偕胺肟改性聚丙烯腈电极材料的制备及其从海水中吸附铀试验研究Preparation of Amidoxime Modified Electrode Materials and Adsorption Uranium From Seawater
高子腾;陈树森;丁海云;宋艳;宿延涛;勾阳飞;常华;吴浩天;
摘要(Abstract):
研究了以导电碳毡为基材,采用非均相法制备偕胺肟改性聚丙烯腈电极材料(AO-PAN),考察了AO-PAN对低浓度加标海水中铀的吸附性能,利用红外光谱、扫描电子显微镜对AO-PAN进行表征。结果表明:吸附时间和温度与AO-PAN吸附铀呈正相关关系;电化学吸附过程中,交流电压为-3~0 V时吸附效果最好;溶液pH为5~8,铀吸附率在60%以上,铀吸附量达1 136 mg/g。该偕胺肟改性聚丙烯腈电极材料有望用于从海水中吸附铀。
关键词(KeyWords): 海水提铀;电化学吸附;偕胺肟基;聚丙烯腈
基金项目(Foundation):
作者(Authors): 高子腾;陈树森;丁海云;宋艳;宿延涛;勾阳飞;常华;吴浩天;
DOI: 10.13355/j.cnki.sfyj.2022.05.011
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