教師資料查詢 | 類別: 期刊論文 | 教師: 簡義杰 I-CHIEH CHIEN (瀏覽個人網頁)

標題:Comparing ozonation and biofiltration treatment of source water with high cyanobacteria-derived organic matter: the case of a water treatment plant followed by a small-scale water distribution system
學年107
學期1
出版(發表)日期2018/11/24
作品名稱Comparing ozonation and biofiltration treatment of source water with high cyanobacteria-derived organic matter: the case of a water treatment plant followed by a small-scale water distribution system
作品名稱(其他語言)
著者I-Chieh Chien; Sheng-Pei Wu; Hsien-Chun Ke; Shang-Lien Lo; Hsin-hsin Tung
單位
出版者
著錄名稱、卷期、頁數International Journal of Environmental Research and Public Health 15(12), 2633
摘要High cyanobacteria-derived dissolved organic carbon (DOC) in source water can cause drinking water quality to deteriorate, producing bad taste, odor, toxins, and possibly elevated levels of disinfection byproduct (DBP) precursors. Conventional water treatment processes do not effectively remove algal organic substances. In this study, rapid-sand-filtration effluent from a water treatment plant on Kinmen Island, where serious cyanobacterial blooms occurred, was used to evaluate the DOC- and DBP-removal efficiency of ozonation and/or biofiltration. To simulate a small-scale water distribution system following water treatment, 24 h simulated distribution system (SDS) tests were conducted. The following DBPs were analyzed: trihalomethanes (THMs), haloacetic acids (HAAs), haloacetonitriles (HANs), and trichloronitromethane (TCNM). Applying biological activated-carbon filtration (BAC) on its own achieved the greatest reduction in SDS-DBPs. Ozonation alone caused adverse effects by promoting THM, HAA, and TCNM formation. Ozonation and BAC filtration yielded better DOC removal (51%) than BAC filtration alone (41%). Considering the cost of ozonation, we suggest that when treating high cyanobacterial organic matter in water destined for a small-scale water distribution system, BAC biofiltration alone could be an efficient, economical option for reducing DBP precursors. If DOC removal needs to be improved, preceding ozonation could be incorporated.
關鍵字cyanobacteria bloom;disinfection byproducts;biofiltration;ozonation
語言英文(美國)
ISSN1661-7827
期刊性質國外
收錄於SSCI;
產學合作
通訊作者
審稿制度
國別瑞士
公開徵稿
出版型式,電子版
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