零价铁强化微生物复合功能材料原位修复氯代有机污染地下水的中试研究
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中图分类号：X523 文献标志码：A 文章编号：2095-1329（2025）03-00116-11
Abstract：Thetechnologyresearchonin-situremediationandriskcontrolofhighconcentrationorganicpolutionsitesusingfuctional materialssuchaszroventiroandmicroorganismshasbecomeoneofthehotspotsinentyears.Hwever，itisostlyfocused onindorexperiments，andtheon-siteexperimentalresearch incomplexsoilgroundwaterenvironments isnotyetsuficientThis article is basedonanorganicpolutionsiteintheYangtzeRiver Delta，conductingapilotstudyontheadditionofzerovalentiron toenhancemicrobialcompositefunctionalmaterials.Thedynamicmonitoringof theconcentrationchangesofchlorinatedorganic compounds ingoundwateraftertheaditionofmaterialswascariedoutforl3～21onsecutivemonths，ndanalysiswascaiedout usingmetodssuhasingleellvalidaton，ultiwelldretialoncentraticmpasonndumicalsulationeuls indicate that zerovalentironreinforcedmicrobialcompositefunctionalmaterialshavegoodremediationefectsandcanmaintailongtermeffectivenessinlowconcentrationchlorinatedorganicmattercontaminatedgroundwaterenvironmentswithadegradationrate of over 90% ; Long term degradation of chlorinated organic compounds can alsobe maintained in medium concentration groundwater environments， with a final degradation rate of approximately 70% ; In groundwater environments contaminated with high concentrations ofchlorinatedorganiccompounds，materials maybecomeoverloadedanddeactivated，withpolutantdegradationratesrangingfrom approximately 17% to 58% .The zero valent iron enhanced microbial composite functional material has a good remediation effect on polutedgroundaterelotccetratioange，ileigonentratiolosaoiteedstebed withenhancedmeasuresforjintrmediation.Thereseachconclusionoftiarticlecanprovideempiricalreferenceforteegiering practiceofzerovalentionreiforedmicrobialcompositefunctioalmateralsinthefeldofin-siturmediationoforganicpoluted groundwater.
Key words： groundwater;organic polution; zero-valent iron; microbial remediation; functional materials
我国曾是有机氯农药生产和使用大国，大量生产企业留下了严重的有机氯农药污染场地，对生态和人体健康构成潜在威胁[1-3]。（剩余12594字）
