用微波改性赤泥从废水中吸附去除氟离子试验研究Removal of Fluoride Ion From Wastewater With Microwave Modified Red Mud
田野;康泽双;刘中凯;闫琨;张腾飞;范泽坤;
摘要(Abstract):
研究了赤泥的微波改性及用于从废水中吸附去除氟离子,考察了改性赤泥用量、吸附时间、温度、废水pH对氟离子吸附去除率的影响。结果表明:用微波活化赤泥是可行的,赤泥在400 W微波功率下改性,在改性赤泥投加量8 g/L、吸附时间30 min、温度15~25℃、废水pH为7.0~8.0、氟离子质量浓度10 mg/L条件下,氟离子吸附量可达1.23 mg/g,氟离子去除率可达98.2%,吸附效果较好。
关键词(KeyWords): 赤泥;微波;改性;氟离子;吸附;去除
基金项目(Foundation): 国家重点研发计划重点专项项目(2020YFC1908802)
作者(Authors): 田野;康泽双;刘中凯;闫琨;张腾飞;范泽坤;
DOI: 10.13355/j.cnki.sfyj.2022.05.016
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