JP2011041871A - Method for treating polluted water - Google Patents

Method for treating polluted water Download PDF

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JP2011041871A
JP2011041871A JP2009189788A JP2009189788A JP2011041871A JP 2011041871 A JP2011041871 A JP 2011041871A JP 2009189788 A JP2009189788 A JP 2009189788A JP 2009189788 A JP2009189788 A JP 2009189788A JP 2011041871 A JP2011041871 A JP 2011041871A
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water
useful microorganisms
concrete block
polluted water
fence
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JP5315520B2 (en
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Rin Hatano
倫 波多野
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Nihon Solid Co Ltd
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    • 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

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  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To clean a polluted water area by arranging concrete blocks containing useful microorganisms on a pollution preventive fence to effectively remove pollutants in the polluted water. <P>SOLUTION: In this method for treating the polluted water, the concrete blocks containing the useful microorganisms are arranged on the net fence of the pollution preventive fence to bring the polluted water into contact with the useful microorganisms and efficiently remove the pollutants in the water. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、汚濁水域の浄化方法に係わる、海、河川、湖沼等における汚濁水域の汚濁物質を各水深に設けた有用微生物を含ませたコンクリートブロックにより、汚濁水を処理する方法に関する。 The present invention relates to a method for treating polluted water with a concrete block containing useful microorganisms provided with pollutants in polluted water areas in the sea, rivers, lakes, and the like, in relation to a method for purifying polluted water areas.

従来、枯草菌やその一種である納豆菌（細菌学上は、バチルス属に分類）の有用微生物を含ませたコンクリートブロックを使用し、家庭汚水、工場排水、畜産汚水の処理水の浄化施設または水路等の壁面や床面のライニングとして、自然に負荷を与えずに使用することが知られている（特許文献１）。 Conventionally, it uses concrete blocks containing useful microorganisms of Bacillus subtilis and its kind, Bacillus natto (bacteriologically classified as genus Bacillus). As a lining for a wall surface or a floor surface of a water channel or the like, it is known to use it without giving a load naturally (Patent Document 1).

特許第４０６５４０２Patent No. 4065402

しかしながら、使用する場所が施設または水路等の壁面や床面と限定され、汚濁水が停滞する場合は効果も表れるが、流れのある場合は、汚水等と有用微生物を含ませたコンクリートブロックとの接触頻度が限定され、その効果は小さいのが現状であった。 However, the place where it is used is limited to the walls and floors of facilities or waterways, etc., and if the contaminated water stagnates, it will be effective, but if there is a flow, there will be a relationship between the sewage and the concrete block containing useful microorganisms. The current situation is that the contact frequency is limited and the effect is small.

そこで本発明者は、汚濁防止フェンスと有用微生物を含ませたコンクリートブロックを組み合わせ、流体の流れの中に接触面を設け、有用微生物を含ませたコンクリートブロックを置くことによって、汚濁水と有用微生物を接触させ、水中の汚濁物質を効率よく除去する方法について種々研究を重ねた結果本発明を完成するに至った。 Therefore, the present inventor combined a pollution prevention fence and a concrete block containing useful microorganisms, provided a contact surface in the flow of the fluid, and placed the concrete block containing useful microorganisms, whereby contaminated water and useful microorganisms were placed. As a result of various studies on methods for efficiently removing pollutants in water, the present invention has been completed.

すなわち、本発明は、流水中の汚濁水の処理において、水中に垂下させたネットフェンス等に有用微生物を含ませたコンクリートブロックを固定して、汚濁水と有用微生物を接触させ、水中の汚濁物質を効率よく除去し、汚濁水を処理する方法にある。   That is, in the treatment of polluted water in running water, the present invention fixes a concrete block containing useful microorganisms in a net fence or the like suspended in the water, contacts the polluted water with useful microorganisms, Is a method for efficiently removing water and treating contaminated water.

本発明方法によれば、流水中に垂下させたネットフェンスを設けると、汚濁水はネットフェンスに当たり、乱流となって、渦を巻き、カルマン過流が生ずる。ネットフェンスに有用微生物を含ませたコンクリートブロックを設けると、カルマン過流によって、汚濁水と有用微生物を含ませたコンクリートブロックが接触する頻度が高まる。
処理効果を高めるには、流水中にカルマン過流を生じさせ、有用微生物を含ませたコンクリートブロックとの接触頻度を高めることが最重要である。 According to the method of the present invention, when a net fence suspended in running water is provided, the polluted water hits the net fence and becomes turbulent, vortexes and Kalman overflow occurs. When a concrete block containing useful microorganisms is provided on the net fence, the frequency of contact between the contaminated water and the concrete block containing useful microorganisms increases due to Kalman overflow.
In order to enhance the treatment effect, it is most important to generate Kalman overflow in running water and increase the contact frequency with a concrete block containing useful microorganisms.

本発明における汚濁防止フェンスの一例を示す斜視図The perspective view which shows an example of the pollution prevention fence in this invention 本発明における汚濁防止フェンスを前から見た正面図The front view which looked at the pollution prevention fence in this invention from the front 本発明における汚濁防止フェンスの図２の側面図The side view of FIG. 2 of the pollution prevention fence in this invention 本発明における汚濁防止フェンスの他の一例を示す正面図The front view which shows another example of the pollution prevention fence in this invention

次に本発明の実施形態を図１〜図４に基づいて説明するが、本発明は以下の説明のみに限定されるものではない。 Next, although embodiment of this invention is described based on FIGS. 1-4, this invention is not limited only to the following description.

図１は本発明における汚濁水の処理の汚濁防止フェンスを用いる場合を例にとり説明する。
１の汚濁防止フェンスは、上部に浮体２を設け、水面に浮上している。浮体２の下方にネットフェンス３を設け、ネットフェンス３の下部にウエイト４を設け、ネットフェンス３を水中に垂下させている。汚濁防止フェンス１は、連結ワイヤー５によって連接されている。さらにネットフェンス３には有用微生物を含ませたコンクリートブロック６を紐７等で固定する。
コンクリートブロック６はその向きを水平方向及び垂直方向に取り付けることも出来る。ウエイト４にコンクリートブロック６を取り付けても良く、ウエイトの代わりに使用することが出来る。
図３は本発明の汚濁防止フェンス１を汚濁水の流水中に垂下させることで、流水は垂下したネットフェンス３の前後に、乱流となって、渦を巻き、カルマン過流８が生ずる。カルマン過流８が生ずる場に、ネットフェンス３の前後に有用微生物を含ませたコンクリートブロック６を設けることで、有用微生物を含ませたコンクリートブロック６に汚濁水が接触する。有用微生物を含ませたコンクリートブロック６は汚濁水がカルマン過流８の生ずる場に置くことで、接触頻度を増し、長い時間接触する。有用微生物を含ませたコンクリートブロック６と汚濁水の接触によって、水中の汚濁物質を効率よく除去し、汚濁水を処理する。 FIG. 1 will be described by taking as an example the case of using a pollution prevention fence for treating polluted water in the present invention.
The pollution prevention fence 1 is provided with a floating body 2 in the upper part and floats on the water surface. A net fence 3 is provided below the floating body 2, a weight 4 is provided below the net fence 3, and the net fence 3 is suspended in water. The pollution prevention fence 1 is connected by a connecting wire 5. Further, a concrete block 6 containing useful microorganisms is fixed to the net fence 3 with a string 7 or the like.
The concrete block 6 can be mounted in the horizontal direction and the vertical direction. A concrete block 6 may be attached to the weight 4 and can be used instead of the weight.
FIG. 3 shows that the pollution prevention fence 1 according to the present invention is suspended in the running water of the polluted water, and the running water becomes a turbulent flow before and after the drooping net fence 3 to wind a vortex and a Kalman overflow 8 occurs. By providing the concrete block 6 containing useful microorganisms before and after the net fence 3 in a place where the Kalman overflow 8 is generated, the contaminated water comes into contact with the concrete block 6 containing useful microorganisms. The concrete block 6 containing useful microorganisms is placed in a place where polluted water is generated by the Kalman overflow 8, so that the contact frequency is increased and the concrete block 6 contacts for a long time. By contacting the concrete block 6 containing useful microorganisms with the polluted water, the polluted water is efficiently removed and the polluted water is treated.

本発明の汚濁防止フェンス１に使用する有用微生物を含ませたコンクリート６は、耐アルカリ性を備えた納豆菌群を培養・抽出し、ポーラスコンクリート・ブロック内に生存かつ繁殖可能な状態で封印したものである。納豆菌群の生存可能温度は１０℃〜１１０℃、有効繁殖温度域は１０℃〜６５℃、生存可能ｐＨ値はｐＨ３〜ｐＨ１１である。納豆菌群は好気性微生物群である。 Concrete 6 containing useful microorganisms for use in the pollution prevention fence 1 of the present invention is obtained by culturing and extracting natto fungi with alkali resistance and sealing them in a porous concrete block so that they can survive and reproduce. It is. The viable temperature of the Bacillus natto group is 10 ° C. to 110 ° C., the effective breeding temperature range is 10 ° C. to 65 ° C., and the viable pH value is pH 3 to pH 11. The Bacillus natto group is an aerobic microorganism group.

有用微生物を含ませたコンクリートブロック６には、納豆菌群が長期間生損しやすいように餌も同時に封入されている。コンクリートブロック６に使用される骨材として、微細な気泡を含む火山弾石を使用したものや、天然ゼオライトを使用することによって、汚濁水に含まれる有機物をコンクリートブロック表面に付着させ、再懸濁を抑え、水域の浄化を素早く向上させることも出来る。   In the concrete block 6 containing useful microorganisms, bait is also enclosed at the same time so that the natto bacteria group can be easily lost for a long time. The aggregate used in the concrete block 6 is made of volcanic granite containing fine bubbles or natural zeolite, so that the organic matter contained in the contaminated water adheres to the concrete block surface and is resuspended. It is also possible to quickly improve the purification of water bodies.

有用微生物を含ませたコンクリートブロック６の形状としては、円筒状、キュービック状、レンガブロック状、プレート状等あるが、汚濁防止フェンスに取り付け可能な形状としては、円筒状のものが取り付けにも、表面積の多さにも最も好ましい形状である。 As the shape of the concrete block 6 containing useful microorganisms, there are a cylindrical shape, a cubic shape, a brick block shape, a plate shape, etc., but as a shape that can be attached to the pollution prevention fence, a cylindrical shape can be attached, It is the most preferable shape because of its large surface area.

有用微生物である納豆菌群は、好気性微生物群であるため、使用場所の溶存酸素の少ないところでは、空気を絶えず送り続けない限り、水中で使用することが困難であるため、図４に示すように、水面９に有用微生物を含ませたコンクリートブロック６の一部を絶えず水面から出でる場所である、浮体２と浮体２の間に設けることで、空気中の酸素を取り入れ、汚濁水域の浄化を図ることが出来る。   Since the Bacillus natto group, which is a useful microorganism, is an aerobic microorganism group, it is difficult to use it in water unless the air is continuously sent at a place where the dissolved oxygen is low, as shown in FIG. As described above, by providing a part of the concrete block 6 containing useful microorganisms in the water surface 9 between the floating body 2 and the floating body 2, which is a place where the part constantly comes out of the water surface, oxygen in the air is taken in and Purification can be achieved.

本発明における汚濁防止フェンスに使用される有用微生物を含ませたコンクリートブロックの納豆菌群は繁殖して水中に漂うか、ものに付着して増殖する、付着するものとしてネットフェンスは好適である。更にネットフェンスにモール状の組紐を取り付けることによって、納豆菌群がモール状の細かい繊維に付着しやすくすることができ、汚濁水の浄化に好適である。
更に、本発明における汚濁防止フェンスに使用されるネットフェンスの他にシートフェンスは、遅い流れにおいても、流水に乱流を起こし、渦を巻き、カルマン過流が生じさせるため、有用微生物を含ませたコンクリートブロックとの接触頻度を増し、長い時間接触することが可能となり、水中の汚濁物質を効率よく除去し、汚濁水を処理し、汚濁水の浄化に好適である。 A natto fungus group of a concrete block containing useful microorganisms used in the pollution control fence according to the present invention propagates and floats in the water, or adheres to and proliferates. Furthermore, by attaching a molding braid to the net fence, the natto bacteria group can easily adhere to the molding-like fine fibers, which is suitable for purification of polluted water.
Furthermore, in addition to the net fence used for the pollution prevention fence in the present invention, the sheet fence causes turbulent flow in the flowing water even in a slow flow, vortexes, and Kalman overflow. It is possible to increase the contact frequency with the concrete block and to make contact for a long time, to efficiently remove pollutants in the water, to treat the polluted water, and to purify the polluted water.

本発明方法のように、汚濁防止フェンスのネットフェンス３に有用微生物を含ませたコンクリートブロックを設けることで、流水は垂下したネットフェンス３の前後に、乱流となって、渦を巻き、カルマン過流が生じ、有用微生物を含ませたコンクリートブロックに汚濁水が接触を繰り返し、有用微生物が水中の汚濁物質を効率よく除去し、汚濁水を処理することができる。 By providing a concrete block containing useful microorganisms in the net fence 3 of the pollution prevention fence as in the method of the present invention, the flowing water becomes a turbulent flow before and after the drooping net fence 3 to form a vortex, Overflow occurs, and the contaminated water repeatedly contacts the concrete block containing useful microorganisms, and the useful microorganisms can efficiently remove contaminants in the water and treat the contaminated water.

１・・・・汚濁防止フェンス
２・・・・浮体
３・・・・ネットフェンス
４・・・・ウエイト
６・・・・有用微生物を含ませたコンクリートブロック 1 .... Fouling prevention fence 2 .... Floating body 3 ... Net fence 4 ... Weight 6 ... Concrete block containing useful microorganisms

Claims (1)

汚濁水域の各水深を網羅する汚濁防止フェンスに有用微生物を含ませたコンクリートブロックを設け、汚濁水をこの有用微生物を含ませたコンクリートブロックに接触、付着、ろ過させ、汚濁水を浄化させることを特徴とする汚濁水の処理方法。 A concrete block containing useful microorganisms is installed in a pollution prevention fence that covers each depth of the contaminated water area, and the contaminated water is brought into contact with, adhered to, and filtered into the concrete block containing useful microorganisms to purify the contaminated water. A method for treating contaminated water.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015124564A (en) * 2013-12-27 2015-07-06 前田建設工業株式会社 Wall structure for preventing contaminant diffusion using zeolite-based concrete panel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01111487A (en) * 1987-10-24 1989-04-28 Toyo Kensetsu Kk Concrete block for water purification
JPH03262598A (en) * 1990-03-13 1991-11-22 Onoda Cement Co Ltd Block for purifying water channel and purifying method of water channel
JPH06272223A (en) * 1993-03-23 1994-09-27 Kensetsusho Kanto Chiho Kensetsu Kyokucho Purifying device for river
JPH0975967A (en) * 1995-09-06 1997-03-25 Ishigaki:Kk Catalytic oxidizer loader in sewage purifier
JPH11128969A (en) * 1997-10-29 1999-05-18 Mitsunori Kitagawa Purification improving member
JP2001107333A (en) * 1999-10-07 2001-04-17 Fujita Corp Poor oxygen water mass infiltration preventive method and poor oxygen water mass infiltration preventive fence
JP2003024061A (en) * 2001-07-17 2003-01-28 Toyo Constr Co Ltd Microorganism-carrying unit and underwater structure using the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01111487A (en) * 1987-10-24 1989-04-28 Toyo Kensetsu Kk Concrete block for water purification
JPH03262598A (en) * 1990-03-13 1991-11-22 Onoda Cement Co Ltd Block for purifying water channel and purifying method of water channel
JPH06272223A (en) * 1993-03-23 1994-09-27 Kensetsusho Kanto Chiho Kensetsu Kyokucho Purifying device for river
JPH0975967A (en) * 1995-09-06 1997-03-25 Ishigaki:Kk Catalytic oxidizer loader in sewage purifier
JPH11128969A (en) * 1997-10-29 1999-05-18 Mitsunori Kitagawa Purification improving member
JP2001107333A (en) * 1999-10-07 2001-04-17 Fujita Corp Poor oxygen water mass infiltration preventive method and poor oxygen water mass infiltration preventive fence
JP2003024061A (en) * 2001-07-17 2003-01-28 Toyo Constr Co Ltd Microorganism-carrying unit and underwater structure using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015124564A (en) * 2013-12-27 2015-07-06 前田建設工業株式会社 Wall structure for preventing contaminant diffusion using zeolite-based concrete panel

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