• Title/Summary/Keyword: hydro-power

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Feasibility Study on the Construction of Small Hydro-Power Plants in Gumi Sewage Treatment Plant Discharge Point (구미하수처리장 방류구에서의 소수력발전 설치 및 운영에 관한 연구)

  • Nah, Dong-Hun;Lee, Seung-Hwan
    • Journal of Korean Society of Water and Wastewater
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    • v.24 no.2
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    • pp.173-181
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    • 2010

  • This study was conducted to investigate the possible installation of small hydro-power plant at the discharge point of Gumi sewage treatment plant (STP) using treated wastewater. Sufficient amount of water to transfer to electric power and the selection of proper location are two essential elements for the construction of small hydro-power facility. Preliminary analysis based on site visit and existing data in Gumi STP were made. Capacity of the small hydro-power plants and exact location were determined by geomorphological condition and flow duration characteristics. Flow duration characteristics and its duration curve were identified using monthly rainfall data in Gumi STP. Relevant facts of small hydro-power system in other STP were referred to adopt to Gumi STP situation. Flowrate of treated effluents and effective head between flow chamber and the location of hydraulic turbine in Gumi STP are found to be $3.70m^3$/sec and 3.5m respectively. Electric generation rate based on this feasibility study was estimated to be 86.3kW/h. Yearly electric generation rate was expected to be 932.4MMh. Proposed small hydro-power plant construction in Gumi STP is to be reasonable.

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