JPS62237998A - Reactor for biofilter - Google Patents
Reactor for biofilterInfo
- Publication number
- JPS62237998A JPS62237998A JP61079519A JP7951986A JPS62237998A JP S62237998 A JPS62237998 A JP S62237998A JP 61079519 A JP61079519 A JP 61079519A JP 7951986 A JP7951986 A JP 7951986A JP S62237998 A JPS62237998 A JP S62237998A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- wastewater
- reactor
- waste water
- aeration device
- 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
- 239000002351 wastewater Substances 0.000 claims abstract description 55
- 238000005273 aeration Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000011001 backwashing Methods 0.000 description 11
- 244000005700 microbiome Species 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 235000019645 odor Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008400 supply water 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
- 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
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野Ｊ
この発明は、一般ド水や工場廃水などの有機性廃水を微
生物を用いて処理する生物濾過リアクターに関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application J This invention relates to a biological filtration reactor for treating organic wastewater such as general wastewater and industrial wastewater using microorganisms.
「従来の技術」
従来、微生物を用いて廃水の処理を行なう生物濾過リア
クターには、第５図および第６図にそれぞれ示す構造の
ものが知られている。"Prior Art" Conventionally, biological filtration reactors for treating wastewater using microorganisms have structures shown in FIGS. 5 and 6, respectively.
第５図に示すしのは、一つの槽１内に接触材および／ま
たは濾過材２を充填し、ｈ’Ｖ Ｉの底部よりブロアー
３からの空気を散気装置４を介して吹き込むことにより
酸素供給および廃水の混合・循環を行なって廃水の処理
を行なうもので、廃水は槽Ｉの」二部１ａから流入され
て槽【内を下降流にて１回通水し、槽１下部１ｂから流
出して処理が完了ずろようになっている。In the system shown in FIG. 5, one tank 1 is filled with a contact material and/or a filter material 2, and air from a blower 3 is blown into the bottom of the h'V I through an aeration device 4. Wastewater is treated by supplying oxygen and mixing and circulating wastewater.The wastewater flows in from the second part 1a of tank I, passes through the tank once in a downward flow, and then flows through the tank 1 in the lower part 1b. The process is about to be completed after the process is completed.
また、一方の第６図に示すものは、前記第５図と基本的
には同じもので、廃水は槽ｌの下部１１１から流入され
て槽Ｉ内を上向流にて１回通水し、槽Ｉ上部１ａから流
出して処理が完了ずろ点が異なるものである。The one shown in FIG. 6 is basically the same as the one shown in FIG. , the point at which the treatment is completed after flowing out from the upper part 1a of the tank I is different.
［発明が解決しようとする問題点 １
前記従来の生物濾過リアクターには、下記のような問題
点があり、その解決が求められている。[Problems to be Solved by the Invention 1 The conventional biological filtration reactor has the following problems, and solutions to these problems are required.
（イ）散気装置４により空気を供給する構造のため、Ｂ
ＯＤ負荷を高く設定する場合、リアクター内が嫌気性
気味あるいは嫌気性となり、処理水質の劣化、悪臭の発
生、接触材および／または濾過材２の異常閉塞を招いて
しまう。(B) Due to the structure in which air is supplied by the air diffuser 4, B
When the OD load is set high, the inside of the reactor becomes anaerobic or anaerobic, resulting in deterioration of the quality of the treated water, generation of bad odor, and abnormal clogging of the contact material and/or the filter material 2.
（ロ）前記（イ）の現象を防止するために多大の空気を
送ると、ある程度嫌気性化を防止でき、悪臭の発生等も
最小限に防止できるものの、接触材および／または濾過
材２に捕捉されている汚泥分（微生物、ＳＳ）が、空気
による逆洗効果によって処理水中に混入し、処理水質の
劣化を招いてしまう。また、このようにして混入した８
８分は、固−液分離か難しく、その対策に苦慮する。(b) If a large amount of air is sent in order to prevent the phenomenon described in (a) above, it is possible to prevent the anaerobic state to some extent and also to minimize the generation of bad odors, but the contact material and/or the filter material 2 The trapped sludge (microorganisms, SS) gets mixed into the treated water due to the backwashing effect of air, leading to deterioration of the quality of the treated water. In addition, 8
8 minutes is difficult for solid-liquid separation, and we are struggling to find a solution.
（ハ）供給空気量に対する酸素吸収効率が悪く、エネル
ギーロスが大きい。(c) Oxygen absorption efficiency is poor relative to the amount of supplied air, resulting in large energy loss.
（ニ）廃水処理に伴って発生ずる汚泥の接触材おにび／
またはＲ過材２への閉塞により適宜逆洗することが必要
となる。この場合、リアクター内全体を同時に逆洗する
必要があるため、逆洗後、処理水中に残余のｔ７；泥分
がリークしたり、浄化能力の回復に時間かかかり、処理
水質の安定化に問題か残る。(d) Contact material for sludge generated during wastewater treatment/
Or, due to blockage in the R filter material 2, it becomes necessary to backwash the material as appropriate. In this case, it is necessary to backwash the entire inside of the reactor at the same time, so after backwashing, residual t7; sludge may leak into the treated water, and it will take time to recover the purification ability, causing problems in stabilizing the quality of the treated water. or remain.
この発明（Ｊｌ−記事情に鑑みてなされたもので、その
目的は、高負荷運転が凸Ｊ能で、経済的な運転ができ、
メンテナンスが容易で、コンパクトな生物濾過リアクタ
ーを提供することにある。This invention was made in view of the circumstances of the JL-article, and its purpose is to enable high-load operation with convex J performance and economical operation.
An object of the present invention is to provide a compact biological filtration reactor that is easy to maintain.
１問題点を解決するための手段」
この発明に係る生物濾過リアクターは、前記問題点を解
決オろ丸めに、第１図または第２図に示すような構造を
有する。1. Means for Solving Problem 1 The biological filtration reactor according to the present invention has a structure as shown in FIG. 1 or 2 in order to solve the above problem.
（ａ） リアクター５内を底部のみを連結して槽６と
槽７とに分割する。(a) The inside of the reactor 5 is divided into a tank 6 and a tank 7 by connecting only the bottom part.
（ｂ） 廃水は分割した一方の槽６（以下、廃水流入
槽６と称す）に供給する。(b) Wastewater is supplied to one of the divided tanks 6 (hereinafter referred to as wastewater inflow tank 6).
（ｃ） この廃水流入槽６には、酸素供給および廃水
循環のための表面曝気装置８を設置する。(c) This wastewater inflow tank 6 is equipped with a surface aeration device 8 for oxygen supply and wastewater circulation.
（（Ｉ） ごのに面曝気装置８の［部には、底部を密
閉したドラフトチューブ９を設置する。((I) A draft tube 9 with a sealed bottom is installed in the section of the surface aeration device 8.
（ｅ） このトラフトチコープ９と、廃水を供給しな
いもう１つの槽７（以下、廃水流出槽７と称す）の水面
下に設置したもぐりぜき１０とを配管１１により接続す
る。(e) This trough pipe 9 is connected by a pipe 11 to a drain 10 installed below the water surface of another tank 7 that does not supply waste water (hereinafter referred to as waste water outflow tank 7).
前記構造において、表面曝気装置８を駆動させれば、高
効率に酸素を供給すると同時に廃水流出槽７から廃水流
入槽６へ水を循環できるため、廃水流入槽６では下降流
が発生し、廃水流出槽７には」二向流が発生する。In the above structure, if the surface aeration device 8 is driven, water can be circulated from the wastewater outflow tank 7 to the wastewater inflow tank 6 at the same time as supplying oxygen with high efficiency. Therefore, a downward flow is generated in the wastewater inflow tank 6, and the wastewater is Two-way flow occurs in the outflow tank 7.
（ｆ） 前記下降流が発生ずる廃水流入槽６内には、
網状、球状、板状、ひも状等で、比表面積、５０〜５０
０ｘ２／ｉ３で、かつ下部程比表面積を大きくした接触
材１２を充填する。この接触材１２の充填方法は、処理
条件（廃水水質、処理水質等）に基づいて決める。(f) In the wastewater inflow tank 6 where the downward flow occurs,
Net-like, spherical, plate-like, string-like, etc., with a specific surface area of 50 to 50
A contact material 12 having a ratio of 0x2/i3 and having a larger specific surface area toward the bottom is filled. The method of filling the contact material 12 is determined based on the treatment conditions (wastewater quality, treated water quality, etc.).
（ｇ） 前記」二向流が発生する廃水流出槽７内には
、網状、球状、板状、ひも状等で、比表面積；１００〜
１ｏｏＯｉ’／１１’で、かつ上部程比表面積を大きく
した接触材および／または濾過材［３を充填する。(g) The inside of the wastewater outflow tank 7 where the two-way flow occurs is shaped like a net, a sphere, a plate, a string, etc., and has a specific surface area of 100 to 100.
A contact material and/or a filter material [3] with a ratio of 1ooOi'/11' and a larger specific surface area toward the top is filled.
この接触材および／または濾過材１３の充填方法は、処
理条件（廃水水質、処理水質等）に基づいて決める。The method of filling the contact material and/or the filter material 13 is determined based on the treatment conditions (wastewater quality, treated water quality, etc.).
（ｈ） 表面曝気装置８による廃水の循環のみて、水
の循環が不十分な場合は、例えば、廃水の有機汚泥物濃
度の高い場合や、高度な処理水質（例えば、Ｂ ＯＤ
＜ １０ｕ／ρ）を要求される場合は、リアクター５の
底部を通って前記ドラフトチューブ９ともぐりぜき１０
とを連結する配管１４と、ブロアー１５とからなるエア
リフトポンプ１６等による循環を併用する。(h) If the circulation of wastewater by the surface aeration device 8 is insufficient, for example, if the concentration of organic sludge in the wastewater is high, or if the quality of the treated water is high (e.g. BOD
< 10u/ρ), pass through the bottom of the reactor 5 and connect the draft tube 9 and the groove 10
Circulation by an air lift pump 16 consisting of a pipe 14 and a blower 15 is used.
なお、前記構造において、ドラフトチューブ９、もぐり
せきｌＯおよび配管１１は、循環装置１７を構成してい
る。In the above structure, the draft tube 9, the drain 1O, and the pipe 11 constitute a circulation device 17.
前記第１図の構造において、下水、生活廃水、各種有機
性の産業廃水等の廃水は、２槽に分割されたりアクタ−
５の内、下降流にて通水される廃水流入槽６に供給され
る。そして、表面曝気装置８を駆動させることにより高
効率に酸素を供給すると同時に、廃水流入槽６では下降
流を生じさせ、廃水流出槽７では上向流を生じさせる。In the structure shown in Figure 1 above, wastewater such as sewage, domestic wastewater, and various organic industrial wastewater is divided into two tanks or
5, the wastewater is supplied to a wastewater inflow tank 6 through which water flows downward. Then, by driving the surface aeration device 8, oxygen is supplied with high efficiency, and at the same time, a downward flow is generated in the wastewater inflow tank 6, and an upward flow is generated in the wastewater outflow tank 7.
廃水流出槽７から廃水流入槽６への循環は、表面曝気装
置８を駆動力にして、ｌ・ラフトチューブ９、もぐりぜ
き１０および配管１１を通じて行なわれる。Circulation from the wastewater outflow tank 7 to the wastewater inflow tank 6 is carried out through the L-raft tube 9, the drain 10, and the piping 11 using the surface aeration device 8 as a driving force.
このにうにして供給された廃水は、比表面積の小さいも
のから徐々に大きいものが充填された各接触材および／
または濾過材層を水流とともに通過しなから、接触材お
よび／または濾過材の表面および内部に付着・含有する
微生物群と同接触材および／または濾過材の吸着・濾過
作用により高度に浄化され、処理水となる。なお、循環
量のコントロールは、配管１１の途中に設置するバルブ
１１ａにより任意に行なうことができる。The wastewater thus supplied is fed to each contact material and/or which is filled with materials having a gradually larger specific surface area.
Or, after passing through the filtration material layer with the water flow, it is highly purified by the adsorption and filtration action of the contact material and/or filtration material with the microorganisms attached to and contained on the surface and inside of the contact material and/or filtration material. It becomes treated water. Note that the circulation amount can be controlled arbitrarily by a valve 11a installed in the middle of the pipe 11.
また、第２図の構造においては、廃水の循環をさらにエ
アリフトポンプ１６により補って行なうこと以外、前記
と同様にして運転される。The structure shown in FIG. 2 is operated in the same manner as described above, except that the circulation of waste water is further supplemented by an air lift pump 16.
１作用 」
本発明の生物濾過リアクターは、前記構成によって、下
記のにうな利点を得ることができる。1 Effects The biological filtration reactor of the present invention can obtain the following advantages with the above configuration.
（１）酸素供給効率の高い表面曝気装置（散気装置式の
２〜３倍）８を採用するため、リアクタ−５内全体を常
に好気性に保持でき、微生物にとって好適な環境が確保
できると同時に、悪臭発生の心配がない。従って、処理
性能が向上する。(1) Since a surface aeration device 8 with high oxygen supply efficiency (2 to 3 times that of the diffuser type) is used, the entire interior of the reactor 5 can be kept aerobic at all times, ensuring a suitable environment for microorganisms. At the same time, there is no need to worry about bad odors. Therefore, processing performance is improved.
（１１）通常の散気装置式に比べて２０〜４０％のエネ
ルギー節約が可能である。酸素供給効率は、２〜３倍と
れるか、廃水の循環用のエネルギーが必要となるため、
全体として２０〜４０％のエネルギー節約となる。(11) It is possible to save 20 to 40% of energy compared to a normal air diffuser type. Oxygen supply efficiency can be increased by 2 to 3 times, or energy is required for wastewater circulation.
Overall energy savings of 20-40%.
（ｉｉｉ） 廃水の供給位置より逐次比表面積の大き
い接触材および／または濾過材を充填し、かつ水流を発
生させるため、生成汚泥分の充填部への閉塞が起こりに
くく、逆洗ま・での期間を長く保つことができる。従っ
て、リアクター５内に保持できろ微生物濃度が高いため
、処理水質が良好で、しかも処理効率が高い。(iii) Since the contact material and/or filter material with a larger specific surface area is filled successively from the wastewater supply position and a water flow is generated, it is difficult for the generated sludge to clog the filling part, and it is possible to prevent backwashing. Can be maintained for a long time. Therefore, since the concentration of microorganisms that can be retained in the reactor 5 is high, the quality of the treated water is good and the treatment efficiency is high.
（Ｉｖ）廃水流出槽７から廃水流入槽６への循環［各槽
容竜ヘースで、Ｓ Ｖ 、０．５〜１０（１／時）を標
準とする］を任意に調整できるため、従来のワンパス型
の処理法より浄化効率が高い。また、この循環のための
新たな動力もほとんど不要である。(Iv) Circulation from the wastewater outflow tank 7 to the wastewater inflow tank 6 [S V 0.5 to 10 (1/hour) is standard for each tank] can be adjusted as desired, making it possible to Purification efficiency is higher than one-pass treatment method. Further, almost no new power is required for this circulation.
（ｖ） リアクター５内を２槽に分割しているた一°
ｌ−
め、逆洗が必要な場合でも時期をずらせて行なうことが
できる。従って、逆洗後の処理水の劣化および残余の汚
泥分のリークを最小限にできる。従来法は、同時に全リ
アクターを逆洗するため、逆洗後の処理水質の劣化およ
び汚泥分のリークが危惧される。(v) The interior of reactor 5 is divided into two tanks.
l- Even if backwashing is necessary, it can be done at different times. Therefore, deterioration of treated water after backwashing and leakage of remaining sludge can be minimized. In the conventional method, all reactors are backwashed at the same time, so there are concerns about deterioration of the quality of treated water and leakage of sludge after backwashing.
以」二の作用および効果によって、本発明の生物濾過リ
アクターは、高負荷運転が可能で、コンパクト、省エネ
ルギー型、省メンテナンス型の廃水処理装置として活用
できる。Due to the above two functions and effects, the biological filtration reactor of the present invention is capable of high-load operation and can be utilized as a compact, energy-saving, and maintenance-saving wastewater treatment device.
以下、この発明の実施例を示す。Examples of this invention will be shown below.
「実施例」
前記第１図に示した本発明の生物濾過リアクターを用い
て、下記条件で廃水の処理を行ない、酸素供給動力効率
（ｏ２Ｋｇ／ＫＷｈ）、所要動力（ＫＷｈ／廃水肩３）
、処理水質（ｉｇ／ ｆり、逆洗の頻度（回／週）、逆
洗後の水質の安定化に要する時間、リアクタ一単位容蚤
ベースでの保持微生物量（ｍｇ／ρ）を測定および算定
した。"Example" Wastewater was treated under the following conditions using the biological filtration reactor of the present invention shown in FIG.
, the treated water quality (ig/f), the frequency of backwashing (times/week), the time required to stabilize the water quality after backwashing, and the amount of microorganisms retained per unit volume of reactor (mg/ρ). Calculated.
また、比較のために前記従来の装置を用いて、同様の条
件で同様の測定および算定を行なった。Further, for comparison, similar measurements and calculations were performed under similar conditions using the conventional apparatus.
その結果を表１に示した。The results are shown in Table 1.
［比較条件］
・対象廃水； 下水（Ｂ ＯＤ ；２００ｘｇ／ρ、Ｓ
Ｓ ；２５０ａｇ＃り
・目標処理水質； Ｂ ＯＤ ＜ ２０ｍｇ／（１、
Ｓ Ｓ ＜ ３０ｚｇ／ Ｑ
・設計条件、 ＢＯＤ容積負荷・・弓、２Ｋｇ／ｍ３
・日リアクター滞留時間・・・４時間
処理水量・・・１０００〜３００ｈ＋３７日表１から明
らかなように、すべての測定項目において、本発明装置
は従来装置にくらべてほぼ２倍以」―の性能を示してお
り、廃水の処理装置として有用であることがわかる。[Comparison conditions] - Target wastewater; Sewage (B OD; 200xg/ρ, S
S; 250ag #target treated water quality; B OD < 20mg/(1,
S S < 30zg/Q ・Design conditions, BOD volume load...Bow, 2Kg/m3
・Days Reactor residence time: 4 hours Processed water volume: 1000 to 300 hours + 37 days As is clear from Table 1, the performance of the device of the present invention is approximately twice that of the conventional device in all measurement items. It can be seen that the system is useful as a wastewater treatment device.
また、同様の条件、同様の装置を用いて、処理水のＢ
ＯＤ （ｚｇ／ρ）の経日変化および逆洗後の経時変化
をそれぞれ測定した。その結果を第３図および第４図に
それぞれ示した。In addition, using the same conditions and the same equipment, B of the treated water was
Changes in OD (zg/ρ) over time and changes over time after backwashing were measured. The results are shown in FIGS. 3 and 4, respectively.
図から明らかなように、本発明装置では従来装置に比べ
て高度で安定したＢＯＤの処理水が得られ、しかも、本
発明装置では逆洗直後から処理水のｒ３０１）は目標水
質を下回り、経時的にさらに低下しており、本発明装置
の性能の高さが明らかとなった。As is clear from the figure, the device of the present invention can obtain treated water with a higher and more stable BOD than the conventional device.Moreover, with the device of the present invention, the r301) of the treated water falls below the target water quality immediately after backwashing. The performance of the device of the present invention is clearly demonstrated.
（以下、余白）
「発明の効果」
以−ト説明したように、本発明に係る生物濾過リアクタ
ーは、高負荷運転が可能で、経済的な運転かでき、メン
テナンスか容易で、コンパクトであり、廃水処理装置と
して高い実用性を有する。(Hereinafter, blank space) "Effects of the Invention" As explained above, the biological filtration reactor according to the present invention is capable of high-load operation, economical operation, easy maintenance, and is compact. Highly practical as a wastewater treatment device.
第１図および第２図はそれぞれこの発明の生物濾過リア
クターの一例を示す構成図、第３図は本発明装置と従来
装置との処理水のＢＯＤの経口変化を示すグラフ、第４
図は本発明装置と従来装置とにおｌする逆洗後の処理水
のＢＯＤの経時変化を示すグラフ、第５図および第６図
はそれぞれ従来の生物濾過リアクターの構成図である。
５・・−リアクター、
６・・ ・廃水流入槽、
７ ・−廃水流出槽、
８・ ・・表面曝気装置、
９ ・・・ドラフトヂコーブ、
１０−・・・もぐりぜき、
１１・・・・配管、
１２・・・・接触材、
１３・・・・・・接触材および／または濾過材、１６・
・−エアリフトポンプ、
１７・・・・・循環装置。1 and 2 are block diagrams showing an example of the biological filtration reactor of the present invention, FIG. 3 is a graph showing oral changes in BOD of treated water between the device of the present invention and the conventional device, and FIG.
The figure is a graph showing changes over time in the BOD of treated water after backwashing in the apparatus of the present invention and the conventional apparatus, and FIGS. 5 and 6 are configuration diagrams of conventional biological filtration reactors, respectively. 5...-Reactor, 6...-Wastewater inflow tank, 7...-Wastewater outflow tank, 8...Surface aeration device, 9...Draft cove, 10-...Surface, 11...・Piping, 12...Contact material, 13...Contact material and/or filter material, 16.
・-Air lift pump, 17...Circulation device.
Claims (1)
方の槽が廃水流入槽とされるとともに他方の槽が廃水流
出槽とされ、前記廃水流入槽には比表面積の小さい接触
材が充填されるとともに前記廃水流出槽には比表面積の
大きい接触材および／または濾過材が充填され、前記廃
水流入槽に表面曝気装置が設置され、駆動源として少な
くとも前記表面曝気装置を利用して前記廃水流出槽から
廃水流入槽に廃水を循環させる循環装置が前記廃水流入
槽と廃水流出槽とにかけて設置されていることを特徴と
する生物濾過リアクター。The inside of the reactor is divided into two compartments with the bottom communicating with each other, one tank is used as a wastewater inflow tank, and the other tank is used as a wastewater outflow tank, and the wastewater inflow tank is filled with a contact material with a small specific surface area. At the same time, the wastewater outflow tank is filled with a contact material and/or a filter material having a large specific surface area, and a surface aeration device is installed in the wastewater inflow tank, and at least the surface aeration device is used as a driving source to direct the wastewater outflow. A biological filtration reactor characterized in that a circulation device for circulating wastewater from the tank to the wastewater inflow tank is installed between the wastewater inflow tank and the wastewater outflow tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61079519A JPH0632822B2 (en) | 1986-04-07 | 1986-04-07 | Biological filtration reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61079519A JPH0632822B2 (en) | 1986-04-07 | 1986-04-07 | Biological filtration reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62237998A true JPS62237998A (en) | 1987-10-17 |
| JPH0632822B2 JPH0632822B2 (en) | 1994-05-02 |
Family
ID=13692227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61079519A Expired - Fee Related JPH0632822B2 (en) | 1986-04-07 | 1986-04-07 | Biological filtration reactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632822B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01304097A (en) * | 1988-05-31 | 1989-12-07 | Kubota Ltd | Circulation type biological treatment apparatus |
| JPH02122891A (en) * | 1988-11-01 | 1990-05-10 | Shimizu Corp | Aerobic waste water treatment equipment |
| JPH03245899A (en) * | 1990-02-23 | 1991-11-01 | Takayoshi Fujiwara | Method for preventing blocking of flow of liquid in purifying tank |
| CN106396099A (en) * | 2016-06-01 | 2017-02-15 | 惠州市保家环境工程有限公司 | High-efficiency internal-circulation biological aerated filter and combined rural sewage treating system |
| CN114956463A (en) * | 2022-05-31 | 2022-08-30 | 天俱时工程科技集团有限公司 | Aeration biological filter for efficiently treating wastewater |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845792A (en) * | 1981-09-10 | 1983-03-17 | 橋本 奨 | Immersed filter bed type catalytic oxidizing denitrifier using oxygen |
-
1986
- 1986-04-07 JP JP61079519A patent/JPH0632822B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845792A (en) * | 1981-09-10 | 1983-03-17 | 橋本 奨 | Immersed filter bed type catalytic oxidizing denitrifier using oxygen |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01304097A (en) * | 1988-05-31 | 1989-12-07 | Kubota Ltd | Circulation type biological treatment apparatus |
| JPH02122891A (en) * | 1988-11-01 | 1990-05-10 | Shimizu Corp | Aerobic waste water treatment equipment |
| JPH03245899A (en) * | 1990-02-23 | 1991-11-01 | Takayoshi Fujiwara | Method for preventing blocking of flow of liquid in purifying tank |
| CN106396099A (en) * | 2016-06-01 | 2017-02-15 | 惠州市保家环境工程有限公司 | High-efficiency internal-circulation biological aerated filter and combined rural sewage treating system |
| CN114956463A (en) * | 2022-05-31 | 2022-08-30 | 天俱时工程科技集团有限公司 | Aeration biological filter for efficiently treating wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632822B2 (en) | 1994-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0225965B1 (en) | Method of treating waste water and equipment therefor | |
| CN1232450C (en) | Method and apparatus for treating wastewater using membrane filters | |
| Engelhardt et al. | Integration of membrane filtration into the activated sludge process in municipal wastewater treatment | |
| CN205635294U (en) | A processing system for handling high concentration polyurethane synthetic leather waste water | |
| US3670887A (en) | Aerobic digestion of sludge with oxygen | |
| CN207608464U (en) | The device of inversion A AO+MBR integrated sewage disposals | |
| JP2007532297A (en) | Method and apparatus for improving immersion membrane throughput and operating life | |
| JPS62237998A (en) | Reactor for biofilter | |
| CN207031192U (en) | A kind of system for handling waste erythromycin producing water | |
| CN210711166U (en) | Villages and towns sewage treatment plant | |
| DE19623592C1 (en) | Process and reactor for the continuous microbiological treatment of highly contaminated wastewater using a floatable carrier material | |
| CN210261475U (en) | Rural domestic sewage rewet processing apparatus | |
| CN203728687U (en) | Integrated combined nitrogen and phosphorus removal device | |
| CN208603967U (en) | Vehicle-mounted sewage disposal system | |
| JPH1110193A (en) | Method and apparatus for shared carrier nitrification denitrification reaction | |
| JPH01123697A (en) | Aerobic biological treatment device for organic waste water | |
| CN205710329U (en) | A kind of water treatment facilities | |
| JPH0445895A (en) | Waste water treating equipment | |
| JP4109492B2 (en) | Sludge treatment method | |
| CN211664791U (en) | Multistage AO + MBR is from reflux reactor | |
| JPS6323999Y2 (en) | ||
| CN217173511U (en) | Novel biological treatment device for aircraft paint removal wastewater | |
| JP2014008474A (en) | Pond water circulation hybrid purification method and pond water circulation hybrid purification system | |
| CN208218606U (en) | A kind of processing equipment of pharmacy waste water | |
| CN217868539U (en) | Sewage treatment device convenient to move |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |