Cover Page January-2019-Advanced Materials Letters

Advanced Materials Letters

Volume 10, Issue 1, Pages 09-20, January 2019
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The cover photo describes the graphical representation of a wearable device. Recently, the interest in wearable devices is rapidly growing with its wide applications in the wide area of disease detection and monitoring, wellness monitoring, implantable electronics, military operations etc.


Removal of dyes from wastewater by nanomaterials : A review

Wenqian Ruan1, Jiwei Hu1, 2*, Jimei Qi1, Yu Hou1, Chao Zhou1, Xionghui Wei3

1Guizhou Provincial Key Laboratory for Information Systems of Mountainous Areas and Protection of Ecological Environment, Guizhou Normal University, Guiyang 550001, PR China

2Cultivation Base of Guizhou National Key Laboratory of Mountainous Karst Eco-Environment,  Guizhou Normal University, Guiyang 550001, Guizhou, China

3Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University,  Beijing 100871, PR China

Adv. Mater. Lett., 2019, 10 (1), pp 09-20

DOI: 10.5185/amlett.2019.2148

Publication Date (Web): Dec 10, 2018

E-mail: jiweihu@yahoo.com, jwhu@gznu.edu.cn

Abstract

Dyes are widely used to colour products in textile, leather tanning, cosmetics, pigment and many other industries. Effluents discharged from these industries cause potential hazards to environment and human health. Hence, the removal of dyes from water/wastewater has gained a huge attention in recent years. So far, biological, chemical and physical methods are the traditional techniques, of which adsorption is found to be a more effective and cheap method for removing dyes. Nanotechnology has applied successfully to the water/wastewater treatment and emerged as a fast-developing promising field. Application of nanomaterials (NMs) in dyes removal seems to be an efficient way. In this review, extensive literature information was presented with regard to dyes, its classification and toxicity, different methods for dyes removal including the removal of dyes by NMs. It is evident from the literature survey that NMs have shown good capability for the removal of dyes. 

Keywords

Wastewater treatment, nanomaterials, graphene, dyes removal, adsorption capacity.

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