JPS60244306A - Hollow yarn filter module - Google Patents
Hollow yarn filter moduleInfo
- Publication number
- JPS60244306A JPS60244306A JP10057284A JP10057284A JPS60244306A JP S60244306 A JPS60244306 A JP S60244306A JP 10057284 A JP10057284 A JP 10057284A JP 10057284 A JP10057284 A JP 10057284A JP S60244306 A JPS60244306 A JP S60244306A
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- fiber filtration
- filtrate
- membranes
- module
- 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
- 238000001914 filtration Methods 0.000 claims description 79
- 239000012510 hollow fiber Substances 0.000 claims description 72
- 239000012528 membrane Substances 0.000 claims description 52
- 239000000706 filtrate Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000005192 partition Methods 0.000 description 5
- 239000008235 industrial water Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 ［技術分野］ 本発明は、浄水器用の中空糸濾過モジュールに関する。[Detailed description of the invention] [Technical field] The present invention relates to a hollow fiber filtration module for a water purifier.
［従来技術］
中空糸濾過膜は、優れた濾過機能を有しているため、従
来より高純度の工業用水、飲料水、医療用の無菌水等を
製造するための浄水器に使用されてきた。[Prior art] Hollow fiber filtration membranes have an excellent filtration function and have traditionally been used in water purifiers to produce high-purity industrial water, drinking water, sterile water for medical use, etc. .
これら浄水器に使用される中空糸濾過膜を具備する通過
モジュールの構造としては、従来殆どのものが、筒状体
内に中空糸濾過膜をＵ字型にあるいは一端を封鎖した糸
状の形でそれぞれの開口端を開口状態を保ったままポリ
ウレタン等からなる固定部材に固定してなる構造を有す
るものであった。Conventionally, most of the structures of passage modules equipped with hollow fiber filtration membranes used in water purifiers include hollow fiber filtration membranes in a cylindrical body in a U-shape or in a filament shape with one end closed. It had a structure in which the opening end of the opening was fixed to a fixing member made of polyurethane or the like while keeping it open.
中空糸濾過モジュールを使用して、大量の用水を工業的
規模で処理するには、中空糸濾過膜の本数を増加させる
かあるいは中空糸濾過膜の長さ垂長くすることで対処さ
れてきた。In order to treat a large amount of water on an industrial scale using a hollow fiber filtration module, the solution has been to increase the number of hollow fiber filtration membranes or to increase the length of the hollow fiber filtration membranes.
しかしながら、単位面積当りの中空糸濾過膜の本数を増
加させると、ある程度迄は設置本数に比例して処理用水
量は増加するが、中空糸濾過膜の設置密度が高くなり過
ぎると、中空糸濾過膜の束の中央部への処理用水の通過
抵抗が大きくなるため、設置本数に比例して処理用水量
を増加させることはできなくなる。一方、中空糸濾過膜
の長さを長くすると、膜面積が増加するため、処理用水
量を増加させることができるが、この場合にも中空糸瀘
過膜の内径と濾過膜の性能との関係により、ある長さ以
上では、中空糸濾過膜内部の流路抵抗が律速となり、処
理用水量を増加させることができなかった。However, if the number of hollow fiber filtration membranes per unit area is increased, the amount of water to be treated increases in proportion to the number of installed hollow fiber filtration membranes, but if the installation density of hollow fiber filtration membranes becomes too high, hollow fiber filtration Since the passage resistance of water for treatment to the center of the membrane bundle increases, it becomes impossible to increase the amount of water for treatment in proportion to the number of installed membranes. On the other hand, if the length of the hollow fiber filtration membrane is increased, the membrane area increases and the amount of water to be treated can be increased, but in this case as well, there is a relationship between the inner diameter of the hollow fiber filtration membrane and the performance of the filtration membrane. Therefore, if the length exceeds a certain length, the flow path resistance inside the hollow fiber filtration membrane becomes rate-determining, making it impossible to increase the amount of water to be treated.
しかしながら、時によっては、大量の用水をできるだけ
コンパクトな中空糸濾過モジュールを用いて処理するこ
とを要請されることがあり、このような場合には、従来
知られていた構造の中空糸濾過モジュールは使用できな
かった。However, there are times when it is required to treat a large amount of water using a hollow fiber filtration module that is as compact as possible, and in such cases, the hollow fiber filtration module with the conventional structure is Couldn't use it.
［発明の目的］
本発明の目的は、上述した問題点を解決する全く新たな
構造を有する。工業的浄水器、に使用するのに適した中
空糸濾過モジュールを提供することにある。[Object of the Invention] The object of the present invention is to have a completely new structure that solves the above-mentioned problems. An object of the present invention is to provide a hollow fiber filtration module suitable for use in an industrial water purifier.
本発明の他の目的は、中空糸濾過膜全体を効率よく利用
し、その結果コンパクトな構成の中空糸濾過モジュール
を提供することにある。Another object of the present invention is to provide a hollow fiber filtration module that efficiently utilizes the entire hollow fiber filtration membrane and has a compact configuration as a result.
［発明の構成］
すなわち、本発明の中空糸濾過モジュールは、多数の中
空糸濾過膜をほぼ直線状に配列し、その両端の開口端を
開口状態を保ったまま固定部材を介して環状部材の内面
に集束固定した濾過部材に、該濾過部材の一方の開口端
に濾液を収集する温液集合室が付設され、該濾液集合室
内の濾液を他方の開口端からの濾液と合流させるための
濾液配管が配設されて構成される。[Structure of the Invention] That is, the hollow fiber filtration module of the present invention arranges a large number of hollow fiber filtration membranes in a substantially straight line, and connects the annular member through a fixing member while keeping both open ends of the membranes open. A hot liquid collection chamber for collecting filtrate is attached to one open end of the filtration member that is focused and fixed on the inner surface, and a filtrate for combining the filtrate in the filtrate collection chamber with the filtrate from the other open end. It is constructed by installing piping.
［発明を実施するための好適な態様］
以下、本発明の中空糸濾過モジュールにつき図面を参照
しつつより詳細に説明する。[PREFERRED EMBODIMENTS FOR CARRYING OUT THE INVENTION] Hereinafter, the hollow fiber filtration module of the present invention will be described in more detail with reference to the drawings.
第１図は、本発明の中空糸濾過モジュールの一態様例を
示す一部欠截平面図模式図である。FIG. 1 is a partially cutaway schematic plan view showing an example of one embodiment of the hollow fiber filtration module of the present invention.
本発明の中空糸濾過モジュールは、基本的には環状部材
ｌ、固定部材２および中空糸濾過膜３とからなる濾過部
材と、濾液集合室４を形成する仕切り部材５と、濾液配
管６とから構成される。これらに加え、所望により支持
部材７等の部材が付設されてもよい。The hollow fiber filtration module of the present invention basically includes a filtration member consisting of an annular member 1, a fixing member 2, and a hollow fiber filtration membrane 3, a partition member 5 forming a filtrate collection chamber 4, and a filtrate pipe 6. configured. In addition to these, members such as the support member 7 may be attached as desired.
環状部材１は、浄水器内に中空糸濾過モジュールを設置
するに際して該モジュール全体を支持するための支持部
材として機能するものであり、基本的にはリング状の形
状を有するが、矩形等の断面形状のものでもよく、また
その外周面の形状に関しては、浄水器中の該モジュール
の設置態様等に合わせて種々の形状をとり得る。もう一
方の環状部材１′は、濾液集合室４を形成するための支
持部材として機能する。これら環状部材ｉ、ｔ’の内面
には、それぞれ中空糸濾過膜３を固定し、かつこれを濾
過膜として機能させるために浄化すべき水と浄化された
水との仕切り部材として機能する固定部材２が接合され
る。固定部材２には、多数の中空糸濾過膜３がそれぞれ
の開口端を開口状態を保ったままほぼ直線状に集束して
固定されている。固定部材２は、ポリウレタン、エポキ
シ樹脂、不飽和ポリエステル樹脂、シリコン樹脂等を用
いるのがよい。The annular member 1 functions as a support member for supporting the entire hollow fiber filtration module when it is installed in a water purifier, and basically has a ring shape, but may have a cross section such as a rectangle. The module may have any shape, and the shape of its outer peripheral surface may take various shapes depending on the manner in which the module is installed in the water purifier. The other annular member 1' functions as a support member for forming the filtrate collection chamber 4. The hollow fiber filtration membrane 3 is fixed to the inner surface of these annular members i and t', respectively, and a fixing member that functions as a partition member between water to be purified and purified water in order to function as a filtration membrane. 2 are joined. A large number of hollow fiber filtration membranes 3 are fixed to the fixing member 2 in a substantially linear manner with their respective open ends kept open. The fixing member 2 is preferably made of polyurethane, epoxy resin, unsaturated polyester resin, silicone resin, or the like.
本発明の中空糸濾過モジュールは、このような環状部材
１，１′、固定部材２および中空糸濾過膜３とからなる
濾過部材の一方の環状部材１′に仕切り部材５が固着さ
れ、この仕切り部材５により濾液を収集する濾液集合室
４が形成される。そして、濾液集合室４内に収集された
濾液を送液し。In the hollow fiber filtration module of the present invention, a partition member 5 is fixed to one annular member 1' of a filtration member consisting of such annular members 1, 1', a fixing member 2, and a hollow fiber filtration membrane 3. The member 5 forms a filtrate collection chamber 4 for collecting filtrate. Then, the collected filtrate is sent into the filtrate collecting chamber 4.
もう一方の中空糸濾過１１３の開口端からの濾液と合流
させるための濾液配管６が、二つの固定部材２内のそれ
ぞれのほぼ中央部を通過して配設されている。濾液配管
６は、二つの環状部材１．１′を一体化固定して中空糸
濾過モジュールを形成する接合部材としても機能してい
る。１１！液配管６は複数個設けてもよい、また、第１
図のように円筒状の支持部材７を設け、中空糸濾過膜３
の保護と不必要な乱れを防ぐ機能を発揮させ、更には二
つの環状部材１．１’を一体化する機能を分担させても
よい、支持部材７が円筒状のものとして形成される場合
には給水口８が設けられる必要がある。A filtrate pipe 6 for joining the filtrate from the open end of the other hollow fiber filtration 113 is disposed to pass through approximately the center of each of the two fixing members 2. The filtrate pipe 6 also functions as a joining member that integrally fixes the two annular members 1.1' to form a hollow fiber filtration module. 11! A plurality of liquid pipes 6 may be provided, or the first
As shown in the figure, a cylindrical support member 7 is provided, and the hollow fiber filtration membrane 3
In the case where the support member 7 is formed as a cylindrical member, the support member 7 has the function of protecting the ring and preventing unnecessary disturbance, and may also share the function of integrating the two annular members 1.1'. It is necessary to provide a water supply port 8.
また、二つの環状部材１．１’とこの円筒状の支持部材
７、更には仕切り部材５とを一体化して形成することも
可能である。支持部材７は、円筒状以外にも、例えば複
数本め円柱等、種々の態様をとることが可能である。It is also possible to form the two annular members 1.1', this cylindrical support member 7, and even the partition member 5 in one piece. The support member 7 can take various forms other than a cylindrical shape, such as a plurality of cylinders, for example.
このような構造を有する本発明の中空糸濾過モジュール
は、特に固定部材２中に濾液配管６を設置することによ
り、濾過液の集水口は濾液集合室４が設けられていない
中空糸濾過膜３の開口端面にモジュール当り一箇所でよ
く、多本数の中空糸濾過モジュールを組込んだ中空糸濾
過モジュールユニットの中空糸濾過モジュールとの接続
部を半分にすることができる。更に、一般に中空糸濾過
膜の場合、中空糸濾過膜の内径と濾過膜の透過性能との
関係により、長さが長くなる程中空糸濾過膜が木来有す
る透過性能を現出、できなくなる。In the hollow fiber filtration module of the present invention having such a structure, the filtrate piping 6 is particularly installed in the fixing member 2, so that the filtrate collection port is connected to the hollow fiber filtration membrane 3 where the filtrate collection chamber 4 is not provided. Only one connection per module is required on the open end surface of the hollow fiber filtration module, and the number of connections to the hollow fiber filtration module of a hollow fiber filtration module unit incorporating a large number of hollow fiber filtration modules can be halved. Furthermore, in the case of hollow fiber filtration membranes, in general, due to the relationship between the inner diameter of the hollow fiber filtration membrane and the permeation performance of the filtration membrane, the longer the length, the less the hollow fiber filtration membrane can exhibit the permeation performance that it naturally has.
すなわち、通常の平膜では、透過膜の面積が例えば２倍
になれば、同一の操作条件下では透過量も２倍になる。That is, in a normal flat membrane, if the area of the permeable membrane is doubled, for example, the amount of permeation will be doubled under the same operating conditions.
しかしながら、中空糸濾過膜の場合には、その形態（内
径）と透過性能との関係によって異るが、例えば膜面積
が２倍になっても透過量は２倍にならず低下する。この
低下する度°合は、長さが長くなる程大きくなる。第１
図の例のように直線状の中空糸濾過膜３の両端を開口状
態とすれば、同じ長さで一端が封止された中空糸濾過膜
を使用したものに比べると、中空糸濾過膜の圧損に寄与
する長さは半分になり、それだけ単位膜面積当りの透過
量を増加させることができる。However, in the case of hollow fiber filtration membranes, for example, even if the membrane area doubles, the amount of permeation does not double, but decreases, although it depends on the relationship between its form (inner diameter) and permeation performance. The degree of this decrease increases as the length increases. 1st
If both ends of the linear hollow fiber filtration membrane 3 are open as shown in the example in the figure, compared to a hollow fiber filtration membrane of the same length with one end sealed, the hollow fiber filtration membrane 3 The length contributing to pressure loss is halved, and the amount of permeation per unit membrane area can be increased accordingly.
更に、直線状に配列した中空糸濾過膜３に適度の緩みを
持たれば、濾過部の中空糸濾過膜３相互に対し適度な間
隔をあけることもでき、被処理液が中空糸濾過モジュー
ルの中央部に位置する中空糸濾過膜３まで流れやすくな
り、結果として中空糸濾過モジュールを構成する中空糸
濾過膜３全体を均一かつ効率よく使用することができる
。Furthermore, if the hollow fiber filtration membranes 3 arranged in a straight line have an appropriate amount of slack, it is possible to leave an appropriate distance between the hollow fiber filtration membranes 3 in the filtration section, so that the liquid to be treated can flow through the hollow fiber filtration module. It becomes easier to flow to the hollow fiber filtration membrane 3 located in the center, and as a result, the entire hollow fiber filtration membrane 3 constituting the hollow fiber filtration module can be used uniformly and efficiently.
したがって、このような構造を有する本発明の中空糸濾
過モジュールは、構成する中空糸濾過膜全体を効率よく
利用し、その結果とじてモジュールユニットの設置面積
が最小限度ですむコンパクトな中空糸濾過モジュールを
提供することができる。Therefore, the hollow fiber filtration module of the present invention having such a structure efficiently utilizes the entire constituent hollow fiber filtration membrane, resulting in a compact hollow fiber filtration module that minimizes the installation area of the module unit. can be provided.
本発明の中空糸濾過モジュールを構成する部材としての
環状部材、濾液配管、並びに所望により付設される支持
部材、中空糸サポート部材等は、機械的強度および耐久
性を有するような材料であればどのような材料でも使用
できるが、使用後焼却処理が必要な場合には、焼却によ
り有害ガスを出さずに完全燃焼させることのできる炭化
水素系の樹脂からなるものであることが好ましく、ポリ
カーボネート、ポリスチレン、ＡＢＳ樹脂等が特に好ま
しい。The annular member, filtrate piping, support members attached as desired, hollow fiber support members, etc. that constitute the hollow fiber filtration module of the present invention may be made of any material as long as it has mechanical strength and durability. However, if it is necessary to incinerate it after use, it is preferable to use a hydrocarbon-based resin that can be completely combusted without emitting harmful gases, such as polycarbonate or polystyrene. , ABS resin, etc. are particularly preferred.
本発明の中空糸濾過モジュールに於ける中空糸濾過膜３
としては、種々のものが使用でき、例えばセルロース系
、ポリオレフィン系、ポリスルホン系、ポリビニルアル
コール系、ＰＭＭＡ系等の各種材料からなる中空糸濾過
膜が使用できる。しかし耐久性に優れ、かつ濾過性能に
優れたものとしては、ポリオレフィン系の多孔質中空糸
膜が挙げられる。その中でも、微細なコロイド状物を濾
過するのに好適であり、濾過膜の目詰まりに対する機能
回復操作として通常用いられる逆洗時にかかる外力に対
して耐えられるような膜が特に好−ましく用いられ、こ
のような中空糸膜の例としては、例えばポリエチレン中
空糸膜（ポリエチレン中空糸ＥＨＦ、商品名、三菱レイ
ヨン−製）が挙げられる。Hollow fiber filtration membrane 3 in the hollow fiber filtration module of the present invention
Various materials can be used as the filter, such as hollow fiber filtration membranes made of various materials such as cellulose, polyolefin, polysulfone, polyvinyl alcohol, and PMMA. However, polyolefin porous hollow fiber membranes have excellent durability and filtration performance. Among these, membranes that are suitable for filtering fine colloidal substances and that can withstand external forces applied during backwashing, which is usually used as a function recovery operation for clogging of filtration membranes, are particularly preferred. Examples of such hollow fiber membranes include polyethylene hollow fiber membranes (Polyethylene Hollow Fiber EHF, trade name, manufactured by Mitsubishi Rayon).
［本発明の効果］
このように本発明の中空糸濾過モジュールによれば、構
成する中空糸濾過膜の利用効率が高く、モジュールユニ
ットの構造が簡単であり、組立て加工が容易な中空糸濾
過モジュールを提供することができ、その結果として中
空糸濾過モジュールユニットのコンパクトが図れ、その
設置面積の節減が可能となり、更に構造面、組立て加工
面で経済的な工業性の高い的な浄水器を提供することが
できる。[Effects of the present invention] As described above, according to the hollow fiber filtration module of the present invention, the utilization efficiency of the hollow fiber filtration membranes constituting the module is high, the structure of the module unit is simple, and the hollow fiber filtration module is easy to assemble. As a result, the hollow fiber filtration module unit can be made more compact and its installation area can be reduced, and it also provides a highly industrial water purifier that is economical in terms of structure and assembly process. can do.
第１図は、本発明の中空糸濾過モジュールの一態様例を
示す一部欠截平面図模式図である。
１．１′：環状部材 ２：固定部材
３：中空糸濾過膜 ４：濾液集合室
５：仕切り部材 ６：＠液配管
７：支持部材 ８：給水口
特許出願人 三菱レイヨン株式会社FIG. 1 is a partially cutaway schematic plan view showing an example of one embodiment of the hollow fiber filtration module of the present invention. 1.1': Annular member 2: Fixed member 3: Hollow fiber filtration membrane 4: Filtrate collecting chamber 5: Partition member 6: @Liquid piping 7: Supporting member 8: Water inlet Patent applicant Mitsubishi Rayon Co., Ltd.
Claims (1)
端の開口端を開口状態を保ったまま固定部材を介して環
状部材の内面に集束固定した濾過部材に、該濾過部材の
一方の開口端に濾液を収集する温液集合室が付設され、
該濾液集合室内の濾液を他方の開口端からの濾液と合流
させるための濾液配管が配設されてなる中空糸濾過モジ
ュール。l) A large number of hollow fiber filtration membranes are arranged in a substantially straight line, and one of the filtration members is fixed to the inner surface of an annular member through a fixing member while keeping both open ends open. A hot liquid collection chamber is attached to the open end of the chamber to collect the filtrate.
A hollow fiber filtration module including a filtrate pipe for making the filtrate in the filtrate collecting chamber join the filtrate from the other open end.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057284A JPS60244306A (en) | 1984-05-21 | 1984-05-21 | Hollow yarn filter module |
| DE8585106215T DE3560858D1 (en) | 1984-05-21 | 1985-05-21 | Hollow-fiber filter module |
| US90/002761A US4720342B1 (en) | 1984-05-21 | 1985-05-21 | Hollow-fiber filter module with filtrate conduit |
| EP85106215A EP0162446B2 (en) | 1984-05-21 | 1985-05-21 | Hollow-fiber filter module |
| US90/002762A US4781832B1 (en) | 1984-05-21 | 1987-06-05 | Hollow-fiber filter module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057284A JPS60244306A (en) | 1984-05-21 | 1984-05-21 | Hollow yarn filter module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60244306A true JPS60244306A (en) | 1985-12-04 |
| JPH0438446B2 JPH0438446B2 (en) | 1992-06-24 |
Family
ID=14277615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10057284A Granted JPS60244306A (en) | 1984-05-21 | 1984-05-21 | Hollow yarn filter module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60244306A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01222765A (en) * | 1988-03-01 | 1989-09-06 | Ube Ind Ltd | Module for bacterial cell concentration and separation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206405A (en) * | 1984-03-31 | 1985-10-18 | Nippon Atom Ind Group Co Ltd | Hollow yarn membrane filter apparatus |
-
1984
- 1984-05-21 JP JP10057284A patent/JPS60244306A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206405A (en) * | 1984-03-31 | 1985-10-18 | Nippon Atom Ind Group Co Ltd | Hollow yarn membrane filter apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01222765A (en) * | 1988-03-01 | 1989-09-06 | Ube Ind Ltd | Module for bacterial cell concentration and separation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438446B2 (en) | 1992-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |