Role of nanomaterials as adsorbents in heavy metal ion removal from waste water: A review

被引：327

作者：

Wadhawan, Shweta ^{[1
]}

Jain, Ayushi ^{[1
,2
,3
]}

Nayyar, Jasamrit ^{[1
]}

Mehta, Surinder Kumar ^{[2
,3
]}

机构：

[1] Panjab Univ Res Ctr, GGDSD Coll, Dept Chem, Sect 32C, Chandigarh 160031, UT, India

[2] Panjab Univ, Dept Chem, Sect 14, Chandigarh 160014, UT, India

[3] Panjab Univ, Ctr Adv Studies Chem, Sect 14, Chandigarh 160014, UT, India

来源：

JOURNAL OF WATER PROCESS ENGINEERING | 2020年 / 33卷

关键词：

Nanosorbents; Functionalization; Adsorption capacity; Contaminants; Adsorption kinetics; Adsorption isotherm; IRON-OXIDE NANOPARTICLES; HIGH EFFICIENT REMOVAL; AQUEOUS-SOLUTION; ADSORPTIVE REMOVAL; FE3O4; NANOPARTICLES; CARBON NANOTUBES; RAPID REMOVAL; MAGNETITE NANOPARTICLES; NANOFIBER ADSORBENT; CUO NANOPARTICLES;

D O I：

10.1016/j.jwpe.2019.101038

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This review presents a holistic analysis of the synthesis and efficacy of nanosorbents towards the waste water purification by the removal of selected heavy metal ions, with special emphasis on the effect of functionalization of nanoadsorbents on certain key properties such as surface area, separation and adsorption capacity. We have compiled enormous data based on the characteristic properties of nanomaterials and their selective affinity towards certain heavy metal ions. The experimental factors like pH, adsorbent dosage, contact time, temperature, initial ion concentration and ionic strength affecting metal ion removal have also been explored. Besides, the different adsorption kinetics and adsorption isotherm models are discussed with the help of various illustrations to have an insight into the adsorption procedure.

引用

页数：17

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