UASB处理链霉素废水颗粒污泥培养技术探索陆正禹

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UASB陆正禹 王勇军        任立人        ( 100084) () :本文以链霉素生产废水为例探索在处理抗生素废水的UASB反应器中培养颗粒污泥的工艺技术以及硫酸盐对污泥颗粒化的影响,同时考察了中温UASB工艺处理链霉素废水的可行性。结果表明:采用适当的工艺控制条件,可以成功地培养出性能良好的颗粒污泥,保证了UASB反应器的高效稳定运行。:UASB工艺,颗粒污泥,链霉素废水,抗生素废水1 ,,、、、,、。6BOD5[5]。。1 (mg/L)CODBOD5N~22800~14900~3898~34694000~70007000~130003000~5300~1400200~10001100~18008000~130001400~3900~2600800~15002000~400010000~130001400~3500~2800~950~200015000~240005000~7000~2300800~21001000~1500  ,BOD5/N1~4,。,UASB。,。2 UASB  UASB10,6,,VSS/SS0.48,8gVSS/L。UASB,、(2)。,,、、、,,。11 ChinaBiogas1997,15(3)2 ()1~4243~222223~276(h)20.5~27.06.6~20.53.26~4.98(m/h)0.07~0.100.10~0.300.40~0.61(gVSS/L)8.0~9.369.36~32.828.8~32.8,,0.1~0.3mm,,0.1~1.5mm,,0.5~1.5mm,,(mg/L)1080.8~2803.11832.9~3969.42273.5~3927.2(mg/L)225.6~676.5421.1~1762.9347.7~850.4COD(%)60.9~84.920.5~85.975.9~85.0(kg/m3·d)0.98~3.363.28~10.8410.97~29.01(kg/kgVSS·d)0.12~0.360.32~0.830.38~1.01(mg/L)224.2~555.2275.7~802.4477.3~884.7(mg/L)13.7~73.528.5~242.7172.8~313.9SO2-4(%)74.3~95.861.4~94.951.0~69.8(kg/m3·d)0.20~0.600.53~2.422.30~5.33(kg/kgVSS·d)0.03~0.070.05~0.160.07~0.19S2-(mg/L)125.4253.9171.2pH7.2~7.56.5~7.56.8~7.5  SO2-4HRT3.263 [2],、、。A,,,(1),、,、、(2),(3)、,,,、。1 12 ChinaBiogas1997,15(3)2 3 ,。,,、,。,Sam-Soon[3](ECP),,,(SRBs),,;。,G.Lettinga[5],(),,。[6],,,。,。,,,,;,,。、,、“”。,,,0.5~1.5mm,2.0mm,,,,。,20℃10~20m/h,,,1.071kg/L,、,,[6]。,VSS/SS0.923,,13 ChinaBiogas1997,15(3)、(0.6m/h)(900mg/L),(800mg/L),,,。4 :4.1 接种污泥的选择UASB,(SRB)(MPB),,,8~10gVSS/L。4.2 惰性物的影响Ca2+、Mg2+CO2-3、SO2-4。S2-,、。、,,,。4.3 低浓度进水结合较高水力负荷的运行方式,,,Lettinga[7],,。、、、,,S2-。,,COD3000mg/L,SO2-4500mg/L,。,0.25m/h,0.3m/,,。,。4.4 碱度的控制,,:COD1∶3[2]。,,,12(1,2),、,[8](3,4)。4CH3CH2COO-+3SO2-4→   4CH3COO-+4HCO3+3HS-+H+(1)CH3COO-+SO2-4→2HCO3-+HS-(2)RCHNH2COOH+2H2O→   RCOOH+NH3+CO2+4H(3)NH3+H2O+CO2→NH+4+HCO-3(4),1000mgCaCO3/L。,,500~600mgCaCO3/L,,。5 (1)UASB,UASB。(2)14 ChinaBiogas1997,15(3),1000mgCaCO3/L。(3),,0.25m3/m2·h,;0.30m3/m2·h,。(4)(500mg/L)。(5)、,,。6 :1 ..,,1980;6~322 .UASB.,19933 Sam-Soon,P.A.L.N.,etal..:,.1988;40~444 ..,1993;11(3):5~105 G.Lettinga.UASB.BioresourceTechnology,1993,43.,1993,2;42~496 .-.,19947 G.Lettinga.Proc.oftheseminer/workshiponAnaero-bicTreatmentofsewage,1985;369~3808 Anderson,G.KandG.Young.pHcontrolinanaerobictreatmentofindustrialwastewater.J.Environ.Eng.1992;118(4):551~5671996—08—26ExploretiononCultivatingGranularSludgeinUASBReactorTreatingStreptomycinWastewaterLuZhenyu,WangYongjun(DepartmentofEnvionmentalEngineering,QsinghuaUniversity)RenLiren(NorthChinaEnvironmentalProtectionInstituteofStatePharmaceuticalAdministration)Abstract:Inthisstudy,thecultivationprocessofgranularsludgeinUASBreactorwithstreptomycinproductionwastewaterwasexperimented,andtheeffectofsulfatereductionontheformationofgranuleswerealsoprelimenarilyinvesti-gated.Inthemeantime,theavailabilityoftreatingstreptomycinwastewaterbyUASBreactorwasinspected.TheresultsobtainedshowthatgranularsludgewithgoodperformancecanbecultivatedsuccessfullywhenproperprocessconditioniscontrolledandthestableoperationwithhighefficiencyoftheUASBreactorcanbeguaranteed.Keywords:UASBreactor, streptomycinwastewater, granularsludge, pharmaceuticalwastewater15 ChinaBiogas1997,15(3)

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