不同碳源多孔碳纤维制备及其吸附性能

胡秀丽,姚霞喜,张文君,纪网金,穆加成,雍钰雯,王旭红

Preparation of Porous Carbon Fibers with Different Carbon Sources and Their Adsorption Properties

Xiuli HU,Xiaxi YAO,Wenjun ZHANG,Wangjin JI,Jiacheng MU,Yuwen YONG,Xuhong WANG

表3 动力学模型参数

Table 3 Parameters of different kinetic models

Kinetic model PVA PVP PAN First-order kinetic q e/g·kg-1 (test) 240.13 392.10 556.09 q e/g·kg-1 (model) 145.22 287.51 231.42 K 1/h-1 0.5120 0.0462 0.0515 R 2 0.9591 0.9813 0.9670 Second-order kinetic q e/g·kg-1 (model) 246.12 395.91 561.28 K 2/kg·g-1·h-1 7.21×10-4 8.91×10-4 9.31×10-4 R 2 0.9991 0.9990 0.9998