化工废水处理中催化氧化剂对污染物去除的研究

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中图分类号： X703 文献标识码：B 文章编号：1004-8901（2025）04-0032-03

Study on the Removal of Pollutants in Chemical Wastewater Treatment Using Catalytic Oxidants

WU Chun-yu

（ChangshuEnuironmentalMonitoringStation，ChangshuJiangsu 2l55Oo，China

AbstractBasedotreatentfilttgadenicoltatsinicalwastewaterthisdyivestigatedtefoef metalxides，molecularsievesupprtedcatalyticidants，andnlquidfuctioaledidantseimpactoftmperature，pHauead oxidantconcentrationonpolutantdegradationeficiencyisinvestigatedthroughsystematicoptimizationexperimentsTheresultsshowthat nickel-manganese composite oxides can remove 93.8% of phenolic compounds at 50°C and 4.0pH value.Molecular sieve-supported catalysts exhibite excellent reusability，maintaining over 88% activity after five recycles.Analysis on free radical capture and intermediate product reveals thereactionmechanismintecatalyticoxidationprocess，provdingateoreticalbasisforthefcientreatmentofhemicalwasteate

Keywords：chemical wastewater；catalytic oxidant；pollutant removal；metal oxide；molecular sieve doi：10.3969/j.issn.1004-8901.2025.04.010

化工废水因其成分复杂、有机物浓度高、生物毒性大等特点，已成为水污染防治的难点。（剩余4323字）