AO一体化曝气生物滤池脱氮效能及其运行优化研究宿程远

A/O1,2，1，1，1，1，1，1（1./，541004;2.，100590）：A/O，，、，Box-BehnkenA/O，。：400mg/L，，45.1%76.3%；200mg/L，20%50%。3.5mg/L，55.9%89.4%；1.0mg/L，25.0%59.5%；，，，2.0mg/L。Box-Behnken，；R2=0.9769，P=0.001，，；：3.1mg/L，0.35cm3/s，55.6cm，，49.93%。：A/O；；；：X703.3：A：1004-874X（2011）11-0158-04StudyonnitrogenremovalandprocessoptimizationwithA/OintegratedbiologicalaeratedfilterSUCheng-yuan1,2,LVHong-hong1,LIFu-ying1,WANGJia1,LIYu-qiang1,CAOXiao-jie1,ZHUJiang-nan1(1.SchoolofEnvironmentandResources,GuangxiNormalUniversity/TheGuangxiKeyLabofEnvironmentalEngineeringProtectionandAssessment,Guilin541004,China;2.SchoolofMunicipleandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China)Abstract:ThispaperinvestigatedtheremovalnitrogenwithA/OintegratedbiologicalaeratedfilteratdifferentorganicconcentrationofinflowandDOinaerobicsegment.Thethree-factorandthree-levelBox-Behnkenwasutilizedformodelingandoptimizationconditions.Inthiscase,removalTNwasselectedasoneresponsevalue,whiletheDO,filterheightandfiltrationratewereconsideredaseffectfactors.Theresultsshowedthatwhentheorganicconcentrationofinflowwas400mg/L,thenitrogenremovalwaswell.TheremovalrateofTNandammoniawere45.1%and76.3%.However,whentheorganicconcentrationwas200mg/L,theywere20%and50%.WhentheDOinaerobicsegmentwas3.5mg/L,theremovalrateofTNandammoniawere55.9%and89.4%.ButtheDOwasdescendedin1.0mg/L,theremovalrateofTNandammoniawereonly25.0%and59.5%.TheDOwashigher,thenitrogenremovalwaswell.Buttheenergyconsumptionwasgreater.SothatitcouldcontroltheDOat2.0mg/L.Theinteractionoffilterheightandfiltrationratewassignificantfactor.Thedeterminatecoefficientofmodelwas0.9769andtheprobabilitypvaluewas0.001.Itcouldprovideawellexplanationoftherelationshipsbetweentheindependentvariableandtheresponse.TheoptimumconditionsweretheDOwas3.1mg/L,filterheightwas55.6cmandfiltrationratewas0.35cm3/s.Undersuchconditions,theremovalTNwas49.93%.Keywords:A/Ointegratedbiologicalaeratedfilter;nitrogenremoval;dissolvedoxygen;responsesurfacemethodology、，、，、、、，[1-3]。A/O，DesignExpert7.0，Box-BehnkenA/O，，。11.1A/O，2m，10cm，30cm，，，，，1∶2（1）。，16℃，CODCr230～290mg/L，35～40mg/L，23～30mg/L。，3～5mm，55%～78%，。1.2，CODCr，NH+4-N：2011-04-20：；：（1981-），，，，E-mail:[e-mail]201111158DOI:10.16768/j.issn.1004-874x.2011.11.0119080706050403020100（%）123456789103CODcr=200mg/LCODcr=300mg/LCODcr=400mg/L6050403020100（%）123456789104DO=1mg/LDO=2mg/LDO=3.5mg/L5045403530252015105012345678910（%）2CODcr=200mg/LCODcr=300mg/LCODcr=400mg/L，TN。22.12.1.12mg/L，200、300、400mg/L，A/O2。2，200、300mg/L，20%30%，15.3%。400mg/L，，45.1%，，A/O。，C/N，。，，，。C/N，。，，A/O，[4]。2.1.22mg/L，200、300、400mg/L，A/O3。3，。200、300mg/L，44%56%；400mg/L，76.3%，C/N，。2.22.2.1300mg/L，1.0、2.0、3.5mg/L，A/O4。4，1.0mg/L，25.0%；2.0mg/L，32.6%；3.5mg/L，55.9%。，。，，，2mg/L。2.2.2300mg/L，1.0、2.0、3.5mg/L，A/O5。5，1.0mg/L，；2.0、3.5mg/L，。3.5mg/L，11592Box-Behnken123456789101112131415X1101-1010-1100-10-10X20-11000-10-101-1110X31-1010-11-100-10100Y（%）39.621.135.134.248.130.624.318.430.847.730.521.140.836.448.91Box-Behnken（mg/L）（cm）（cm3/s）x1x2x3X1X2X3-12300.1503500.3014700.451009080706050403020100（%）123456789105DO=1mg/LDO=2mg/LDO=3.5mg/L80%。，，，，，A/O。，，，[1,4]，2mg/L。2.3A/O2.3.1，、，Box-BehnkenA/O，1。2.3.22。DesignExpert7.0，2，：Y=48.233+3.25X1+5.687X2+4.788X3-7.929X1X1-2.75X1X2-1.7X1X3-9.454X2X2+1.775X2X3-9.6041X3X32.3.36～8。6～8，，。，[5-6]，。Y，：3.1mg/L，0.35cm3/s，55.6cm，，49.93%。5042.2534.526.75191.000.500.00-0.50-1.00-0.500.000.501.00（cm）（mg/L）-1.001.000.500.00-0.50-1.00-1.00-0.500.000.501.0044.255539.236924.181129.199734.218334.2183（mg/L）（cm）6R13（1）400mg/L，，45.1%76.3%；200mg/L，20%50%，C/N，，。（2）1.0mg/L，160R150423426181.000.500.00-0.50-1.00-0.500.000.501.00（cm3/s）（mg/L）-1.001.000.500.00-0.50-1.00（cm3/s）-1.00-0.500.000.501.00（mg/L）39.70644.391939.70635.020130.334325.6484725.0%；3.5mg/L，55.9%，80%。，，，2mg/L。（3）Box-Behnken，，。R2=0.9769，p=0.001，，；：3.1mg/L，0.35cm3/s，55.6cm，，49.93%。：[1].UBAF[D].:,2008.[2],,.A/O[J].,2006,22(23):84-87.[3],,.[J].,2005,27(3):72-75.[4],,.A2/O[J].,2007,33(15):8-10.[5],,.[J].,2011,32(2):98-103.[6],,.Box-Behnken[J].,2010,32(3):389-392.5042.2534.526.75191.00R10.500.00-0.50-1.00-0.500.000.50（cm3/s）（cm）1.00-1.001.000.500.00-0.50-1.00（cm3/s）-1.00-0.500.000.501.00（cm）30.25844.932640.04135.149530.25825.366530.2588161