バングラデシュ農村部における経済的に妥当な代替水の選択に関する研究

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  • Study on Selection Methodology for Economically Feasible Alternative Water Supply in Rural Area in Bangladesh
  • バングラデシュ ノウソンブ ニ オケル ケイザイテキ ニ ダトウ ナ ダイタイスイ ノ センタク ニ カンスル ケンキュウ

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This survey's target is the selection methodology for economically feasible alternative water supply using the concept of appropriate technology. Groundwater has been polluted with arsenic in rural Bangladesh. Those who live in the rural, however, use the water for drinking and cooking purposes. Consequently cases of arsenicosis patients reached about 38,000 in 2008. Alternative drinking water sources have not fully been available in rural areas in Bangladesh. Therefore, ,chemical substances such as decontaminating chemical(bleaching powder) coagulant(Alum) and etc to be used for water purification as well as appropriate water supply equipment such as Arsenic and Iron Removal Plant(AIRP) is necessary for them. In this study, a mathematical formula has been developed to select most appropriate alternative water supply method for the villager in Bangladesh.

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