Mechanistic Insight into Humic Acid-Enhanced Hydroxyl Radical Production from Fe(II)-Bearing Clay Mineral Oxygenation.
Chenglong Yu, Yanting Zhang, Yuxi Lu, Ao Qian, Peng Zhang, Yanping Cui, Songhu Yuan
Abstract
decomposition, with larger contributions at higher HA concentrations (5-100 mg C/L). Our findings implicate that HA-mediated electron transfer can expand the area of •OH production from the mineral surface to the aqueous phase and increase the yield of •OH production.
Topics & Concepts
ChemistryElectron transferHumic acidNontroniteYield (engineering)Hydroxyl radicalMontmorilloniteDecompositionOxygenClay mineralsElectron transport chainAqueous solutionRadicalInorganic chemistryPhotochemistryMineralogyOrganic chemistryBiochemistryMetallurgyMaterials scienceFertilizerAdvanced oxidation water treatment