Recent advances in applications of low-cost adsorbents for the removal of heavy metals from water: A critical review

被引：197

作者：

Bilal, Muhammad ^{[1
]}

Ihsanullah, Ihsanullah ^{[2
]}

Younas, Mohammad ^{[1
]}

Shah, Mansoor Ul Hassan ^{[1
]}

机构：

[1] Univ Engn & Technol, Dept Chem Engn, Peshawar 25120, Pakistan

[2] King Fahd Univ Petr & Minerals, Res Inst, Ctr Environm & Water, Dhahran 31261, Saudi Arabia

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2022年 / 278卷

关键词：

Adsorption; Water treatment; Heavy metal removal; Low-cost adsorbents; Bio-sorbents; Sustainable materials; HEXAVALENT CHROMIUM REMOVAL; SUGAR-CANE BAGASSE; FIXED-BED COLUMN; AQUEOUS-SOLUTION; ACTIVATED CARBON; WASTE-WATER; CADMIUM BIOSORPTION; PHYSICOCHEMICAL CHARACTERIZATION; ADSORPTION CHARACTERISTICS; THERMODYNAMIC PARAMETERS;

D O I：

10.1016/j.seppur.2021.119510

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The heavy metals mobilization in the environment due to the industrial revolution is of great concern because of the noxiousness of these metal pollutants and their adverse impacts on environment, humans and other living organisms. Therefore, the elimination of such contaminants from wastewater is necessary to safeguard the envrionment and human health. Bio-sorbents have gained considerable attention in recent times as low-cost sustainable materials for applications in water treatment. This review critically evaluates the modern developments in applications of bio-sorbents in water purification with an emphasis on adsorption. The heavy metals adsorption onto different bio-waste derived adsorbents is described in detail by elaborating the adsorption mechanism and their regeneration abilities. Finally, major challenges, hurdles, and opportunities are discussed, and a roadmap is suggested along with future research recommendations to ensure the effective applications of bio-sorbents in water purification systems.

引用

页数：28

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