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不同pH值对纤维素黄原酸盐吸附性能的影响

Liu Xueqin,Chen Xuzhang,Yu Fenfang

Journal of Green Science and Technology（2023）

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Abstract
以微晶纤维素为对象,在引入钙盐置换之前调节体系呈不同的pH值,制备出相应的纤维素黄原酸钙盐,研究了其化学结构与重金属吸附性能.结果表明:在引入钙盐置换之前调节体系pH值为11时,所制备得纤维素黄原酸钙盐的表面改性程度最高,有效官能团丰度最高,吸附剂对Cd2+吸附效果最佳,同时其全硫含量最高,说明硫是纤维素黄原酸钙盐吸附重金属的关键元素.
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Key words
cellulose xanthogenates,pH,adsorption performance
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