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Improvement of Water Quality Using a Magnetic Ion Exchange Resin at Drinking Water Treatment Plant on Chichijima Island in Ogasawara Village
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- TOCHIMOTO Hiroshi
- Tokyo Metropolitan Institute of Public Health
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- KOSUGI Yuki
- Tokyo Metropolitan Institute of Public Health
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- TATEISHI Yukinari
- Tokyo Metropolitan Institute of Public Health
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- WATANABE Kimiyo
- Tokyo Metropolitan Institute of Public Health
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- KONISHI Hiroyuki
- Tokyo Metropolitan Institute of Public Health
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- SUZUKI Toshinari
- Tokyo Metropolitan Institute of Public Health
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- HOSAKA Mitsugu
- Tokyo Metropolitan Institute of Public Health
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- CHIBA Hayato
- Ogasawara Village Office
Bibliographic Information
- Other Title
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- 小笠原村父島の浄水場における帯磁性イオン交換樹脂処理による水道水質の改善
- オガサワラムラ チチジマ ノ ジョウスイジョウ ニ オケル タイジセイ イオン コウカン ジュシ ショリ ニ ヨル スイドウ スイシツ ノ カイゼン
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Description
Because the concentrations of, for example, trihalomethane (THM) , and dissolved organic matter (DOM) in the drinking water of Ogasawara Village were high, a magnetic ion exchange resin (MIEX®) system was applied for the first time in Japan in an actual drinking water treatment plant, in the new water treatment plant constructed on Chichijima Island. The introduction of the MIEX® system after the conventional coagulation system was, until then, unprecedented. The objective in this study is to verify the effect of the MIEX® system. The removal rates of THM and haloacetic acid (HAA) precursors, DOC and other substances rose at this plant. The molecular weight of DOM in the source water decreased with activated carbon -coagulation and additional MIEX® treatment processes. The concentrations of THM and HAA in tap water from the new water treatment plant decreased to less than half the values in water from the previous water treatment plant. The target values of THM and total organic carbon in the design stage of the plant at Ogasawara Village were achieved.
Journal
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- Journal of Japan Society on Water Environment
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Journal of Japan Society on Water Environment 40 (3), 153-165, 2017
Japan Society on Water Environment
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Keywords
Details 詳細情報について
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- CRID
- 1390282680057100544
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- NII Article ID
- 130006882979
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- NII Book ID
- AN10372439
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- ISSN
- 18813690
- 09168958
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- NDL BIB ID
- 028729226
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed