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介孔氧化铝的可控制备及优异除氟性能
许乃才; 洪天增; 刘忠; 张响飞; 董亚萍; 李武
2017
Source Publication材料导报
Issue06Pages:45-49
Abstract以偏铝酸钠(NaAlO_2)和氯化铝(AlCl_3·6H_2O)为铝源,葡萄糖(C_6H_(12)O_6·H_2O)为模板剂,采用水热及高温焙烧技术制备了不同晶型的氧化铝。用X射线衍射(XRD)、扫描电镜(SEM)、N2吸附脱附(BET)对制备产物的晶型、形貌及孔结构进行了表征。研究了不同晶型氧化铝对F-的吸附性能,结果表明550℃条件下的煅烧产物γ-Al_2O_3对F-的吸附效果最佳。吸附等温线结果表明介孔γ-Al_2O_3吸附F-为单层吸附,其Langmuir最大吸附容量为5.96mg/g。吸附动力学试验表明,介孔γ-Al_2O_3在5min内已吸附超过90%的F-,且吸附过程与准二级动力学模型相吻合。介孔γ-Al_2O_3吸附F-的机理涉及OH-与F-的离子交换。
KeywordΓ-al2o3 介孔 吸附 氟离子去除 吸附动力学
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6548
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
盐湖资源与化学实验室
Recommended Citation
GB/T 7714
许乃才,洪天增,刘忠,等. 介孔氧化铝的可控制备及优异除氟性能[J]. 材料导报,2017(06):45-49.
APA 许乃才,洪天增,刘忠,张响飞,董亚萍,&李武.(2017).介孔氧化铝的可控制备及优异除氟性能.材料导报(06),45-49.
MLA 许乃才,et al."介孔氧化铝的可控制备及优异除氟性能".材料导报 .06(2017):45-49.
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