Wells & Groundwater
Fluoride in Groundwater
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Source: https://gw-project.org
Author(s) : D. Kirk Nordstrom and Pauline L. Smedley
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Wells & Groundwater
The United Nations theme for World Water Day on March 22, 2022, is “Groundwater: making the invisible visible.” This aligns with the essence of the Groundwater Project (GW-Project), which is aimed at raising groundwater consciousness and strengthening groundwater expertise worldwide, and is being accomplished by publishing books and supporting materials about “all-things-groundwater”.
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Treatment Of Groundwater For the Removal of Iron and Manganese From Groundwater wells of southern of Libya
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The purpose of the study to investigate the impact of the presence of iron and manganese found in groundwater. The concentrations if both minerals as well as the location of the water source were identified along with its impact on water quality. Also, in this investigation a suitable method or technique for the removal of both iron and manganese is selected taking into consideration the local economic and environmental aspects. The removal will be accomplished by oxidizing both iron and manganese using aeration or using dissolved chemical oxidants converting them from soluble to insoluble precipitates. Precipitates of iron and manganese hydroxides are formed and removed from water through settling and filtration units. In this research the concentrations of iron and manganese were analyzed from groundwater aquifers of a number of towns in the southern part of Libya. These concentrations were compared to the local and international drinking water standards set by the World Health Organization (WHO). Some water samples reported have shown a wide difference in iron and manganese concentration and selected for treatment in this investigation. A complete treatment system has been designed to remove iron and manganese for the groundwater at Brak city of Alafia since the iron and manganese exceeds the limits. The oxidation of iron and manganese was done via aeration followed by flocculation and, settling, filtration and finally disinfection. At Alafia city, iron and manganese concentrations were 3.1mg/L, and 0.32mg/L respectively as compared to the standards set by the World Health Organization, 2004 for concentrations of 0.3 mg /L, 0.1 mg /L respectively, This process is believed to be very effective and economically feasible in the removal of both iron and manganese.
Treatment Of Groundwater For the Removal of Iron and Manganese From Groundwater wells of southern of Libya
Abstract:
The purpose of the study to investigate the impact of the presence of iron and manganese found in groundwater. The concentrations if both minerals as well as the location of the water source were identified along with its impact on water quality. Also, in this investigation a suitable method or technique for the removal of both iron and manganese is selected taking into consideration the local economic and environmental aspects. The removal will be accomplished by oxidizing both iron and manganese using aeration or using dissolved chemical oxidants converting them from soluble to insoluble precipitates. Precipitates of iron and manganese hydroxides are formed and removed from water through settling and filtration units. In this research the concentrations of iron and manganese were analyzed from groundwater aquifers of a number of towns in the southern part of Libya. These concentrations were compared to the local and international drinking water standards set by the World Health Organization (WHO). Some water samples reported have shown a wide difference in iron and manganese concentration and selected for treatment in this investigation. A complete treatment system has been designed to remove iron and manganese for the groundwater at Brak city of Alafia since the iron and manganese exceeds the limits. The oxidation of iron and manganese was done via aeration followed by flocculation and, settling, filtration and finally disinfection. At Alafia city, iron and manganese concentrations were 3.1mg/L, and 0.32mg/L respectively as compared to the standards set by the World Health Organization, 2004 for concentrations of 0.3 mg /L, 0.1 mg /L respectively, This process is believed to be very effective and economically feasible in the removal of both iron and manganese.
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