Abstract
Pollution and shortage of drinking water due to climate change are increasing all over the world. Especially, in Mongolia, even though lack of water and low ground water level by high dependency on ground water, concentration of heavy metal in ground water is severe due to lack of water treatment facilities. Furthermore, huge amount of mine waste such as minerals and heavy metals in soil is caused by mining activities in Mongolia. In this study, we analyzed physicochemical characteristic of Mongolia mining waste soil and studied a simple approach for synthesis of modified sand with poly(methacrylic acid) and iron-oxide in order to recycle waste sand such as adsorption media for water treatment. The adsorption ability of the waste sand modified with poly(methacrylic acid) toward Fe(II) and Mn(II) was studied and the results compared with these for iron-oxide-coated sand. The poly(methacrylic acid) modified sand showed good ability of adsorption. Moreover, it was revealed that this media was able to improve adsorption ability by operating condition.
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