JPH03229690A - Purifying agent for water purifier using natural zeolite - Google Patents
Purifying agent for water purifier using natural zeoliteInfo
- Publication number
- JPH03229690A JPH03229690A JP2420190A JP2420190A JPH03229690A JP H03229690 A JPH03229690 A JP H03229690A JP 2420190 A JP2420190 A JP 2420190A JP 2420190 A JP2420190 A JP 2420190A JP H03229690 A JPH03229690 A JP H03229690A
- Authority
- JP
- Japan
- Prior art keywords
- water
- ion
- zeolite
- type zeolite
- metal ions
- 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
- 239000010457 zeolite Substances 0.000 title claims abstract description 55
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 53
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000012629 purifying agent Substances 0.000 title claims abstract description 8
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 25
- 238000005342 ion exchange Methods 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 150000002500 ions Chemical class 0.000 abstract description 10
- 239000008233 hard water Substances 0.000 abstract description 9
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract description 8
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 239000008234 soft water Substances 0.000 abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 7
- 239000011707 mineral Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 abstract 1
- 239000011575 calcium Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- -1 calcium carbonate compound Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical group OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 229910052646 quartz group Inorganic materials 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は浄水器用浄化剤の改良に関するものである。[Detailed description of the invention] (Industrial application field) The present invention relates to improvements in purifying agents for water purifiers.
（（ｉ来の技術）
従来の浄水器用浄化剤には活性炭に水道水を通して塩素
やカルキを除去するものや、特公昭５２−４３３４７号
公報や特公昭５３−６７８８号公報には銀を活性炭ｊ−
やガラン粒子に付着させ、銀による滅菌効果を利用した
滅菌浄水器や浄化剤が開示され、また特公昭５４−１／
’、４３０号公報には、銀塩と炭酸カルシウムを共存さ
せ滅菌とともに処理水のＰＨを一定に保つことを特徴と
したものが開示され、さらには特公昭６３−５９７５９
号公報に麦飯石を使用した容重活性装置か、特公昭６３
−６１０７８号公報には、貯水タンク内に多孔質筒状セ
ラミ・ツク筒、ろ過層、浄化及びミネラル分容重層、及
び活性化層を有した水処理活性化装置が開示されており
、これらには石英班系統の長石、変性緑泥石郡の一種な
らびに恵那石が使用されている。この様に従来より水の
浄化に関しては多くの方法が開示されている。((Previous technology) Conventional purifying agents for water purifiers include those that remove chlorine and limescale by passing tap water through activated carbon, and Japanese Patent Publication No. 52-43347 and Japanese Patent Publication No. 53-6788, which use activated carbon to remove silver. −
A sterilizing water purifier and a purifying agent were disclosed that utilized the sterilizing effect of silver by adhering it to silver and galan particles, and also published in Japanese Patent Publication No. 54-1/
', No. 430 discloses a method characterized by coexistence of silver salt and calcium carbonate to sterilize and keep the pH of treated water constant;
Publication No. 63 of the Special Publication shows whether it is a weight activation device using Maifan stone.
Publication No. 61078 discloses a water treatment activation device having a porous ceramic cylinder, a filtration layer, a purification and mineral content layer, and an activation layer in a water storage tank. Feldspar of the quartz group, a type of modified chlorite group, and Ena stone are used. As described above, many methods have been disclosed for water purification.
（発明が解決しようとする課題）
従来より開示されている例えば麦飯石や炭酸カルシウム
化合物を用いた浄化剤は、麦飯石の吸着容重作用と炭酸
カルシウム化合物からのカルシウムの容重作用により浄
化するものであり、これは水質成分にかかわりなく吸着
と８出が一定に行われるため、カルシウム分の多い水で
もカルシウムが８出され、又金属成分の少ない水質でも
金属分の吸着が行われ、しつこい味や無味淡白な味とな
るなど水質のバランスを壊す弊害がある。(Problems to be Solved by the Invention) Conventionally disclosed purifying agents using, for example, maifan stone or calcium carbonate compounds purify by the adsorption capacity action of maifan stone and the action of calcium from the calcium carbonate compound. This is because adsorption and extraction are constant regardless of the water quality components, so even in water with a high calcium content, calcium is released, and even in water with low metal content, adsorption of metal content occurs, resulting in a persistent taste and It has the disadvantage of disrupting the balance of water quality, such as giving it a bland and bland taste.
又活性炭の塩素の吸着による殺菌力の消失でおこる浄水
器内の細菌繁殖防止としてｔＪｉ！による滅菌方法があ
るが、これは滅菌という方法ではを効な手段ではあるが
水そのものを美味しくする手法とは異なり、本来は美味
しくて滅菌された飲料水が提供される必要がある。In addition, tJi! can be used to prevent bacterial growth inside the water purifier due to the loss of sterilizing power due to activated carbon's chlorine adsorption. Although this is an effective method of sterilization, it is different from the method of making the water itself delicious, and it is necessary to provide drinking water that is delicious and sterilized.
（課題を解決するための手段）
本発明はこれらの課題を解決するためになされたもので
、天然ゼオライトを各種化合物でイオン交換させ得られ
た七オライドの種類や分量を変えることにより、水中の
各種金属イオンを含有量に応じて自在に除去、添加を行
うことを特徴とする浄水器用浄化剤に係わるものである
。(Means for Solving the Problems) The present invention was made to solve these problems, and by changing the type and amount of heptaolide obtained by ion-exchanging natural zeolite with various compounds, it is possible to This invention relates to a purifying agent for water purifiers that is characterized by the ability to freely remove and add various metal ions depending on the content.
（作用）
金属イオンやカルシウムイオンが大量に含まれた水、い
わゆる硬水の場合は各種金属イオンを含有量に見合って
除去する必要があり、軟水の場合は逆に添加する必要が
ある。(Function) In the case of water containing a large amount of metal ions and calcium ions, so-called hard water, it is necessary to remove various metal ions in proportion to the content, and in the case of soft water, it is necessary to add them.
例えば硬水の場合には、天然ゼオライトを水素イオンで
イオン交換したＨ型ゼオライトを使用することにより、
金属イオンやカルシウムイオンを除去し硬水をミネラル
水に変えることができ、逆に軟水の場合は、カルシウム
イオンでイオン交換したＣａ型ゼオライトと各種金属イ
オンをイオン交換させた金属型ゼオライトを使用するこ
とにより、各種金属イオンを水中に添加し、軟水をミネ
ラル水に変えることができる。For example, in the case of hard water, by using H-type zeolite, which is ion-exchanged natural zeolite with hydrogen ions,
Metal ions and calcium ions can be removed to turn hard water into mineral water. Conversely, in the case of soft water, use Ca-type zeolite that has been ion-exchanged with calcium ions and metal-type zeolite that has ion-exchanged various metal ions. By adding various metal ions to water, it is possible to turn soft water into mineral water.
又Ｈ型、Ｃａ型、銀イオンでイオン交換したＡｇ型ゼオ
ライトには、金属イオンを除去する能力があるため、水
中の金属−Ｃオン量に見合って使用量を決定することに
より、さらに金属イオン９が不足する場合には、金属型
ゼオライトを同時に使用し、金属イオンを補充すること
により、水中のイオン量をコントロールすることができ
る。In addition, H-type, Ca-type, and Ag-type zeolites that have been ion-exchanged with silver ions have the ability to remove metal ions. If 9 is insufficient, the amount of ions in water can be controlled by simultaneously using metal zeolite and replenishing metal ions.
さらにへｇ型セオライトを各型ゼオライトと同時に使用
することにより、滅菌機能を具備させることが可能とな
る。Furthermore, by using Heg-type zeolite at the same time as each type of zeolite, it becomes possible to provide a sterilization function.
この様に本発明によると各型のゼオライトの種類や分量
を変えることにより、全ての水に対し水中のイオン成分
を一定にコントロールすることができるとともに、滅菌
された美味しい水の供給が部用にできる。As described above, according to the present invention, by changing the type and amount of each type of zeolite, it is possible to control the ionic components in all types of water to a constant level, and the supply of sterilized and delicious water can be made easier. can.
（実施例）
本発明を第１表〜第４表に示す実施例に従って説明する
。(Examples) The present invention will be described according to Examples shown in Tables 1 to 4.
まず天然セオライトにＨＣｌで１゛オン交換させたＨ型
ゼオライト、Ｃａ（叶）２ でイオン交換させたＣａ型
ゼオライト、八ｇＮ０３ でイオン交換させたＡｇ型ゼ
オライト、および各種金属でイオン交換させた金属型ゼ
オライトの各種ゼオライトを調製し、その各々に原水を
通水すると第１表〜第４表に示す結果が得られた。First, H-type zeolite was made by ion-exchanging natural theolite with HCl, Ca-type zeolite was ion-exchanged with Ca (Kano)2, Ag-type zeolite was ion-exchanged with 8gN03, and metal was ion-exchanged with various metals. When various types of zeolite were prepared and raw water was passed through each of them, the results shown in Tables 1 to 4 were obtained.
第１表によると、通水によりＨ型ゼオライトが金属イオ
ンやカルシウムイオンをイオン交換により原水より除去
している。According to Table 1, the H-type zeolite removes metal ions and calcium ions from raw water by ion exchange when water is passed through the water.
第２表によると、Ｃａ型ゼオライトが金属イオンを除去
し、カルシウムイオンを添加している。According to Table 2, Ca-type zeolite removes metal ions and adds calcium ions.
第３表によると、へｇ型ゼオライトが金属イオンやカル
シウムイオンを除去している。 なお、Ａｇ型ゼオライ
トは公知である銀による滅菌作用をもたらす。According to Table 3, Heg-type zeolite removes metal ions and calcium ions. Incidentally, Ag type zeolite brings about the known sterilization effect due to silver.
第４表によると、金属型ゼオライトにより金属イオンが
原水に添加されている。According to Table 4, metal ions are added to raw water by metal-type zeolite.
なお、原水と通水後の各イオンの変化量は、ゼオライト
の分量や通水時間をコントロールすることにより簡単に
変えることが可能である。Note that the amount of change in each ion between the raw water and the water flow can be easily changed by controlling the amount of zeolite and the water flow time.
又、各型のゼオライトを組合わせることにより、個々の
イオン量をコントロールすることも容易に行うことがで
きる。Furthermore, by combining various types of zeolite, the amount of each individual ion can be easily controlled.
上記したＨ型ゼオライトは、ＨＣｊ２のＨ＋と天然ゼオ
ライト中のＣａ” 、Ｍｇ”、Ｎａ” 、Ｋ＋がイオン
交換して得られたもので、このＨｌが硬水中のＣａ”
、Ｍｇ”等とイオン交換し、各種イオンをＨ型ゼオライ
トが除去する。 この反応を第１図に示す。The above-mentioned H-type zeolite is obtained by ion-exchanging H+ of HCj2 with Ca'', Mg'', Na'', and K+ in natural zeolite, and this Hl is exchanged with Ca'' in hard water.
, Mg'', etc., and the H-type zeolite removes various ions. This reaction is shown in Figure 1.
又、Ｃａ型ゼオライトはＣａ （ＯＨｈのＣａ と天
然ゼオライト中のＭ ｇｌ＋、Ｎａ” 、Ｋ＋がイオン
交換して得られたもので１．のＣａ が水中の金属イ
オンとイオン交換して、Ｃａ２＋の添加が行われる。
この反応を第２図に示す。In addition, Ca-type zeolite is obtained by ion-exchanging Ca (Ca in OHh with M gl+, Na'', K+ in natural zeolite). Addition is made.
This reaction is shown in FIG.
又、金属型セオライトは各金属イオンと天然セオライト
中のＣａ”、Ｍｇ” 、Ｎａ＋、Ｋ＋かイオン交換して
得らｒｔたもので、この金属イオンが水中の例えばＮａ
” とイオン交換して金属イオンの添加か行われる。こ
の反応を第３図に示す。In addition, metal-type theolite is obtained by ion-exchanging Ca'', Mg'', Na+, K+ in natural ceolite with each metal ion, and these metal ions are
The addition of metal ions is carried out by ion exchange with ``. This reaction is shown in Figure 3.
さらに又、ゼオライトのイオン交換能力は、水中のイオ
ン１度が妬いときは大きく、イオン１度が低いときは小
さくなる。 この結果を第４図に示す。Furthermore, the ion exchange capacity of zeolite is large when the ion degree in water is high, and becomes small when the ion degree is low. The results are shown in FIG.
このように、各型ゼオライトの作用により硬水の場合は
Ｈ型ゼオライト、軟水の場合はＣａ型、金属型ゼオライ
トを使用することで、各種金属イオンの除去、添加が行
ねｎミネラルを適量含んだミネラル水が得られる。In this way, by using the H-type zeolite for hard water and the Ca-type and metal-type zeolites for soft water, various metal ions can be removed and added by the action of each type of zeolite. You can get mineral water.
（発明の効果）
本発明によると、天然ゼオライトに各種化合物のイオン
をイオン交換させ得られた各型セオライトの種類、分；
゛を調整することにより、今まで出来なかった飲料水の
金属分やカルシウム分を通水するだけで水中の含有量に
応じて除去、添加することかできるため、硬水、軟水等
の水質成分を容易に適性改善することかできる。(Effects of the Invention) According to the present invention, the type and content of each type of theolite obtained by ion-exchanging the ions of various compounds with natural zeolite;
By adjusting ゛, metals and calcium in drinking water can be removed or added according to the content in the water just by passing the water through, which has not been possible until now, so water quality components such as hard water and soft water can be removed. You can easily improve your fitness.
さらに、録型ゼオライトの併用により謔菌能力をも具０
λすることとなり、美味しい殺−されたミネラル水を簡
単に供給することができる。In addition, the combination of record-type zeolite increases the ability to kill bacteria.
λ, and delicious killed mineral water can be easily supplied.
この様に本発明の効果は、極めて顕著なものである。As described above, the effects of the present invention are extremely remarkable.
第１図は本発明にかかるＨ型ゼオライトのイオン交換反
応を示す科学モデル。
第２図はＣａ型ゼオライトのイオン交換反応を示す科学
モデル。
第３図は金属型セオライトのイオン交換反応を示す科学
モデル。
第４図は水中のイオン濃度を変えたときのイオン交換能
力を示した特性図である。
第１表
Ｈ型セオライト通水結果
（単イ（χ−Ｄシ／ １２）
第２表
龜型セオライト通水結果
（単旬細ゾβ）
第３表
緑型ゼオライト通水結果
（単旬煎ゾ７り
第４表
金属型セオライト通水結果（単旬肩ゾｊ２）第１図
Ｈ型ゼオライトのイオン交換反応
（Ｍｅ’は金属イオン）
第２図
Ｃａ型ゼオライトのイオン交換反応
（Ｍｅ”＋は金属イオン）
第３図
金属型ゼオライトのイオン交換反応
（Ｍｅ２−＋は金属イオン）Figure 1 is a scientific model showing the ion exchange reaction of H-type zeolite according to the present invention. Figure 2 is a scientific model showing the ion exchange reaction of Ca-type zeolite. Figure 3 is a scientific model showing the ion exchange reaction of metallic theolite. FIG. 4 is a characteristic diagram showing the ion exchange ability when the ion concentration in water is changed. Table 1: Results of water passing through H-type zeolite (single A (χ-D/12) Table 2: Results from passing water through ferrule-type zeolite (single-season fine zeolite β) Table 3: Results from water-passing through green-type zeolite (single-season zeolite) 7ri Table 4 Results of water flow through metal type zeolite (single season shoulder j2) Figure 1 Ion exchange reaction of H type zeolite (Me' is a metal ion) Figure 2 Ion exchange reaction of Ca type zeolite (Me'+ is Figure 3: Ion exchange reaction of metallic zeolite (Me2-+ is a metal ion)
Claims (1)
たゼオライトの種類や分量を変えることにより、水中の
各種金属イオンを含有量に応じて自在に除去、添加を行
うことを特徴とする浄水器用浄化剤。A purifying agent for water purifiers, which is characterized in that it can freely remove and add various metal ions in water according to the content by changing the type and amount of zeolite obtained by ion-exchanging natural zeolite with various compounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2420190A JPH03229690A (en) | 1990-02-01 | 1990-02-01 | Purifying agent for water purifier using natural zeolite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2420190A JPH03229690A (en) | 1990-02-01 | 1990-02-01 | Purifying agent for water purifier using natural zeolite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03229690A true JPH03229690A (en) | 1991-10-11 |
Family
ID=12131708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2420190A Pending JPH03229690A (en) | 1990-02-01 | 1990-02-01 | Purifying agent for water purifier using natural zeolite |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03229690A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07148487A (en) * | 1993-11-30 | 1995-06-13 | Nishi Nippon Sangyo Kk | Preparation of water quality-modifier wherein natural zeolite is used as raw material |
| JP3031946U (en) * | 1996-02-14 | 1996-12-13 | 賢士 宍戸 | Ion-exchange filter for removing contaminants |
| WO2003080518A1 (en) * | 2002-03-22 | 2003-10-02 | Japan Envirochemicals, Ltd. | Remover for heavy metals contained in water |
| WO2005009610A1 (en) * | 2003-07-25 | 2005-02-03 | Japan Envirochemicals, Ltd. | Heavy metal ion adsorbing agent |
| JP2006035047A (en) * | 2004-07-23 | 2006-02-09 | Shimizu Corp | Method of producing vanadium-containing water |
| JP2006095394A (en) * | 2004-09-29 | 2006-04-13 | Akio Asahi | Method for purifying drinking water |
| WO2012056589A1 (en) * | 2010-10-27 | 2012-05-03 | Fukasaku Mitsue | Purification agent for drinking water and use method thereof |
| EP2497748A1 (en) * | 2011-03-08 | 2012-09-12 | Wolfgang Wesner | Method for treating natural zeolites |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637089A (en) * | 1979-09-04 | 1981-04-10 | Mitsubishi Petrochem Co Ltd | Treating method for water |
| JPS5751354A (en) * | 1980-09-12 | 1982-03-26 | Kubota Ltd | Asbestos-board-like tile |
| JPS59145093A (en) * | 1983-02-08 | 1984-08-20 | Nippon Denshi Zairyo Kk | Calcium-contg. composition for water disposal and its manufacture |
| JPS6186985A (en) * | 1984-09-18 | 1986-05-02 | Yuji Tashiro | Preparation of potable water rich in effective minerals from tap water and well water as stock material by using natural zeolite |
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1990
- 1990-02-01 JP JP2420190A patent/JPH03229690A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637089A (en) * | 1979-09-04 | 1981-04-10 | Mitsubishi Petrochem Co Ltd | Treating method for water |
| JPS5751354A (en) * | 1980-09-12 | 1982-03-26 | Kubota Ltd | Asbestos-board-like tile |
| JPS59145093A (en) * | 1983-02-08 | 1984-08-20 | Nippon Denshi Zairyo Kk | Calcium-contg. composition for water disposal and its manufacture |
| JPS6186985A (en) * | 1984-09-18 | 1986-05-02 | Yuji Tashiro | Preparation of potable water rich in effective minerals from tap water and well water as stock material by using natural zeolite |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07148487A (en) * | 1993-11-30 | 1995-06-13 | Nishi Nippon Sangyo Kk | Preparation of water quality-modifier wherein natural zeolite is used as raw material |
| JP3031946U (en) * | 1996-02-14 | 1996-12-13 | 賢士 宍戸 | Ion-exchange filter for removing contaminants |
| WO2003080518A1 (en) * | 2002-03-22 | 2003-10-02 | Japan Envirochemicals, Ltd. | Remover for heavy metals contained in water |
| WO2005009610A1 (en) * | 2003-07-25 | 2005-02-03 | Japan Envirochemicals, Ltd. | Heavy metal ion adsorbing agent |
| JP2006035047A (en) * | 2004-07-23 | 2006-02-09 | Shimizu Corp | Method of producing vanadium-containing water |
| JP2006095394A (en) * | 2004-09-29 | 2006-04-13 | Akio Asahi | Method for purifying drinking water |
| WO2012056589A1 (en) * | 2010-10-27 | 2012-05-03 | Fukasaku Mitsue | Purification agent for drinking water and use method thereof |
| EP2497748A1 (en) * | 2011-03-08 | 2012-09-12 | Wolfgang Wesner | Method for treating natural zeolites |
| AT511175A1 (en) * | 2011-03-08 | 2012-09-15 | Wesner Wolfgang | PROCESS FOR TREATING NATURAL ZEOLITHES |
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