第31卷第4期2023年8月环境卫生工程EnvironmentalSanitationEngineeringVol.31No.4Aug.2023第31卷第4期2023年8月环境卫生工程EnvironmentalSanitationEngineeringVol.31No.4Aug.2023不同通风模式下生活垃圾填埋稳定化研究*淦方茂1,金攀2,虞文波2,郭帅2,惠二青1,杨家宽2(1.长江生态环保集团有限公司,湖北武汉430062;2.华中科技大学环境科学与工程学院,湖北武汉430074)【摘要】以生活垃圾为研究对象,设置厌氧、好氧、微好氧3组填埋反应器,对填埋过程中渗滤液、垃圾堆体、填埋气三相指标进行分析,研究填埋垃圾的稳定化进程。结果表明:好氧和微好氧环境下能够减少渗滤液的产生量,加速渗滤液中污染物的降解。相对于厌氧填埋反应器,好氧填埋反应器温度更高,垃圾堆体沉降速度更快。微好氧填埋过程中垃圾堆体内部O2浓度可以维持在10%左右,O2浓度分布由上至下依次递减,随着填埋深度的增加,气体更难扩散。【关键词】村镇垃圾;填埋处置;通风模式;渗滤液;填埋气;稳定化中图分类号:X799.3文献标识码:A文章编号:1005-8206(2023)04-0083-07DOI:10.19841/j.cnki.hjwsgc.2023.04.014StudyontheStabilizationofSolidWasteLandfillUnderDifferentVentilationModesGANFangmao1,JINPan2,YUWenbo2,GUOShuai2,HUIErqing1,YANGJiakuan2(1.YangtzeEcologyandEnvironmentCo.Ltd.,WuhanHubei430062;2.SchoolofEnvironmentalScienceandEngineering,HuazhongUniversityofScienceandTechnology,WuhanHubei430074)【Abstract】Thesolidwastewastakenasresearchobject.Threegroupsofanaerobic,aerobicandmicro-aerobiclandfillreactorsweresetuptoanalyzethethreephaseindexesofleachate,landfillwaste,andlandfillgasinlandfillprocess,soastostudythestabilizationprocessoflandfill.Theexperimentalresultsshowedthattheaerobicandmicro-aerobicconditionscouldreducetheproductionofleachateandacceleratethedegradationofpollutantsinleachate.Comparedwithanaerobiclandfill,theaerobiclandfillreactortemperaturewashigherandthesettlementrateofthewastepilewasfaster.Intheprocessofmicro-aerobiclandfill,theconcentrationofO2insidethelandfillcouldbemaintainedatabout10%.TheconcentrationdistributionofO2decreasedfromtoptobottom.Asthedepthofthelandfillincreased,itbecameharderforthegastodisperse.【Keywords...