【摘 要】
：
采用偕胺肟化聚丙烯腈/蒙脱土（APAN/MMT）复合纳米吸附材料对海水中的铀进行吸附,考察了吸附条件对APAN/MMT吸附铀量的影响,并对APAN/MMT吸附铀的动力学和热力学进行了探讨。结
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采用偕胺肟化聚丙烯腈/蒙脱土（APAN/MMT）复合纳米吸附材料对海水中的铀进行吸附,考察了吸附条件对APAN/MMT吸附铀量的影响,并对APAN/MMT吸附铀的动力学和热力学进行了探讨。结果表明：铀初始浓度、溶液温度较高、采用磁力搅拌吸附方式有利于吸附速率的提高,溶液pH对吸附性能有一定的影响,在pH为5时,平衡吸附量达到3.07mg.g-1,偕胺肟化聚丙烯腈/蒙脱土对铀的吸附控制步骤为液膜扩散控制,吸附速率常数0.001 min-1,偕胺肟化聚丙烯腈/蒙脱土吸附剂吸附铀的吸附量qe与铀的平衡浓度Ce的
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