JPH07256267A - Water purifying device - Google Patents
Water purifying deviceInfo
- Publication number
- JPH07256267A JPH07256267A JP5614394A JP5614394A JPH07256267A JP H07256267 A JPH07256267 A JP H07256267A JP 5614394 A JP5614394 A JP 5614394A JP 5614394 A JP5614394 A JP 5614394A JP H07256267 A JPH07256267 A JP H07256267A
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- fiber membrane
- water
- antibacterial agent
- raw water
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、水道の蛇口に取り付け
て、水道の原水を浄化するための浄水器に関し、さらに
詳しくは、上記原水を浄化するための抗菌剤、活性炭及
び中空糸等の水道水処理材を内蔵した着脱自在の浄水器
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purifier which is attached to a faucet of a tap to purify raw water of the tap, and more specifically, an antibacterial agent, activated carbon and hollow fiber for purifying the raw water. The present invention relates to a removable water purifier with a built-in tap water treatment material.
【０００２】[0002]
【従来の技術】近年、水道水等の汚染が問題となってい
る。これは、水道水源の汚染の増大、高層住宅やビル等
にみられる給水タンク、配管の老朽化といったものが原
因と考えられる。このような実状を反映して、よりおい
しくて且つ安全な水を得るために、一般家庭、事務所、
飲食店等において、簡便に使用できる水道水処理装置と
して種々小型の浄水器が一般に使用されている。上記の
浄水器では、通常、活性炭、イオン交換樹脂、分離膜等
の水道水処理材によって、水道水の脱臭、清澄、除菌、
軟水化等の処理がなされている。また、上記浄水器で
は、その処理能力を高いレベルに長時間維持するため
に、定期的に交換する必要があり、その交換を容易に実
行できる浄水器として、処理材自体をカートリッジ化し
たものが汎用されている。2. Description of the Related Art In recent years, pollution of tap water has become a problem. This is thought to be due to increased pollution of tap water sources and deterioration of water supply tanks and pipes found in high-rise houses and buildings. In order to obtain more delicious and safe water, reflecting such circumstances, ordinary households, offices,
Various small water purifiers are generally used as a tap water treatment device that can be easily used in restaurants and the like. In the above water purifier, usually, activated carbon, ion exchange resin, tap water treatment material such as a separation membrane, deodorization, clarification, sterilization of tap water,
Treatment such as water softening is performed. In addition, in the above water purifier, in order to maintain its treatment capacity at a high level for a long time, it is necessary to replace it regularly. It is commonly used.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
ような浄水器、特に活性炭と中空糸膜を併用した浄水器
では、長期間停水した場合、原水中に含まれていた雑菌
が中空糸膜より手前の活性炭表面及び滞留水中で増殖
し、カートリッジ内が汚染されるおそれがある。特開平
４−９４７９１号公報には、活性炭層と中空糸膜モジュ
ールの間に銀イオン担持ゼオライト系固体粒子を配置し
た浄水器が開示されている。しかし、長期間停水した後
の再使用の際の問題解決については、何ら記載も示唆も
ない。本発明はこれらの問題を解決することを目的とす
る。However, in the water purifier as described above, particularly the water purifier in which the activated carbon and the hollow fiber membrane are used together, when the water is stopped for a long period of time, the bacteria contained in the raw water are not contained in the hollow fiber membrane. There is a possibility that the inside of the cartridge may be contaminated by proliferating on the surface of activated carbon in front and in the accumulated water. JP-A-4-94791 discloses a water purifier in which silver ion-supporting zeolite-based solid particles are arranged between an activated carbon layer and a hollow fiber membrane module. However, there is no description or suggestion on how to solve the problem of reuse after long-term water suspension. The present invention aims to solve these problems.
【０００４】[0004]
【課題を解決するための手段】本発明は、複数の中空糸
膜モジュール又は複数のカートリッジを直列に配置し、
さらに最も原水側の中空糸膜モジュールより上流側に抗
菌剤を用いることにより、雑菌及び異物を確実に濾過す
ると共に雑菌が万一侵入しても死滅させることができ
る。また、浄水導出部に抗菌剤を使用する。According to the present invention, a plurality of hollow fiber membrane modules or a plurality of cartridges are arranged in series,
Furthermore, by using an antibacterial agent on the upstream side of the hollow fiber membrane module on the most raw water side, it is possible to reliably filter out foreign bacteria and foreign substances and to kill them even if they enter. Also, an antibacterial agent is used in the purified water outlet.
【０００５】本発明の中空糸膜モジュールは、通常のポ
リオレフィン、ポリエステル、ポリアミド、ポリスルホ
ン等の素材からなるＵ字形の中空糸束を円筒形容器に収
納固定したものである。使用する中空糸膜は特に取扱い
易いポリオレフィン系の多孔質中空糸膜が好ましい。ポ
リオレフィン素材としては、エチレン、プロピレン、４
−メチル−１−ペンテンからなる単量体又は共重合体が
挙げられる。この中空糸膜の空孔率は２０〜９０容量％
が好ましく、また水銀ポロシメータで測定した場合のそ
の平均孔径は０．０１〜５μｍが好ましい。The hollow fiber membrane module of the present invention is one in which a U-shaped hollow fiber bundle made of a usual material such as polyolefin, polyester, polyamide, polysulfone is housed and fixed in a cylindrical container. The hollow fiber membrane used is preferably a polyolefin-based porous hollow fiber membrane which is particularly easy to handle. As polyolefin materials, ethylene, propylene, 4
A monomer or copolymer composed of -methyl-1-pentene may be mentioned. The porosity of this hollow fiber membrane is 20 to 90% by volume.
Is preferable, and its average pore diameter measured by a mercury porosimeter is preferably 0.01 to 5 μm.
【０００６】本発明のカートリッジとは、中空糸膜モジ
ュール、粒状活性炭、抗菌剤層の組合せで構成されたカ
ートリッジを意味する。すなわち、中空糸膜モジュール
と粒状活性炭と抗菌剤層の３要素からなるカートリッ
ジ、中空糸膜モジュールと粒状活性炭層又は抗菌剤層の
２要素からなるカートリッジ、もしくはそれぞれ単独で
カートリッジとしたものでもよい。本発明における浄水
導出部とは、カートリッジ内の水が外気に触れる側の中
空糸膜モジュールから下流の浄水の出口までの部分を意
味する。The cartridge of the present invention means a cartridge composed of a combination of a hollow fiber membrane module, granular activated carbon and an antibacterial agent layer. That is, it may be a cartridge composed of three elements of a hollow fiber membrane module, granular activated carbon and an antibacterial agent layer, a cartridge composed of two elements of a hollow fiber membrane module and a granular activated carbon layer or an antibacterial agent layer, or a cartridge constituted by each alone. The purified water outlet in the present invention means the portion from the hollow fiber membrane module on the side where the water in the cartridge comes into contact with the outside air to the downstream purified water outlet.
【０００７】本発明の抗菌剤層に使用する抗菌剤成分と
しては、銀、亜鉛、銅などの金属を含有する既存の無機
系抗菌剤或いは芳香族エステル、チアゾリン系化合物な
どの既存の有機系抗菌剤を挙げることができる。特に無
機系抗菌剤が好ましい。As the antibacterial agent component used in the antibacterial agent layer of the present invention, an existing inorganic antibacterial agent containing a metal such as silver, zinc or copper, or an existing organic antibacterial agent such as an aromatic ester or a thiazoline compound is used. An agent can be mentioned. Inorganic antibacterial agents are particularly preferable.
【０００８】例えば、無機系抗菌剤として、ＡＩＳ−Ｎ
ＡＺ３２０（商品名、触媒化成工業（株）製、粉末、素
材：ＳｉＯ2 ，Ａｌ2 Ｏ3 ，ＭｇＯ，Ａｇ，Ｚｎ）、Ａ
ＩＳ−ＮＡＣ４１０（商品名、触媒化成工業（株）製、
粉末、素材：ＳｉＯ2 ，Ａｌ 2 Ｏ3 ，ＭｇＯ，Ａｇ，Ｃ
ｕ）、ゼオミック（商品名、品川燃料（株）製、粉末、
素材：銀ゼオライト）、ノバロン（商品名、東亜合成化
学工業（株）製、素材：銀置換無機イオン交換体）、ア
ムテクリーンＺ（商品名、松下アムテック（株）製、粉
末、素材：酸化亜鉛ウィスカ，銀化合物担持ヒドロキシ
アパタイト，Ｃａ10（ＰＯ4 ）6 （ＯＨ）2 ／Ａｇ，Ｚ
ｎＯ）、有機系抗菌剤としては、アモルデンＳＫ−３０
Ｗ（商品名、大和化学工業（株）、粉末、素材：芳香族
エステル）、アモルデンＳＫ−２０００（商品名、大和
化学工業（株）粉末、素材：チアゾリン化合物）が挙げ
られる。For example, as an inorganic antibacterial agent, AIS-N
AZ320 (trade name, manufactured by Catalyst Kasei Kogyo Co., Ltd., powder, raw
Material: SiO2, Al2O3, MgO, Ag, Zn), A
IS-NAC410 (trade name, manufactured by Catalyst Kasei Kogyo Co., Ltd.,
Powder, material: SiO2, Al 2O3, MgO, Ag, C
u), Zeomic (trade name, manufactured by Shinagawa Fuel Co., Ltd., powder,
Material: silver zeolite), Novalon (trade name, Toa Gosei)
Gaku Kogyo Co., Ltd., material: silver-substituted inorganic ion exchanger),
Mutekurein Z (trade name, manufactured by Matsushita Amtec Co., Ltd., powder
Powder, material: Zinc oxide whisker, hydroxy carrying silver compound
Apatite, CaTen(POFour)6(OH)2/ Ag, Z
nO), as an organic antibacterial agent, Amorden SK-30
W (trade name, Daiwa Chemical Industry Co., Ltd., powder, material: aromatic
Ester), Amorden SK-2000 (trade name, Yamato
Chemical Industry Co., Ltd. powder, material: thiazoline compound)
To be
【０００９】上記の抗菌剤成分の一種又は二種以上を含
むように部材に練り込んだり又はコートしたり、担体に
混合してシート状、ペレット状、粒状、粉末状の抗菌剤
層を形成する。抗菌剤自体がペレット状、シート状、粒
状又は粉状であればそのままの形態で抗菌剤層を形成す
ることができる。An antibacterial agent layer in the form of a sheet, pellets, granules or powder is formed by kneading or coating a member so as to contain one or more of the above antibacterial agent components, or by mixing with a carrier. . If the antibacterial agent itself is in the form of pellet, sheet, granule or powder, the antibacterial agent layer can be formed as it is.
【００１０】上記担体としては、例えばポリオレフィ
ン、ポリエステル、ポリアミド、ポリスルホン等の汎用
熱可塑性樹脂、又はゼオライト、活性炭といった無機
材、又はカオリン、活性白土、ケイ砂、ケイソウ土、タ
ルク、パーライト、ベントナイト等の無機鉱産物が挙げ
られる。Examples of the carrier include thermoplastic resins such as polyolefins, polyesters, polyamides and polysulfones, inorganic materials such as zeolite and activated carbon, kaolin, activated clay, silica sand, diatomaceous earth, talc, perlite and bentonite. Inorganic mineral products are mentioned.
【００１１】抗菌剤成分量は、通常その抗菌力及び安全
性の程度、使用部位に合わせて適宜混入量を定めて使用
することが一般的であるが、０．０１〜２０重量％が好
ましい。例えば、上記のＡＩＳ系、ゼオミック、ノバロ
ン及びアモルデンＳＫ−２０００であれば、その添加量
は０．１〜２．０重量％が好ましい。抗菌剤成分を含有
する固体粒子の場合、その粒子径は中空糸膜の孔径及び
粒状活性炭の粒径から適宜選択することができるが、通
常、０．１μｍ〜６ｍｍが好ましい。The amount of the antibacterial agent component is generally used by appropriately determining the amount to be mixed depending on the degree of antibacterial activity and safety and the site to be used, but 0.01 to 20% by weight is preferable. For example, in the case of the above AIS system, Zeomic, Novalon and Amorden SK-2000, the addition amount thereof is preferably 0.1 to 2.0% by weight. In the case of solid particles containing an antibacterial agent component, the particle size can be appropriately selected from the pore size of the hollow fiber membrane and the particle size of the granular activated carbon, but usually 0.1 μm to 6 mm is preferable.
【００１２】[0012]
【実施例】以下に本発明の実施例を用いて詳しく説明す
る。尚、図中、水の流れを矢印で示した。Embodiments will be described in detail below with reference to embodiments of the present invention. In the figure, the flow of water is indicated by an arrow.
【００１３】実施例１ 図１は本発明の浄水器の一実施例を示す断面図である。
図１において、平均孔径０．３μｍ、空孔率７０％のポ
リプロピレン中空糸膜の端部をポティングした中空糸束
６及び７を内蔵する中空糸膜モジュール１及び２を円筒
形のＡＢＳ製カートリッジ１１内に直列に配置し、その
間を６０メッシュのフィルター９で仕切り標準粒度３２
／６０メッシュの粒状活性炭層５を配置・一体化し、中
空糸膜モジュール１よりさらに原水側にペレット状の抗
菌剤ＡＩＳ−ＮＡＺ３５０（商品名、触媒化学工業
（株）製）で抗菌剤層４を設けた。Embodiment 1 FIG. 1 is a sectional view showing an embodiment of the water purifier of the present invention.
In FIG. 1, hollow fiber membrane modules 1 and 2 containing hollow fiber bundles 6 and 7 having an average pore diameter of 0.3 μm and a porosity of 70% and having potted ends of polypropylene hollow fiber membranes are installed in a cylindrical ABS cartridge 11 They are arranged in series inside and are separated by a filter 9 of 60 mesh between them, with a standard particle size of 32
/ 60 mesh granular activated carbon layer 5 is placed and integrated, and the antibacterial agent layer 4 is formed on the raw water side of the hollow fiber membrane module 1 with the pelletized antibacterial agent AIS-NAZ350 (trade name, manufactured by Catalysis Chemical Industry Co., Ltd.). Provided.
【００１４】原水は原水導入口３から入り、抗菌剤層４
を通り、通水路１０を通って最初の中空糸膜モジュール
１で濾過され、次に粒状活性炭層５通過し、次の中空糸
膜モジュール２で再び濾過され、抗菌剤ＡＩＳ−ＮＡＺ
３２０（商品名、触媒化学工業（株）製、平均粒径２μ
ｍ粉末）を練り込んだ抗菌性樹脂製の浄水導出部８より
浄水を得た。この浄水器を１ヵ月間使用停止した後、再
び通水を開始し、得られた浄水中の細菌、カビ類の有無
を通常の寒天培養法で検査したところ、実質的に細菌、
カビ類は検出されなかった。また、その浄水に異臭はな
く、抗菌剤の溶出もなかった。Raw water enters through the raw water inlet 3 and the antibacterial agent layer 4
Through the water passage 10, first through the hollow fiber membrane module 1, then through the granular activated carbon layer 5, and then through the next hollow fiber membrane module 2, again through the antibacterial agent AIS-NAZ.
320 (trade name, manufactured by Catalyst Chemical Industry Co., Ltd., average particle size 2μ
(m powder) was kneaded in to obtain purified water from the purified water derivation section 8 made of an antibacterial resin. After stopping the use of this water purifier for one month, water was restarted and the presence of bacteria and mold in the resulting purified water was examined by a normal agar culture method.
No mold was detected. In addition, the purified water had no offensive odor and no elution of the antibacterial agent.
【００１５】実施例２ 図２は本発明の浄水器の一実施例を示す断面図である。
図２において、実施例１と同様の素材を用いた。原水側
に中空糸束１７を内蔵した中空糸膜モジュール１６より
原水側に抗菌剤層１５を設けたカートリッジ１２を設置
し、次のカートリッジとして、抗菌剤層１５の代わりに
粒状活性炭層１９を内蔵したカートリッジ１３をカート
リッジ１２の導出部２５とカートリッジ１３の導入部２
６とを導水管２４で連結した。Embodiment 2 FIG. 2 is a sectional view showing an embodiment of the water purifier of the present invention.
In FIG. 2, the same material as in Example 1 was used. A cartridge 12 having an antibacterial agent layer 15 provided on the raw water side of a hollow fiber membrane module 16 having a hollow fiber bundle 17 on the raw water side is installed, and a granular activated carbon layer 19 is incorporated instead of the antibacterial agent layer 15 as the next cartridge. The cartridge 13 that has been installed is connected to the lead-out portion 25 of the cartridge 12 and the lead-in portion 2
6 was connected with a water conduit 24.
【００１６】原水は原水導入口１４から入り、抗菌剤層
１５を通り、通水路１８から中空糸膜モジュール１６に
入り、導出部２５、導水管２４を通って導入部２６から
次のカートリッジ１３に入り、粒状活性炭層１９、通水
路２２を通って中空糸膜モジュール２０に入り、中空糸
束２１で濾過され抗菌性樹脂製の浄水導出部２３から浄
水として得られる。この浄水器を１ヵ月間使用停止した
後、再び通水を開始し、得られた浄水中の細菌、カビ類
の有無を通常の寒天培養法で検査したところ、実質的に
細菌、カビ類は検出されなかった。また、その浄水に異
臭はなく、抗菌剤の溶出もなかった。Raw water enters through the raw water inlet port 14, passes through the antibacterial agent layer 15, enters the hollow fiber membrane module 16 through the water passage 18, passes through the outlet portion 25 and the water conduit 24, and then passes through the inlet portion 26 to the next cartridge 13. It enters the hollow fiber membrane module 20 through the granular activated carbon layer 19 and the water passage 22, is filtered by the hollow fiber bundle 21, and is obtained as purified water from the purified water outlet 23 made of antibacterial resin. After stopping the use of this water purifier for one month, water was restarted and the presence or absence of bacteria and molds in the obtained purified water was tested by a normal agar culture method. Not detected. In addition, the purified water had no offensive odor and no elution of the antibacterial agent.
【００１７】[0017]
【発明の効果】本発明の構成を採ることにより、雑菌、
異物等を確実に濾過し、また、原水側、浄水導出部に抗
菌剤を用いることにより、長期間停水した場合でも、浄
水器中を雑菌による汚染から防止することができる。By adopting the constitution of the present invention, various bacteria,
By reliably filtering foreign substances and using an antibacterial agent on the raw water side and the purified water outlet, it is possible to prevent contamination of the inside of the water purifier with bacteria even when the water is stopped for a long time.
【図１】本発明の浄水器の断面図である。FIG. 1 is a sectional view of a water purifier of the present invention.
【図２】本発明の浄水器の断面図である。FIG. 2 is a cross-sectional view of the water purifier of the present invention.
１、２、１６、２０ 中空糸膜モジュール ６、７、１７、２１ 中空糸束 ４、１５ 抗菌剤層 ５、１９ 粒状活性炭層 ９ フィルター １１、１２、１３ カートリッジ ３、１４ 原水導入口 １０、１８、２２ 通水路 ８、２３ 浄水導出部 ２４ 導水管 ２５ 導出部 ２６ 導入部 1, 2, 16, 20 Hollow fiber membrane module 6, 7, 17, 21 Hollow fiber bundle 4, 15 Antibacterial agent layer 5, 19 Granular activated carbon layer 9 Filter 11, 12, 13 Cartridge 3, 14 Raw water inlet 10, 18 , 22 water passages 8, 23 water purification outlet 24 water conduit 25 outlet 26 inlet
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０２Ｆ 1/50 Ｕ ５３２ Ｂ ５４０ Ｃ Ｄ Ｆ ５５０ Ｂ ５６０ Ｂ Ｅ 1/28 Ｒ 1/44 Ｂ 9153−4Ｄ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 6 Identification code Office reference number FI Technical display location C02F 1/50 U 532 B 540 C D F 550 B 560 B E 1/28 R 1/44 B 9153 -4D
Claims (2)
ートリッジを直列に配置し、かつ最も原水側の中空糸膜
モジュールより上流側に抗菌剤を用いたことを特徴とす
る浄水器。1. A water purifier in which a plurality of hollow fiber membrane modules or a plurality of cartridges are arranged in series, and an antibacterial agent is used on the upstream side of the hollow fiber membrane module on the most raw water side.
とした請求項１記載の浄水器。2. The water purifier according to claim 1, wherein an antibacterial agent is used in the water purification outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5614394A JPH07256267A (en) | 1994-03-25 | 1994-03-25 | Water purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5614394A JPH07256267A (en) | 1994-03-25 | 1994-03-25 | Water purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07256267A true JPH07256267A (en) | 1995-10-09 |
Family
ID=13018864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5614394A Pending JPH07256267A (en) | 1994-03-25 | 1994-03-25 | Water purifying device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07256267A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100646651B1 (en) * | 2003-03-24 | 2006-11-17 | 주식회사 코오롱 | A filter of hollow fiber membrane used in purifing water |
| JP2009514665A (en) * | 2005-11-03 | 2009-04-09 | ネフロス・インコーポレーテッド | Redundant ultrafiltration device |
| JP2010247137A (en) * | 2009-04-16 | 2010-11-04 | Takahashi Setsubi:Kk | Water cleaner and method of using the same |
| WO2012002004A1 (en) * | 2010-07-02 | 2012-01-05 | 株式会社Ｌｉｘｉｌ | Water purifier |
-
1994
- 1994-03-25 JP JP5614394A patent/JPH07256267A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100646651B1 (en) * | 2003-03-24 | 2006-11-17 | 주식회사 코오롱 | A filter of hollow fiber membrane used in purifing water |
| JP2009514665A (en) * | 2005-11-03 | 2009-04-09 | ネフロス・インコーポレーテッド | Redundant ultrafiltration device |
| JP2010247137A (en) * | 2009-04-16 | 2010-11-04 | Takahashi Setsubi:Kk | Water cleaner and method of using the same |
| WO2012002004A1 (en) * | 2010-07-02 | 2012-01-05 | 株式会社Ｌｉｘｉｌ | Water purifier |
| JP2012030218A (en) * | 2010-07-02 | 2012-02-16 | Lixil Corp | Water purifier |
| CN102510836A (en) * | 2010-07-02 | 2012-06-20 | 骊住株式会社 | Water purifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1044060B1 (en) | Bacteriostatic filter cartridge | |
| JP2004230335A (en) | Water purification cartridge, and water purifier | |
| JP2008080315A (en) | Cartridge for water purifiers, and water purifier | |
| JPH07256267A (en) | Water purifying device | |
| JPH03186A (en) | Water purifier | |
| JP2001232361A (en) | Water purifier | |
| JPS637353Y2 (en) | ||
| JP4622576B2 (en) | Water purifier, water purification system and water purification method using the same | |
| JP2001187380A (en) | Water purifier | |
| JP2002263637A (en) | Water purifying unit | |
| JPH0691261A (en) | Water purifier | |
| JP2009078219A (en) | Cartridge for water purifier | |
| CN220351924U (en) | Filter element structure | |
| JP2004000956A (en) | Water purification cartridge having built-in tap | |
| JPH01123690A (en) | Method and device for cleaning water | |
| JPH03249986A (en) | Method for washing cartridge for water cleaning | |
| JPH038488A (en) | Water purifier | |
| JPH08215678A (en) | Water purifier | |
| JPH0576594U (en) | Liquid purification cartridge | |
| JPS6068093A (en) | Water treating system | |
| JPH11114554A (en) | Water purifying device | |
| JP2003024723A (en) | Filtration material containing titanium silicate for water purifier and water purifier using the same | |
| JPH0494791A (en) | Water purifier | |
| JPH0691989B2 (en) | Water purifier | |
| JPH0576593U (en) | Liquid purification cartridge |