Author(s): TAN Yiqiu, HUANG Zuqiang, NONG Keliang, ZHOU Shunian
Pages: 171-175
Year: 2010 Issue:  2
Journal: Chemical Research and Application
Keyword:  mechanical activation; earboxymethyl starch; Cu~(2+); adsorption;
Abstract: 采用搅拌球磨机对木薯淀粉进行机械活化,以活化60 min的木薯淀粉为原料,干法合成羧甲基淀粉吸附剂.考察羧甲基淀粉的取代度、溶液的pH值、Cu~(2+)的初始浓度、吸附时间、羧甲基淀粉的投加量等因素对羧甲基淀粉吸附Cu~(2+)性能的影响.结果表明,该羧甲基淀粉对Cu~(2+)有很好的吸附作用;用取代度为0.841的羧甲基淀粉处理含Cu~(2+)的废水,在pH=7.0、羧甲基淀粉的投加量50.00...