms are adsorbed by the adsorbent layer 8, and the gas is deodorized from the pipe lO. It flows out.

ピート層22の含水率は、微生物の活性を維持するため
、60〜70%に維持する。そのためときどき管55か
ら水を供給して散水管66から散水し、水分の補給を行
うようになっている。
The moisture content of the peat layer 22 is maintained at 60 to 70% in order to maintain the activity of microorganisms. Therefore, water is sometimes supplied from the pipe 55 and sprinkled from the sprinkler pipe 66 to replenish moisture.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかしながら、このような従来の脱臭装置においては、
吸着塔が短期間で飽和してしまい、頻繁に再生しなけれ
ばならなかった。また長期間連続して吸着処理できるよ
うKするには、吸着塔を大きくしなければならず、設備
費が嵩むという欠点があった。
However, in such conventional deodorizing equipment,
The adsorption tower became saturated in a short period of time and had to be regenerated frequently. Furthermore, in order to carry out continuous adsorption treatment over a long period of time, the adsorption tower must be made larger, which has the disadvantage of increasing equipment costs.

この発明は、上記問題点を解決するためのもので、吸着
剤を容易に再生することのできる脱臭装置を提供するこ
とを目的としている。
This invention is intended to solve the above-mentioned problems, and aims to provide a deodorizing device that can easily regenerate adsorbents.

〔問題点を解決するための手段〕 本出願人は、上記問題点を解決するために先に、ガス吸
着剤とピート繊維とを混合して脱臭材充填層を形成する
ことを提案した。
[Means for Solving the Problems] In order to solve the above problems, the applicant first proposed that a gas adsorbent and peat fibers be mixed to form a deodorizing material packed layer.

本発明は、その発明の改良発明であって、槽内の脱臭材
充填層に通気して悪臭を除去する脱臭装置において、脱
臭材充填層は、ピート繊維を充填した第1の層と、該層
の上部に形成されたガス吸着剤とピート繊維とを混合し
た第2の層とを具備することを特徴とする脱臭装置であ
る。
The present invention is an improved invention of that invention, and includes a deodorizing device that removes bad odors by ventilating a deodorizing material packed layer in a tank. This deodorizing device is characterized by comprising a second layer in which a gas adsorbent and peat fibers are mixed, which is formed on the top of the layer.

本発明は、悪臭成分のうち、硫化水素は微生物によって
容易に酸化されるため、第りの層に高価なガス吸着剤を
混合する必要がないという知見に基いてなされたもので
ある。
The present invention was made based on the knowledge that among malodorous components, hydrogen sulfide is easily oxidized by microorganisms, so there is no need to mix an expensive gas adsorbent into the first layer.

〔作  用〕[For production]

一本発明の脱臭装置においては、ピート繊維を充填した
第1の層と、その上に形成されたガス吸着剤とピートと
を混合して充填した第2の層とからなる脱臭材充填層に
下部から臭気を通気して脱臭を行う。臭気が脱臭材充填
層に導入されると、まず、第1の層においてピート繊維
表面に生息する微生物によシ、易分解性の臭気成分、例
えば硫化水素は分解され、難分解性の臭気成分、例えば
メチルメルカプタン、硫化メチルは、あまり分解されず
第2の層に流入する。第2の層において、難分解性の臭
気成分は、ガス吸着剤に吸着され、その後、徐々に微生
物によって分解される。
In the deodorizing device of the present invention, the deodorizing material packed layer consists of a first layer filled with peat fibers and a second layer filled with a mixture of gas adsorbent and peat formed thereon. Deodorize by venting odors from the bottom. When odors are introduced into the deodorizing material packed layer, easily decomposable odor components such as hydrogen sulfide are decomposed by microorganisms living on the peat fiber surface in the first layer, and persistent odor components are decomposed. , such as methyl mercaptan and methyl sulfide, are not significantly decomposed and flow into the second layer. In the second layer, persistent odor components are adsorbed by the gas adsorbent and then gradually decomposed by microorganisms.

したがって、ガス吸着剤は生物学的に再生される。The gas adsorbent is thus biologically regenerated.

〔実施例〕〔Example〕

以下に図面を参照して本発明の詳細な説明する。第1図
は、実施例の系統図である。第1図において、lは生物
脱臭塔で、塔内圧はピート繊維を充填した第1のWI2
の!、椰子殻活性炭とピート繊維とt−1対5の重量比
で混合して充填した第2の層2の2で構成された脱臭材
充填層2が形成されている。
The present invention will be described in detail below with reference to the drawings. FIG. 1 is a system diagram of the embodiment. In Figure 1, l is a biological deodorizing tower, and the internal pressure of the tower is the first WI2 filled with peat fibers.
of! A deodorizing material packed layer 2 is formed of a second layer 2 filled with a mixture of coconut shell activated carbon and peat fiber at a weight ratio of t-1 to 5.

臭気は、ガス導入管3から脱臭塔IK入シ、第1の層で
微生物による易分解性の臭気成分は分解され、難分解性
の臭気成分は、第2の層に混入されている活性炭に吸着
され、その後、徐々に微生物によって分解される。脱臭
処理されたガスは管4から流出する。
The odor enters the deodorizing tower IK from the gas inlet pipe 3. Easily decomposed odor components are decomposed by microorganisms in the first layer, and hard to decompose odor components are absorbed by activated carbon mixed in the second layer. It is adsorbed and then gradually decomposed by microorganisms. The deodorized gas flows out from the pipe 4.

第五の層と第2の層との充填高さの比はl:l〜4:l
程度とし、処理する臭気の組成によって適宜決定する。
The filling height ratio of the fifth layer and the second layer is l:l~4:l
It is determined as appropriate depending on the composition of the odor to be treated.

第1の層と第2の層の合計の充填高さは1〜1.5麓程
度でよい。
The total filling height of the first layer and the second layer may be about 1 to 1.5 feet.

第2の層におけるガス吸着剤とピート繊維との混合比は
1/2〜l/15以下で、好ましくは1/4〜1/l 
Oである。ガス吸着剤としては、活性炭、ゼオライト、
合成イオン交換樹脂、合成吸着剤、などが挙げられるが
、これに限定されない。
The mixing ratio of the gas adsorbent and peat fiber in the second layer is 1/2 to 1/15 or less, preferably 1/4 to 1/1.
It is O. As gas adsorbents, activated carbon, zeolite,
Examples include, but are not limited to, synthetic ion exchange resins, synthetic adsorbents, and the like.

、ピート繊維は、泥炭地から採取したピート全冬期屋外
に放置して凍結乾燥したものを目開き811I+の篩で
ふるって短いものを除去したものが好ましい。脱臭材充
填層2に微生物を植付けるために、臭気の通気に先立っ
て活性汚泥の希釈液、活性汚泥処理水または河川水を管
5から供給し、散水管6から散布する。
The peat fibers are preferably peat fibers collected from peatland, left outdoors all winter, freeze-dried, and then sieved through a sieve with a mesh size of 811I+ to remove short fibers. In order to inoculate the deodorizing material packed bed 2 with microorganisms, a diluted solution of activated sludge, activated sludge treated water or river water is supplied from the pipe 5 and sprayed from the sprinkler pipe 6 prior to aeration of odors.

また、微生物の活性を維持するため、散水管6から散水
し、脱臭材充填層2の含水率t−50〜80俤好ましく
は60〜70%に維持する。
In addition, in order to maintain the activity of microorganisms, water is sprinkled from the water sprinkler pipe 6 to maintain the moisture content of the deodorizing material packed layer 2 at t-50 to 80%, preferably 60 to 70%.

以下、実験例について説明する。An experimental example will be explained below.

実  験  例 し尿処理場で発生する臭気の脱臭を目的とし、第1図に
示す本発明の装置を用いて実験を行った。内径1OcI
nのカラムに脱臭材を充填し、脱臭材充填層を形成した
。第1の層はピート繊維f l Illの高さに充填し
、その上の第2の層は伴子殻活性炭tピート繊維を重量
比でl対5に混合したものtO−5mの高さに充填した
ものである。通気に先立って硝化細菌を含む活性汚泥’
2io倍に希釈して散水管6から散布し、微生物を植種
しておいた。
EXPERIMENTAL EXAMPLE An experiment was conducted using the apparatus of the present invention shown in FIG. 1 for the purpose of deodorizing odors generated in human waste treatment plants. Inner diameter 1OcI
A deodorizing material was packed into the column No. n to form a deodorizing material packed layer. The first layer is packed with peat fibers to a height of f l Ill, and the second layer above it is filled with peat fibers mixed with peat fibers in a weight ratio of 1 to 5 to a height of tO-5m. This is what I did. Activated sludge containing nitrifying bacteria prior to aeration'
The solution was diluted 2io times and sprayed from the water sprinkler pipe 6 to inoculate microorganisms.

この装置に下表に示す臭気’ksV(空間速度)70h
r’で通気したところ、6ケ月継続して良好な結果を得
た。
This equipment produces the odor shown in the table below at a space velocity of 70 h.
When aerated with r', good results were obtained for 6 months.

(単位ニー) 〔効  果〕 本発明においては、易分解性の臭気成分は、第1の層内
に生息する微生物によシ分解され、難分解性の臭気成分
は第2の層内に混合したガス吸着剤に吸着される。第2
の層にはガス吸着剤とピート繊維とを混合しているので
、吸着剤に吸着された゛難分解性の臭気成分は。
(Unit knee) [Effect] In the present invention, easily degradable odor components are decomposed by microorganisms living in the first layer, and persistent odor components are mixed in the second layer. It is adsorbed by the gas adsorbent. Second
Since the layer contains a mixture of gas adsorbent and peat fiber, the ``difficult to decompose'' odor components adsorbed by the adsorbent are eliminated.

微生物によって徐々に分解されるとともに、吸1着剤は
生物学的に再生される。したがって、臭気成分を効率よ
く捕捉し、分解することができ、装置の小型化がはかれ
る。
While being gradually decomposed by microorganisms, the adsorbent is biologically regenerated. Therefore, odor components can be efficiently captured and decomposed, and the device can be made smaller.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明の脱臭装置の一実施例を示す系統図で
あり、第2図は、従来の脱臭装置を示す系統図である。
FIG. 1 is a system diagram showing an embodiment of the deodorizing device of the present invention, and FIG. 2 is a system diagram showing a conventional deodorizing device.

Claims (3)

【特許請求の範囲】[Claims] (1)槽内の脱臭材充填層に通気して悪臭を除去する脱
臭装置において、脱臭材充填層は、ピート繊維を充填し
た第1の層と、該層の上部に形成されたガス吸着剤とピ
ート繊維とを混合して充填した第2の層とを具備するこ
とを特徴とする脱臭装置。
(1) In a deodorizing device that removes bad odors by ventilating a layer filled with deodorizing material in a tank, the layer filled with deodorizing material consists of a first layer filled with peat fibers and a gas adsorbent formed on the top of the layer. and a second layer filled with a mixture of peat fiber and peat fiber.
(2)第2の層は、ガス吸着剤とピート繊維との混合比
が1/2〜1/15であることを特徴とする特許請求の
範囲第1項記載の脱臭装置。
(2) The deodorizing device according to claim 1, wherein the second layer has a mixing ratio of gas adsorbent and peat fiber of 1/2 to 1/15.
(3)ガス吸着剤は、活性炭であることを特徴とする特
許請求の範囲第1項または第2項記載の脱臭装置。
(3) The deodorizing device according to claim 1 or 2, wherein the gas adsorbent is activated carbon.
JP62030731A 1987-02-13 1987-02-13 Deodorizing system Pending JPS63197517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62030731A JPS63197517A (en) 1987-02-13 1987-02-13 Deodorizing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62030731A JPS63197517A (en) 1987-02-13 1987-02-13 Deodorizing system

Publications (1)

Publication Number Publication Date
JPS63197517A true JPS63197517A (en) 1988-08-16

Family

ID=12311812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62030731A Pending JPS63197517A (en) 1987-02-13 1987-02-13 Deodorizing system

Country Status (1)

Country Link
JP (1) JPS63197517A (en)

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