JPH0278491A - Waste water treating apparatus - Google Patents

Waste water treating apparatus

Info

Publication number
JPH0278491A
JPH0278491A JP63228540A JP22854088A JPH0278491A JP H0278491 A JPH0278491 A JP H0278491A JP 63228540 A JP63228540 A JP 63228540A JP 22854088 A JP22854088 A JP 22854088A JP H0278491 A JPH0278491 A JP H0278491A
Authority
JP
Japan
Prior art keywords
tank
air
biofilm
sewage
pipe
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
JP63228540A
Other languages
Japanese (ja)
Inventor
Masahiko Tsutsumi
正彦 堤
Kyozo Kawachi
河内 恭三
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP63228540A priority Critical patent/JPH0278491A/en
Publication of JPH0278491A publication Critical patent/JPH0278491A/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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Biological Treatment Of Waste Water (AREA)

Abstract

PURPOSE:To perform stable treatment of waste water by installing an apparatus for supplying biomembrane which supplies a part of waste water from a sewage tank, carrier from a carrier source, and air from an air source, thus supplying uniform biomembrane to a waste water treating tank. CONSTITUTION:Waste water is supplied to a biomembrane prepg. tank 25 through a sewage feeding pipes 21, 24 from a bottom of the sewage tank 3. Carrier is also supplied to the tank through a carrier feeding pipe 44 from a carrier storage tank 42, and air is supplied to an air diffusing pipe 32 from the air source 64 through an air pipe 61. The biomembrane prepg. apparatus 25 consists of a bioreaction section 29 and a precipitating section 30, and uniform biomembrane is deposited to the carrier by adjusting the amt. of air fed from an air diffusing pipe 9 to an air-lifting pipe 31 in the bioreaction section 29 and the amt. of carrier 42. On one hand, waste water is fed to a waste water treating tank 7 through a sewage supply pipes 4, 6, and air is fed from the air diffusing pipe 9 to the waste water treating tank 7, and uniform biomembrane is supplied from the biomembrane prepg. tank 25 through a biomembrane supply pipe 35. Thus, stable waste water treat is performed.

Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は下水、産業廃水などを生物学的に処理する廃水
処理装置にかかり、特に廃水処理槽に生物膜を供給する
生物膜供給装置を備えた廃水処理装置に関するものでお
る。
[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention relates to a wastewater treatment device for biologically treating sewage, industrial wastewater, etc., and particularly for supplying biofilm to a wastewater treatment tank. This article relates to a wastewater treatment device equipped with a biofilm supply device.

(従来の技術) 従来の廃水処理装置の一例を第7図に示す。(Conventional technology) An example of a conventional wastewater treatment device is shown in FIG.

第7図において、流入下水1は流入下水管2を介して下
水槽3に流入し、下水槽3は下水供給管4、下水供給ポ
ンプ5および下水供給管6を介して廃水処理、漕7に接
続され、ざらに廃水処理槽7内には生物反応部8、散気
管9、空気管10.エアリフト管11.上蓋12.沈澱
部13.排水管14.汚泥引J友管15および汚泥引扱
弁16が構成され、これによって生物反応部8内の廃水
を生物学的に処理している。
In FIG. 7, inflow sewage 1 flows into a sewage tank 3 via an inflow sewage pipe 2, and the sewage tank 3 is transferred to a wastewater treatment tank 7 via a sewage supply pipe 4, a sewage supply pump 5, and a sewage supply pipe 6. In the wastewater treatment tank 7, there are a biological reaction section 8, an aeration pipe 9, an air pipe 10. Air lift tube 11. Top lid 12. Sedimentation part 13. Drain pipe 14. A sludge-drawing J-tooth pipe 15 and a sludge-handling valve 16 are configured, and thereby the wastewater in the biological reaction section 8 is treated biologically.

(発明が解決しようとする課題) しかしながら上記従来の廃水処理装置では■反応部8内
の浮遊汚泥の優占種が担体非付着性の微生物である場合
、反応部8内の担体に微生物が付着ぜず、水処理が安定
しない、■反応部8内の浮遊汚泥の侵占種が繊毛虫類1
8のような不均一な生物膜形成微生物であった場合、第
8図に示すにうに担体19に付着して不均一な生物膜を
形成し、このため均一な生物膜に比べて流動性が悪化し
、水処理が安定しない、■反応部8内の生物膜が剥離し
た場合、剥離生物膜が流出して処理水の水質を悪化させ
、反応部8内で生物膜を再生させる工程が必要となる、
などの問題がある。
(Problems to be Solved by the Invention) However, in the conventional wastewater treatment equipment described above, ■ If the dominant species of suspended sludge in the reaction section 8 is microorganisms that do not adhere to the carrier, the microorganisms adhere to the carrier in the reaction section 8. The water treatment is not stable. ■ The invasive species in the suspended sludge in the reaction section 8 is ciliates 1.
In the case of a non-uniform biofilm-forming microorganism as shown in Fig. 8, it adheres to the carrier 19 and forms a non-uniform biofilm, as shown in Fig. 8, and therefore has less fluidity than a uniform biofilm. ■If the biofilm inside the reaction section 8 is detached, the detached biofilm will flow out and deteriorate the quality of the treated water, and a step is required to regenerate the biofilm within the reaction section 8. becomes,
There are other problems.

本発明は、廃水処理槽内の生物反応部に常に均一な生物
膜を供給する生物膜供給装置を備えた廃水処理装置を提
供することを目的としている。
An object of the present invention is to provide a wastewater treatment device equipped with a biofilm supply device that always supplies a uniform biofilm to a biological reaction section in a wastewater treatment tank.

(発明の構成) (課題を解決するための手段) 本発明は、下水槽、下水供給管、下水供給ポンプ、沈澱
部および生物反応部を有する廃水処理槽に、生物膜製造
槽を有する生物膜供給装置を付加したものであり、下水
槽は下水供給管を有する下水供給ポンプを介して生物膜
製造槽に接続され、生物膜製造槽の生物反応部は生物膜
供給ポンプを有する生物膜供給管を介して廃水処理槽に
接続され、生物膜製造槽内に砂、活性炭、アンスラサイ
ト、セラミック等の担体を1〜10%充填し、生物反応
部内部の通気線速度が10〜40m/h、生物反応部容
積負荷が1.0〜10.0Ky−TOC/屑/日で下水
を連続的に供給し、浮遊汚泥の優占種を付着性微生物に
し、それらの微生物を担体にイ」管固定し、生成した生
物膜を廃水処理槽に供給する。これによって廃水処理槽
内の生物牧柵が一定になり、廃水処理槽の生物処理が安
定化する。
(Structure of the Invention) (Means for Solving the Problems) The present invention provides a wastewater treatment tank having a sewage tank, a sewage supply pipe, a sewage supply pump, a settling part, and a biological reaction part, and a biofilm production tank having a biofilm production tank. The sewage tank is connected to a biofilm production tank via a sewage supply pump having a sewage supply pipe, and the biological reaction section of the biofilm production tank is connected to a biofilm supply pipe having a biofilm supply pump. The biofilm production tank is connected to the wastewater treatment tank through the tank, and the biofilm production tank is filled with 1 to 10% of carriers such as sand, activated carbon, anthracite, ceramic, etc., and the linear velocity of ventilation inside the biological reaction section is 10 to 40 m/h. Biological reaction section Continuously supplies sewage with a volumetric load of 1.0 to 10.0 Ky-TOC/waste/day, converts the dominant species of suspended sludge into adherent microorganisms, and fixes these microorganisms on carriers in the "I" tube. Then, the generated biofilm is supplied to the wastewater treatment tank. This makes the biological fence in the wastewater treatment tank constant and stabilizes the biological treatment in the wastewater treatment tank.

(実施例) 本発明の一実施例を第1図に示す。(Example) An embodiment of the present invention is shown in FIG.

第1図において、下水槽3内底部に下水供給管4および
下水供給管21を配設し、下水供給管21は下水供給ポ
ンプ23を有する下水供給管24を介して生物膜製造槽
25に接続され、下水供給管4は下水供給ポンプ5を有
する下水供給管6を介して廃水処理槽7に接続される。
In FIG. 1, a sewage supply pipe 4 and a sewage supply pipe 21 are arranged at the inner bottom of the sewage tank 3, and the sewage supply pipe 21 is connected to a biofilm production tank 25 via a sewage supply pipe 24 having a sewage supply pump 23. The sewage supply pipe 4 is connected to a wastewater treatment tank 7 via a sewage supply pipe 6 having a sewage supply pump 5.

生物膜製造槽25は生物反応部29と沈澱部30から成
り、生物反応部29内に円筒状のエアリフト管31と散
気管32を配設し、沈澱部30には生物反応部29と沈
澱部30とを仕切る上蓋33と、越流板34を配設して
いる。
The biofilm production tank 25 consists of a biological reaction section 29 and a sedimentation section 30. A cylindrical air lift tube 31 and an aeration tube 32 are arranged in the biological reaction section 29, and a biological reaction section 29 and a sedimentation section are arranged in the sedimentation section 30. 30 and an overflow plate 34 are provided.

さらに生物膜製造槽25は生物膜供給弁36を有する生
物膜供給管35を介して廃水処理槽7に接続され、越流
部40には排水管41が接続されている。
Further, the biofilm production tank 25 is connected to the wastewater treatment tank 7 via a biofilm supply pipe 35 having a biofilm supply valve 36, and a drain pipe 41 is connected to the overflow section 40.

また担体貯留槽42は担体供給弁43を有する担体供給
管44を介して生物膜製造槽25に接続されている。廃
水処理槽7は生物反応部8と沈澱部11とから成り、生
物反応部8内に円筒状のエアリフト管11と散気管9が
配ニジされ、沈澱部13には上H12と越流板55が配
設され、越流部56に排水管14を接続し、沈澱部13
の下部に汚泥引央弁16を有する汚泥引汰管15が接続
されている。
Further, the carrier storage tank 42 is connected to the biofilm production tank 25 via a carrier supply pipe 44 having a carrier supply valve 43 . The wastewater treatment tank 7 consists of a biological reaction section 8 and a settling section 11. A cylindrical air lift pipe 11 and an aeration pipe 9 are arranged in the biological reaction section 8, and an upper H12 and an overflow plate 55 are arranged in the settling section 13. is arranged, the drain pipe 14 is connected to the overflow part 56, and the settling part 13 is connected to the overflow part 56.
A sludge withdrawal pipe 15 having a sludge withdrawal valve 16 is connected to the lower part of the sludge withdrawal pipe 15 .

散気管32は空気管61、空気弁62、空気管63を介
して、また散気管9は空気管10、空気弁67、空気管
68を介して空気源64に接続されている。
The air diffuser pipe 32 is connected to an air source 64 via an air pipe 61, an air valve 62, and an air pipe 63, and the air diffuser pipe 9 is connected to an air source 64 via an air pipe 10, an air valve 67, and an air pipe 68.

第1図の構成において、エアリフト管31内部の通気線
速度が10〜40m/hになるように流量調整可能な空
気源64を調整し、空気源64がら空気管63、空気弁
62、空気管61、散気管32を介してニアリフ1〜管
31内に空気を供給する。
In the configuration shown in FIG. 1, the air source 64 whose flow rate is adjustable is adjusted so that the linear velocity of ventilation inside the air lift pipe 31 is 10 to 40 m/h, and the air source 64 is connected to the air pipe 63, air valve 62, and 61, air is supplied into the near rift 1 to the pipe 31 via the aeration pipe 32.

また生物反応部29の容積負荷が1.0〜10.0KF
I−TOC/ rri1日になるように下水供給ポンプ
23の流量を調整し、下水槽3内の下水を下水供給ポン
プ23を有する下水供給管24を介して生物膜製造槽2
5に、ざらに担体42を担体供給ポンプ43を有する担
体供給管44を介して生物膜供給槽25に供給する。
In addition, the volume load of the biological reaction section 29 is 1.0 to 10.0 KF.
The flow rate of the sewage supply pump 23 is adjusted so that the I-TOC/rri is 1 day, and the sewage in the sewage tank 3 is passed through the sewage supply pipe 24 having the sewage supply pump 23 to the biofilm production tank 2.
5, the carrier 42 is roughly supplied to the biofilm supply tank 25 via a carrier supply pipe 44 having a carrier supply pump 43.

この条件で馴養すると、生物反応部29内の浮遊汚泥の
微生物優占種がズーグレア、糸状細菌、かびなどの付着
性微生物になる。これらの微生物は付着性が良好でおる
と同時に凝集性沈降性が悪く、いわゆるバルキング原因
微生物と称されており、これらの微生物を担体42に付
着固定させる。
When acclimatized under these conditions, the dominant microbial species in the suspended sludge in the biological reaction section 29 become adherent microorganisms such as zooglaia, filamentous bacteria, and mold. These microorganisms have good adhesion but at the same time poor flocculating and settling properties, and are called so-called bulking-causing microorganisms, and these microorganisms are attached and fixed to the carrier 42.

この条件においては第2図に示すように担体42にズー
グレア70と糸状性微生物71が付着した生物膜、第3
図に示すように担体42にズーグレア70のみが付着し
た生物膜、あるいは第4図に示すように担体42に糸状
性微生物のみが付着した生物膜が形成される。
Under these conditions, as shown in FIG.
As shown in the figure, a biofilm is formed in which only zooglaia 70 is attached to the carrier 42, or a biofilm in which only filamentous microorganisms are attached to the carrier 42 as shown in FIG. 4 is formed.

これらの生物膜の厚さは、50〜200J11nとなり
、生物膜形成を顕微鏡でモニタし、形成された生物膜を
生物膜供給弁36を有する生物膜供給管35を介して廃
水+2!!理装置28に供給する。
The thickness of these biofilms is 50 to 200J11n, and the biofilm formation is monitored with a microscope, and the formed biofilm is passed through the biofilm supply pipe 35 having the biofilm supply valve 36 to waste water +2! ! is supplied to the processing device 28.

生物反応部8内の生物膜容量が生物反応部8容積の1〜
10%になるように生物膜の供給を調整し、これを越え
たときは生物膜供給弁36を閉じて供給を停止する。
The biofilm capacity in the biological reaction section 8 is 1 to 1 of the volume of the biological reaction section 8.
The biofilm supply is adjusted to 10%, and when it exceeds this, the biofilm supply valve 36 is closed to stop the supply.

生物膜を供給した分だけ生物膜″!A造槽25内の担体
但が減るので、担体42を生物膜製造槽25内に供給し
て補給する。
Since the amount of carrier in the biofilm production tank 25 decreases by the amount of biofilm supplied, the carrier 42 is supplied into the biofilm production tank 25 to replenish it.

生物膜製造槽25の上部沈澱部30の上澄液は、越流板
34を越えて排水管41を通して放流される。
The supernatant liquid in the upper settling section 30 of the biofilm production tank 25 is discharged through the drain pipe 41 over the overflow plate 34.

下水槽20内の下水は下水供給ポンプ5を有する下水供
給管6を介して廃水処理槽7に供給され、廃水処理槽7
内の生物反応部8の容積負荷が0.1〜3.ONg−丁
DC/屑/日になるように馴養される。
The sewage in the sewage tank 20 is supplied to the wastewater treatment tank 7 via a sewage supply pipe 6 having a sewage supply pump 5.
The volume load of the biological reaction section 8 within the range is 0.1 to 3. It is acclimated to ONg-Ding DC/Kusu/Day.

生物反応部8内で増殖した浮遊汚泥および剥離した生物
膜が余剰汚泥として沈澱部13内に蓄積すると、汚泥引
扱管15および汚泥引扱弁16を介して汚泥が川辺かれ
る。
When the floating sludge that has grown in the biological reaction section 8 and the biofilm that has peeled off accumulates in the sedimentation section 13 as surplus sludge, the sludge is discharged to the riverside via the sludge handling pipe 15 and the sludge handling valve 16.

廃水処理槽7の上部沈澱部13の上澄液は、越流板55
を通過した後、処理水として排水管14を通って放流さ
れる。
The supernatant liquid in the upper sedimentation section 13 of the wastewater treatment tank 7 is transferred to the overflow plate 55.
After passing through, the water is discharged through the drain pipe 14 as treated water.

上記第1図の構成を用いると、生物膜供給槽内部の通気
線速度が10〜40m/h、容積負荷が1.0〜10.
0Ky−丁DC/I7i/日になるように馴養すること
によって、生物膜供給槽内の微生物優占種がズーグレア
、糸状細菌、かびなどのバルキング原因微生物になり、
これらの微生物は付着性微生物でおるので微生物との何
着性の悪い担体であってし付着固定でき、膜厚さが50
〜200−で均一の生物膜を形成することが可能となり
、この生物膜供給装置で形成した均一の生物膜を廃水処
理槽に供給することによって廃水処理装置ηの水処理を
安定化することが可能となる。
When the configuration shown in FIG. 1 is used, the linear ventilation velocity inside the biofilm supply tank is 10 to 40 m/h, and the volume load is 1.0 to 10 m/h.
By acclimating to 0Ky-Dc/I7i/day, the dominant microorganisms in the biofilm supply tank become bulking-causing microorganisms such as zooglaia, filamentous bacteria, and mold.
Since these microorganisms are adherent microorganisms, they can be attached to and fixed on carriers that have poor adhesion with microorganisms, and the film thickness is 50 mm.
It becomes possible to form a uniform biofilm at ~200-, and by supplying the uniform biofilm formed by this biofilm supply device to the wastewater treatment tank, it is possible to stabilize the water treatment in the wastewater treatment device η. It becomes possible.

本発明の他の実施例を第5図および第6図に示す。Another embodiment of the invention is shown in FIGS. 5 and 6.

第5図では、下水槽3内の底部に下水供給管4を挿入し
、下水供給ポンプ5および下水供給管6を介して廃水処
理槽7に連結し、また合成下水槽80内の底部を合成下
水供給ポンプ81および合成下水供給管B2を介して第
1図の実施例と同一構成の生物膜製造槽25に接続する
In FIG. 5, a sewage supply pipe 4 is inserted into the bottom of a sewage tank 3, connected to a wastewater treatment tank 7 via a sewage supply pump 5 and a sewage supply pipe 6, and the bottom of a synthetic sewage tank 80 is connected to a wastewater treatment tank 7. It is connected via a sewage supply pump 81 and a synthetic sewage supply pipe B2 to a biofilm production tank 25 having the same configuration as the embodiment shown in FIG.

生物膜製造槽25は生物反応部29と沈澱部30とから
成り、生物反応部29は生物膜供給弁36をイアする生
物膜供給管35を介して廃水処理装置7に接続され、沈
澱部30は排水管41を通して放流される。
The biofilm production tank 25 consists of a biological reaction section 29 and a sedimentation section 30, and the biological reaction section 29 is connected to the wastewater treatment device 7 via a biofilm supply pipe 35 that connects a biofilm supply valve 36. is discharged through the drain pipe 41.

第5図の構成を用いると、生物膜製造槽25内に合成下
水が連続的に供給されるので、容積負荷が1、 OK!
−TOC/ rri /日収下の低負荷であっても、ズ
ーグレア、糸状細菌、かびなどのバルキング原因微生物
が優占種となりやすく、生物膜の形成が容易となる。
When the configuration shown in Fig. 5 is used, synthetic sewage is continuously supplied into the biofilm production tank 25, so the volume load is 1. OK!
-TOC/rri/Even at low loads under daily income, bulking-causing microorganisms such as zooglaia, filamentous bacteria, and mold tend to become dominant species, making it easy to form a biofilm.

第6図では、下水槽3内の底部が下水供給管21、下水
供給ポンプ23および下水供給管24を介して生物膜製
造槽25に、また下水供給管4、下水供給ポンプ5およ
び下水供給管6を介して廃水処理槽7に接続される。
In FIG. 6, the bottom of the sewage tank 3 is connected to the biofilm production tank 25 via the sewage supply pipe 21, the sewage supply pump 23 and the sewage supply pipe 24, and the sewage supply pipe 4, the sewage supply pump 5 and the sewage supply pipe. It is connected to a wastewater treatment tank 7 via 6.

生物II!!顎造槽25は生物反応部29および沈澱部
30から成り、沈澱部30は循環水槽供給管93、循環
水槽供給ポンプ94および循環水槽供給管95を介して
循環水槽96に落とされる。
Biology II! ! The jaw-making tank 25 consists of a biological reaction section 29 and a settling section 30, and the settling section 30 is dropped into a circulating tank 96 via a circulating tank supply pipe 93, a circulating tank supply pump 94, and a circulating tank supply pipe 95.

ざらに循環水槽96の底部に散気管97を設け、空気管
98を介して空気源64に接続し、ざらに循環水槽96
の最下部を循環水管99、循環水弁100、循環水管1
01を介して生物膜製造槽25の1d下部に接続する。
An aeration pipe 97 is provided at the bottom of the rough circulation water tank 96 and connected to the air source 64 via an air pipe 98.
The lowest part of the circulating water pipe 99, circulating water valve 100, circulating water pipe 1
It is connected to the lower part 1d of the biofilm production tank 25 via 01.

第6図の構成を用いると、生物膜製造槽25内に直接に
空気を供給Uないので、空気と担体の摩擦がなくなり、
生物膜形成抑制が解決され、その結果、生物膜製造lI
25内で迅速に生物膜が形成され、廃水処理槽に迅速に
生物膜を供給することが可能となる。
When the configuration shown in FIG. 6 is used, air is not directly supplied into the biofilm production tank 25, so there is no friction between the air and the carrier.
Biofilm formation inhibition is solved, resulting in biofilm production lI
A biofilm is rapidly formed within the wastewater treatment tank 25, making it possible to quickly supply the biofilm to the wastewater treatment tank.

〔発明の効果〕〔Effect of the invention〕

以上説明した本発明によれば、下水、産業廃水などの生
物学的処理を行う廃水処理槽に生物膜供給装置を介して
生物膜が供給されるので、安定した廃水処理を行うこと
が可能となる。
According to the present invention as described above, biofilm is supplied via the biofilm supply device to a wastewater treatment tank that performs biological treatment of sewage, industrial wastewater, etc., so it is possible to perform stable wastewater treatment. Become.

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

第1図は本発明による生物膜供給装置を備えた廃水処理
装置の一実施例を示す構成図、第2図、第3図および第
4図は生物膜供給装置ににつで形成される生物膜の外観
を示す図、第5図および第6図はそれぞれ本発明の他の
実施例を示す構成図、第7図は従来の廃水処理装置の一
例を示す構成図、第8図は担体に付着した生物膜の状態
を示ず図で必る。 1・・・流入下水 3・・・下水槽 7・・・廃水処理槽 8.29・・・生物反応部 13、30・・・沈澱部 25・・・生物膜製造槽 34、55・・・越流板 42・・・担体源 64・・・空気源 80・・・合成下水槽 96・・・循環水槽 代理人 弁理士  猪 股 祥 晃 (ほか1名) 早 1 剥 手 3m 第 4 父 ギ 5rgJ 茶 ム 回
FIG. 1 is a block diagram showing an embodiment of a wastewater treatment device equipped with a biofilm supply device according to the present invention, and FIGS. 2, 3, and 4 show organisms formed by the biofilm supply device 5 and 6 are block diagrams showing other embodiments of the present invention, FIG. 7 is a block diagram showing an example of a conventional wastewater treatment device, and FIG. 8 is a block diagram showing the appearance of a membrane. The diagram does not show the state of the attached biofilm. 1... Inflow sewage 3... Sewage tank 7... Wastewater treatment tank 8.29... Biological reaction section 13, 30... Sedimentation section 25... Biofilm production tank 34, 55... Overflow plate 42...Carrier source 64...Air source 80...Synthetic sewage tank 96...Circulating water tank Agent Patent attorney Yoshiaki Inomata (and 1 other person) Haya 1 Stripping 3m 4th Sewer 5rgJ tea times

Claims (1)

【特許請求の範囲】[Claims] 下水槽から供給された廃水を生物反応を用いて処理する
廃水処理槽を備えた廃水処理装置において、上記下水槽
から廃水の一部が供給されると共に、担体源および空気
源からそれぞれ担体および空気が供給され、生物反応に
よつて微生物が担体に付着した生物膜を生成し、これを
上記廃水処理槽に供給する生物膜供給装置を設けたこと
を特徴とする廃水処理装置。
In a wastewater treatment device equipped with a wastewater treatment tank that processes wastewater supplied from a sewage tank using a biological reaction, part of the wastewater is supplied from the sewage tank, and a carrier and air are supplied from a carrier source and an air source, respectively. A wastewater treatment device comprising: a biofilm supplying device that generates a biofilm with microorganisms attached to a carrier through a biological reaction, and supplies the biofilm to the wastewater treatment tank.
JP63228540A 1988-09-14 1988-09-14 Waste water treating apparatus Pending JPH0278491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63228540A JPH0278491A (en) 1988-09-14 1988-09-14 Waste water treating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63228540A JPH0278491A (en) 1988-09-14 1988-09-14 Waste water treating apparatus

Publications (1)

Publication Number Publication Date
JPH0278491A true JPH0278491A (en) 1990-03-19

Family

ID=16877994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63228540A Pending JPH0278491A (en) 1988-09-14 1988-09-14 Waste water treating apparatus

Country Status (1)

Country Link
JP (1) JPH0278491A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1293526C (en) * 2004-10-19 2007-01-03 四川新力光源有限公司 Coloured fluorescent storage instant paster and its making method
CN115403217A (en) * 2022-08-18 2022-11-29 天津天元新材料科技有限公司 Water treatment process for treating by adopting fluidized bed biofilm reactor equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1293526C (en) * 2004-10-19 2007-01-03 四川新力光源有限公司 Coloured fluorescent storage instant paster and its making method
CN115403217A (en) * 2022-08-18 2022-11-29 天津天元新材料科技有限公司 Water treatment process for treating by adopting fluidized bed biofilm reactor equipment

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