期刊论文

Process of Chemical Oxidation-Precipitation Method to Recycle Iron from Acid Mine Wastewater

中文

南华大学学报(自然科学版)

1673-0062

2022

36

6

29-33

10.19431/j.cnki.1673-0062.2022.06.005

科技部重点研发计划项目(2019YFC1907700)。

本校为第一机构

采用化学氧化-沉淀法处理某Fe2+浓度为800 mg/L的高酸度矿山废水,通过研究不同碱性试剂的添加对调节pH和对铁去除效果的影响以及曝气氧化时间、絮凝剂添加量等方面对废水中铁氧化沉淀效率的探究。结果表明:当使用质量分数...展开更多 采用化学氧化-沉淀法处理某Fe2+浓度为800 mg/L的高酸度矿山废水,通过研究不同碱性试剂的添加对调节pH和对铁去除效果的影响以及曝气氧化时间、絮凝剂添加量等方面对废水中铁氧化沉淀效率的探究。结果表明:当使用质量分数为20%的石灰乳调节废水pH至8.0,曝气氧化2 h时,废水中铁的去除率达到99.99%,其废水上清液中TFe的残余质量浓度为0.8 mg/L。再向处理后的废水中加...

The chemical oxidation-precipitation method was used to treat a high acidity mine wastewater with Fe2+concentration of 800 mg/L. The effect of the addition of different alkaline reagents on the adjustment of pH and the removal effect of Fe, as well as the aeration and o...MORE The chemical oxidation-precipitation method was used to treat a high acidity mine wastewater with Fe2+concentration of 800 mg/L. The effect of the addition of different alkaline reagents on the adjustment of pH and the removal effect of Fe, as well as the aeration and oxi...