AO生物膜系统处理煤化工废水赵维电

610Vol．6No．10201210ChineseJournalofEnvironmentalEngineeringOct．2012A/O-121*11．2501002．250013A/OA/O-。。10℃、COD350～1100mg/L、80～280mg/LCOD6010mg/L90%95%。。20℃COD1．42．510℃3．13．0。A/O-X703．1A1673-9108201210-3481-04TreatmentofcoalchemicalindustrywastewaterbyanA/O-biofilmpilotsystemZhaoWeidian12WangXinhua1GaoBaoyu11．ShandongKeyLaboratoryofWaterPollutionControlandResourcesReuseSchoolofEnvironmentalScienceandEngineeringShandongUniversityJinan250100China2．ShandongAcademyofEnvironmentalScienceJinan250013ChinaAbstractThisstudyconstructedanA/O-biofilmpilotsystembyaddingpolyurethanemediaintotheaerobictankofconventionalA/Oprocessandinvestigatedthefeasibilityoftreatingcoalchemicalindustrialwastewatercontai-ninghighstrengthammoniabythissystem．Resultssuggestthatthissystemhadahighresistancetoshockloadingandcouldreachhighremovalefficiencyatlowtemperatures．Whenthesystemtemperaturewasabove10℃andtheinflu-entCODandammonium-nitrogenconcentrationswererespectivelyfluctuatedbetween350to1100mg/Land80to280mg/LtheremovalefficienciesforbothCODandammonium-nitrogenwereabove90%andtheeffluentCODandammonium-nitrogenconcentrationswerealwaysmaintainedbelow60and10mg/Lrespectively．Lowtemperaturehadagreaterimpactonthebiodegradationactivityofsuspendedsludgethanthatofbiofilm．Atroomtemperature20℃thebiodegradationratesofCODandammonium-nitrogenforbiofilmwereabout1．4and2．5timesofthatforsuspen-dedsludgewhilethesevalueschangedrespectivelyto3．1and3．0timesatalowtemperature10℃．KeywordspolyurethanemediaA/O-biofilmcoalchemicalwastewaterlowtemperature2009ZX07210-008-0022011－08－112011－10－101985～。[e-mail]*[e-mail]、C/NCOD、1。、SBRA/O、、、。、、、。、、、、23。/A/OA/O-。11．11。1m×61m×2m1．5m3。1．5m×1．5m×1．2m2．7m31．5cm330%。98%21kg/m3845m2/m335。4mg/L0．18m3/h24h。1Fig．1Flowdiagramofexperimentaldevice1．2SBRSS5821mg/L、VSS4357mg/L、VSS/SS0．75。。COD350～1100mg/L80～280mg/L40～50NTUpH7．5～88～23℃。1．3CODNH+4-NNO－3-NNO－2-NN-1-TNSS、VSS4。DC-5300SUNTEXDOpHPC-310SUNTEXpH2100PHACH。22．124hHRT。25。。3SS5821mg/L3534mg/L。、、N2、67。6d。10d。COD6010mg/L2、310NTU。A/O-。2．2。、、、。2CODFig．2RemovalefficiencyofCOD。2CODCOD。SSVSSVSS/SS0．65。10℃23COD60mg/LCOD90%284310A/O-《GB8978-1996》。Jeong8COD2600～4700mg/L340～900mg/L97%93%。A/O-COD。3Fig．3Removalefficiencyofammonium-nitrogen37～2210～22℃72～277mg/L10mg/L95%《GB8978-1996》。A/O-。。A/O-4365mg/L4．011．2mg/L9A/O30342mg/L0．14139．4mg/L66．4%10。A/O。2．3A/O-COD。233310℃4．2mg/L18．5mg/L97%91．7%3。11COD。20～30℃。20℃10℃3．312。。1℃10%。13。A/O-14。11℃65%15。A/O-10℃90%。。。A/O-4260mg/L4mg/L。20℃10℃1。1Table1Temperatureeffectsonbiodegradationrate℃CODmg/gSS·hNH+4-Nmg/gSS·hCODmg/gSS·hNH+4-Nmg/gSS·h102．30．77．22．1206．21．38．93．320℃COD1．42．510℃3．13．0。A/OA/O-38436。1。20℃10℃COD62．9%46．2%COD19．1%36．4%。。31A/O-、、。210℃A/O-COD6010mg/L90%95%。10℃COD。3。20℃COD1．42．510℃3．13．0。1．A/O1/H/O2．2010461231-1237LiYuanyuanPanXiaxiaDengLiujieetal．AchievementandinhibitionofnitrificationincokingwastewatertreatmentbyA/O1/H/O2processes．ChineseJournalofEnvironmentalEngineering2010461231-1237inChinese2．．200930113306-3310QuYanzhiLiuCaoLiaoRihongetal．Treatmentofmi-cro-pollutedriverwaterbyimmobilizedmicroorganismtech-nique．EnvironmentalScience200930113306-3310inChinese3．．2009351196-99YuJinyuZhangYuLiHepingetal．Studyofabiofilmcarrierusedformunicipalwastewater．TechnologyofWaterTreatment2009351196-99inChinese4．4．20025．．201029111-14FangJianwenLiuJianguangHaoZhaoliang．Studyonstartupmethodsofbiofilmculturingofsuspendedcarrieraerobicmovingbedreactor．EnvironmentalScienceSurvey201029111-14inChinese6WannerJ．StablefoamsandsludgebulkingThelargestre-mainingproblems．WaterandEnvironment1998125368-3747MadoniP．DavoliD．GibinG．Surveyoffilamentousmi-croorganismfrombulkingandfoamingactivated-sludgeplantsinItaly．WaterResearch20003461767-17728JeongY．S．ChungJ．S．SimultaneousremovalofCODthiocyanatecyanideandnitrogenfromcoalprocesswastewaterusingfluidizedbiofilmprocess．ProcessBio-chemistry20064151141-11479．．201026119-12PengZhaoxuPengYongzhenGuiLijuanetal．Shortterminfluenceofammonianitrogenimpactloadonnitrifica-tionprocess．ChinaWater＆Wastewater201026119-12inChinese10．A/O．200931238-46ZhangShuangSongJingguoYangpingetal．A/OMBRperformanceintreatingawastewaterofhighammo-niaconcentration．EnvironmentalPollution＆Control200931238-46inChinese11FahidK．J．RabahMohamedF．etal．Biofilmandbio-masscharacteristicsinhigh-performancefluidized-bedbio-filmreactors．WaterResearch200438194262-427012DongY．M．ZhangZ．J．JinY．W．etal．Nitrificationperformanceofnitrifyingbacteriaimmobilizedinwaterbornepolyurethaneatlowammonianitrogenconcentrations．Jour-nalofEnvironmentalSciences2011233366-37113MagorzataK．K．HannaM．EugeniuszK．Factorsaf-fectingthebiologicalnitrogenremovalfromwastewater．ProcessBiochemistry20064151015-102114NogueiraR．MeloL．F．PurkholdU．etal．NitrifyingandheterotrophicpopulationdynamicsinbiofilmreactorsEffectsofhydraulicretentiontimeandthepresenceofor-ganiccarbon．WaterResearch2002362469-48115．．20031966-8HeGuofuZhouZengyanGaoTingyao．Denitrificationeffectandaffectingfactorsofactivatedsludgeprocesswithadditionofsuspendedcarrier．ChinaWater＆Wastewater20031966-8inChinese4843