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KEYWORD: 732 cation exchange resin; Adsorption; Various filtering velocity; Low temperature; Iron and manganese ABSTRACT: The thesis explores the adsorption of 732 cation exchange resin to remove the excessive amount of iron and manganese in the low-temperature groundwater. The removal effects in different temperature and filtering velocities are analyzed by testing the effluent water quality and measuring the volume of water sample that could be purified by resin to reach the standard. The results suggest at a range of various filtering velocities, the removal effects are almost the same, but the higher the filtering velocity is, the larger volume of the water sample up to standard is. When the filtering velocity is 5-6m/h, the volume is 3000ml, but when the filtering velocity is 12-13m/h, it is 4500ml. As the temperature goes down, the removal effect reduces, and the volume of the water sample purified also decreases. At 4-5 C, the volume is 3500ml, while at 15-20 C, it is 4500ml.

Study on removal of iron and manganese from groundwater with resin