工業區廢水處理廠污泥減量及資源化之成效評估

陳瑞昌

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工業區廢水處理廠污泥減量及資源化之成效評估

Assessment of sludge reduction and recycling of the wastewater treatment plant in industrial park

陳瑞昌 , Masters　　Advisor：莊順興　　

繁體中文

有機物；重金屬；工業區；再利用；消化； organic matter ； heavy metals ； re-use ； industrial park ； digestion

Abstract │ Reference (52) │ Times Cited (4) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

The main purpose of this research is to investigate the sludge charactersitic in the industrial area of wastewater treatment plant. The focuses of this research are on the organic matter and heavy metals contant for exploring how to re-use of sludge conditions and assess their effectiveness. Through the sludge production and composition analysis of the unit, expected the aerobic digestion, dryer dehydration, exposure and drying process can decline the sludge moisture content will decline to 45% in order to achieve effective reuse of sludge.
    The result expresses that the leaching tests for the sludge of heavy metals had in line with the standard dissolution test. The aqua regia digestion of sludge heavy metals detected is also in line with Standards. Statistics the 2010 data of primary sludge concentration is 22520 mg/l, VSS is 10103 mg/l and the ratio of VSS/SS is 0.39. The secondary waste activated sludge of concentration is 9380 mg/l, VSS is 5722 mg/l and the ratio of VSS/SS is 0.60. The tertiary sludge of concentration is 23343 mg/l, VSS is 9616 mg/l and the ratio of VSS/SS is 0.44. The gravity thickened sludge concentration is 23343 mg/l, VSS is 9616 mg/l and the ratio of VSS/SS is 0.41. The digested sludge of concentration is 31742 mg/l, VSS is 12107 mg/l and the ratio of VSS/SS is 0.38.
    These results indicate that the plant is a system with preliminary chemical dosing, secondary biological treatment, third chemical dosing. Waste activated sludge with VSS / SS value of 0.60 is the highest. The generation of primary sludge are the largest. The sludge through digestion tank digested, average the VSS/SS value is 0.38. The value is very close to re-use condition. Then through those operation by sludge dewatering, drying, extended sun exposure and other air-dry.That can significantly reduce the organic matter and moisture content. And then can let sludge in line with the norms of re-use for effectively reduce the cost of sludge treatment.

Reference ( 52 ) 〈TOP〉

1. 王景玟、鄭淑芬、劉蘭萍、林政江，「工業區污水處理廠污泥資源化案例探討」，綠基會通訊，97年7月。
連結：
2. 邱崇銘、鄭淑芬，「工業區污水處理廠污泥資源化案例探討」，綠基會通訊，100年1月。
連結：
7. 王順元、鄭淑芬、劉蘭萍、林明傳，「工業區污水處理廠污泥燒製輕質粒
連結：
研究』，國立中央大學環境工程研究所碩士論文，2003。
連結：
的回顧』，資源與環境學術研討會, 花蓮, 2007。
連結：

Times Cited (4) 〈TOP〉

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