JP3052157B2 - ダム下流河川の浄化方法 - Google Patents

ダム下流河川の浄化方法

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Publication number
JP3052157B2
JP3052157B2 JP3197511A JP19751191A JP3052157B2 JP 3052157 B2 JP3052157 B2 JP 3052157B2 JP 3197511 A JP3197511 A JP 3197511A JP 19751191 A JP19751191 A JP 19751191A JP 3052157 B2 JP3052157 B2 JP 3052157B2
Authority
JP
Japan
Prior art keywords
dam
shells
river
purification method
present
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
Application number
JP3197511A
Other languages
English (en)
Other versions
JPH04333711A (ja
Inventor
倫 波多野
Original Assignee
日本ソリッド株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本ソリッド株式会社 filed Critical 日本ソリッド株式会社
Priority to JP3197511A priority Critical patent/JP3052157B2/ja
Publication of JPH04333711A publication Critical patent/JPH04333711A/ja
Application granted granted Critical
Publication of JP3052157B2 publication Critical patent/JP3052157B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Artificial Fish Reefs (AREA)
  • Revetment (AREA)

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、ダム下流河川の浄化方
法に関する。
【０００２】
【従来の技術】ダム下流河川は、自然の土砂の流入が殆
どない為に、人工河川的となり、自然環境の浄化機能を
阻害しているのが現状である。
【０００３】
【発明が解決しようとする課題】本発明者は、これら従
来のダム下流河川を、昔のような自然環境の浄化機能を
有する方法につき種々研究を重ねた結果、本発明を完成
するに至った。
【０００４】
【課題を解決するための手段】本発明は、ダム下流部の
河川中に焼成した貝殻を浸設することにより、貝殻が水
流によって徐々に破砕され、浮石効果等により水質浄化
を促す、ダム下流河川の浄化方法である。
【０００５】次に本発明をさらに詳細に説明する。本発
明は、ダム近傍の河川の河床に焼成した貝殻を浸設して
なるものである。本発明に使用しえる貝殻としては、例
えばアサリ、ハマグリ、シジミ、カキ殻等の焼成物等が
挙げられる。これらの貝殻は、そのまま河床に浸設して
もよいが、場合によっては、例えばネット状等の袋体に
入れて浸設してもよい。
【０００６】
【発明の効果】このように、河床に焼成した貝殻を浸設
することにより、貝殻が水流によって徐々に破砕され、
細かくなり、これが浮石効果や河川の河床などによど
み、又岸辺に沈殿、浮遊しながら生物付着体となり、生
物の生存環境を著しく改良することができる。また、河
川の水流によって破砕された貝殻は、いわゆる細砂状と
なり、河川流の大きな抵抗とならないために、自然河川
本来の環境を取り戻すことができる。
【０００７】また、貝殻が細砂状となり河口に到達する
ことによって、河口付近の海岸線の流砂現象も防止する
ことができ、海岸部の自然環境をも保持することができ
る。
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) E02B 8/00 E02B 3/00 E02B 9/02

Claims (1)

    (57)【特許請求の範囲】
  1. 【請求項１】ダム下流部の河川中に焼成した貝殻を浸設
    することにより、貝殻が水流によって徐々に破砕され、
    水質浄化を促す、ダム下流河川の浄化方法
JP3197511A 1991-05-08 1991-05-08 ダム下流河川の浄化方法 Expired - Fee Related JP3052157B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3197511A JP3052157B2 (ja) 1991-05-08 1991-05-08 ダム下流河川の浄化方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3197511A JP3052157B2 (ja) 1991-05-08 1991-05-08 ダム下流河川の浄化方法

Publications (2)

Publication Number Publication Date
JPH04333711A JPH04333711A (ja) 1992-11-20
JP3052157B2 true JP3052157B2 (ja) 2000-06-12

Family

ID=16375691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3197511A Expired - Fee Related JP3052157B2 (ja) 1991-05-08 1991-05-08 ダム下流河川の浄化方法

Country Status (1)

Country Link
JP (1) JP3052157B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6365193B1 (en) 1999-08-30 2002-04-02 Surfcera Co., Ltd. Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereof
AU2943100A (en) * 2000-03-13 2001-09-24 Surfcera Co., Ltd. Antibacterial agent comprising shell, method for purifying water by using the antibacterial agent and method for washing farm product by using the antibacterialagent

Also Published As

Publication number Publication date
JPH04333711A (ja) 1992-11-20

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