Applications of chitin and chitosan based biomaterials for the adsorptive removal of textile dyes from water — A comprehensive review. (1st December 2021)

• Record Type: Journal Article
• Authors: Sirajudheen, Palliyalil; Poovathumkuzhi, Nabeena Chettithodi; Vigneshwaran, Sivakumar; Chelaveettil, Basheer Meethale; Meenakshi, Sankaran
• Is Part Of: Carbohydrate polymers. Volume 273(2021)
• Publication Date: 2021-12-01
• Subjects: Biopolymer -- Chitin -- Chitosan -- Doping effect -- Dye adsorption; Cellulose (PubChem CID: 14055602) -- Chitin (PubChem CID: 6857375) -- Chitosan (PubChem CID: 71853) -- Epichlorohydrin (PubChem CID: 7835) -- Glutaraldehyde (PubChem CID: 3485) -- Graphene oxide (PubChem CID: 124202900) -- Montmorillonite (PubChem CID: 71586775) -- Silica (PubChem CID: 190201) -- Sodium hydroxide (PubChem CID: 14798) -- Zeolite (PubChem CID: 131713223); Polysaccharides -- Periodicals; Polysaccharides -- Periodicals; Polysaccharides -- Périodiques; Electronic journals; 547.78
• DOI: 10.1016/j.carbpol.2021.118604
• Languages: English
• ISSNs: 0144-8617

Abstract

Abstract: The presence of pollutants in the water bodies deteriorate the water quality and make it unfit for use. From an environmental perspective, it is essential to develop new technologies for the wastewater treatment and recycling of dye contaminated water. The surface modified chitin and chitosan biopolymeric composites based adsorbents, have an important role in the toxic organic dyes from removal wastewater. The surface modification of biopolymers with various organics and inorganics produces more active sites at the surface of the adsorbent, which enhances dye and adsorbent interaction more reliable. Herein, the work brought in the thought of the application of various chitin and chitosan composites in wastewater remediation and suggested the versatility in composites for the development of rapid, selective and effective removal processes for the detoxification of a variety of organic dyes. It further emphasizes the existing obstruction and impending prediction for the deprivation of dyes via adsorption techniques. Highlights: Water pollution leads to water scarcity, which requires remediation. Dyes cause water toxicity and adversely affect living organisms. Adsorption is the one of the most appropriate method for dye removal. Surface modified chitin and chitosan are used as effective dye adsorbents. Dye sorption mostly follows pseudo-second-order kinetics and Freundlich isotherm.