论文部分内容阅读
利用废弃羊革制备一种廉价的吸附剂,研究其对水体中Cr(Ⅲ)的吸附性能。结果表明:废弃羊革对Cr(Ⅲ)的吸附为单层吸附,能很好地拟合二级吸附动力学方程,该吸附过程经过2~3阶段完成。在Cr(Ⅲ)初始浓度600mg/L、温度25%、吸附剂用量0.8g、pH值4、时间2h的条件下,对三价铬的去除率最大可达83.56%
The use of abandoned sheep leather to prepare a cheap adsorbent to study its adsorption of Cr (Ⅲ) in water. The results showed that the adsorption of Cr (Ⅲ) by abandoned sheep leather was single-layer adsorption, which fitted well the second-order adsorption kinetics equation. The adsorption process was completed after 2 ~ 3 stages. The Cr (Ⅲ) initial concentration of 600mg / L, temperature 25%, the amount of adsorbent 0.8g, pH 4, time 2h conditions, the maximum removal rate of trivalent chromium up to 83.56%