JPH08266189A - Water cleaning material - Google Patents
Water cleaning materialInfo
- Publication number
- JPH08266189A JPH08266189A JP7076391A JP7639195A JPH08266189A JP H08266189 A JPH08266189 A JP H08266189A JP 7076391 A JP7076391 A JP 7076391A JP 7639195 A JP7639195 A JP 7639195A JP H08266189 A JPH08266189 A JP H08266189A
- Authority
- JP
- Japan
- Prior art keywords
- water
- carbon
- fishes
- cleaning material
- water cleaning
- 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
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
Landscapes
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Farming Of Fish And Shellfish (AREA)
- Biological Treatment Of Waste Water (AREA)
- Filtering Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は水清浄材もしくは水ろ過
材に関する。さらに詳しくは、鑑賞魚水槽用、魚飼育水
槽用など魚水槽用の水ろ過材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water cleaning material or a water filtering material. More specifically, the present invention relates to a water filter material for a fish tank such as an ornamental fish tank or a fish breeding tank.
【０００２】[0002]
【従来の技術】ここ数年の鑑賞魚ブームにより、各家庭
に水槽が設置されるようになった。また最近では、水槽
を箱庭のようにレイアウトすることが流行している。そ
のレイアウトのために、必ずと言ってもよい程用いられ
るのが流木である。流木を水槽に入れ、その周囲に水草
を植えると自然な感じが楽しむことができる。現在、こ
の流木は東南アジアより輸入され、鑑賞魚専門店で販売
されているが、そのままの状態で水槽に入れると、流木
から茶褐色のアクがでるために飼育水が着色してしま
う。そこで、このアクをぬくために、流木を熱湯の中に
数時間放置したり、またはバケツの水の中に数週間流木
させるなどの処理を行わなければならない。鑑賞魚の飼
育水の着色は、この流木のアクの他に、エサの食べ残
し、フンなどが原因で水が黄ばむことがある。特に海水
魚の場合、海水が黄ばむと水の取り替えが困難である。
このように鑑賞魚を飼育する際に発生する水の着色は活
性炭を用いて脱色することはできない。すなわち活性炭
は水の白濁（水中に浮遊する微細なゴミやタンパク質）
を除去できるが、水を着色させる浸水性の色素は容易に
吸着することができないのである。このような水の着色
のほかに、鑑賞魚を飼育する際に起こる問題点として魚
から排出されるアンモニアである。通常このアンモニア
は、水中ではアンモニアイオンとして存在し、魚に対し
てさして悪影響を与えないが、水中の硝化細菌により亜
硝酸（ＮＯ2 -）から（ＮＯ3 -）へと変換されて、それら
の物質の中で亜硝酸（ＮＯ2 -）が、魚にとって悪影響を
与える。通常、鑑賞魚飼育水槽では、水槽を新しくセッ
チングしてから約７−１４日頃に亜硝酸濃度がピークを
迎え、それ以降は減少していく、この時期が魚にとって
最も危険な状態にさらされる。2. Description of the Related Art Aquariums have come to be installed in each home due to the boom of appreciation fish in the past few years. Recently, it has become popular to lay out aquariums like a miniature garden. Driftwood is always used because of its layout. You can enjoy a natural feeling by putting driftwood in an aquarium and planting aquatic plants around it. Currently, this driftwood is imported from Southeast Asia and sold at a store specializing in appreciation fish, but if you put it in the aquarium as it is, brown water will come out from the driftwood and the breeding water will be colored. Therefore, in order to remove this scum, it is necessary to leave the driftwood in hot water for several hours, or in the water of the bucket for several weeks. In addition to the driftwood, the water used to raise the ornamental fish may turn yellow due to leftovers from food and dung. Particularly in the case of saltwater fish, it is difficult to replace the water if the saltwater turns yellow.
As described above, the coloring of water generated when breeding ornamental fish cannot be decolorized by using activated carbon. That is, activated carbon is cloudy in water (fine dust and proteins floating in water)
However, a water-immersive dye that stains water cannot be easily adsorbed. In addition to such water coloring, another problem that occurs when raising ornamental fish is ammonia emitted from the fish. Usually this ammonia is present as ammonium ions in water, but does not adversely affect terribly against fish, nitrite by nitrification bacteria in the water (NO 2 -) from (NO 3 -) are converted into, their nitrite in the material (NO 2 -) is an adverse effect for the fish. Usually, in the appreciation fish breeding aquarium, the nitrite concentration reaches a peak around 7-14 days after new setting of the aquarium, and then decreases thereafter, which is the most dangerous condition for the fish.
【０００３】[0003]
【発明が解決しようとする課題】本発明の目的は、上記
の問題点を解決することである。すなわち、鑑賞魚の飼
育水の脱色と亜硝酸濃度の抑制ができる水清浄材、ろ過
材を提供すること、さらに詳しくは、観賞魚水槽または
魚飼育用水槽の水ろ過材を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems. That is, it is intended to provide a water purifying material and a filtering material capable of decolorizing the breeding water of ornamental fish and suppressing the nitrite concentration, and more specifically to provide a water filtering material for an ornamental fish tank or a fish tank.
【０００４】[0004]
【課題を解決するための手段】本発明者らは、前記課題
を解決するため鋭意検討した結果、特定の炭素材と特定
のセラミック材とを混合することにより、鑑賞魚の水槽
の着色がなく、かつ亜硝酸濃度の上昇が抑えられること
を見いだし、本発明の水清浄材、ろ過材を完成するに至
った。Means for Solving the Problems As a result of intensive studies to solve the above-mentioned problems, the present inventors have found that by mixing a specific carbon material and a specific ceramic material, there is no coloring of the aquarium of ornamental fish, Moreover, they found that the increase in nitrite concentration was suppressed, and completed the water purification material and the filtration material of the present invention.
【０００５】本発明はつぎの構成からなる。 （１）硬度が４０−５０、孔径が１００−４００オング
ストローム、比表面積が５０−３００ｍ2／ｇ、かつ、
空孔容積が１．３−５．０ml／ｇである、不規則な配置
の炭素微結晶及び難黒鉛化炭素からなる炭素材、および
天然産ゼオライトを８００〜１２００℃で焼成して得ら
れるセラミック材を含有することからなる水清浄材。 （２）前記炭素材のＣＥＣが８−１３である請求項１記
載の水清浄材。 （３）炭素材が金属線を含む廃タイヤを４００−９００
℃で、酸素の存在下、及びＣＯ2及び水蒸気の存在下で
燃焼せしめて得られたものであることからなる請求項１
記載の水清浄材。 （４）前記１、２、もしくは３項記載の水清浄材からな
る鑑賞魚水槽用ろ過材。 （５）前記１、２、もしくは３項記載の水清浄材からな
る魚飼育用水ろ過材。The present invention has the following configuration. (1) Hardness 40-50, pore size 100-400 angstrom, specific surface area 50-300 m 2 / g, and
A carbon material having a pore volume of 1.3-5.0 ml / g, which is composed of irregularly arranged carbon fine crystals and non-graphitizable carbon, and a ceramic obtained by firing naturally occurring zeolite at 800 to 1200 ° C. A water purification material that contains a material. (2) The water cleaning material according to claim 1, wherein the carbon material has a CEC of 8-13. (3) 400-900 waste tires whose carbon material contains metal wires
A composition obtained by burning at 0 ° C. in the presence of oxygen and in the presence of CO 2 and steam.
Water purifier described. (4) A filter material for an ornamental fish tank, which comprises the water cleaning material described in 1, 2, or 3 above. (5) A water filtration material for fish breeding, which comprises the water cleaning material according to the above 1, 2, or 3.
【０００６】本発明の水清浄材、ろ過材に用いる炭素材
は、炭素微結晶の間隙に黒鉛化し難い交差連結格子が存
在し、硬度が４０−５０、孔径が１００−４００オング
ストローム、比表面積が５０−３００ｍ2／ｇ、且つ、
空孔容積が１．３−５．０ml／ｇである、不規則な配置
の炭素微結晶及び難黒鉛化炭素からなる。好ましくは、
鉛筆硬度で２Ｂ−４Ｂ、孔径が２００−３５０オングス
トローム、比表面積が２００−４００ｍ2／ｇ、孔容積
が１．４−３．０ml／ｇである。また、好ましくはＣＥ
Ｃ（塩基置換容量）が、８−１３、好適には９−１２で
ある。The carbonaceous material used in the water cleaning material and the filtering material of the present invention has a cross-linking lattice which is difficult to graphitize in the interstices of carbon microcrystals, has a hardness of 40-50, a pore diameter of 100-400 angstrom and a specific surface area. 50-300 m 2 / g, and
It consists of irregularly arranged carbon crystallites and non-graphitizable carbon with a pore volume of 1.3-5.0 ml / g. Preferably,
The pencil hardness is 2B-4B, the pore diameter is 200-350 angstrom, the specific surface area is 200-400 m 2 / g, and the pore volume is 1.4-3.0 ml / g. Also, preferably CE
C (base substitution capacity) is 8-13, preferably 9-12.
【０００７】廃タイヤの燃焼により、本発明に用いる炭
素材をつくった場合には、例えば、成分などの分析結果
は次のような値を示す。 項目 分析法 水分 ８．８８ ％ JIS K1474 4.10 炭素（Ｃ） ８３．２ ％ 強熱重量法 塩化物 ０．０１ 〃 JIS K1470 5.4 カドミウム 不検出 JIS K0102 55.2 全シアン 不検出 JIS K0102 28.3 有機酸 不検出 昭和49年環境告第64号付 表1.2 鉛 不検出 JIS K0102 54.2 六価クロム 不検出 JIS K0102 65.2.1 ヒ素 不検出 JIS K0102 61.1 総水銀 不検出 昭和46年環境告第59号付 表3 アルキル水銀 不検出 昭和46年環境告第59号付 表4 ＰＣＢ 不検出 昭和46年環境告第59号付 表5 強熱残分 １４．２ ％ JIS K1474 4.11 乾燥減量 ８．８８ ％ JIS K1474 4.10 ｐＨ（Ｈ2Ｏ） ８．６ （２０℃） JIS K1474 4.12 カラメル脱色力 ３５．１ ％ JIS K1470 5.1 メチレンブルー脱色力 １２ ｍｌ JIS K1470 5.2 よう素吸着性能 ２０１ mg/g dry JIS K1474 4.2 本発明の水清浄材に用いられる炭素材の粒径は１〜６ｍ
ｍ、好ましくは２〜３ｍｍである。When a carbon material used in the present invention is produced by burning a waste tire, for example, the results of analysis of components and the like show the following values. Item Analytical method Moisture content 8.88% JIS K1474 4.10 Carbon (C) 83.2% Thermogravimetric method Chloride 0.01 〃 JIS K1470 5.4 Cadmium non-detection JIS K0102 55.2 All cyan non-detection JIS K0102 28.3 Organic acid non-detection Showa 49 Environmental Notice No. 64 Table 1.2 Lead non-detection JIS K0102 54.2 Hexavalent chromium non-detection JIS K0102 65.2.1 Arsenic non-detection JIS K0102 61.1 Total mercury non-detection 1969 Environmental Notice No. 59 Appendix Table 3 Alkyl mercury non-detection Detected 1969 Environmental Notification No. 59 Table 4 PCB non-detection 1972 Environmental Notification No. 59 Table 5 Residue on ignition 14.2% JIS K1474 4.11 Loss on drying 8.88% JIS K1474 4.10 pH (H 2 O) 8.6 (20 ° C) JIS K1474 4.12 Caramel decolorizing power 35.1% JIS K1470 5.1 Methylene blue decolorizing power 12 ml JIS K1470 5.2 Iodine adsorption performance 201 mg / g dry JIS K1474 4.2 Used for the water cleaning material of the present invention The particle size of the carbon material used is 1 to 6 m
m, preferably 2-3 mm.
【０００８】本発明のセラミック材は天然産ゼオライト
を８００〜１２００℃で焼成して得られるセラミック材
であり、好ましくは１２００℃で焼成されたものであ
る。形状としては、粉状、粒状、ペレット状、タブレッ
ト状、ハニカム状、繊維状など特に限定するものでない
が、粒径１〜５ｍｍの粒状のものが好ましく用いられ
る。本発明の水清浄材に用いるセラミックは、産業廃棄
物に含まれる有害物質の検定方法により分析した結果、
水銀またはその化合物、カドミニウム、鉛又はその化合
物、六価クロム化合物、ヒ素またはその化合物、シアン
化合物のいずれも検出されないものであり、例えば、溶
出液ｐＨが６．９，含水率２．４％のものである。The ceramic material of the present invention is a ceramic material obtained by firing naturally occurring zeolite at 800 to 1200 ° C., and preferably fired at 1200 ° C. The shape is not particularly limited, such as powder, granules, pellets, tablets, honeycombs, and fibers, but granules having a particle diameter of 1 to 5 mm are preferably used. Ceramics used in the water purification material of the present invention, as a result of analysis by the assay method for harmful substances contained in industrial waste,
Mercury or its compounds, cadmium, lead or its compounds, hexavalent chromium compounds, arsenic or its compounds, and cyan compounds are not detected. For example, the pH of the eluate is 6.9 and the water content is 2.4%. It is a thing.
【０００９】本発明の水清浄材、ろ過材における炭素材
とセラミック材との比率は必要に応じて任意に選択すれ
ばよい、通常重量比率１：１で使用される。本発明の水
清浄材、濾過剤は、例えば、２００×１２０ｍｍ目の粗
い袋に入れ、これを鑑賞魚用フィルターのろ過材として
利用する。目の粗い袋としては、不織布のようなものが
示される。The ratio of the carbon material to the ceramic material in the water purification material and the filtration material of the present invention may be arbitrarily selected according to need, and is usually used in a weight ratio of 1: 1. The water cleaning material and the filtering agent of the present invention are put, for example, in a coarse bag of 200 × 120 mm and used as a filtering material for a filter for ornamental fish. As the open bag, a non-woven cloth-like bag is shown.
【００１０】[0010]
【作用】本発明の水清浄材、ろ過材に含まれる炭素材
は、飼育水の流木のアクの他に、エサの食べ残しまたは
フンなどによる水が黄ばむ着色を除く、いわゆる脱色効
果に寄与する。また、セラミック材は表面に無数の孔が
存在しており、表面積が広く、硝化細菌が定着しやすい
構造になっているために、アンモニアを吸着する能力に
優れている。そのために飼育水の亜硝酸濃度の上昇を抑
える。The carbonaceous material contained in the water purifying material and the filtering material of the present invention contributes to the so-called decolorizing effect, which removes the yellowing of water due to food leftovers or dung, in addition to the driftwood of breeding water. . In addition, the ceramic material has a large number of pores on the surface, has a large surface area, and has a structure in which nitrifying bacteria can easily settle, so that it has an excellent ability to adsorb ammonia. Therefore, the increase of nitrite concentration in the breeding water is suppressed.
【００１１】本発明の水清浄材、ろ過材を実施例にて説
明するが、本発明はこれらに限定されるものでない。The water purifying material and the filtering material of the present invention will be explained with reference to examples, but the present invention is not limited to these.
【００１２】実施例 １ 水槽に５５リットルの水を入れ、水温２５℃にして、そ
の中にワキン（５グラム）１０尾を入れ、エーハイム２
２１１（外部式フィルター）に、粒径２〜３ｍｍの炭素
材（上記分析値参照）７０グラムと、天然産ゼオライト
を１２００℃で焼成したされた粒径約３ｍｍのもの７０
グラムを混合されて得られた本発明の水清浄材を充填し
て、水槽内の水を循環濾過し、水槽内の水の黄ばみ度を
調べた。その結果を表１に示す。 また、水中の亜硝酸
濃度の変化を図１に示す。Example 1 55 liters of water was placed in a water tank, the water temperature was adjusted to 25 ° C., and 10 wakkins (5 grams) were placed in the water tank.
211 (external filter), 70 grams of carbon material having a particle size of 2 to 3 mm (see the above analysis value), and natural zeolite produced by firing at 1200 ° C. having a particle size of about 3 mm 70
The water purifying material of the present invention obtained by mixing gram was filled, the water in the water tank was circulated and filtered, and the degree of yellowing of the water in the water tank was examined. Table 1 shows the results. The change in the nitrite concentration in water is shown in FIG.
【００１３】比較例１ 実施例１の水清浄材を炭素材７０グラムに代える以外
は、実施例１と同様に行った。結果を表１、図１に示
す。Comparative Example 1 Example 1 was repeated except that the water purifying material of Example 1 was replaced with 70 g of carbon material. The results are shown in Table 1 and FIG.
【００１４】比較例２ 実施例１の水清浄材をセラミック材７０グラムに代える
以外は、実施例１と同様に行った。結果を表１、図１に
示す。Comparative Example 2 The procedure of Example 1 was repeated except that the water purifying material of Example 1 was replaced with 70 g of the ceramic material. The results are shown in Table 1 and FIG.
【００１５】[0015]
【表１】 [Table 1]
【００１６】実施例２ 硝酸イオン３０ミリグラム／リットル、アンモニウム７
３ミリグラム／リットル、マンガン６．５ミリグラム／
リットルの水を、粒径２〜３ｍｍの炭素材（上記分析値
参照）７０グラムと、天然産ゼオライトを１２００℃で
焼成された粒径約３ｍｍのもの７０グラムを混合されて
得られた本発明の水清浄材を充填してたフィルター（外
部式パワーフィルター）でろ過した水を分析した結果、
（硝酸イオン１９ミリグラム／リットル、アンモニウム
２ミリグラム／リットル、マンガンは検出されない）で
あった。分析はＪＩＳ Ｋ０１０２に基づいて行った。Example 2 Nitrate ion 30 mg / liter, ammonium 7
3 mg / liter, manganese 6.5 mg /
The present invention obtained by mixing liters of water with 70 g of a carbon material having a particle size of 2 to 3 mm (see the above analysis value) and 70 g of a naturally occurring zeolite calcined at 1200 ° C. having a particle size of about 3 mm. As a result of analyzing the water filtered by the filter (external power filter) filled with the water purification material,
(Nitrate ion 19 mg / liter, ammonium 2 mg / liter, manganese was not detected). The analysis was performed based on JIS K0102.
【００１７】[0017]
【発明の効果】本発明の水清浄材は、飼育魚、鑑賞魚の
飼育水の脱色と亜硝酸濃度の増加を抑制ができるので、
これをろ過材として用いることにより飼育魚、鑑賞魚の
水槽の流木からアクによる着色、エサの食べ残し、フン
などが原因で水が黄ばむなどの従来の魚水槽の着色の問
題が解消されると共に、亜硝酸（ＮＯ2 -）の影響がなく
なるために、魚に対する危険性がなく、従来よりも長く
水槽の水をかえずに使用することが可能になった。The water purification material of the present invention can suppress the decolorization of breeding water of breeding fish and ornamental fish and the increase of nitrite concentration.
By using this as a filter, coloring problems of conventional fish tanks such as breeding fish, coloring with aquarium from driftwood of aquarium of appreciating fish, leftover food left behind, yellowing of water due to dung etc. are solved, nitrite (NO 2 -) to influence the disappears, no risk for fish, made it possible to use without changing the water than conventional long tank.
【図１】水槽中の亜硝酸濃度経時変化を示す図である。FIG. 1 is a diagram showing a change over time in the concentration of nitrous acid in a water tank.
───────────────────────────────────────────────────── 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 3/10 ＺＡＢ Ｃ０２Ｆ 3/10 ＺＡＢＺ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C02F 3/10 ZAB C02F 3/10 ZABZ
Claims (5)
結格子が存在し、硬度が４０−５０、孔径が１００−４
００オングストローム、比表面積が５０−３００ｍ2／
ｇ、かつ、空孔容積が１．３−５．０ml／ｇである、不
規則な配置の炭素微結晶及び難黒鉛化炭素からなる炭素
材、および天然産ゼオライトを８００〜１２００℃で焼
成して得られるセラミック材を含有することからなる水
清浄材。1. A cross-connecting lattice, which is difficult to graphitize, is present in the gaps between the carbon crystallites, the hardness is 40-50, and the pore diameter is 100-4.
00 angstrom, specific surface area 50-300 m 2 /
g and a carbon material composed of irregularly arranged carbon fine crystals and non-graphitizable carbon having a pore volume of 1.3-5.0 ml / g, and a naturally occurring zeolite are calcined at 800 to 1200 ° C. A water purification material containing a ceramic material obtained by the above.
求項１記載の水清浄材。2. The water cleaning material according to claim 1, wherein the CEC of the carbon material is 8-13.
−９００℃で、酸素の存在下、及びＣＯ2及び水蒸気の
存在下で燃焼せしめて得られたものであることからなる
請求項１記載の水清浄材。3. A waste tire containing carbon wires as a carbon material is 400
The water cleaning material according to claim 1, which is obtained by burning at -900 ° C in the presence of oxygen and in the presence of CO 2 and steam.
材からなる鑑賞魚水槽用ろ過材。4. A filter material for an ornamental fish tank comprising the water cleaning material according to claim 1.
材からなる魚飼育用水ろ過材。5. A water filtration material for fish breeding, which comprises the water purification material according to claim 1, 2, or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7076391A JPH08266189A (en) | 1995-03-31 | 1995-03-31 | Water cleaning material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7076391A JPH08266189A (en) | 1995-03-31 | 1995-03-31 | Water cleaning material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08266189A true JPH08266189A (en) | 1996-10-15 |
Family
ID=13604029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7076391A Pending JPH08266189A (en) | 1995-03-31 | 1995-03-31 | Water cleaning material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08266189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010029741A (en) * | 2008-07-24 | 2010-02-12 | National Institute Of Advanced Industrial & Technology | Zeolite-ceramic composite, composite membrane, and method for manufacturing the same |
-
1995
- 1995-03-31 JP JP7076391A patent/JPH08266189A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010029741A (en) * | 2008-07-24 | 2010-02-12 | National Institute Of Advanced Industrial & Technology | Zeolite-ceramic composite, composite membrane, and method for manufacturing the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104430102B (en) | A kind of clam purification Propogation and culture method | |
| KR101728418B1 (en) | Sand deodorant for pet using water-treatment sludge and ash | |
| KR20180007872A (en) | Absorbent composition for removing phosphorus of underwater, methods of manufacturing and recycling the same and absorbent device | |
| JPH08266189A (en) | Water cleaning material | |
| CN105481101B (en) | A kind of compound type purifying agent used for aquiculture and preparation method thereof | |
| JP6391369B2 (en) | Floor soil | |
| KR101008822B1 (en) | A block for water purifying and artificial fishing reef using the ceramic powder and method thereof | |
| JPH07313868A (en) | Adsorbent for treating sewage and its production | |
| US20220289602A1 (en) | Compositions and systems for binding nutrients from moving bodies of water | |
| JP2004351306A (en) | Water cleaning material effectively utilizing shell of foulings | |
| JPH0889126A (en) | Gradually iron ion-releasing concrete structure | |
| JP6710830B2 (en) | Method for producing bivalent iron ion sustained release unglazed product | |
| JPH0745004B2 (en) | Filter material | |
| KR101872347B1 (en) | Pellet composition for eco-friendly green tide and red tide removal and method for producing the same | |
| CN108246253B (en) | Broussonetia papyrifera charcoal adsorbent based on black and odorous water treatment and preparation method thereof | |
| JP2621001B2 (en) | Antibacterial and deodorant | |
| KR100897827B1 (en) | Water purification system using functional ecological-woodframe with natural affinity and it's manufacture method | |
| CA3140624A1 (en) | Water purification material and water purification method using same | |
| KR102495923B1 (en) | Antimicrobial porous particle composition and manufacturing method thereof | |
| JPH1085316A (en) | Air cleaner | |
| KR102469898B1 (en) | Self purification fish tank | |
| JP7038440B2 (en) | Sintered granulated clay and its manufacturing method | |
| TWI724662B (en) | Reservoir sludge bionic coral and manufacturing method thereof | |
| JP3304489B2 (en) | Sintered sepiolite, filter material for water tank using the same, and method for producing the same | |
| CN111499319B (en) | Method for preparing tree whitening agent by using solid waste |