【摘要】 以含有Si、Al、Ca、C元素的矿物材料作为基质,经特定条件处理制备成轻质多孔吸附材料(LMAM)。研究了该吸附材料对含氟量较高的石英纯化废水的吸附性能。结果表明,当振荡频率为105r獉min-1,轻质多孔吸附材料用量为20g獉L-1,pH为8.0,常温下反应时间90min时,废水ρ(F-)由吸附净化前的3590 mg獉L-1降为118.47mg獉L-1,pH为7.3。LMAM对石英纯化废水中F-的吸附机制研究表明,吸附体系均符合Langmiur吸附等温线模型及准一级动力学模型/准二级动力学模型。更多还原

【Abstract】 A low-density and multi-porous adsorption material(LMAM)was made from several mineral materials which contain elements of Si,Al,Ca and C by a special treatment.And the adsorption and purification capacity of LMAM on fluorinion from quartz processing wastewater was investigated.The results showed that the residual concentration of fluorinionρ(F-)decreased from 3590 mg獉L-1 to 118.47mg獉L-1 and pH value reduced to 7.3under the vibrating frequency of 105r獉min-1,adsorbent dosage of 20g獉L-1,pH of 8.0and reacting time of 90 min at ordinary temperature.The LMAM adsorption mechanism followed Langmuir isothermal curves model and typical pseudo-first-order/pseudo-second-order kinetic models for the removal of fluorinion from quartz processing wastewater.更多还原