Abstract
Excess fluoride in drinking water endangers the health of human being. Nowadays, a lot of efforts have been made for defluoridation to guarantee drinking water safety. Absorption is proved to be the safe, effective and environment friendly method to remove excess fluoride in water. In this work, a simple synthetic method was applied to successfully fabricate the zirconium based MOFs (metal organic frameworks), namely MOF 1. Following investigation showed that the as-synthetized material was highly stable and had significantly effective fluoride adsorption performance over a wide range of pH from 3 to 10. What's more, the maximum adsorption capacity (mg·g−1) for Langmuir isotherms is 204.08. To the best of our knowledge, it is the best performance so far for Zr based MOFs. Besides, the as-synthetized adsorbent was used for fluoride remove from real water sample. The result manifested that the adsorbent had effective fluoride adsorption on real ground water.
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