纳米结构的锰铁二元混合氧化物：合成、表征及砷去除性能评估
Nanostructured Mn-Fe Binary Mixed Oxide: Synthesis, Characterization and Evaluation for Arsenic Removal.
作者信息
Pillewan Pradnya, Mukherjee Shrabanti, Bansiwal Amit, Rayalu Sadhana
出版信息
J Environ Sci Eng. 2014 Jul;56(3):263-8.
Adsorption of arsenic on bimetallic Mn and Fe mixed oxide was carried out using both field as well as simulated water. The material was synthesized using hydrothermal method and characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). Langmuir and Freundlich adsorption isotherms were computed using batch adsorption studies to determine the adsorption capacity of Mn-Fe binary mixed oxide for arsenic. Adsorption capacity for MFBMO obtained from Freundlich model was found to be 2.048 mg/g for simulated water and 1.084 mg/g for field water. Mn-Fe binary mixed oxide was found to be effective adsorbent for removal of arsenic from water.
采用现场水和模拟水对双金属锰铁混合氧化物吸附砷的情况进行了研究。该材料采用水热法合成，并通过X射线衍射（XRD）和扫描电子显微镜（SEM）进行了表征。利用批量吸附研究计算了朗缪尔和弗伦德利希吸附等温线，以确定锰铁二元混合氧化物对砷的吸附容量。从弗伦德利希模型获得的MFBMO对模拟水的吸附容量为2.048 mg/g，对现场水的吸附容量为1.084 mg/g。发现锰铁二元混合氧化物是从水中去除砷的有效吸附剂。
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