移动床生物膜工艺强化处理垃圾焚烧厂渗滤液的特性研究
- Allen
-
0 次阅读
-
0 次下载
-
2020-04-05 17:54:09
文档简介:
第35卷第2期2018年4月黑龙江大学自然科学学报JOURNALOFNATURALSCIENCEOFHEILONGj『IANGUNIVERSITYVol_35No.2April,2018DOI:10.13482/j.issnl001-7011.2018.04.109投稿网址:http:#hdzrxb.cbpt.cnki.net移动床生物膜工艺强化处理垃圾焚烧厂渗滤液的特性研究王广智,徐伟,马贺蒙。,陈睿,赵庆良(1.哈尔滨工业大学环境学院,哈尔滨150090;2.中节能工程技术研究院有限公司,北京100082;3.承德石油高等专科学校建筑工程系,承德067000)摘要:采用移动床生物膜反应器(MBBR)对垃圾焚烧厂渗滤液进行有机物去除和脱氮特性研究,考察了缺氧/好氧(A/O)池容比、硝化液回流比和温度对COD和氨氮去除效果的影响。结果表明,MBBR的最佳运行条件为池容比A/0l:3、硝化液回流比300%、室温25℃。在该运行条件下稳定运行,MBBR工艺对COD和氨氮的平均去除率达到64%和97%,能够实现对高浓度氨氮的有效去除。经过好氧MBBR处理后,垃圾渗滤液的COD和氨氮显著降低,可满足深度处理单元的进水水质要求,表明MBBR工艺在处理垃圾渗滤液方面具有显著优势。关键词:MBBR;垃圾渗滤液;生物填料;脱氮中图分类号:X703文献标志码:A文章编号:1001—7011(2018)02—0194一O6StudyoncharacteristicsoftreatingleachateinmunicipalsolidwasteincinerationplantbymovingbedbiofilmreactorWANGGuangzhi,XUWei,MAHemeng,CHENRui,ZHAOQingliang(1.SchoolofEnvironment,HarbinInstituteofTechnology,Harbin150090,China;2.CECEPEngineeringTechnologyResearchInstitute,Beijing100082,China;3.DepartmentofArchitectureandCivilEngineering,ChengdePetroleumCollege,Chengde067000,China)Abstract:Thisresearchaimedtostudytheremovaloforganicmattersanddenitrificationofleachatefromwasteincinerationplants.Theeffectsofanaerobic/oxic(A/O)poolvolumeratio,nitrificationsolutionratioandtemperatureontheremovalefficiencyofthechemicaloxygendemand(COD)andammoniani—trogen(NH一N,thetoxicpollutantinleachate)weresystematicallyinvestigatedusingamobilebedbio—filmreactorfMBBR).TheresultsshowedthattheoptimaloperatingconditionsofMBBRcanbecon—trolledatl:3forA/O.300%fornitrification,andambienttemperature.DuringthestableoperationofaerobicMBBRundertheaboveoptimumprocessconditions,theaverageremovalrateofCODandNH1一Nweredeterminedtobe64%and97%.respectively.TheseresultsindicatedthatthehighconcentrationofNH一NtoxicpollutantcanbeeffectivelyremovedusingthisMBBRdesign.TheconcentrationofCODandNH一NweresignificantlyreducedupontreatmentusingtheaerobicMBBR.Therequirementoftheinfluentwaterqualityofthedeeptreatmentunitwasfullyfulfilled,suggestingthattheMBBRprocesscan收稿日期:2017—12—06基金项目:国家重点研发计划项目(2016YFC0401106);中节能科技创新项目(2
评论
发表评论