Surface modification of biomaterials based on cocoa shell with improved nitrate and Cr(<scp>vi</scp>) removal
Patrick Nkuigue Fotsing, Emmanuel Djoufac Woumfo, Soumaya Mezghich, Mélanie Mignot, Nadine Mofaddel, Franck Le Derf, Julien Vieillard
Abstract
The present work addresses the development of simple, low-cost and eco-friendly cocoa-shell-based materials for efficient removal of heavy metal hexavalent chromium (Cr(<sc>vi</sc>)), and toxic nitrate (NO<sub>3</sub><sup>−</sup>) from aqueous solution.
Topics & Concepts
Hexavalent chromiumChemistryAqueous solutionAdsorptionChromiumFreundlich equationNuclear chemistrySorptionDifferential scanning calorimetryZeta potentialSurface modificationChemical engineeringOrganic chemistryNanoparticleThermodynamicsEngineeringPhysicsPhysical chemistryAdsorption and biosorption for pollutant removal