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- W2000728172 abstract "This study investigates the concentration of nitrate in groundwater in the province of Tehran. It also proposes the combination of ion exchange and biological denitrification as an effective way of removing nitrate from drinking water. The concentration of nitrate was measured in more than 200 deep and semi‐deep wells spread throughout urban and rural areas in Tehran. The result proved the presence of nitrate in a wide area in the province, especially in the southern part of the city of Tehran, and areas next to industrial or agricultural centers. The results show that there is a linear relationship between R (the proportion of nitrate ion concentration to total nitrate and sulfate ion concentrations in the influent) and the amount of each nitrate and sulfate ion derived from total capacity of resins. The last step in this study included denitrification of the spent regenerant by SBR and BPBR. At high concentrations of salt and nitrate, BPBR performed well while SBR showed an average performance." @default.
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- W2000728172 date "2000-10-01" @default.
- W2000728172 modified "2023-09-26" @default.
- W2000728172 title "A study of nitrate in Tehran ground water and a method of its removal" @default.
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- W2000728172 doi "https://doi.org/10.1080/00207230008711307" @default.
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