Moringa oleifera–Chitosan Composites for Sustainable Wastewater Treatment: A Review of Coagulation, Adsorption and Antimicrobial Performance
Volume: 15 - Issue: 08 - Date: 31-08-2026
Approved ISSN: 2278-1412
Published Id: IJAECESTU510 | Page No.: 101-104
Author: Vipin Bansal
Co- Author: Ankit Agrawal
Abstract:-Conventional wastewater treatment relies on chemical coagulants such as alum and ferric salts, which generate bulky sludge, leave residual metals in treated water and raise treatment costs. Natural coagulants are biodegradable, renewable and low in toxicity, and among them the seed proteins of Moringa oleifera and the biopolymer chitosan are the most studied. This paper reviews the limitations of conventional coagulants, the properties and mechanisms of Moringa oleifera and chitosan, and recent work on their composites for the removal of turbidity, organic matter, heavy metals and pathogens. Reported removal efficiencies are compared, and the main research gaps are identified: limited work on stable bead-form Moringa–chitosan composites, scarce testing on real wastewater, insufficient statistical optimization, and little economic or scale-up assessment. Directions for future work are proposed.
Key Words:-Moringa oleifera, chitosan, natural coagulant, composite beads, wastewater treatment, antimicrobial activity
Area:-Biological Science
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