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单宁的疏水修饰及对亚甲基蓝的吸附特性

ZHOU Lei,HUANG Yingchun,PENG Zhiyuan

wf（2022）

Cited 0|Views3
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Abstract
将乙胺通过Michael加成反应引入单宁分子结构中对单宁进行疏水修饰,单宁经疏水修饰后表面变得粗糙,其水溶性降低,对紫外光的吸收波长范围变宽.疏水单宁能校好的吸附亚甲基篮,疏水单宁对180mg/L亚甲基蓝的吸附量达158.13mg/g;疏水单宁用量为0.8g/L时,其对20mg/L亚甲基蓝可达97.67％的吸附率.疏水单宁对亚甲基篮的吸附遵循Langmuir等温模型和准二级动力学模型.
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