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Online Catalogue | Potable Water | Potable Water Quality

	Adsorptive Removal of Manganese, Arsenic & Iron from Groundwater: UNESCO-PhD Thesis
	Order Code: CL1137 ISBN Number: 9780415573795 Publisher: CRC Press No. of Pages: 198 Date of Publication: 2010 Price: £43.99
Arsenic, manganese and iron in drinking water at concentrations exceeding recommended guideline values pose health risks and aesthetic defects. Batch and pilot experiments on manganese adsorption equilibrium and kinetics using iron-oxide coated sand (IOCS), Aquamandix and other media have been investigated and modeled. Effect of manganese and iron loading on manganese removal and rate of oxidation of adsorbed iron and manganese have been studied. Aquamandix and IOCS demonstrated iron and manganese adsorption capacity that increases with increasing pH under oxic and anoxic conditions. Manganese loading and low filtration rate using feedwater with no nitrite favour non-uniform development of catalytic manganese oxide on media that subsequently enhances manganese removal Contents ntroduction Presence of manganese, iron and arsenic in groundwater Adsorptive removal of manganese (II) from the aqueous phase using iron oxide coated sand Manganese adsorption characteristics Manganese removal from groundwater Optimising the removal of manganese Oxidation of adsorbed ferrous and manganese ions Summary and conclusions.



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