JPS6328498A - Module for liquid treatment device - Google Patents
Module for liquid treatment deviceInfo
- Publication number
- JPS6328498A JPS6328498A JP61172511A JP17251186A JPS6328498A JP S6328498 A JPS6328498 A JP S6328498A JP 61172511 A JP61172511 A JP 61172511A JP 17251186 A JP17251186 A JP 17251186A JP S6328498 A JPS6328498 A JP S6328498A
- Authority
- JP
- Japan
- Prior art keywords
- porous material
- module
- module according
- porous materials
- corrugated
- 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
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 238000011282 treatment Methods 0.000 title abstract description 9
- 239000011148 porous material Substances 0.000 claims abstract description 54
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 239000002759 woven fabric Substances 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 9
- 239000012784 inorganic fiber Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 abstract description 7
- 244000005700 microbiome Species 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000000969 carrier Substances 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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〕
本発明は液処理装置用モジュールに係り、特に固定床型
下廃水ｆｆｉ埋装置のための微生物固定担体モジュール
として好適な液処理装置用モジュールに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a module for a liquid treatment device, and particularly relates to a module for a liquid treatment device suitable as a microbial immobilization carrier module for a fixed-bed sub-wastewater FFI burial device. .
［従来の技術］
近年、医薬品やアルコール等の製造あるいは各種産業廃
水、生活廃水の処理プロセス等において、バイオリアク
ターを用いた生物反応が広く採用されるようになってき
た。バイオリアクターによる反応は、通常、反応槽中に
微生物ないし酵素を固定化した固定化微生物ないし固定
化酵素を充填するか、あるいは、反応槽内にこれ等を分
散させると共に流動させ、被処理水と接触させて行なっ
ている。前者の方式は固定床式と呼ばれ、処理性能の安
定性が高い、起動が容易、装置が比較的コンパクトであ
る等の特長を有し、更にこれらの特長により、システム
の維持管理が容易である等の利点を有している。[Prior Art] In recent years, biological reactions using bioreactors have been widely adopted in the production of pharmaceuticals, alcohol, etc., and in the treatment processes of various industrial wastewaters and domestic wastewaters. Reactions using bioreactors are usually carried out by filling a reaction tank with immobilized microorganisms or enzymes, or by dispersing them and flowing them into the reaction tank, and then mixing them with the water to be treated. This is done by making contact. The former method is called a fixed bed type, and has features such as high stability in processing performance, easy startup, and relatively compact equipment.These features also make the system easy to maintain and manage. It has certain advantages.
従来、固定床で用いられる担体としては、多孔性セラミ
ック焼結体のビーズないし破砕片、粒状活性炭、発泡ウ
レタン等の高分子多孔体等が知られている。Conventionally, known carriers used in fixed beds include beads or crushed pieces of porous ceramic sintered bodies, granular activated carbon, and porous polymer bodies such as urethane foam.
［発明が解決しようとする問題点］
上記従来の担体を充填した固定床においては、反応によ
って発生するＣＯ２、ＣＨ４等の気体が、担体ないしは
担体間の隙間に滞留し易く、そのために基盤と微生物な
いし酵素との接触が妨げられて所期の反応が起きなくな
る場合があり、処理効率低下の大きな原因となっている
。[Problems to be Solved by the Invention] In the above-mentioned conventional fixed bed filled with carriers, gases such as CO2 and CH4 generated by the reaction tend to stay in the carrier or in the gaps between the carriers. Otherwise, the desired reaction may not occur due to interference with the enzyme, which is a major cause of a decrease in processing efficiency.
また、担体間の空間には難分解性物質や微生物フロック
等が詰り易く、このため、被処理液と担体との接触効率
が低下することが多い。更に、高分子多孔体よりなる担
体を充填したものにおいては、充填層が高くなると担体
の自重で下層の担体は押しつぶされ、このため、被処理
液の通過が困難になるという不都合もある。Furthermore, the spaces between the carriers are likely to be clogged with persistent substances, microbial flocs, etc., and as a result, the contact efficiency between the liquid to be treated and the carriers is often reduced. Furthermore, in the case of a carrier filled with a porous polymer material, when the height of the packed layer becomes high, the carrier in the lower layer is crushed by the carrier's own weight, which makes it difficult for the liquid to be treated to pass through.
［問題点を解決するための手段］
本発明は、上記従来の問題点、即ち、発生ガスの抜けの
悪さ、固定床の閉塞あるいは担体の自重による変形によ
る通液不良等を解決し、効率的な処理を可能とする液処
理装置用モジュールを）１供するものであって、
波板状多孔質材及び平板状多孔質材を積層することによ
って、互いに平行な通液部が多数形成されてなることを
特徴とする液処理装置用モジュール、
を要旨とするものである。[Means for Solving the Problems] The present invention solves the above-mentioned conventional problems, such as poor release of generated gas, poor liquid flow due to clogging of the fixed bed, or deformation of the carrier due to its own weight, and achieves efficient This module provides a module for a liquid processing device that enables various treatments, and is formed by laminating a corrugated porous material and a flat porous material to form a large number of mutually parallel liquid passage parts. A module for a liquid processing device characterized by the following.
［作用］
本発明のモジュールにおいては、波板状多孔質材と平板
状多孔質材とによって、互いに平行な通液部が形成され
ているため、反応によって生じたガスは担体によって妨
げられることなく抜は出すことができ、また、同様に被
処理液も容易に通過し、閉塞が生じる恐れは殆どない。[Function] In the module of the present invention, the corrugated porous material and the flat porous material form liquid passage sections parallel to each other, so that the gas generated by the reaction is not hindered by the carrier. The drain can be taken out, and the liquid to be treated can also pass through easily, so there is little risk of clogging.
また、波板状多孔質材と平板状多孔質材との併用により
、その剛性が高められ、自重による変形が防止される。Further, by using the corrugated porous material and the flat porous material in combination, the rigidity is increased and deformation due to its own weight is prevented.
［実施例コ
以下に図面を参照して本発明の実施例を詳細に説明する
。[Embodiments] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
第１図及び第２図は、それぞれ本発明の液処理装置用モ
ジュールの一例を示す斜視図である。FIG. 1 and FIG. 2 are perspective views each showing an example of a module for a liquid processing apparatus according to the present invention.
図示の如く、本発明のモジュール１は波板状多孔質材２
及び平板状多孔質材３とを積層することによって、互い
に平行な通液部４が多数形成されてなるものである。As shown in the figure, the module 1 of the present invention includes a corrugated porous material 2
A large number of liquid passage portions 4 parallel to each other are formed by stacking the liquid passage portions 4 and the flat porous material 3.
即ち、第１図に示す例においては、波板状多孔質材２と
平板状多孔質材３とが一方向に交互に積層され、更にそ
の積層方向の側面に平板状多孔質材を設け、直方体型の
モジュール内に多数の通液部４を形成している。That is, in the example shown in FIG. 1, the corrugated porous material 2 and the flat porous material 3 are alternately laminated in one direction, and the flat porous material is further provided on the side surface in the lamination direction. A large number of liquid passage portions 4 are formed within the rectangular parallelepiped module.
また、第２図に示す例においては、１枚の波板状多孔質
材２と１枚の平板状多孔質材３とを積層して巻き込み、
更に最外部に平板状多孔質材を巻いて、円柱型のモジュ
ール内に多数の通液部４を形成している。In the example shown in FIG. 2, one corrugated porous material 2 and one flat porous material 3 are laminated and rolled,
Further, a flat porous material is wrapped around the outermost part to form a large number of liquid passage parts 4 within the cylindrical module.
本発明において、これらの波板状多孔質材２又は平板状
多孔質材３の厚さには特に制限はないが、薄過ぎる場合
にはその材質によっては強度が不足することがあり、ま
た逆に厚過ぎる場合には厚み方向の中央部では微生物や
酵素の固定が困難になり易いと共に、モジュール全体の
大きさが犬きくなりコンパクト化に不利である。このた
め、これらの多孔質材の厚さは、通常０．５〜４ｍｍ程
度とするのが好ましい。In the present invention, there is no particular restriction on the thickness of the corrugated porous material 2 or the flat porous material 3, but if it is too thin, the strength may be insufficient depending on the material, and vice versa. If it is too thick, it becomes difficult to immobilize microorganisms and enzymes in the central part in the thickness direction, and the overall size of the module becomes large, which is disadvantageous for compactization. Therefore, the thickness of these porous materials is preferably approximately 0.5 to 4 mm.
しかして、隣接する波板状多孔質材２と平板状多孔質材
３との間隔の最大値（第１図のＡ）は被処理液の通液効
率、担持物質との接触効率、モジュール容積等を勘案し
た場合、１〜２０ｍｍ程度とするのが好ましい。Therefore, the maximum value of the distance between the adjacent corrugated porous material 2 and the flat porous material 3 (A in Figure 1) is determined by the flow efficiency of the liquid to be treated, the contact efficiency with the supported substance, and the module volume. Taking these factors into consideration, it is preferable to set it to about 1 to 20 mm.
また、同様の観点から、波板状多孔質材２の波形ピッチ
は０．５〜２０ｍｍ程度であることが好ましい。Further, from the same viewpoint, the corrugated pitch of the corrugated porous material 2 is preferably about 0.5 to 20 mm.
波板状多孔質材又は平板状多孔質材の材質としては、有
機繊維又は無機繊維が挙げられ、具体的には、有ｍ 繊
維としてポリビニル繊維等が、また、無機繊維として平
均直径５〜２０μ゛ｍのガラス繊維等が挙げられる。こ
れら有機繊維及び無機繊維は混合して用いても良い。Examples of the material of the corrugated porous material or the flat porous material include organic fibers or inorganic fibers, specifically, polyvinyl fibers etc. are used as organic fibers, and inorganic fibers with an average diameter of 5 to 20 μm are used. Examples include glass fibers of . These organic fibers and inorganic fibers may be used in combination.
本発明において、多孔質材は、このような有機繊維及び
／又は無機繊維の織布、不織布のいずれでも良いが、微
小空間で大面積の担持表面を有することから不織布を用
いるのが好ましい。In the present invention, the porous material may be either a woven fabric or a nonwoven fabric made of such organic fibers and/or inorganic fibers, but it is preferable to use a nonwoven fabric because it has a large supporting surface in a small space.
本発明のモジュールにおいて、多孔質材を不織布とする
場合には、有機及び／又は無機物質の繊維からなる不織
布シートを、必要に応じて有機又は無機物質の結合剤（
バインダー）で固めて所望の形状に成形して、これを適
当に積層することにより、容易にモジュールを製造する
ことができる。In the module of the present invention, when a nonwoven fabric is used as the porous material, a nonwoven fabric sheet made of fibers of an organic and/or inorganic substance may be used with an organic or inorganic binder (
A module can be easily manufactured by hardening with a binder), molding into a desired shape, and laminating them appropriately.
本発明において、多孔質材としてガラス繊維の不織布を
用いた場合には、多孔質材は担持効率が高い上に、十分
な剛性を有しかつ軽量なものであるため、自重による変
形がより確実に防止され、担体として極めて良好なもの
が得られる。In the present invention, when a glass fiber nonwoven fabric is used as the porous material, the porous material has a high supporting efficiency, has sufficient rigidity, and is lightweight, so deformation due to its own weight is more secure. Therefore, an extremely good carrier can be obtained.
なお、このような本発明のモジュールは、第３図及び第
４図に示すような電体５内に多孔質材が収納された構成
とすることもできる。この場合には、反応槽中に電体人
モジュールを積層して用いるようにすることにより、多
孔質材の変形が更に確実に防止され、また装置に設置し
たモジュールの交換作業も容易となるという効果も奏さ
れる。Incidentally, such a module of the present invention may also have a structure in which a porous material is housed within the electric body 5 as shown in FIGS. 3 and 4. In this case, by stacking electrical modules in the reaction tank, deformation of the porous material can be more reliably prevented, and it is also easier to replace the modules installed in the equipment. The effect is also produced.
なお、第３図及び第４図は、各々、第１図及び第２図に
示す形状の多孔質材の積層体の収納に好適な電体５の例
を示す斜視図であフて、内部に収められた多孔質材は省
略しである。3 and 4 are perspective views showing an example of the electric body 5 suitable for storing the porous material laminate having the shape shown in FIGS. 1 and 2, respectively. The porous material housed in is omitted.
このような電体５の材質としては特に制限はないが、通
常、ポリビニル、ポリエチレン等の樹脂が好ましい。ま
た、籠の網のピッチは５〜５０ｍｍが適当であり、網目
の形状としては菱形、正方形、亀甲形等の何れでも良い
。Although there are no particular restrictions on the material of the electric body 5, resins such as polyvinyl and polyethylene are usually preferred. Further, the pitch of the mesh of the basket is suitably 5 to 50 mm, and the shape of the mesh may be any one of rhombus, square, hexagonal shape, etc.
本発明のモジュールは、微生物の担持効率が良く、しか
もガス抜き、通液も良好に行なうことができるため、効
率的な液処理を可能とする。The module of the present invention has a high microbial loading efficiency and can also perform gas degassing and liquid passage well, thereby enabling efficient liquid treatment.
なお、上述したモジュールは本発明の一例であって、本
発明のモジュールは、何ら上記のものに限定されるもの
ではない。Note that the above-mentioned module is an example of the present invention, and the module of the present invention is not limited to the above-mentioned module at all.
例えば、波板状多孔質材の波形は、第１図及び第２図に
示すような断面正弦波形のものに限られず、所定形状の
ものがくり返されているものであれば良く、例えば断面
長方形、断面正方形、断面三角形、断面半円形等、あら
ゆる波形状の波板を用いることができる。For example, the waveform of the corrugated porous material is not limited to a sinusoidal waveform in cross section as shown in FIGS. It is possible to use a corrugated plate having any wave shape, such as rectangular, square in cross section, triangular in cross section, or semicircular in cross section.
また、波板状多孔質材と平板状多孔質材との積層方法も
、第１図及び第２図に示すものに限られず、積層により
、互いに平行な通液部が多数形成されるようなものであ
れば、積層枚数や積層方向等において、あらゆる変形例
を採用することができる。Furthermore, the method of laminating the corrugated porous material and the flat porous material is not limited to the method shown in FIGS. Any modification may be adopted in terms of the number of layers, the direction of lamination, etc.
［発明の効果］
以上詳述した通り、本発明の液処理装置用モジュールは
、波板状多孔質材及び平板状多孔質材を積層することに
よって、互いに平行な通液部が多数形成されてなるもの
であって、反応によって生じるガス抜きが容易で、液通
路の閉塞の恐れが少なく、また変形の心配もない。しか
も、取換交換作業が容易な構成とすることもでき、取扱
い作業性を大幅に向上することができる。[Effects of the Invention] As detailed above, the module for a liquid processing device of the present invention has a large number of mutually parallel liquid passage parts formed by laminating the corrugated porous material and the flat porous material. The gas produced by the reaction can be easily vented, there is little risk of clogging of the liquid passage, and there is no fear of deformation. In addition, it is possible to provide a structure that allows easy replacement work, and the handling workability can be greatly improved.
また、本発明のモジュールは、多孔質材に極めて効果的
に微生物等を固定することができ、しかも所謂包括法に
よる微生物の固定も容易であり、微生物による高効率処
理が可能となる。Furthermore, the module of the present invention can extremely effectively immobilize microorganisms and the like on porous materials, and can also easily immobilize microorganisms by the so-called entrapment method, making it possible to perform highly efficient treatment using microorganisms.
更に、本発明のモジュールは、工業的な大量生産にも適
しており、安価に製造し得る。Furthermore, the module of the present invention is suitable for industrial mass production and can be manufactured at low cost.
従って、本発明のモジュールによれば、液処理効率の向
上、処理コストの低減を図ることが可能となる。Therefore, according to the module of the present invention, it is possible to improve liquid processing efficiency and reduce processing costs.
兎１図及び第２図は、各々、本発明の液処理製蓋用モジ
ュールの実施例を示す斜視図である。第３図及び第４図
は、各々、電体の実施例を示す斜視図である。
１・・・モジュール、 ２・・・波板状多孔質材
、３・・・平板状多孔質材、 ５・・・電体。
代 理 人 弁理士 重 野 剛第１図FIG. 1 and FIG. 2 are perspective views each showing an embodiment of the liquid-treated lid module of the present invention. FIG. 3 and FIG. 4 are perspective views each showing an example of the electric body. DESCRIPTION OF SYMBOLS 1... Module, 2... Corrugated porous material, 3... Flat porous material, 5... Electric body. Agent Patent Attorney Tsuyoshi Shigeno Figure 1
Claims (12)
とによって、互いに平行な通液部が多数形成されてなる
ことを特徴とする液処理装置用モジュール。(1) A module for a liquid processing device, characterized in that a large number of mutually parallel liquid passage portions are formed by laminating a corrugated porous material and a flat porous material.
記載のモジュール。(2) The module according to claim 1, wherein the porous material is a nonwoven fabric.
載のモジュール。(3) The module according to claim 1, wherein the porous material is a woven fabric.
特許請求の範囲第１項ないし第３項のいずれか１項に記
載のモジュール。(4) The module according to any one of claims 1 to 3, wherein the porous material is made of organic fibers and/or inorganic fibers.
第４項に記載のモジュール。(5) The module according to claim 4, wherein the organic fiber is a polyvinyl fiber.
項に記載のモジュール。(6) Claim 4 in which the inorganic fiber is glass fiber
Modules listed in section.
請求の範囲第６項に記載のモジュール。(7) The module according to claim 6, wherein the glass fibers have an average diameter of 5 to 20 μm.
積層されている特許請求の範囲第１項ないし第７項のい
ずれか１項に記載のモジュール。(8) The module according to any one of claims 1 to 7, wherein the corrugated porous material and the flat porous material are laminated inside the cage.
記載のモジュール。(9) The module according to claim 8, wherein the cage is a resin cage.
求の範囲第１項ないし第９項のいずれか１項に記載のモ
ジュール。(10) The module according to any one of claims 1 to 9, wherein the porous material has a thickness of 0.5 to 4 mm.
大値は１〜２０ｍｍである特許請求の範囲第１項ないし
第１０項のいずれか１項に記載のモジュール。(11) The module according to any one of claims 1 to 10, wherein the maximum distance between the corrugated porous material and the flat porous material is 1 to 20 mm.
ｍである特許請求の範囲第１項ないし第１１項のいずれ
か１項に記載のモジュール。(12) The wave pitch of the corrugated porous material is 0.5 to 20 m
12. The module according to any one of claims 1 to 11, wherein the module is m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61172511A JPS6328498A (en) | 1986-07-22 | 1986-07-22 | Module for liquid treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61172511A JPS6328498A (en) | 1986-07-22 | 1986-07-22 | Module for liquid treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6328498A true JPS6328498A (en) | 1988-02-06 |
Family
ID=15943315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61172511A Pending JPS6328498A (en) | 1986-07-22 | 1986-07-22 | Module for liquid treatment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6328498A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH059695U (en) * | 1991-07-26 | 1993-02-09 | 森村興産株式会社 | Filler for wastewater treatment such as septic tanks |
| JPH0731992A (en) * | 1993-06-30 | 1995-02-03 | Takara Kogyo Kk | Filter material |
| JP2012232292A (en) * | 2011-04-18 | 2012-11-29 | Ihi Corp | Absorption tower, and biological deodorization apparatus using the same |
| JP2013517120A (en) * | 2010-01-13 | 2013-05-16 | オーガニツァ ザルトコルエン ムコド レスヴェニャターシャシャーグ （ゼットアールティー．） | Carrier insert for containing and holding a biofilm culture of a fluid cleaning structure |
-
1986
- 1986-07-22 JP JP61172511A patent/JPS6328498A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH059695U (en) * | 1991-07-26 | 1993-02-09 | 森村興産株式会社 | Filler for wastewater treatment such as septic tanks |
| JPH0731992A (en) * | 1993-06-30 | 1995-02-03 | Takara Kogyo Kk | Filter material |
| JP2013517120A (en) * | 2010-01-13 | 2013-05-16 | オーガニツァ ザルトコルエン ムコド レスヴェニャターシャシャーグ （ゼットアールティー．） | Carrier insert for containing and holding a biofilm culture of a fluid cleaning structure |
| US10519054B2 (en) | 2010-01-13 | 2019-12-31 | Organica Zartkoruen Mukodo Reszvenytarsasag | Carrier insert for accommodating and maintaining the biofilm culture of fluid cleaning structures |
| JP2012232292A (en) * | 2011-04-18 | 2012-11-29 | Ihi Corp | Absorption tower, and biological deodorization apparatus using the same |
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