中南民族大学学报（自然科学版）2026，Vol.45Issue(3)：315-323,9.DOI:10.20056/j.cnki.ZNMDZK.20250809
羟胺强化流通式电芬顿降解邻苯二甲酸二甲酯的效能和促进机制
Efficacy and facilitation mechanism of hydroxylamine-enhanced flow-through electro-Fenton degradation of dimethyl phthalate
摘要
Abstract
The Electro-Fenton(EF)process represents a significant advancement in Fenton reaction technology,effectively addressing the inherent risks of H2O2 transportation and storage in traditional Fenton systems while minimizing iron sludge generation.A flow-through EF system incorporating hydroxylamine sulfate as a selective ligand for Fe3+was developed.Hydroxylamine exhibited selectivity toward Fe³⁺ while leveraging its reducing properties to promote the Fe³⁺/Fe²⁺cycle,thereby enhancing DMP degradation efficiency.The promoting mechanism of hydroxylamine in DMP degradation within the flow-through electro-Fenton system was also explored.The investigations revealed that the introduction of hydroxylamine into a circulating electro-Fenton system achieved 90％Fe3+-to-Fe2+conversion efficiency,reduced iron dosage to 20 µmol‧L-1 and extended operational pH range to 3-7.In addition,the system maintained stable degradation efficiency across 20 operational cycles under interference from NO3-,Cl-,PO43-and humic acid,and demonstrated versatile plasticizer degradation capabilities.Thus,a novel strategy for optimizing homogeneous flow-through EF systems was provided.关键词
流通式反应装置/电芬顿反应/羟胺/Fe3+/Fe2+离子/邻苯二甲酸二甲酯Key words
flow-through reaction apparatus/Electro-Fenton reaction/hydroxylamine/Fe3+/Fe2+ions/dimethyl phthalate分类
资源环境引用本文复制引用
王纪龙,吴蓓,孙杰..羟胺强化流通式电芬顿降解邻苯二甲酸二甲酯的效能和促进机制[J].中南民族大学学报（自然科学版）,2026,45(3):315-323,9.基金项目
国家自然科学基金资助项目(21477165),中南民族大学创新团队资助项目(KTZ20042) （21477165）
