厨余垃圾堆肥质量检测评价研究李剑颖1,2,赖金丽1,2,孙宇1,2,任晓灵1,2(1.北京市城市管理研究院,北京100028;2.生活垃圾检测分析与评价北京市重点实验室,北京100028)【摘要】对北京市堆肥处理设施分出厨余垃圾进行检测分析,结果表明:厨余垃圾水分含量为79.19%~83.36%,有机质含量为89.62%~96.22%,全氮含量为1.16%~1.42%,全磷含量为2.36%~2.94%,全钾含量为1.03%~1.30%,总养分含量为4.97%~5.65%,pH为4.20~5.30,重金属含量低,厨余垃圾宜作为好氧堆肥原料;对堆肥得到的产品质量进行抽样检测得到,堆肥产品水分含量平均值为19.35%,有机质含量平均值为73.34%,全氮含量平均值为2.66%,全磷含量平均值为0.67%,全钾含量平均值为0.85%,总养分含量平均值为4.17%,pH平均值为6.44,重金属污染物单因子含量排序为Cr>Pb>As>Cd>Hg,植物种子发芽指数平均值为0.74,所有指标均符合NY/T525—2021有机肥料标准限值要求,堆肥产品质量合格,可以用于改善土壤肥力。【关键词】厨余垃圾;堆肥产物;植物种子发芽指数;重金属;养分中图分类号:X799.3文献标识码:A文章编号:1005-8206(2023)01-0033-05DOI:10.19841/j.cnki.hjwsgc.2023.01.005StudyonQualityDetectionandEvaluationofKitchenWasteCompostingLIJianying1,2,LAIJinli1,2,SUNYu1,2,RENXiaoling1,2(1.BeijingMunicipalInstituteofCityManagement,Beijing100028;2.BeijingKeyLaboratoryofMunicipalSolidWasteDetectionAnalysisandEvaluation,Beijing100028)【Abstract】ThekitchenwastefromcompostingtreatmentfacilitiesinBeijingwastestedandanalyzed.Theresultsshowedthatthewatercontentofkitchenwastewas79.19%~83.36%,theorganicmattercontentwas89.62%~96.22%,thetotalnitrogencontentwas1.16%~1.42%,thetotalphosphoruscontentwas2.36%~2.94%,thetotalpotassiumcontentwas1.03%~1.30%,thetotalnutrientcontentwas4.97%~5.65%,thepHwas4.20~5.30,andthecontentofheavymetalswaslow,sothekitchenwastecouldbeusedasaerobiccompostmaterial.Thequalityoftheproductsobtainedbycompostwastestedbysampling,showedtheaveragewatercontentofcompostproductswas19.35%,theaverageorganicmattercontentwas73.34%,theaveragetotalnitrogencontentwas2.66%,theaveragetotalphosphoruscontentwas0.67%,theaveragetotalpotassiumcontentwas0.85%,the...