REMOVAL OF HEAVY METAL IONS FROM AQUEOUS SOLUTION BY RAW PEANUT SHELL

被引：0
|
作者：
Liu, Xiaofeng [1 ,2 ]
Xu, Xin [3 ]
Park, Junboum [4 ]
Gao, Lei [2 ]
Dong, Xiaoqiang [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Civil Engn, Taiyuan 030024, Peoples R China
[2] Hohai Univ, Key Lab, Minist Educ Geomech & Embankment Engn, Nanjing 210024, Peoples R China
[3] Jilin Univ, Coll Construct Engn, Jilin 130021, Jilin, Peoples R China
[4] Seoul Natl Univ, Dept Civil & Environm Engn, Seoul 08826, South Korea
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2021年 / 30卷 / 2A期
基金：
中国国家自然科学基金;
关键词：
Peanut shell; Heavy metal; Adsorption; Kinetic model; Isotherm model; ACTIVATED CARBON; HEALTH-RISK; ADSORPTION-KINETICS; BIOSORPTION; POLLUTION; COPPER; DESORPTION; ADSORBENT; SORPTION; BIOCHAR;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Nowadays heavy metal pollution has become a serious environmental issue. Agricultural waste material-peanut shell was used for removal of three heavy metal ions from aqueous solution in batch experiments. The factors affecting adsorption capacity were adsorption time, temperature, pH, and initial concentration. Based on the results, peanut shell showed the best adsorption efficiency for lead by 9.5 mg/g, followed by copper 9.01 mg/g and cadmium 5.26 mg/g. The adsorption process followed by pseudo-second-order kinetic model and the Langmuir isotherm model and was endothermic and spontaneous. Further studies should be focused on the desorption characteristics of raw peanut shell in batch and column experiments.
引用
收藏
页码：1714 / 1724
页数：11
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