Structural elucidation of hexavalent Cr adsorbed on surfaces and bulks of Fe<sub>3</sub>O<sub>4</sub> and α-FeOOH
Nichapha Senamart, Krittanun Deekamwong, Jatuporn Wittayakun, Sanchai Prayoonpokarach, Narong Chanlek, Yingyot Poo‐arporn, Suttipong Wannapaiboon, Pinit Kidkhunthod, Sirinuch Loiha
Abstract
Magnetite (Fe 3 O 4 ) and goethite (α-FeOOH) were synthesized via a hydrothermal approach and utilized as adsorbents for Cr 6+ removal in an aqueous medium. Cr 3+ could migrate into bulk Fe 3 O 4 and stabilize in form of a solid solution.
Topics & Concepts
AdsorptionAqueous solutionGoethiteMonolayerX-ray photoelectron spectroscopyHexavalent chromiumSpecific surface areaChemistryHydrothermal circulationChemical engineeringMagnetiteLangmuir adsorption modelMoleculeLangmuirMaterials scienceInorganic chemistryCrystallographyPhysical chemistryNanotechnologyCatalysisOrganic chemistryChromiumMetallurgyEngineeringAdsorption and biosorption for pollutant removalIron oxide chemistry and applicationsNanomaterials for catalytic reactions