摘要
利用改性粉煤灰吸附混凝作用,研究了含锌离子浓度为50～200mg/L的模拟废水去除锌离子的一般规律。研究结果表明,以氧化钙为改性剂改性的粉煤灰对含锌废水具有良好的吸附性能,在含锌离子浓度为50～250mg/L,改性粉煤灰用量每100mL为20g,pH为4～11的实验条件下,锌离子的去除率最高可达99.7%。
The ability of fly ash to remove zinc ion from wastewater was investigated.The results showed that fly ash modified by the modification agent of CaO is effective to adsorb environmental harmful zinc ion in wastewater.When concentration of Zn 2+ was 50～250mg/L in the wastewater,Zn 2+ and modified fly ash was used as 1∶200,in pH 4～11 experimental condition,the Zn 2+ removal rate reached above 99 7%.
出处
《环境保护科学》
CAS
2005年第3期19-21,共3页
Environmental Protection Science
