| 简介 |
PROBLEM TO BE SOLVED : To provide a fluorine adsorbent which has excellent acid resistance, hardly causes the elution of an absorbent and a deterioration in resin, then, has prolonged life, effectively performs its function on even the object to be treated of low fluorine concentration (20-50 mg/L) and realizes fluorine adsorption, the adsorption using the fluorine adsorbent, being easily operated, dispensing with subsidiary material and being easily maintained since sludge or scale is hardly generated inside equipment.
SOLUTION : This fluorine adsorbent consists of a polymer resin and a rare-earth element-containing hydroxide having 50-200 Å crystallite diameter and 0.1-5 wt.% thermal reduction in weight. |
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