城市污水强化处理的污泥性能与生物相相关性研究曾晓岚

城市污水强化处理的污泥性能与生物相相关性研究曾晓岚,　张智,　丁文川,　许萍,　邓晓莉(,　400045)　:,。:;　;　;　:X701　　:A　　:1003-6504(2004)02-0024-04　　,,、。,、、,,,[1]。,,、(),、[2]。,(2kgBOD5/kgMLSS·d、≥2kgBOD5/kgMLSS·d),、。1　1.1　试验流程、。,4.35L、3.84L、3.33L2.56L;19.20L、13.05L、8.15L、5.44L4.33L;;LZB—4,LZB—3LZB—2;NS8200ACO—008B。:(1972-),,,,。1.2　试验污水水质(1)。、、、、,。,COD126～510mg/L,BOD572～145mg/L,SS84～170mg/L,NH3-N13～40mg/L,TP4.1～10.3mg/L,NO3-N1.6～2.2mg/L,pH6.4～6.7,10～14℃。(2)、、、、。,COD120～519mg/L,BOD5237～287mg/L,SS67～230mg/L,NH3-N10～21mg/L,TP6.1～12.1mg/L,NO3-N2.9～3.6mg/L,pH5.8～6.4,11～19℃。1.3　测试项目及方法频率,,。2　2.1　水力停留时间的影响:3.0kgCOD/kgMLSS·d、2.0mg/L。2.1.1　1　SV30SVIHRT(min)SV30(%)SVISV309015.078.377215.076.266014.068.294818.375.433017.870.661818.869.07(1)2.5g/L,,,,,,10minSVSV30;2.5g/L,,,,30minSV30。(2)。,,;,,。(3),。　　1:(1)HRT18min90min,,,·24·　27　2　20043DOI:10.19672/j.cnki.1003-6504.2004.02.011SVI,。(2)HRT,,,SV3018.8%～14.0%,。2.1.2　(1)HRT,,,,,,。(2)HRT,,(1),(2);,,、、、。2.2　污泥负荷的影响:,0.8h、2.0mg/L。2.2.1　2:(1)1.93kgCOD/kgMLSS·d3.82kgCOD/kgMLSS·d,SVI66～71,,;3.82kgCOD/kgMLSS·d5.00kgCOD/kgMLSS·d,SVI68.8595.77,27,。5.00kgCOD/kgMLSS·d,SVI100,,。(2)5.3kgCOD/kgMLSS·d,SVI200,,,。(3)SVI200,,COD、SS;,SVI,。,SVI,。(4)SVIMLSS,,SV30、[3],SV30。2　(kgCOD/kgmLSS.d)SV30(%)SVISV301.9314.568.332.4516.570.332.8117.066.773.1519.569.923.8221.068.854.0622.579.764.7721.084.585.0021.595.77(1)2.5g/L,,,;2.5g/L,,,。(2)SV30,,,。(3),。5.30200(1),,,,30minSV30。(2),,。(3),。2.2.2　(1)5.0kgBOD5/kgMLSS·d,,,,;5.0kgBOD5/kgMLSS·d,,,,,,。(2)5.0kgBOD5/kgMLSS·d,,,,;5.0kgBOD5/kgMLSS·d,,,(3),;5.0kgBOD5/kgMLSS·d,,,。(3)5.0kgBOD5/kgMLSS·d,,、、,;5.0kgBOD5/kgMLSS·d,·25·　,,(4),;5.0kgBOD5/kgMLSS·d,,。,,、,,(5)。2.3　溶解氧的影响:3.60kgCOD/kgMLSS·d,0.8h。2.3.1　3:(1)0.2mg/L2.5mg/L,、,SVI,83.3364.29,。(2)SV30,,,。3　(mg/L)SV30(%)SVISV300.219.583.330.421.082.350.722.580.821.019.576.892.017.568.012.515.564.29(1),,,,30minSV30。(2),,。(3),。2.3.2　(1)0.78L/min1.07L/min,0.2mg/L2.5mg/L,,,。(2)0.78L/min1.07L/min、0.2mg/L2.5mg/L,、(6,,1、2);,。2.4　推荐工艺运行条件的影响(2kgBOD5/kgMLSS·d):0.55～1.01kgBOD5/kgMLSS·d、2.0mg/L、1.5h、1.7g/L;(≥2kgBOD5/kgMLSS·d):2.431～2.897kgBOD5/kgMLSS·d、1.0mg/L、1.1h。2.4.1　4、5:(1)SVI,SVI67.64～86.92,80.27;SVI66.09～74.77,68.06。(2)SVI90,。(下转第86页)·26·　27　2　200434.5h、4～8h,《(GB8978-1996)》,、、NH3—NⅤ,,,。[][1]　.A/O[J].,1999,30(2):38-41.[2]　.[J].,2002,22(4):459-464.[3]　.(2)[M].:,2002,348.[4]　.(2)[M].:,1993,55-60.[5]　.[J].,1999,20(6):49-52.(2003-04-28;2003-06-25)(上接第26页)(3)SV30:,;,,。(4),。4　SV30SVISV30(%)SVISV301998-02-2015.080.251998-02-2115.078.531998-02-2214.580.781998-02-2315.083.011998-02-2416.581.281998-02-2514.575.751998-02-2621.086.921998-02-2716.583.761998-03-0317.585.081998-03-0712.067.641998-03-0915.579.6980.27(1),,30min,。(2),,。(3),。5　SV30SVISV30(%)SVISV301998-07-1816.571.271998-07-1914.568.171998-07-2015.570.231998-07-2111.060.981998-07-2214.064.611998-07-2319.074.771998-07-2414.068.361998-07-2514.566.0914.968.06(1),,,。(2),,。(3),。2.4.2　(1),,;,,。(2)、,,(12℃),;,(27℃),[4]。,、。3　(1)≥2kgBOD/kgMLSS·d,HRT18min90min,SVI,SV30,、;5.00kgCOD/kgMLSS·d,,、;0.2mg/L2.5mg/L,SVI,SV30,,,,。(2),,;,,、,。[][1]　.[J].,1997,2.[2]　,.()[M].:,2000,9.[3]　.()[M].:,[4]　,.()[M].:,1988.(:2003-01-10;:2003-06-23)·86·　27　2　20043EnvironmentalScienceandTechnologyVol.27,No.2,March2004　　　　　　　　　　　　　　　　　　　　　　　　　　　　AbstractStudyonEnrichmentofEffectiveCompoundBacteriaTIANNa,ZHULiang(NanjingUrbanPlanningandDesignInstitute,Nanjing210098)Abstract:Effectivecompoundbacteriawereenrichedbyusingcon-fectedsewageandgrocerywastewaterasculturemedium.There-sultsindicatedthat1)thegrowthcurvesofeffectivecompoundbacteriahavemultiplepeakvaluesbecauseofdifferenceofdominat-edbacteriumanditsgenerationperiod;2)thegrowthcurvesofparallelculturesolutionaredissimilarbecauseofmicroscopicacti-vatedconditionsofvariousaerobicbacteria;3)theeffectivecom-poundbacteriacanscarcelyre-existevenenrichedatthesamecon-ditions.Keywords:culturemedium;enrichment;predominantbacteriumExperimentalStudyonTreatmentandReuseSystemforDiningHallSewageJIGui-xia,ZHANGDao-fang,WANGChen,WANGYu-ping(CollegeofUrbanConstructionandEnvironmentEngineering,ShanghaiUniversityofScienceandTechnology,Shanghai200093)Abstract:Thesewagepre-treatmentforoilremovalandprecipita-tion,SBRbiochemicaltreatmentanddeeptreatmentofcoagulantprecipitationandfilteringareselectedtotreatdininghallsewage.Resultsshowthataround90%BOD5,CODandSScanbere-moved,andtheeffluentqualitycanmeetNationalWaterReuseCriteria.Keywords:dinninghallsewage;waterreuse;treatmentprocess;experimentalstudyStudyonUraniumBiosorptionbyBanyanLeavesWANGCui-ping,XUWei-chang,PANGHong-shun(SchoolofArchitecturalEngineeringandEnvironment,NanhuaUniversity,Henyang421001)Abstract:TheeffectsofpH,timeandbiosorptionconcentrationwereexaminedtostudythepropertiesofuraniumbiosorptionbyBanyanleaves.TheisothermsweredrawnandLangmuirandFre-undlichequationsdeduced.ResultsshowthathighestabsorptionisachievedwhenpHvalueis3andtimeis20minute.Quantityofabsorptionisincreasedbyincreasedconcentrationofheavymetalions.Keywords:Banyanleaves;biosorption;uraniumAnaerobicTreatmentofDistilleryEffluentwithUASBProcessJIQiao-ling1,ZHOUPei-jiang1,WUXin-guo1,SHAOXi-hao2(1.Departmentof