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- W596298891 abstract "采用水热法合成了不同铁掺杂量的Mg/Al/Fe型类水滑石(MAF),根据X射线衍射(XRD)的测定结果,铁存在一个最佳投加量,铁的掺杂量过大则会导致水滑石的层状结构被破坏。通过扫描电镜(SEM)和比表面分析仪(BET)研究了MAF焙烧后的复合金属氧化物(CMAF)的结构和性能,并考察了CMAF对水中氟离子的吸附性能。与CMA相比(铁掺杂量为零),CMAF对氟离子的吸附去除效率明显提高(最大吸附容量75.2 mg/g),整个吸附过程可以用Langmuir吸附等温线更好地描述。通过XRD测定和晶格参数计算,CMAF的结构由吸附前的复合氧化物恢复到层状水滑石结构,表明氟离子在水滑石重构过程中作为层间阴离子进入到水滑石内部,从而达到较高的除氟效率。" @default.
- W596298891 created "2016-06-24" @default.
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- W596298891 date "2010-01-05" @default.
- W596298891 modified "2023-09-24" @default.
- W596298891 title "Mg／Al／Fe复合氧化物吸附去除水体中氟化物的研究" @default.
- W596298891 hasPublicationYear "2010" @default.
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