粉煤灰-膨润土复合吸附剂处理苯酚有机废水的研究

Treatment of Phenol-containing Wastewater with Active Fly Ash-Bentonite Compound Adsorbent

以粉煤灰和膨润土为原料,制备了粉煤灰-膨润土复合吸附剂。研究了该复合吸附剂对有机废水中苯酚的吸附性能,结果表明:在温度25℃的酸性环境中,废水初始浓度50 mg/L时,复合吸附剂用量为6g/L,吸附时间1.5 h,苯酚的去除率可达90%以上。

A novel fly ash -bentonite compound adsorbent was synthesized and applied to adsorb phenol in wastewater. The result showed that the removal ratio of phenol was over 90% under following conditions the dosage of the adsorbent was 6 g/L, the adsorption equilibrium time was 1.5 h, the temperature was 25 ℃, and the wastewater had acidity and its original phenol concentration was 50 mg/L.