Arsenic removal approaches: A focus on chitosan biosorption to conserve the water sources

A review of arsenic mitigation strategies in community water supplies with insights from South Asia: options, opportunities and constraints

“…146–149 However, there are some limitations like low acid stability and poor mechanical properties that have been improved in recent studies to enhance the As removal capability of chitosan. 150 The physical modifications include blending chitosan onto another template or transforming it into various morphologies such as sponges, hollow fibers, nanoparticles, beads, and hydrogels. For example, Gupta et al (2013) synthesized a novel chitosan/iron chitosan-coated sand (CCS) that can be used as an affordable adsorbent for the removal of arsenite and arsenate ions from groundwater.…”

Removal of arsenic from semiarid area groundwater using a biosorbent from watermelon peel waste

“…Multiple organic waste materials have been investigated as potential removers of several pollutants [ 12 , 17 , 20 , 25 , 35 , 36 , 39 , 42 , 43 , [50] , [51] , [52] , [53] , [54] ], one of the most promising is the watermelon peel. This material is natural, cheaper, abundant, and a huge source of non-essential amino acid, citrulline along with carotenoids, cellulose, pectin, and proteins.…”

Multifunctional Cross-Linked Shrimp Waste-Derived Chitosan/MgAl-LDH Composite for Removal of As(V) from Wastewater and Antibacterial Activity

“…Cross-linking, 11 , 12 impregnation, 13 and composite 14 formation of biopolymers lead to the fabrication of novel adsorbents with enhanced physicochemical properties. Biopolymers, like cellulose, 15 chitin, 16 alginate, 17 chitosan, 18 fluorapatite natural, 19 etc., were studied in the present scenario. Among them, chitosan shows wide applications, as it has amino and hydroxyl group functionalities to combine with organic and inorganic moieties.…”