礫間接觸氧化與濾材接觸氧化之水質淨化場效益評估

林志昌

doi:10.6342/NTU.2015.01120

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礫間接觸氧化與濾材接觸氧化之水質淨化場效益評估

Beneficial Evaluation of Water Purification Plant of Gravel Contact Oxidation and Filter Contact Oxidation

林志昌 , Masters　　Advisor：張慶源　　

繁體中文 DOI： 10.6342/NTU.2015.01120

現地處理；礫間曝氣接觸氧化；多變量統計；因素分析； on-site treatment ； gravel aeration ； contact oxidation ； multivariate analysis ； factor analysis

Abstract │ Reference (64) │ Altmetrics

Abstract 〈TOP〉

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Under the current problems of government financial shortage, low progress on both sewer pipeline construction and coping with sewage by the wastewater treatment plant, it is more effective to adopt on-site treatment method to deal with sewage. Needless to say, when using the on-site treatment method, it can not only purify the quality of water, but also create the ecological scenery and have an environmental education meaning. Therefore, the on-site treatment method is definitely a good sewage purification method which is worth being popularized; moreover, it is an important breakthrough comparing with the current bottleneck that waste water treatment and sewer pipeline facing with.
    The Erren River in southern Taiwan flows through the Rende district and Guiren district with its catchment area above 350 square kilometer. However, due to the long period of untreated discharge of industrial waste and domestic sewage into the Erren River, the water quality of Erren River is deteriorated, especially on the midstream and downstream of San Ye River and Gang Wei Guo River. Consequently, the local government adopts the on-site treatment method of natural purifying technique and anticipates improving the water quality in order to provide the local residents a better living quality. And the materials of the on-site treatment method it use are natural gravel or artificial filter, which can adsorb and decompose bacteria by its pore surface of bio-membrane.
    This study focuses on both the natural gravel site and the artificial contact filter site by monitoring and sampling its own effluent quality and observing its own operation maintenance in order to comprehensively discuss the effect of current treatment. And the method adopting in this study is factor analysis of multivariate analysis in SPSS Statistics (Statistical Product and Service Solutions, SPSS). By using factor analysis, we can analyze the chemical and physical characters of water in order to figure out the hotspot of pollutants in waste water, which can both increase the treatment efficiency and provide future design good criteria.
    The results show that the SS, BOD and ammonia nitrogen removal rate in natural gravel site are 73%, 85% and 68% separately, while the artificial contact filter site are 65%, 66%, 49% respectively. Multivariate statistical analysis of the results of suspended solids in the water quality of the main influencing factors, nutritional factors can be considered, showing its contribution to the interaction between water quality improvement.

Reference ( 64 ) 〈TOP〉

1.US,EPA,1999,Free Water Surface Wetlands for Wastewater Treatment: A Technology Assessment”,EPA 832S99002.
連結：
2.Knight R.L., R.H.Kadlec, H.M.Ohlendorf,1999, “The Use of Treatment Wetlands for Petroleum Industry Effluents”, Environ. Sci. Technol., 33 (7), 973–980.
連結：
3.US EPA,1993,Subsurface Flow Constructed Wetlands For Wastewater Treatment: A Technology Assessment” EPA 832R93008.
連結：
4.Tchobanoglous G., F.L.Burton ,1991,＂Wastewater Engineering: Treatment Disposal Reuse Hardcover”, New York : McGraw-Hill.
連結：
7.行政院環境保護署，2004，環境保護統計資料庫，民國103年重要河川污染現況。
連結：

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