Facile synthesis of Fe(III)-doped g-C3N4 and its application in peroxymonosulfate activation for degrading refractory contaminants via nonradical oxidation
Source abstract
Abstract
Herein, Fe(III)-doped g-C3N4 (FeCN) could efficiently activate peroxymonosulfate (PMS), which was prepared via a facile one-pot synthesis approach. The physical and chemical properties of the samples were characterized by XRD, FTIR, SEM, TEM, XPS, and BET. The FeCN/PMS system displayed high activity in the degradation of several contaminants, including cationic rhodamine B (RhB), anionic methyl orange (MO), and neutral phenol. Compared to SO4·−-based advanced oxidation technology, the FeCN/PMS system is a nonradical process; high-valent iron-oxo species (FeIV = O) and singlet oxygen (1O2) are the primary reactive oxygen species (ROS). The effects of various operational parameters, such as catalyst loading, peroxymonosulfate dosage, substrate concentration, and pH, on the performance of the FeCN6/PMS system were also studied. FeCN6/PMS exhibited acceptable degradation of RhB in the presence of coexisting anions (i.e., Cl−, SO42−, NO3−, and H2PO4−) and natural organic matter (NOM).
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced oxidation water treatment · Advanced Photocatalysis Techniques · Environmental remediation with nanomaterials
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References (63)
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