福建师范大学学报（自然科学版）2025，Vol.41Issue(6)：71-78,8.DOI:10.12046/j.issn.1000-5277.2025090011
生物炭负载锰催化高碘酸盐高效降解四环素
Biochar-Supported Manganese Catalyzed Periodate Efficient Degradation of Tetracycline
摘要
Abstract
A biochar-supported manganese catalyst was prepared by pyrolysis using manganese sulfate monohydrate(MnSO4·H2O)as the precursor and biochar as the carrier,and its perform-ance and mechanism in catalyzing tetracycline degradation by periodate were investigated.The re-sults showed that,under conditions of a periodate concentration of 0.5 mmol·L-1,a catalyst dos-age of 0.2 g·L-1,pH 6.3,and initial tetracycline concentration of 40 mg·L-1,the removal effi-ciency reached 97.7％after 50 min.The catalyst exhibited excellent tetracycline degradation per-formance across a wide pH range,with different anion types,varying humic acid concentrations,and under actual wastewater conditions.Results from quenching experiments combined with electron paramagnetic resonance analysis indicated that hydroxyl radicals,superoxide radicals,and singlet oxygen contributed significantly to tetracycline degradation.关键词
生物炭/锰/催化/高碘酸盐/四环素/降解/废水处理Key words
biochar/manganese/catalysis/periodate/tetracycline/degradation/wastewater treatment分类
环境科学引用本文复制引用
荣誉,艾林林,杨民权,陈日耀,郑曦,金延超..生物炭负载锰催化高碘酸盐高效降解四环素[J].福建师范大学学报（自然科学版）,2025,41(6):71-78,8.基金项目
国家自然科学基金项目(22472026) （22472026）
福建省科技厅引导性项目(2023H0030) （2023H0030）
福建省高校产学合作项目(2024Y4003) （2024Y4003）
