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  1. C100 医学部/医学系研究科
  2. C100a 雑誌掲載論文
  3. 学術雑誌

Limited effectiveness of household sand filters for removal of arsenic from well water in North Vietnam

http://hdl.handle.net/2237/26022
d5ca0e40-957f-4b78-a0bc-877136c4f7e4
名前 / ファイル ライセンス アクション
Dr_Cimi_JWH_Revised_MS.pdf Dr_Cimi_JWH_Revised_MS.pdf ファイル公開:2017/06/01 (1.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-04-18
タイトル
タイトル Limited effectiveness of household sand filters for removal of arsenic from well water in North Vietnam
著者 Ilmiawati, Cimi

× Ilmiawati, Cimi

WEKO 70757

Ilmiawati, Cimi

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Dinh, Thang Nguyen

× Dinh, Thang Nguyen

WEKO 70758

Dinh, Thang Nguyen

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Iida, Machiko

× Iida, Machiko

WEKO 70759

Iida, Machiko

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Maeda, Masao

× Maeda, Masao

WEKO 70760

Maeda, Masao

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Ohnuma, Shoko

× Ohnuma, Shoko

WEKO 70761

Ohnuma, Shoko

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Yajima, Ichiro

× Yajima, Ichiro

WEKO 70762

Yajima, Ichiro

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Ohgami, Nobutaka

× Ohgami, Nobutaka

WEKO 70763

Ohgami, Nobutaka

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Oshino, Reina

× Oshino, Reina

WEKO 70764

Oshino, Reina

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M., M. Aeorangajeb Al Hossain

× M., M. Aeorangajeb Al Hossain

WEKO 70765

M., M. Aeorangajeb Al Hossain

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Ninomiya, Hiromasa

× Ninomiya, Hiromasa

WEKO 70766

Ninomiya, Hiromasa

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Kato, Masashi

× Kato, Masashi

WEKO 70767

Kato, Masashi

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抄録
内容記述 Since well water utilized for domestic purposes in the Red River Delta of North Vietnam has been reported to be polluted by arsenic, barium, iron, and manganese, household sand filters consisting of various components are used. Information regarding the effectiveness of various sand filters for removal of the four toxic elements in well water is limited. In this study, arsenic levels in 13/20 of well water samples and 1/7 of tap water samples exceeded World Health Organization (WHO) health-based guideline value for drinking water. Moreover, 2/20, 6/20, and 4/20 of well water samples had levels exceeding the present and previous guideline levels for barium, iron, and manganese, respectively. Levels of iron and manganese, but not arsenic, in well water treated by sand filters were lower than those in untreated water, although previous studies showed that sand filters removed all of those elements from water. A low ratio of iron/arsenic in well water may not be sufficient for efficient removal of arsenic from household sand filters. The levels of barium in well water treated by sand filters, especially a filter composed of sand and charcoal, were significantly lower than those in untreated water. Thus, we demonstrated characteristics of sand filters in North Vietnam.
内容記述タイプ Abstract
出版者
出版者 IWA Publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
ISSN
収録物識別子タイプ ISSN
収録物識別子 1477-8920
書誌情報 Journal of Water and Health

巻 14, 号 6, p. 1032-1040, 発行日 2016-12
著者版フラグ
値 author
URI
識別子 http://doi.org/10.2166/wh.2016.254
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26022
識別子タイプ HDL
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