机构地区: 广州大学化学化工学院化学系
出 处: 《广州化学》 2003年第2期19-22,共4页
摘 要: 研究了不同包括时间、温度、pH、搅拌方式等条件下偕胺肟基螯纤维对MnO4- 的吸附性能及影响因素。结果表明,偕胺肟纤维对锰的还原速度很快,在40℃下反应30 min已达到饱和吸附,在pH=4时,吸附效果最好,吸附量达 43.5 mg (锰) /g (纤维)。 Absorptive properties of a chelating fiber containing amidoxime group to Mn(Ⅶ) were studied. The influence of time,mixing method,pH and temperature on the absorption of the fiber were also studied. The results show that Mn(Ⅶ) can be reduced into Mn(Ⅳ) or Mn(Ⅱ) and maximum absorption amount of 43.5 mg (Mn) /g (fiber) can be obtained at 40℃ and pH= 4 .