Arsenic in drinking water should be reduced as much as possible,because it is amongst carcinogenic substances.FerroSorp~R Plus,Huijbergen and Spannenburg GIH could reduce As(V) levels in Ouddorp water below the desired 1μg L~(-1).Particularly Huijbergen GIH had according to non-linear Freundlich modeling the higher KF value,translating into a potentially higher effective adsorption capacity.One of the characteristics that probably determines the success of a GIH is its physical properties.Since the effective adsorption capacity I increases with higher initial As(V) concentrations,Huijbergen GIH is a promising adsorbent to reduce a wide range of arsenic concentrations from drinking water.Therefore,this affordable technology is not only reducing ultra-low arsenic concentrations to even lower concentrations in Ouddorp water but is also promising for developing countries that are seriously affected by high concentrations of arsenic in their drinking water.
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