Synergetic Adsorption–Photocatalytic Activated Fenton System via Iron-Doped g-C3N4/GO Hybrid for Complex Wastewater
Open Access
Abstract
A synergetic adsorption–photocatalytic-activated Fenton system using an iron-doped g-C3N4/GO (GO/Fe-GCN) hybrid with highly efficient performance was established. The highly dispersed iron species with a Fe2+/Fe3+ ratio (1.67) and mesopores (3.7 nm) with a relative higher specific area and pore volume benefited the reaction efficiency and the contact of organic pollutants with the active sites. In the dynamic adsorption–photo-coordinated Fenton system, the maximum removal rate of GO/Fe-GCN reached 96.5% and equilibrium was 83.6% for Rhodamine B. The GO component not only enhanced the adsorption but also provided a higher efficiency of photo-generated carrier separation and transport. The hybrid structure of GO/Fe-GCN and the high efficiency of circulation of Fe(III)/Fe(II) played an essential role in the synergy of the adsorption–enrichment and the photo-coordinated Fenton reaction. GO/Fe-GCN can also be used to treat complex waste-water containing metallic ions, metal complexes, and organic pollutants, which could allow potential applications in the treatment of water pollution.Keywords
Funding Information
- China Petroleum & Chemical Corporation (Sinopec) (321042, 320005, CE20215031)
- Science and Technology Project of Changzhou City (321042, 320005, CE20215031)
This publication has 69 references indexed in Scilit:
- Template-free preparation of macro/mesoporous g-C3N4/TiO2 heterojunction photocatalysts with enhanced visible light photocatalytic activityApplied Catalysis B: Environment and Energy, 2016
- Photodegradation of phenol via C3N4-agar hybrid hydrogel 3D photocatalysts with free separationApplied Catalysis B: Environment and Energy, 2016
- Preparation of magnetite-based catalysts and their application in heterogeneous Fenton oxidation – A reviewApplied Catalysis B: Environment and Energy, 2015
- Graphene-based materials: Synthesis and gas sorption, storage and separationProgress in Materials Science, 2015
- Template-free synthesis of porous graphitic carbon nitride microspheres for enhanced photocatalytic hydrogen generation with high stabilityApplied Catalysis B: Environment and Energy, 2015
- Efficient synthesis of monolayer carbon nitride 2D nanosheet with tunable concentration and enhanced visible-light photocatalytic activitiesApplied Catalysis B: Environment and Energy, 2015
- The properties and photocatalytic performance comparison of Fe3+-doped g-C3N4 and Fe2O3/g-C3N4 composite catalystsRSC Advances, 2014
- Fe-doped and -mediated graphitic carbon nitride nanosheets for enhanced photocatalytic performance under natural sunlightJournal of Materials Chemistry A, 2014
- Improving Carbon Nitride Photocatalysis by Supramolecular Preorganization of MonomersJournal of the American Chemical Society, 2013
- Functional Supramolecular PolymersScience, 2012