Equilibrium and Thermodynamics of Adsorption Of Fe/Ac for Aniline from Dilute Solutions

被引:1
|
作者
Li, Bingzheng [1 ]
Guo, Yabing [1 ]
Liu, Laishuan [4 ]
Xue, Yongbing [2 ]
Sun, Dekui [3 ]
机构
[1] Taiyuan Univ Sci & Technol, Sch Environm & Safety, Taiyuan 030024, Peoples R China
[2] Taiyuan Univ Sci & Technol, Sch Chem & Biol Technol, Taiyuan 030021, Peoples R China
[3] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
[4] North Univ China, Sch Chem Engn & Environm, Taiyuan 030051, Peoples R China
关键词
Fe/AC; Activated carbon; Adsorption; aniline; Equilibrium; Thermodynamics; ACTIVATED CARBON; CATALYTIC REGENERATION; AROMATIC-COMPOUNDS; BIOSORPTION; WATER;
D O I
10.4028/www.scientific.net/AMR.378-379.688
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The effect of iron doping on physical and chemical properties of activated carbon, the effect of initial concentration and temperature on adsorption behavior of adsorbents for aniline from water, and adsorption equilibrium and thermodynamics were investigated. The results show that Fe doping obviously increase acidic oxygen-containg groups of activated carbon surface. Effect of Fe doping on adsorption capacity of aniline at the low concentration is insignificant. Equilibrium adsorption uptake decreases with an increase in adsorption temperaure. Freundlich model can better describe adsorption behavior of aniline on AC and Fe/AC. Aniline adsorption is spontaneous and exothermic.
引用
收藏
页码:688 / +
页数:2
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