反应沉淀一体式矩形环流生物反应器处理屠宰废水

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49晕燥援4Aug.袁20员8刘旭1袁刘淑杰1袁2袁段美娟1袁陈钰2袁郑进才3袁钟涛3袁陈福明1袁2渊1.深圳市清研环境科技有限公司袁广东深圳518057曰2.深圳清华大学研究院袁广东深圳518057曰3.华润肉类食品渊深圳冤有限公司龙岗分公司袁广东深圳518057冤屠宰废水含有较高浓度的有机物渊CODCr冤尧总氮渊TN冤和悬浮物渊SS冤咱员-3暂袁相比生活污水处理难度较大遥华润肉类食品渊深圳冤有限公司龙岗分公司原有2500m3辕d屠宰废水处理设施袁采用A2辕O工Treatmentofslaughterwastewaterusingreaction-precipitationintegratedrectangularairliftloopbioreactorLIUXu1袁LIUShu-jie1袁2袁DUANMei-juan1袁CHENYu2袁ZHENGJin-cai3袁ZHONGTao3袁CHENFu-ming1袁2渊1.ShenzhenQingyanEnvironmentalTechnologyCo.,Ltd.,Shenzhen518057,China;2.ResearchInstituteofTsinghuaUniversityinShenzhen,Shenzhen518057,China;3.Long-gangBranchofChinaResourcesMeatFoodCo.,Ltd.,Shenzhen518057,China冤Abstract院Inviewoftheextensionandrenovationrequirementofaslaughterwastewatertreatmentplant,asystemwithreaction-precipitationintegratedrectangularairliftloopbioreactor(RPIR)asthecoretechnologywasusedtotreatslaughterwastewater.Theoperationresultsshowedthat,theaverageremovalratesofCODCr,NH3-N,TNandTPwere94.1%,90.1%,68.4%and85.9%respectively,theaveragemassconcentrationsofthemwere110.8,16.0,81.5and3.8mg/Lrespectivelywiththeannualreductionof970.9,80.6,94.9and13.7trespectively.TheaveragemassconcentrationofSSineffluentwaterwas17mg/L.Itcouldbeseenthat,theCODCr,NH3-NandSSconcentrationsofeffluentwaterwereallsuperiortotherequirementofgrade2inGB13457要1992DischargeStandardofWaterPollutantsforMeatPackingIndustry.TheSV30oftheRPIRaerobicreactionzonewas35%-45%,themassconcentrationsofMLSSandMLVSScouldmaintainedatabout6000and3650mg/Lrespectively.ThefloorspaceofRPIRbiochemicalreactionzoneofthesaidnewsystemforonetonwatertreatmentwas0.16m2.Keywords:reaction-precipitationintegratedrectangularairliftloopreactor;slaughterwastewater;loopcurrent;nitrification;denitrification反应沉淀一体式矩形环流生物反应器处理屠宰废水摘要院针对屠宰废水处理厂的扩容改造需求袁开展了以反应沉淀一体式矩形环流生物反应器渊RPIR冤为核心工艺的废水处理系统对屠宰废水进行处理的研究遥运行结果显示袁新系统对屠宰废水中CODCr尧NH3-N尧TN和TP的平均去除率分别为94.1%尧90.1%尧68.4%和85.9%袁出水平均质量浓度分别为110.8尧16.0尧81.5尧3.8mg/L袁年削减量分别为970.9尧80.6尧94.9和13.7t遥新系统出水SS平均质量浓度为17mg/L遥出水CODCr尧NH3-N尧SS均优于GB13457要199