Separation of Al13 from polyaluminum chloride by sulfate precipitation and nitrate metathesis
Separation of Al13 from polyaluminum chloride by sulfate precipitation and nitrate metathesis
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DOI：
10.1016/j.seppur.2006.08.011
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发表时间：
2007-03
影响因子：
8.6
通讯作者：
Baoyou Shi;Guohong Li;Dongsheng Wang;Hong-xiao Tang
中科院分区：
文献类型：
--
作者：
Baoyou Shi;Guohong Li;Dongsheng Wang;Hong-xiao Tang
研究了化学沉淀/分离法制备高纯度al13的方法。采用中高浓度（0.1 ~ 1.1mol/L Al）的聚氯化铝（PACl）作为Al13的来源。研究了影响分离过程的因素。利用扫描电镜（SEM）、x射线衍射（XRD）和固态27al核磁共振（NMR）对al13中间体和终产物进行了形貌和结构表征。用铁分析和27al核磁共振验证了所得al13产物的纯度。结果表明，从中高浓度PACl中分离al13是可行的，产品纯度可达95%以上。
A methodology of preparing high purity Al13through chemical precipitation/separation was developed. Polyaluminum chloride (PACl) with medium high concentration (0.1–1.1mol/L as Al) was used as the source of Al13. The factors that affect separation process were thoroughly examined. Intermediate and final products of Al13were characterized morphologically and structurally using SEM, XRD, and solid-state27Al NMR. The purity of obtained Al13product was verified using both ferron assay and27Al NMR. It was found that the separation of Al13from medium high concentration PACl was feasible and the purity of Al13product could be higher than 95%.