Today, finds that there is a problem of contamination of surface water resources in the toxic soil and underground water sources. One of them is the contamination of arsenic (arsenic) that are seen in both Thai and foreign countries. Causes both natural and human acts. From the tin mining. Ron phibun district Ron phibun district, Nakhon SI thammarat Therefore, this research synthesis material (Resin) to serve as an intermediary to absorb arsenic in water by elements of metal, oxide, iron oxide, manganese is a type 2 with oxide. Put into negative ion exchange materials (Anion exchange) which would make the performance of the material (Resin) to get rid of arsenic (Arsenic) and more. As well as a comparative study between the material (Resin) is a Cation exchanger and the material (Resin) is the Anion exchanger that material (Resin) which effectively eliminate arsenic better.
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