碩士 / 國立成功大學 / 環境工程學系 / 102 / A pilot-scale biological pretreatment for biological ammonia removal of polluted raw water was operated to investigate the nitrification performance under different operational conditions. The batch experiments were done to comprehend the correlation between the nitrification performance and operational conditions, and solve the problem during operation. T-RFLP and qPCR were applied to analyze the nitrifiers community in the carrier. The effluent ammonia concentration can fit regulation standard when influent ammonia concentration is 6 mg-N/L and HRT is 0.5 h. DO should be controlled over 4 mg/L during operation. Besides, unstable water quantity slupply of the influent may decrease nitrification efficiency during pilot-scale operation. T-RFLP analysis revealed that both AOB and AOA exist in the biofilm reactor. AOB community was more stable and was affected by the amount of ammonia removal and AOA was affected by dissolved oxygen based on PC-ORD analysis. However, according to qPCR results, AOB and Nitrospira were the predominant ammonia-oxidizing prokaryotes and nitrite-oxidizing bacteria in the carriers, repectively.
Identifer | oai:union.ndltd.org:TW/102NCKU5515032 |
Date | January 2014 |
Creators | Yi-WenLiu, 劉怡妏 |
Contributors | Liang-Ming Whang, 黃良銘 |
Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
Language | zh-TW |
Detected Language | English |
Type | 學位論文 ; thesis |
Format | 105 |
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