Nanocellulose-Based Adsorption for the Removal of Heavy Metal from Wastewater�A Review

Gobi, M and Kumar, A and Singh, J and Singh, S and Ramamurthy, PC (2024) Nanocellulose-Based Adsorption for the Removal of Heavy Metal from Wastewater�A Review. In: Water Conservation Science and Engineering, 9 (1).

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Abstract

Water contamination is worsening with increasing industrialization. The effluents released from various kinds of industries adversely affect water bodies through heavy metal contamination. Heavy metals present in industrial waste, such as arsenic, lead, mercury, copper, titanium, chromium, zinc, nickel, cadmium, and vanadium, have harmful effects on all living organisms. To minimize the risk caused by heavy metals, eliminating these heavy metals via effective methods is necessary. Nanocellulose, one of the many environmentally friendly functional nanomaterials, is becoming more popular for its utilization in conserving the environment through technology because of its many distinctive qualities and functions. Typically, nanocellulose is created by bacteria or by the breakdown of naturally existing polymers. One advantage of this natural polymer is that it is widely distributed and abundant on Earth since it is present in most plants and organic wastes. In comparison to the unmodified form of nanocellulose, the functionalized NCs improve the matrix compatibility and quickly form robust network structures, which are crucial for the creation of channels for improved impurity adsorption and increased water flow. The regeneration characteristics of nanocellulose as an adsorbent also implies immense performance after several adsorption�desorption cycles, which bodes well for its stability in scaling-up applications. This article provides an in-depth examination of the use of modified nanocellulose and its forms in heavy metal removal from wastewater. The current study also offers numerous viewpoints concerning the dependability of isotherms related to adsorption and models that are kinetic, as well as speculative ideas on adsorption thermodynamics. Graphical Abstract: (Figure presented.) © The Author(s), under exclusive licence to Springer Nature Singapore Pte Ltd. 2024.

Item Type:	Journal Article
Publication:	Water Conservation Science and Engineering
Publisher:	Springer Nature
Additional Information:	The copyright for this article belongs to Springer Nature Singapore Pte Ltd.
Keywords:	Adsorption; Chemicals removal (water treatment); Effluents; Flow of water; Isotherms; Nanocellulose; Water pollution, Copper/titanium; Heavy metal contamination; Heavy metal removal; Industrialisation; Nano-cellulose; Nickel cadmium; Titanium-chromium; Water contamination; Waterbodies; Zinc-nickel, Heavy metals
Department/Centre:	Division of Interdisciplinary Sciences > Interdisciplinary Centre for Water Research
Date Deposited:	31 May 2024 04:44
Last Modified:	31 May 2024 04:44
URI:	https://eprints.iisc.ac.in/id/eprint/85013

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