Heavy metal removal from wastewater using various adsorbents: a review

被引:398
|
作者
Renu [1 ]
Agarwal, Madhu [1 ]
Singh, K. [1 ]
机构
[1] Malaviya Natl Inst Technol, Dept Chem Engn, JLN Marg, Jaipur 302017, Rajasthan, India
来源
关键词
adsorbents; adsorption capacity; heavy metal; wastewater; COMMERCIAL ACTIVATED CARBON; MODIFIED APPLE POMACE; CADMIUM IONS REMOVAL; FIXED-BED COLUMN; AQUEOUS-SOLUTION; RICE HUSK; HEXAVALENT CHROMIUM; COPPER IONS; ADSORPTION-KINETICS; MESOPOROUS SILICA;
D O I
10.2166/wrd.2016.104
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Heavy metals are discharged into water from various industries. They can be toxic or carcinogenic in nature and can cause severe problems for humans and aquatic ecosystems. Thus, the removal of heavy metals from wastewater is a serious problem. The adsorption process is widely used for the removal of heavy metals from wastewater because of its low cost, availability and eco-friendly nature. Both commercial adsorbents and bioadsorbents are used for the removal of heavy metals from wastewater, with high removal capacity. This review article aims to compile scattered information on the different adsorbents that are used for heavy metal removal and to provide information on the commercially available and natural bioadsorbents used for removal of chromium, cadmium and copper, in particular.
引用
收藏
页码:387 / 419
页数:33
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