文献类型: 会议论文
第一作者: Li Nan
作者: Li Nan 1 ; Liu Minghua 1 ; Lin Zhaohui 1 ; Lin Chunxiang 1 ; Cai Ruyu 1 ;
作者机构: 1.College of Environment & Resources, Fujian Provincial Technology Exploitation Base of Biomass Resources Fuzhou University Fuzhou 350108, China
关键词: Chelation adsorbent;polyacrylonitrile;static adsorption;kinetics;diffusion
会议名称: International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2011)
主办单位:
页码: 3173-3176
摘要: A novel spherical chelation adsorbent was prepared from the waste of acrylic fiber, and the adsorption kinetic of Cr(VI) on the adsorbent was investigated. The results suggested that, within the observed temperature and concentration range, the adsorption rate of Cr(VI) was high and the equilibrium was reached in nearly 30min. The experimental data for the adsorption systems followed a second-order equation, and the chemical adsorption is the main adsorption process with low energy and the activation energy Ea is 36.03kJ/mol, the adsorption involves diffusion controlled process combined by surface diffusion and intra-particle diffusion.
分类号: G202-53
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