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Assessment of online bacterial particle counts for monitoring the performance of reverse osmosis membrane process in potable reuse
http://hdl.handle.net/10069/38927
http://hdl.handle.net/10069/3892773aa8bd7-7330-4be0-a087-9910b45e745e
名前 / ファイル | ライセンス | アクション |
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SciTotEnv667_540.pdf (344.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-12-18 | |||||
タイトル | ||||||
タイトル | Assessment of online bacterial particle counts for monitoring the performance of reverse osmosis membrane process in potable reuse | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flow cytometer | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Integrity monitoring | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Potable water reuse | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Real-time bacterial count | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | RO membrane | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Fujioka, Takahiro
× Fujioka, Takahiro× Makabe, Ryo× Mori, Naomichi× Snyder, Shane A.× Leddy, Menu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Safety of potable reuse can be enhanced by improved water quality monitoring techniques for assessing water treatment processes. This study evaluated the efficacy of online bacterial counting for continuous monitoring of reverse osmosis (RO) membranes to remove bacteria using real-time bacteriological commercial counters and an on-site pilot-scale RO system. Prior to on-site assessments,the online bacterial counting was verified by comparing the measurement of fluorescent particles in water with flow cytometry. During a seven day pilot test of RO treatment at a water reclamation plant, online bacterial counts in RO permeate were monitored below 15 counts/mL; whereas the bacterial counts in RO feed water were approximately 2500 to 10,000 counts/mL. Removal rates of bacterial counts ranged from 2.6 to 3.1-log (average = 2.9-log) by continuously monitoring bacterial removal. This is greater than a 2-log reduction frequently determined using other water quality surrogates (i.e., electrical conductivity). Overall, the continuous monitoring of bacteria in RO feed and permeate can be implemented without the addition of chemicals to provide near real-time bacterial counts to measure their reduction after RO treatment.This can be developed for continuous performance monitoring of the RO process,providing greater assurance of microbial water quality after RO treatment. |
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書誌情報 |
Science of The Total Environment 巻 667, p. 540-544, 発行日 2019-06-01 |
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出版者 | ||||||
出版者 | Elsevier B.V. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00489697 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.scitotenv.2019.02.339 | |||||
権利 | ||||||
権利情報 | c 2019 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Science of the Total Environment, 667, pp.540-544; 2019 |