| Summary: | 碩士 === 國立嘉義大學 === 土木與水資源工程學系研究所 === 98 === The purpose of this study is to utilize wasted oyster shells from Dongshih, Chiayi County as the contacted bed media to purify domestic wastewater on Er Chong drain flooded fields, Taipei County, and to provide the availability of using wasted oyster shells and water purification efficiency. Flow analysis mainly uses the Laplace equation border mode, to study the emulating experiments in the field of the water level change, and by way of the water level changes in estimates that slot in the block between pore conglomerate. Then refer to Guo (2009) oyster shells gravel treatment on water purification of pores between the conglomerate and the relationship between hydraulic conductivity, and water treatment effect as to each other. BOD removal rates and hydraulic conductivity of the correlation coefficient R 0.64, variability of significant value are significant.
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