JPH0634999B2 - Bioreactor - Google Patents
BioreactorInfo
- Publication number
- JPH0634999B2 JPH0634999B2 JP9295385A JP9295385A JPH0634999B2 JP H0634999 B2 JPH0634999 B2 JP H0634999B2 JP 9295385 A JP9295385 A JP 9295385A JP 9295385 A JP9295385 A JP 9295385A JP H0634999 B2 JPH0634999 B2 JP H0634999B2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- tank
- liquid
- tank body
- separation membrane
- 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.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 claims description 55
- 239000007788 liquid Substances 0.000 claims description 45
- 238000000926 separation method Methods 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 10
- 244000005700 microbiome Species 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000011001 backwashing Methods 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001601 blood-air barrier Anatomy 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Treatment Of Sludge (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は生物反応装置に係り、特に反応装置の槽体内に
分離膜を装入設置し、槽体内の圧力を利用して液の分離
膜透過を行わせるようにした生物反応装置に関するもの
である。Description: TECHNICAL FIELD The present invention relates to a bioreactor, and in particular, a separation membrane is charged and installed in a tank of a reactor, and a liquid separation membrane is utilized by utilizing pressure in the tank. The present invention relates to a bioreactor that is permeated.
［従来の技術］ 生物処理装置と膜分離装置とを組み合わせた生物反応装
置が廃水処理装置の分野などにおいて知られている。例
えば、特開昭５７−７２９３には生物処理装置からの生
物処理液を膜分離処理し、この濃縮液を生物処理装置に
返送するようにしたものが、また特公昭４６−４１５８
４には生物処理後の処理液を膜分離し、処理水の水質向
上を図るようにしたものが開示されている。[Prior Art] A bioreactor in which a biotreatment device and a membrane separation device are combined is known in the field of wastewater treatment devices and the like. For example, Japanese Patent Application Laid-Open No. 57-7293 discloses a method in which a biological treatment liquid from a biological treatment device is subjected to membrane separation treatment and the concentrated liquid is returned to the biological treatment device.
No. 4 discloses a treatment liquid after biological treatment that is separated into membranes to improve the quality of treated water.
このような膜分離手段と生物反応手段とを組み合わせた
従来の装置においても、負荷量が高く、高度な処理を行
える生物反応装置を提供し得る。Even in the conventional apparatus in which the membrane separation means and the biological reaction means are combined, a biological reaction apparatus having a high load amount and capable of high-level treatment can be provided.
［発明が解決しようとする問題点］ しかしながら、上記従来の生物反応手段と膜分離手段と
を組み合わせた反応装置は、生物反応槽と膜分離装置と
が別体に設けられているので、膜分離用動力が必要であ
り、動力コストが嵩むと共に、装置全体の構成が大型化
され、コンパクト化にも限界があった。[Problems to be Solved by the Invention] However, in the above-described conventional reaction apparatus in which the biological reaction means and the membrane separation means are combined, the biological reaction tank and the membrane separation apparatus are provided separately, and therefore the membrane separation This requires power for use, increases power cost, increases the size of the entire apparatus, and limits the compactness.
［問題点を解決するための手段］ 本発明は密閉式の槽体内の液中分離膜を装入設置すると
共に、この分離膜透過液を槽体外への取出可能とし、槽
体内の圧力を利用して液の膜透過を行わせるよう構成し
たものであって、該槽体内の液面レベルの検出計と、槽
体内からガスを抜き出すガス抜出管と、該ガス抜出管に
設けられた背圧弁とを有し、該背圧弁は、検出計で検出
される槽体内液面レベルにより開閉動作されることを特
徴とする。[Means for Solving Problems] In the present invention, a separation membrane submerged in a closed tank body is charged and installed, and the permeation liquid of the separation membrane can be taken out of the tank body to utilize the pressure in the tank body. And a liquid level detector in the tank, a gas extraction pipe for extracting gas from the tank, and a gas extraction pipe. A back pressure valve, and the back pressure valve is opened and closed according to the liquid level in the tank detected by a detector.
［作用］ 本発明においては、生物反応を行う槽体内の圧力を利用
して分離膜の液透過を行わせることができるので、膜分
離用動力が不要である。また、槽体内に分離膜が装入設
置されているので、装置全体のコンパクト化を図ること
が可能である。[Operation] In the present invention, since the liquid permeation of the separation membrane can be carried out by utilizing the pressure in the tank body which carries out the biological reaction, the power for membrane separation is unnecessary. Moreover, since the separation membrane is installed in the tank body, it is possible to make the entire apparatus compact.
［実施例］ 以下図面を参照して実施例について説明する。Embodiments Embodiments will be described below with reference to the drawings.
第１図は本発明の実施例に係る生物反応装置の縦断面
図、第２図は第１図のIIの部分の拡大図である。FIG. 1 is a longitudinal sectional view of a bioreactor according to an embodiment of the present invention, and FIG. 2 is an enlarged view of a portion II of FIG.
１は反応装置の槽体であって、密閉体である。Reference numeral 1 denotes a tank body of the reactor, which is a closed body.
この槽体１には、その底部に原液の導入管２が接続さ
れ、上部には生成ガスの抜出管３が接続されている。The tank 1 is connected at its bottom with a stock solution introduction pipe 2 and at the top with a product gas extraction pipe 3.
槽体１の略中央部分には上下一対の処理液抜出部材５、
６が略水平に方向配設され、これら処理液抜出部材５、
６の間に懸け渡されるように分離膜７が多数配設されて
いる。A pair of upper and lower processing liquid withdrawing members 5 are provided at a substantially central portion of the tank body 1,
6 are arranged in a substantially horizontal direction, and these processing liquid extracting members 5,
A large number of separation membranes 7 are arranged so as to be suspended between the separation membranes 6.
第２図に示すように、処理液抜出部材５は平行な平板
８、９を有し、両板８、９の間に処理液通過室１０を有
している。この処理液通過室１０を通過するように筒状
部材１０ａが配設されており、これによって処理液抜出
部材５の上側の室１１と処理液抜出部材５の下側の室１
２とが連通されている。また、処理液抜出部材５の下側
の板９には多数の透孔１３が穿設されており、分離膜７
の上端面がこの透孔１３に嵌め合わされ、分離膜７内に
流入した液が膜７の上端面から処理液通過室１０内に流
入し得るよう構成されている。なお処理液抜出部材６は
処理液抜出部材５と上下に対称な構成とされ、第２図符
号１０で示されるものと同様の処理液通過室１０′（図
示せず）を有しており、分離膜７の下端が該処理液通過
室に透過水流入可能に接続されている。As shown in FIG. 2, the processing liquid extracting member 5 has parallel flat plates 8 and 9, and a processing liquid passage chamber 10 is provided between both plates 8 and 9. A tubular member 10a is arranged so as to pass through the processing liquid passage chamber 10, whereby a chamber 11 above the processing liquid extracting member 5 and a chamber 1 below the processing liquid extracting member 5 are provided.
It is in communication with 2. Further, a large number of through holes 13 are formed in the lower plate 9 of the treatment liquid extracting member 5, and the separation membrane 7
The upper end surface of the membrane is fitted into the through hole 13 so that the liquid flowing into the separation membrane 7 can flow into the treatment liquid passage chamber 10 from the upper end surface of the membrane 7. The processing liquid withdrawing member 6 is vertically symmetrical with the processing liquid withdrawing member 5 and has a processing liquid passage chamber 10 '(not shown) similar to that shown by reference numeral 10 in FIG. The lower end of the separation membrane 7 is connected to the treatment liquid passage chamber so that permeated water can flow into the treatment liquid passage chamber.
槽体１の側面には処理液抜出部材５、６の処理液通過室
１０、１０′から処理液を抜き出すための配管１４が接
続されている。またこの配管１４には分離膜の逆洗を行
うために、逆洗水又は逆洗用ガスを供給するための配管
１５が接続されている。A pipe 14 is connected to the side surface of the tank body 1 for extracting the processing liquid from the processing liquid passage chambers 10 and 10 'of the processing liquid extracting members 5 and 6. Further, a pipe 15 for supplying backwash water or a gas for backwashing is connected to the pipe 14 for backwashing the separation membrane.
図中１６は槽体１内の液面レベルを検出するためのレベ
ル計であり、１７はガス抜出管３に設けられた背圧弁で
ある。なおレベル計１６の検出値は制御器１８に入力さ
れ、制御器１８は槽体１内の液面レベルが設定下限値よ
りも下回る場合には背圧弁１７を開動作させ、槽体１内
の液面レベルが設定上限値を上回る場合には排圧弁１７
を閉動作させるよう制御信号を背圧弁１７に対して発す
る。In the figure, 16 is a level meter for detecting the liquid level in the tank body 1, and 17 is a back pressure valve provided in the gas extraction pipe 3. The detection value of the level meter 16 is input to the controller 18, and the controller 18 opens the back pressure valve 17 when the liquid level in the tank body 1 is lower than the set lower limit value. When the liquid level exceeds the set upper limit value, the exhaust pressure valve 17
A control signal is issued to the back pressure valve 17 to close the valve.
このように構成された実施例装置において、導入管２か
ら槽体１内に導入された原液は、槽体１内に存在してい
る微生物によって生物的な反応（例えば分解、発酵等）
を受け、低分子化した生成物は液と共に分離膜７を通過
し処理液抜出部材５、６を通過して配管１４より槽体１
外に取り出される。In the embodiment apparatus configured as described above, the undiluted solution introduced into the tank body 1 from the introduction pipe 2 causes a biological reaction (for example, decomposition, fermentation, etc.) by the microorganisms existing in the tank body 1.
The product whose molecular weight has been reduced is passed through the separation membrane 7 together with the liquid, the treatment liquid extracting members 5 and 6, and the tank 1 through the pipe 14.
Taken out.
また、この生物反応に伴ってメタン等のガスが発生する
が、このガスはガス抜出管３から槽体１外に排出され
る。しかして、この槽体１内のガス圧が高くなり過ぎる
と、槽体１内の液面レベルが押し下げられるので、この
場合にはレベル計１６の検出値によって制御器１８が背
圧弁１７を開動作させ、槽体１からのガス抜出量を増加
させる。これにより槽体１内の液面レベルが正常状態ま
で復帰する。逆に、槽体１内の生物反応によって生ずる
ガス量が少い場合には液面レベルが設定上限値よりも上
昇する。この場合には、背圧弁１７は閉動作され、これ
により槽体１内のガス圧は次第に高められる。そして、
液面レベルが下方に押し下げられ、正常状態に復帰す
る。Further, gas such as methane is generated along with this biological reaction, and this gas is discharged from the gas extraction pipe 3 to the outside of the tank body 1. If the gas pressure in the tank body 1 becomes too high, the liquid level in the tank body 1 is pushed down. In this case, the controller 18 opens the back pressure valve 17 according to the detection value of the level meter 16. It is operated to increase the amount of gas extracted from the tank body 1. As a result, the liquid level in the tank body 1 returns to the normal state. On the contrary, when the amount of gas generated by the biological reaction in the tank body 1 is small, the liquid level rises above the set upper limit value. In this case, the back pressure valve 17 is closed, whereby the gas pressure in the tank body 1 is gradually increased. And
The liquid level is pushed down and returns to the normal state.
分離膜７の膜面には、運転の継続に伴って原液中に含ま
れる無機物質や難分解性物質などが付着し、いわゆる目
詰りが進行するようになる。そこで所定時間が経過した
とき、もしくは処理液取出量が所定値以下に減少した場
合には、装置の運転を一旦停止し、配管１５から逆洗水
又は逆洗用ガスを導入し、分離膜７の逆洗を行う。な
お、逆洗水又は逆洗用ガスは、配管１５、配管１４、処
理抜出部材５、６の処理液通過室１０、１０′を逆流し
て分離膜７に到達する。As the operation continues, inorganic substances and persistent substances contained in the stock solution adhere to the membrane surface of the separation membrane 7, and so-called clogging progresses. Then, when a predetermined time has elapsed or when the amount of the treated liquid taken out is reduced to a predetermined value or less, the operation of the apparatus is temporarily stopped, the backwash water or the backwash gas is introduced from the pipe 15, and the separation membrane 7 Backwash. The backwash water or the backwash gas flows back through the pipe 15, the pipe 14, and the treatment liquid passage chambers 10 and 10 ′ of the treatment extraction members 5 and 6 to reach the separation membrane 7.
上記のように、本実施例装置においては、槽体１内に分
離膜７が装入され、槽体１内の圧力を利用して槽体１内
の液の分離膜透過が図れるので、従来の膜分離装置のよ
うな特別の加圧供給機構を設置する必要はなく、装置構
成の簡易化及びコンパクト化を図ることができる。As described above, in the apparatus of this embodiment, the separation membrane 7 is loaded into the tank body 1 and the pressure in the tank body 1 can be used to allow the liquid in the tank body 1 to permeate through the separation membrane. It is not necessary to install a special pressurizing and supplying mechanism such as the membrane separation device, and the device configuration can be simplified and made compact.
本発明において、分離膜７としては、中空糸膜、ギャピ
ラリー膜、又はチューブラー膜が好適である。また、こ
のような分離膜面上に微生物を固定化させれば、膜面に
付着して透過水量を減少させる膜面閉塞部質がこの固定
化微生物により生物学的に分解されるので、処理効率が
一層高くなると共に、外部から施す逆洗操作の頻度が極
めて少くて足りるようになる。In the present invention, the separation membrane 7 is preferably a hollow fiber membrane, a capillary membrane, or a tubular membrane. In addition, when microorganisms are immobilized on such a separation membrane surface, the membrane surface blocking material that adheres to the membrane surface and reduces the amount of permeated water is biologically decomposed by the immobilized microorganisms. In addition to higher efficiency, the frequency of external backwashing operations is extremely low and sufficient.
槽体１内の圧力は、通常は１ｋｇ／ｃｍ2程度の低い圧
力で十分であり、この圧力調節は背圧弁１７の調整を行
うことにより可能である。A low pressure of about 1 kg / cm 2 is usually sufficient for the pressure in the tank body 1, and this pressure adjustment can be performed by adjusting the back pressure valve 17.
また、逆洗時の圧力は例えば２ｋｇ／ｃｍ2程度でよ
い。The pressure during backwashing may be, for example, about 2 kg / cm 2 .
本発明の装置は、嫌気性処理を行うのが好適であるが、
好気性処理や発酵処理にも適用できる。本発明において
用いる分離膜としては、特に限定されることなく各種の
ものを用いることができるが、反応の種類に応じて選定
するのが好ましい。例えば廃水処理に用いる場合には、
孔径０．１〜０．０１μｍ程度の精密濾過膜を、また高
度な廃水処理を行う場合には分画分子量が２００００〜
１０００程度の限外濾過膜を用いることができる。また
有機酸発酵やアルコール発酵等を行う場合は、生成した
有機酸、アルコールが透過する特性の精密濾過膜、限外
濾過膜を用いることができる。The device of the present invention is preferably subjected to anaerobic treatment,
It can also be applied to aerobic treatment and fermentation treatment. The separation membrane used in the present invention is not particularly limited and various kinds can be used, but it is preferable to select it according to the kind of reaction. For example, when used for wastewater treatment,
When using a microfiltration membrane with a pore size of 0.1-0.01 μm, or when performing advanced wastewater treatment, the molecular weight cut-off is 20000-
An ultrafiltration membrane of about 1000 can be used. When carrying out organic acid fermentation, alcohol fermentation, etc., a microfiltration membrane or an ultrafiltration membrane having characteristics that allow the produced organic acid and alcohol to permeate can be used.
本発明において、微生物は各種の方式によって槽体内に
装入維持させることができる。例えば流動床方式、スラ
ッジブランケット方式、浮遊方式或いは固定床方式のい
ずれでもよい。In the present invention, microorganisms can be loaded and maintained in the tank by various methods. For example, any of a fluidized bed system, a sludge blanket system, a floating system or a fixed bed system may be used.
また、前述のように、本発明においては分離膜に微生物
を固定化させてもよく、このような分離膜に微生物を固
定化させる手段としては、 分離膜の表面にアクリルアミド、カラギーナンなど
の通水可能な性質を有する糊剤を用いて微生物を付着さ
せる。Further, as described above, in the present invention, the microorganisms may be immobilized on the separation membrane, and means for immobilizing the microorganisms on such a separation membrane may be obtained by passing water such as acrylamide or carrageenan on the surface of the separation membrane. The microorganisms are attached using a sizing agent having the possible properties.
活性炭やスポンジ等をポーラスな性状の充填剤を上
記の糊剤などを用いて分離膜表面に付着させ、この充填
剤の表面や細孔内に微生物を付着、増殖させる。A porous filler such as activated carbon or sponge is attached to the surface of the separation membrane using the above-mentioned sizing agent or the like, and the microorganisms are attached and proliferated on the surface and pores of the filler.
膜と生物とが一体となるように膜を成形する。 The membrane is formed so that the membrane and the living body are integrated.
［効果］ 以上の通り、本発明の生物反応装置においては、反応槽
体内に分離膜が組み込まれ、槽体内の圧力を利用して分
離膜の透過が図られているものであり、装置全体の構成
が極めてコンパクトであり、且つ膜への液供給用動力装
置が不要である。[Effects] As described above, in the bioreactor of the present invention, the separation membrane is incorporated in the reaction tank body, and the separation membrane is permeated by utilizing the pressure in the tank body. The structure is extremely compact, and a power unit for supplying liquid to the membrane is unnecessary.
第１図は本発明の実施例装置の縦断面図、第２図は第１
図の要部拡大図である。 １……槽体、３……ガス抜出管、 ５、６……処理液抜出部材、７……分離膜、 １６……レベル計、１７……背圧弁。FIG. 1 is a vertical sectional view of an apparatus according to an embodiment of the present invention, and FIG.
It is a principal part enlarged view of a figure. 1 ... Tank body, 3 ... Gas extraction pipe, 5, 6 ... Treatment liquid extraction member, 7 ... Separation membrane, 16 ... Level meter, 17 ... Back pressure valve.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０２Ｆ 11/04 Ａ 7824−4Ｄ Ｃ１２Ｍ 1/12 (56)参考文献 特開 昭59−175878（ＪＰ，Ａ) 特開 昭58−63853（ＪＰ，Ａ) 特開 昭58−187190（ＪＰ，Ａ) 大矢晴彦編「逆浸透法・限外▲ろ▼過法 ▲ＩＩ▼応用 膜利用技術ハンドブック」 幸書房 初版（昭53−６−30）Ｐ233〜 236，Ｐ356〜364─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Internal reference number FI Technical display location C02F 11/04 A 7824-4D C12M 1/12 (56) Reference JP-A-59-175878 (JP , A) JP-A-58-63853 (JP, A) JP-A-58-187190 (JP, A) Haruhiko Oya ed. "Reverse osmosis / ultra-excessive method II Handbook of applied membrane technology" Yukiko Shobo First Edition (Sho 53-6-30) P233-236, P356-364
Claims (1)
物反応装置において、該槽体内の液中に分離膜を、この
分離膜の透過液を槽体外へ取出可能に設けると共に、該
槽体を密閉体とし、槽体内の圧力を利用して液の膜透過
を行わせる生物反応装置であって、該槽体内の液面レベ
ルの検出計と、槽体内からガスを抜き出すガス抜出管
と、該ガス抜出管に設けられた背圧弁とを有し、該背圧
弁は、検出計で検出される槽体内液面レベルにより開閉
動作されることを特徴とする生物反応装置。1. A bioreactor for carrying out a biological reaction using microorganisms in a tank, wherein a separation membrane is provided in the liquid in the tank so that the permeated liquid of the separation membrane can be taken out of the tank, and the tank is A bioreactor that uses a pressure inside the tank as a body for permeating a liquid through a membrane, and a detector for detecting the liquid level in the tank and a gas extraction pipe for extracting gas from the tank. And a back pressure valve provided on the gas extraction pipe, the back pressure valve being opened and closed according to the liquid level in the tank detected by a detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9295385A JPH0634999B2 (en) | 1985-04-30 | 1985-04-30 | Bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9295385A JPH0634999B2 (en) | 1985-04-30 | 1985-04-30 | Bioreactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61249599A JPS61249599A (en) | 1986-11-06 |
| JPH0634999B2 true JPH0634999B2 (en) | 1994-05-11 |
Family
ID=14068820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9295385A Expired - Lifetime JPH0634999B2 (en) | 1985-04-30 | 1985-04-30 | Bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634999B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0667518B2 (en) * | 1986-02-26 | 1994-08-31 | オルガノ株式会社 | Aerobic bioreactor |
| JPH0789902B2 (en) * | 1987-06-22 | 1995-10-04 | 栗田工業株式会社 | Bioreactor |
| JPH04171096A (en) * | 1990-11-06 | 1992-06-18 | Aqua Renaissance Gijutsu Kenkyu Kumiai | Anaerobic treating device |
| JP2705857B2 (en) * | 1991-03-12 | 1998-01-28 | 株式会社クボタ | Sewage septic tank |
| JPH04354592A (en) * | 1991-05-30 | 1992-12-08 | Kubota Corp | Sewage treating device |
| JP2755507B2 (en) * | 1991-06-06 | 1998-05-20 | 株式会社クボタ | Sewage treatment equipment |
| JP4024330B2 (en) * | 1996-09-10 | 2007-12-19 | 水道機工株式会社 | Method and apparatus for nitrification / denitrification treatment using a single tank |
| JP2009299839A (en) * | 2008-06-16 | 2009-12-24 | Tsukishima Techno Mente Service Kk | Gas seal device |
| JP2014240050A (en) * | 2013-06-12 | 2014-12-25 | 扶桑建設工業株式会社 | Biological contact filtration apparatus |
-
1985
- 1985-04-30 JP JP9295385A patent/JPH0634999B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 大矢晴彦編「逆浸透法・限外▲ろ▼過法▲ＩＩ▼応用膜利用技術ハンドブック」幸書房初版（昭５３−６−３０）Ｐ２３３〜２３６，Ｐ３５６〜３６４ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61249599A (en) | 1986-11-06 |
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