摘要
采用实验室自制磷酸铁,从溶液的p H值、砷初始浓度、温度、搅拌速度等方面探讨磷酸铁对砷的吸附作用。得到磷酸铁吸附砷的最佳工艺条件为:砷初始浓度为0.000 1 mol/L、p H=7、搅拌速度为600 r/min、反应体系温度为80℃和反应时间为1 h,该条件下磷酸铁对砷的吸附效率达到99.6%。为解决饮用水或土壤中砷污染的问题提供一定的参考意义。
The effects of p H,arsenic concentration,temperature and mixing speed on adsorption performances of iron phosphate on arsenic were studied by using self-made iron phosphate. The optimum conditions of arsenic adsorption were initial arsenic concentration 0. 0001 mol / L,p H was 7. 0,stirring speed was 600 r / min,temperature was 80 ℃,reaction time was 1 h,and adsorption efficiency was up to 99. 6%. It was meaningful and helpful to solve the pollution problems in drinking water or soil.
出处
《广州化工》
CAS
2014年第21期65-67,118,共4页
GuangZhou Chemical Industry
基金
抗癌植物机理与提纯技术研究湖北省级重点实验室项目
湖北省高等学校优秀中青年科技创新团队建设计划项目(No.T201225)
湖北第二师范学院二级优秀科研教师团队建设计划项目(No.2012K203)
关键词
磷酸铁
砷
吸附
FePO4
arsenic
adsorption
