不同调理剂协同市政污泥好氧堆肥试验研究

工业用水与废水陨晕阅哉杂栽砸陨粤蕴宰粤栽耘砸驭宰粤杂栽耘宰粤栽耘砸灾燥造援51晕燥援1Feb.袁2020固废处理孟云姣葬袁遭袁唐锋兵葬袁遭袁张娟葬袁遭袁李思敏葬袁遭袁党娅倩葬袁遭渊河北工程大学a.河北省水污染控制与水生态修复技术创新中心曰b.能源与环境工程学院袁河北邯郸056038冤基金项目院河北省节能环保与科技治霾专项渊18273806D冤城市污水处理厂剩余污泥富含晕尧孕尧运等营养物质及大量有机质遥同时袁污泥中含有大量的致病菌尧重金属有毒有害物质咱员暂遥如果不经过妥善处理及处置袁会对土壤和环境造成严重污染遥有研究表明袁好氧堆肥是一种有效的污泥稳定化处理工艺袁其最终产物可作为土壤改良剂或土壤调节剂丰富土壤中的有机质和微生物袁从而提高土壤质量咱圆暂遥由于剩余污泥含水率较高袁透气性差袁单独堆肥难摘要院选用小麦秸秆尧玉米秸秆尧蘑菇渣尧木屑作为调理剂袁分别协同市政污泥进行好氧堆肥研究袁通过测定堆体的理化性质尧有机质尧铵态氮尧硝态氮尧种子发芽指数等指标评价堆肥效果和堆肥质量遥结果表明院添加不同的调理剂均能使堆肥反应顺利进行袁各堆体的理化指标及腐熟度均符合悦允辕栽猿园怨要圆园园怨叶城镇污水处理厂污泥处置农用泥质曳标准要求曰添加蘑菇渣的堆体升温速率最快袁高温维持的时间最长曰堆肥结束时袁上述源种调理剂的堆体中有机质含量比初始时下降了圆猿豫耀猿园豫袁硝化指数分别为员援圆缘尧员援缘远尧园援怨远尧员援猿圆袁种子发芽指数分别为员园愿援园豫尧员园缘援愿豫尧员员园援圆豫尧员园圆援远豫遥综合考虑袁调理剂的选择顺序为蘑菇渣跃玉米秸秆跃小麦秸秆跃木屑遥关键词院调理剂曰市政污泥曰好氧堆肥曰理化性质曰腐熟度中图分类号院载苑03.1文献标志码院粤文章编号院摇员园园怨原圆源缘缘渊圆园20冤园1原园园82原园6Experimentalstudyonaerobiccompostingofmunicipalsludgewithdifferentconditioners酝耘晕郧再怎灶原躁蚤葬燥葬袁遭袁栽粤晕郧云藻灶早原遭蚤灶早葬袁遭袁在匀粤晕郧允怎葬灶葬袁遭袁蕴陨杂蚤原皂蚤灶葬袁遭袁阅粤晕郧再葬原择蚤葬灶葬袁遭渊a.HebeiEngineeringResearchCenterforWaterPollutionControlandWaterEcologicalRestorationTechnologyInnovationCenter;b.CollegeofEnergyandEnvironmentalEngineering,HebeiUniversityofEngineering,Handan056038,China冤Abstract院Selectingwheatstraw,cornstraw,mushroomresidueandsawdustasconditionerstostudytheaerobiccompostingofmunicipalsludge,thecompostingeffectandqualitywereevaluatedthroughdeterminatingphysicochemicalproperties,organicmatters,ammoniumnitrogen,nitricnitrogen,seedgerminationindexandsomeotherevaluationindicatorsofthepiles.Theresultsshowedthat,compostingreactioncouldbecarriedoutsmoothlywiththeadditionofdifferentconditioners,andthephysicochemicalindexesandputrescibilityofeachpileallmettherequirementofCJ/T309要2009AgriculturalArgillaceousSludgeDisposalinUrbanSewageTreatmentPlant.Thepileaddedwithmushroomresiduehadthefastestheatingrateandthelongesttemperatureduration.Attheendofthecomposting,theorganicmatterscontentofthefourcompostpilesdecreasedby23%-30%comparedwiththatatthebeginning,thenitrificationindexeswere1.25,1.56,0.96and1.32respectively,theseedgerminationindexeswere108.0%,105.8%,110.2%,10