JP3005849B2 - Floating island for sewage and water purification - Google Patents
Floating island for sewage and water purificationInfo
- Publication number
- JP3005849B2 JP3005849B2 JP8214132A JP21413296A JP3005849B2 JP 3005849 B2 JP3005849 B2 JP 3005849B2 JP 8214132 A JP8214132 A JP 8214132A JP 21413296 A JP21413296 A JP 21413296A JP 3005849 B2 JP3005849 B2 JP 3005849B2
- Authority
- JP
- Japan
- Prior art keywords
- sewage
- water purification
- water
- base
- floating island
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y02P60/216—
Landscapes
- Hydroponics (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は汚水及び水質浄化用
浮島に関するものである。TECHNICAL FIELD The present invention relates to a floating island for purifying sewage and water quality.
【０００２】[0002]
【従来の技術】近年、植物を用いた河川や湖沼等の汚染
及び水質浄化が研究されている。その理由として、微生
物による汚水及び水質浄化処理より簡単に汚水及び水質
浄化が行えること。処理過程において環境に悪影響を及
ぼさないこと。使用した植物を資源として有効利用し得
ること等が挙げられる。2. Description of the Related Art In recent years, studies have been made on the use of plants to contaminate rivers, lakes and marshes, and purify water. The reason is that sewage and water purification can be performed more easily than sewage and water purification treatment by microorganisms. No adverse effects on the environment during the process. That the used plants can be effectively used as resources.
【０００３】而して、河川や湖沼等の汚水及び水質浄化
に使用する植物としては、浮標植物であるホテイアオ
イ、抽水植物であるオランダガラシやヨシ及びキショウ
ブ等が用いられている。As plants used for purifying sewage and water quality of rivers, lakes and marshes, water buoys are used as buoyant plants, and Dutch garashi, reeds, and yellow shoals are used as water extraction plants.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、浮標植
物であるホテイアオイ等は流勢や風により一箇所に押し
寄せられたり、下流に流失するため、安定した汚水及び
水質浄化作用が期待できない。また、抽水植物であるオ
ランダガラシ等は底泥中に根が密生するため、汚水は根
の上を流下するので充分な浄化作用を期待できない。さ
らに、ホテイアオイやオランダガラシ等は冬季に葉や茎
が枯死するために浄化作用が著しく低下するばかりでな
く、枯死した葉や茎が腐敗して窒素や燐が溶出し、特
に、ホテイアオイは陸地に引き上げた後においても腐敗
し窒素や燐を溶出するため二次公害の原因となる等の問
題点がある。However, buoyant plants such as water hyacinth are rushed to one place by the current and wind or are washed away downstream, so that stable sewage and water purification action cannot be expected. In addition, since the roots of the drafting plants such as Dutch mustards grow densely in the bottom mud, the sewage flows down the roots, so that a sufficient purification action cannot be expected. In addition, water hyacinth and Dutch mustard, etc. not only have a markedly reduced purification effect due to the death of leaves and stems in winter, but also decay of dead leaves and stems and elute nitrogen and phosphorus. Even after being lifted, there is a problem that it rots and elutes nitrogen and phosphorus, causing secondary pollution.
【０００５】本発明は上記問題点に鑑みなされたもの
で、河川や湖沼等の汚れを極めて有効に浄化し得る汚水
及び水質浄化用浮島を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a sewage and a floating island for water purification which can extremely effectively purify dirt on rivers and lakes.
【０００６】[0006]
【課題を解決するための手段】本発明は、上面に浮力調
整用凹溝３と下面に根導出用凹溝４を設け、前記浮力調
整用凹溝３の底面から根導出用凹溝４に開孔する貫通孔
５を所定の間隔で縦横に列設した発泡樹脂からなる基台
２の前記貫通孔５に、水耕性に優れ、且つ、汚水及び水
質浄化作用に優れた植物Ａを植設して汚水及び水質浄化
用浮島を構成し、従来の問題点を解消したものである。According to the present invention, a buoyancy adjusting groove 3 is provided on an upper surface and a root leading groove 4 is provided on a lower surface. Plants A having excellent hydroponic properties and excellent sewage and water purification effects are planted in the through holes 5 of the base 2 made of a foamed resin in which the through holes 5 to be opened are arranged vertically and horizontally at predetermined intervals. The floating island for purifying sewage and water quality is constructed to solve the conventional problems.
【０００７】浮力調整用凹溝３は植物Ａを植設した基台
２の浮力を調整するもので、使用する植物の種類や本
数、使用河川や湖沼等の浮力に応じて幅や深さにより浮
力を調整する。即ち、浮力調整用凹溝３の底面３ａに設
けられた貫通孔５に植設された植物Ａの根は根導出用凹
溝４内に導出されている。従って、基台２は根導出用凹
溝４の上面４ａまで水中に沈める必要がある。この浮力
を浮力調整用凹溝３の幅や深さにより調整する。The buoyancy adjusting groove 3 adjusts the buoyancy of the base 2 on which the plant A is planted. The buoyancy adjusting groove 3 has a width and a depth depending on the type and number of plants used and the buoyancy of rivers and lakes used. Adjust buoyancy. That is, the root of the plant A planted in the through hole 5 provided on the bottom surface 3a of the buoyancy adjusting groove 3 is led out into the root leading groove 4. Therefore, the base 2 needs to be submerged in water up to the upper surface 4a of the groove 4 for root derivation. This buoyancy is adjusted by the width and depth of the buoyancy adjusting groove 3.
【０００８】而して、浮力調整用凹溝３の底面３ａから
根導出用凹溝４に開口する貫通孔５に、水耕性に優れ、
且つ、汚水及び水質浄化作用に優れた植物Ａ、例えば、
インパチェンスやミント等を植設した汚水及び水質浄化
用浮島１を河川や湖沼等に浮かべ、河川や湖沼等に流れ
込む生活雑排水等に含まれる全窒素、全燐及びＢＯＤ
（生物化学的酸素要求量で、数値が高いほど有機物の量
が多い）等を、インパチェンスやミント等の植物Ａによ
り吸収させ河川や湖沼等の汚れを浄化する。従って、赤
潮やアオコ等の発生を有効に防止し、河川等に棲息する
魚介類の育成環境を確保した上で水辺を美化することが
でき、また、育成されたインパチェンスやミント等の植
物を出荷することにより二次産業としても利用し得る。
さらに、発泡樹脂からなる基台２は焼却処分できるの
で、基台２が二次公害となることもない。The through hole 5 opening from the bottom surface 3a of the buoyancy adjusting groove 3 to the root leading groove 4 has excellent hydroponic properties.
And plant A excellent in sewage and water purification action, for example,
Floating island 1 for sewage and water purification planted with impatiens and mint, etc. is floated on rivers and lakes, etc., and total nitrogen, total phosphorus and BOD contained in general wastewater flowing into rivers and lakes
(The biochemical oxygen demand, the higher the numerical value, the greater the amount of organic matter) is absorbed by plants A such as impatiens and mint to purify dirt such as rivers and lakes. Therefore, it is possible to effectively prevent the occurrence of red tides and blue-green algae, secure the breeding environment for fish and shellfish that inhabit rivers, etc., beautify the waterfront, and ship cultivated plants such as impatiens and mint. By doing so, it can also be used as a secondary industry.
Furthermore, since the base 2 made of a foamed resin can be incinerated, the base 2 does not cause secondary pollution.
【０００９】また、基台２の側面２ａにロープ挿通孔６
を設け、このロープ挿通孔６にロープを引き通して岸に
係留しておくことにより、河川や湖沼等に浮かべた複数
の汚水及び水質浄化用浮島１が風等により１箇所に吹き
寄せられたり、下流に流下するのを防止することがで
き、また、複数の汚水及び水質浄化用浮島１をロープに
より連結し汚水及び水質浄化面積を広く取ることによ
り、より効果的に河川や湖沼等を浄化し得る。 A rope insertion hole 6 is formed in the side surface 2a of the base 2.
The rope is passed through the rope insertion hole 6
By mooring, multiple floating on rivers and lakes
Sewage and water quality purification floating island 1 is blown to one place by wind etc.
Can be prevented from coming down or flowing downstream.
In addition, a plurality of floating islands for sewage and water purification 1
By connecting more and increasing the area of sewage and water purification
And can more effectively purify rivers and lakes.
【００１０】さらに、基台２にウレタン、アクリル、岩
石粉混合接着剤等からなる表面効果剤を塗布含浸させて
おくことにより、補強性、耐候性等に優れた基台２が得
られる。Further, urethane, acrylic, rock,
Applying and impregnating a surface effect agent consisting of stone powder mixed adhesive etc.
By doing so, the base 2 having excellent reinforcement, weather resistance, etc. can be obtained.
Can be
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を図面
により説明する。図１は本発明の実施の形態を示す分解
斜視図、図２は縦断面図、図３は横断面図、図４は使用
状態を示す説明図で、図において１は汚水及び水質浄化
用浮島、２は汚水及び水質浄化用浮島１を構成する発泡
スチロール、発泡ポリエチレン等の発泡樹脂からなる基
台、３は基台２の上面に設けられた浮力調整用凹溝、４
は基台２の下面に設けれらた根導出用凹溝で、この根導
出用凹溝４は図３に示すように中央部を補強リブ２ｂに
より仕切られている。５は前記浮力調整用凹溝３の底面
３ａに所定の間隔で縦横に列設された貫通孔で、この貫
通孔５は根導出用凹溝４に開口している。６、６は基台
２の相対向する側面２ａ、２ａの両端部に穿設されたロ
ープ挿通孔で、このロープ挿通孔６は根導出用凹溝４に
開孔している。このロープ挿通孔６にロープを引き通し
図４に示すように岸に係留しておくことにより、河川や
湖沼等に浮かべた複数の汚水及び水質浄化用浮島１が風
等により一箇所に吹き寄せられたり下流に流されるのを
確実に防止することができ、また、複数の汚水及び水質
浄化用浮島１をロープにより連結し浄化面積を大きくと
ることにより、より効果的に河川や湖沼等を浄化し得
る。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a longitudinal sectional view, FIG. 3 is a transverse sectional view, and FIG. 4 is an explanatory view showing a use state, wherein 1 is a floating island for sewage and water purification. Reference numeral 2 denotes a base made of a foamed resin such as styrene foam or polyethylene, which constitutes the floating island 1 for purifying sewage and water quality. Reference numeral 3 denotes a buoyancy adjusting groove provided on the upper surface of the base 2.
Is a root leading groove provided on the lower surface of the base 2, and the root leading groove 4 is partitioned at its center by a reinforcing rib 2b as shown in FIG. Numeral 5 is a through-hole which is arranged vertically and horizontally at a predetermined interval on the bottom surface 3a of the buoyancy adjusting groove 3. Reference numerals 6, 6 denote rope insertion holes formed at both ends of the opposing side surfaces 2a, 2a of the base 2, and the rope insertion holes 6 are opened in the root leading-out concave grooves 4. By pulling the rope through the rope insertion hole 6 and mooring it on the shore as shown in FIG. 4, a plurality of sewage and water purification floating islands 1 floating on rivers and lakes are blown to one place by wind or the like. Floating islands for wastewater and water purification are connected by ropes to increase the purification area, thereby purifying rivers and lakes more effectively. obtain.
【００１２】なお、基台２の形状は矩形状に限らず適宜
の形状とし得るものであり、また、ロープ挿通孔６を設
ける位置及び個数は必要に応じて適宜設計変更し得るこ
とは勿論である。The shape of the base 2 is not limited to a rectangular shape, but may be any suitable shape. The position and the number of the rope insertion holes 6 can of course be appropriately changed as necessary. is there.
【００１３】また、基台２にウレタン、アクリル、岩石
粉混合接着剤等からなる表面硬化剤を塗布含浸させてお
くことにより、補強性及び耐候性等に優れた基台２が得
られる。Further, by coating and impregnating the base 2 with a surface hardener composed of an adhesive mixture of urethane, acrylic, rock powder or the like, the base 2 having excellent reinforcing properties and weather resistance can be obtained.
【００１４】Ａは水耕性に優れ、且つ、汚水及び水質浄
化作用に優れた、例えば、インパチェンスやミント等の
汚水及び水質浄化用植物で、該植物Ａは前記基台２に設
けた浮力調整用凹溝３の底面３ａに所定の間隔で縦横に
列設された貫通孔５に植設され、その根は図２に示すよ
うに根導出用凹溝４内に導出されている。このことか
ら、前述した基台２は、その下面に設けた根導出用凹溝
４の溝上面４ａまで水中に沈める必要がある（図４参
照）。この浮力は使用する植物の種類や本数、使用河川
等の浮力に応じて浮力調整用凹溝３の幅や深さにより調
整する。A is a plant for purifying sewage and water, such as impatiens and mint, having excellent hydroponic properties and excellent sewage and water purification action. The roots are planted in through-holes 5 arranged vertically and horizontally at predetermined intervals on the bottom surface 3a of the groove 3 for use, and the root thereof is led out into the groove 4 for leading out the lead as shown in FIG. For this reason, the base 2 needs to be submerged in water up to the groove upper surface 4a of the root leading groove 4 provided on its lower surface (see FIG. 4). The buoyancy is adjusted by the width and depth of the buoyancy adjusting groove 3 in accordance with the type and number of plants used and the buoyancy of the river used.
【００１５】上述のように構成した本発明の汚水及び水
質浄化用浮島１により河川や湖沼等の汚れを浄化するに
は、基台２に設けた貫通孔５にインパチェンスやミント
等の水耕性に優れ、且つ、汚水及び水質浄化作用に優れ
た植物Ａを植設した汚水及び水質浄化用浮島１を生活雑
排水等の排出口近傍の河川や湖沼等に浮かべ、河川や湖
沼等の水中に含まれる全窒素、全燐及びＢＯＤ（生物化
学的酸素要求量で、数値が高いほど有機物の量が多い）
を、インパチェンスやミント等の植物Ａにより吸収さ
せ、河川や湖沼等の汚れを浄化する。この際、前述した
ように、汚水及び水質浄化用浮島１をロープにより岸に
係留（図４参照）しておくことにより、複数の汚水及び
水質浄化用浮島１が風等により一箇所に吹き寄せられた
り、下流に流されるのを確実に防止することができ、ま
た、複数の汚水及び水質浄化用浮島１をロープにより連
結し汚水処理面積を大きく取ることにより、より効果的
に河川や湖沼等を浄化し得る。さらに、汚水及び水質浄
化用浮島１を構成する基台２は焼却処分することができ
るので、基台２が二次公害となることもない。In order to purify dirt such as rivers, lakes and marshes by the sewage and water purification floating island 1 of the present invention configured as described above, the water cultivation such as impatiens or mint is formed in the through hole 5 provided in the base 2. Floating island 1 for plant and sewage purification with plant A, which is excellent in sewage and water purification properties, is floated on rivers, lakes, etc. near discharge outlets for household wastewater, etc. Total nitrogen, total phosphorus and BOD contained (Biochemical oxygen demand, the higher the number, the greater the amount of organic matter)
Is absorbed by a plant A such as impatiens or mint to purify dirt such as rivers and lakes. At this time, as described above, the floating islands 1 for purifying sewage and water quality are moored to the shore with ropes (see FIG. 4), so that a plurality of floating islands 1 for purifying sewage and water quality are blown to one place by wind or the like. Or drainage to the downstream can be reliably prevented, and a plurality of sewage and water purification purification floating islands 1 are connected by ropes to increase the sewage treatment area, so that rivers, lakes and marshes can be more effectively formed. Can be purified. Furthermore, since the base 2 that constitutes the floating island 1 for sewage and water purification can be incinerated, the base 2 does not cause secondary pollution.
【００１６】次に具体例について説明する。Next, a specific example will be described.
【００１７】基台２にインパチェンスを植設した本発明
の汚水及び水質浄化用浮島１を、団地の生活雑排水が流
れ込む川に４０ｍに亘って浮かべ、生活雑排水を１日に
３ｔ流し、下流において水中の全窒素、全燐及びＢＯＤ
（生物化学的酸素要求量で、数値が高いほど有機物の量
が多い）の除去率を４月から１１月に亘り測定した。The floating island 1 for purifying sewage and water quality of the present invention in which an impatiens is planted on the base 2 is floated for 40 m in the river where the domestic wastewater of the housing complex flows. Total nitrogen, total phosphorus and BOD in water
(The higher the number, the higher the amount of organic matter in the biochemical oxygen demand.) The removal rate was measured from April to November.
【００１８】その結果、団地から排出される生活雑排水
中に含まれていた全窒素は最高７１％、全燐は最高９４
％、ＢＯＤは最高８６％除去され、川に流れ込む生活雑
排水を極めて有効に浄化し得るという結果が得られた。As a result, the total nitrogen contained in the gray water discharged from the housing complex is up to 71%, and the total phosphorus is up to 94%.
% And BOD were removed by up to 86%, and the results showed that domestic wastewater flowing into the river could be purified very effectively.
【００１９】上記の実験結果からも明らかなように、生
活雑排水等に含まれる全窒素、全燐及びＢＯＤはインパ
チェンス等の植物により極めて有効に吸収され、生活雑
排水等が河川や湖沼等に流れ込むことに起因する赤潮・
アオコの発生を極めて有効に防止することができるの
で、河川や湖沼に棲息する魚介類の育成環境の改善は勿
論のこと、水辺の美化、また、育成されたインパチェン
ス等の植物を出荷することにより二次産業としても利用
し得る。As is clear from the above experimental results, total nitrogen, total phosphorus and BOD contained in domestic wastewater and the like are very effectively absorbed by plants such as impatiens, and the general wastewater and the like are absorbed into rivers, lakes and marshes. Red tide caused by flowing
Since the occurrence of blue-green algae can be prevented very effectively, it is possible to improve the breeding environment for fish and shellfish living in rivers and lakes, beautify the waterside, and ship cultivated plants such as impatiens. It can also be used as a secondary industry.
【００２０】なお、全窒素の吸収速度の速い花卉として
は、実験結果からインパチェンスを筆頭にマリーゴール
ド、サルビア、プリムラ類、ユリオプス・デージー及び
センニチコウが挙げられ、特に、インパチェンスは１本
が１日に処理水２００１中に含まれる窒素の全量に当た
る４．０ｍｇを吸収した。これに対し、ベコニア・セン
パフローレンス、ゼラニウム、カランコエ及びペチュニ
アは根の発生が少なく全窒素の吸収率が悪く、汚水浄化
に使用する植物としては適さなかった。As a flower having a high total nitrogen absorption rate, marigold, salvia, primula, lilyops daisy and sennichiko are listed first from impatiens based on experimental results, and in particular, one impatiens per day 4.0 mg corresponding to the total amount of nitrogen contained in the treated water 2001 was absorbed. On the other hand, Beconia sempaflorence, geranium, kalanchoe, and petunia were not suitable as plants used for sewage purification because they had low root generation and had poor total nitrogen absorption.
【００２１】また、全燐の吸収速度においては、ベコニ
ア・センパフローレンス、カランコエ、ペチュニア及び
センニチコウ以外は処理水に含まれる燐の全量に当たる
０．２２ｍｇ、或いは、これに近い吸収速度を示した。In addition, the absorption rate of total phosphorus was 0.22 mg corresponding to the total amount of phosphorus contained in the treated water, except for Beconia semporflorence, Kalanchoe, Petunia and Sennichiko, or an absorption rate close thereto.
【００２２】[0022]
【発明の効果】上面に浮力調整用凹溝３と下面に根導出
用凹溝４を設け、前記浮力調整用凹溝３の底面３ａから
根導出用凹溝４に開孔する貫通孔５を所定の間隔で縦横
に列設した発泡樹脂からなる基台２の前記貫通孔５に、
水耕性に優れ、且つ、汚水及び水質浄化作用に優れた植
物Ａを植設して浮島１を構成し、前記植物Ａにより窒素
や燐等の有機物を吸収させ、河川や湖沼等の汚れ及び水
質を浄化すると共に、本発明によれば上述のように、河
川や湖沼等の汚れを極めて有効に浄化し得るので、河川
や湖沼等に棲息する魚介類の育成環境の改善は勿論のこ
と、水辺を美化することができ、また、育成されたイン
パチェンスやミント等を出荷することにより二次産業と
して利用することができる。さらに、汚水及び水質状か
用浮島１を構成する発泡樹脂からなる基台２は焼却処分
し得るので、基台２が二次公害と成ることもない等の優
れた利点がある。According to the present invention , the buoyancy adjusting groove 3 is provided on the upper surface and the root is derived on the lower surface.
Groove 4 for buoyancy adjustment from the bottom surface 3a of the groove 3 for adjusting buoyancy.
The through-holes 5 formed in the root-leading groove 4 are vertically and horizontally arranged at predetermined intervals.
In the through holes 5 of the base 2 made of a foamed resin arranged in
Planting with excellent hydroponic properties and excellent sewage and water purification action
The floating island 1 is constructed by planting the material A, and the plant A
Absorbs organic matter such as phosphorus and phosphorus, dirt and water from rivers and lakes
In addition to purifying the quality , according to the present invention, as described above, dirt from rivers and lakes can be extremely effectively purified, so that the environment for raising fish and shellfish that inhabits rivers and lakes is improved, of course. It can beautify the waterside and can be used as a secondary industry by shipping the grown impatiens or mint. Further, since the base 2 made of foamed resin constituting the sewage and water quality or the floating island 1 can be incinerated, there is an excellent advantage that the base 2 does not cause secondary pollution.
【図１】本発明の実施の形態を示す分解斜視図。FIG. 1 is an exploded perspective view showing an embodiment of the present invention.
【図２】縦断面図。FIG. 2 is a longitudinal sectional view.
【図３】横断面図。FIG. 3 is a cross-sectional view.
【図４】使用状態を示す説明図。FIG. 4 is an explanatory diagram showing a use state.
１ 汚水及び水質浄化用浮島 ２ 基台 ３ 浮力調整用凹溝 ３ａ 底面 ４ 根導出用凹溝 ５ 貫通孔 Ａ 汚水及び水質浄化用植物 DESCRIPTION OF SYMBOLS 1 Floating island for sewage and water purification 2 Base 3 Buoyancy adjustment concave groove 3a Bottom surface 4 Root lead-out concave groove 5 Through hole A Plant for sewage and water purification
Claims (1)
導出用凹溝（４）を設け、前記浮力調整用凹溝（３）の
底面（３ａ）から根導出用凹溝（４）に開孔する貫通孔
（５）を所定の間隔で縦横に列設した発泡樹脂からなる
基台（２）の前記貫通孔（５）に、水耕性に優れ、か
つ、汚水及び水質浄化作用に優れた植物（Ａ）を植設
し、基板（２）の側面（２ａ）にロープ挿通孔（６）を
設け、発泡樹脂からなる基板（２）に、ウレタン、アク
リル、岩石粉混合接着剤等からなる表面硬化剤を塗布含
浸させたことを特徴とする汚水及び水質浄化用浮島。 A buoyancy adjusting groove (3) is provided on an upper surface and a root leading groove (4) is provided on a lower surface, and a root leading groove (3a) is formed from a bottom surface (3a) of the buoyancy adjusting groove (3). 4) The through-holes (5) of the base (2) made of a foamed resin in which through-holes (5) are formed at predetermined intervals in rows and columns are provided with excellent hydroponic properties, as well as sewage and water quality. A plant (A) having an excellent purification effect is planted, and a rope insertion hole (6) is provided on the side surface (2a) of the substrate (2).
The substrate (2) made of foamed resin is
Ril, rock powder mixed adhesive, etc.
A floating island for sewage and water purification characterized by being immersed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8214132A JP3005849B2 (en) | 1996-07-26 | 1996-07-26 | Floating island for sewage and water purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8214132A JP3005849B2 (en) | 1996-07-26 | 1996-07-26 | Floating island for sewage and water purification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1034187A JPH1034187A (en) | 1998-02-10 |
| JP3005849B2 true JP3005849B2 (en) | 2000-02-07 |
Family
ID=16650765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8214132A Expired - Fee Related JP3005849B2 (en) | 1996-07-26 | 1996-07-26 | Floating island for sewage and water purification |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3005849B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW458762B (en) * | 1999-12-13 | 2001-10-11 | Ain Engineering Kk | Resin cultivating base, water purifying device and method using resin cultivating base |
| KR20010000946A (en) * | 2000-10-30 | 2001-01-05 | 박동윤 | The filtering foul water by plastic system for aquatic. |
| CN102381450B (en) * | 2011-08-05 | 2013-09-25 | 胡爱生 | Artificial floating island for planting on water and planting groove thereof |
| CN102674556B (en) * | 2012-05-24 | 2013-07-03 | 河海大学 | Composite ecological floating bed for providing biotope |
| CN103214143B (en) * | 2013-03-21 | 2014-04-30 | 杭州天凯生物科技有限公司 | High efficiency combined restoration technology for urban river water bodies |
| CN107500471B (en) * | 2017-09-04 | 2020-11-03 | 西北农林科技大学 | Method for preventing and controlling nitrogen and phosphorus loss of slope farmland |
-
1996
- 1996-07-26 JP JP8214132A patent/JP3005849B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1034187A (en) | 1998-02-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |