EGSBVC王路光1,2,3, 王 强1,2,3, 王靖飞1,2,3, 田在锋1,2,3(1.河北省水环境科学实验室,河北石家庄050051;2.国家环境保护制药废水污染控制工程技术中心,河北石家庄050051;3.河北省环境科学研究院,河北石家庄050051) : 采用中温EGSB工艺处理VC生产废水,考察了碱度、抑制物浓度、有机负荷、上升流速等因素对反应器处理效果的影响。结果表明:当进水碱度800mgCaCO3/L、上升流速为2.5m/h时,COD容积负荷最终稳定在16.3kg/(m3·d),对COD的去除率75%,水质得到极大改善;试验结束时,颗粒污泥的沉降速率为50.9m/h、比产甲烷活性为244.11mL/(gVSS·d)、污泥负荷为2.34gCOD/(gVSS·d)。 : EGSB工艺; VC生产废水; 影响因素; 颗粒污泥:X703 :C :1000-4602(2009)17-0081-04ApplicationofEGSBProcesstoTreatmentofVCWastewaterWANGLu-guang1,2,3, WANGQiang1,2,3, WANGJing-fei1,2,3, TIANZai-feng1,2,3(1.HebeiProvincialKeyLaboratoryofAquaticEnvironment,Shijiazhuang050051,China;2.StateEnvironmentalProtectionEngineeringCenterforPharmacyWastewaterPollutionControl,Shijiazhuang050051,China;3.HebeiProvincialAcademyofEnvironmentalSciences,Shijiazhuang050051,China) Abstract: Theexpandedgranularsludgebed(EGSB)processwasusedtotreatvitaminC(VC)wastewateratmediumtemperature.Theinfluencesofalkalinity,inhibitorconcentration,organicloadingrate,up-flowvelocityandsomeotherfactorsonthetreatmenteffectwereinvestigated.Theresultsshowthatwhentheinfluentalkalinityisabove800mgCaCO3/L,andtheup-flowvelocityisabout2.5m/h,thevolumetricloadingrateofCODisupto16.3kgCOD/(m3·d),andthetotalCODremovalratecanreachabove75%.Thewaterqualityisimprovedgreatly.Attheendofexperiment,thesettlingvelocityofgranularsludgeis50.9m/h,thespecificmethanogenicactivityis244.11mL/(gVSS·d),andthesludgeloadingrateis2.34gCOD/(gVSS·d). Keywords: EGSBprocess; vitaminCwastewater; influencingfactor; granularsludge VC、、、、pH、,,VC[1、2]。EGSB,,。,,,EGSBVC。VC,EGSBVC,。1 试验材料与方法1.1 1。·81·第25卷 第17期2009年9月 中国给水排水CHINAWATERWASTEWATER Vol.25No.17Sep.20091 EGSBFig.1 SchematicdiagramofEGSBandflowchartofexperimentalprocess EGSB,13.3L,20∶1,,。35℃,35~38℃。1.2 VC、、、、,:COD4400~12000mg/L,TSS390~1270mg/L,SO2-4200~1000mg/L,Cl-300~1500mg/L,pH4.0~7.0,400~1200mgCaCO3/L,400。VC,C、N、P,,,。UASB,VSS/SS=0.89。1.3 COD:HACH45600COD;pH:;:;SS、VSS:;VFA:DionexDX-600;、:[3、4];:※※※※※※。2 结果及讨论,,,。,,[5]。2.1 ,,60d,COD12kg/(m3·d),COD95%,2m/h,。2.2 61~81,1/41/2,,COD84.6%。1/2,,,,,。,95,COD86.7%;97,3/4,;100~103,,;108,,COD12kg/(m3·d),,,COD80.5%~91.4%,VFA400mg/L;123,,,,,,COD,;147,COD,COD12kg/(m3·d),,COD85%。2.3 ,2.5m/h,,COD85.9%~89.8%;3m/h,COD,,2.5m/h。167,COD,COD17.4kg/(m3·d),EGSBCOD,COD16.3kg/(m3·d),COD75%,·82·第25卷 第17期 中国给水排水 ~6290mg/L560~1260mg/L,TSS390~1270mg/L180~320mg/L,()(),200。3 影响因素3.1 pH,,pH。,,Na2CO3,2280~2690mgCaCO3/L;,,Na2CO3,pH6.8~7.3,1500mgCaCO3/L。,,。,EGSBVC,800mgCaCO3/L,。3.2 VCSO2-4、Cl-、、、、,,,。SO2-4100~1000mg/L(1470mg/L),COD/SO2-44.2;Cl-300~500mg/L;,S2-170mg/L,。,FeS,,。,,,,,,。,,,。3.3 COD,2.0m/h,0.5m/h,。,2.0m/h,COD882~998mg/L,COD82.8%~85.1%,228.1mL/gCOD;2.5m/h,COD592~783mg/L,COD85.9%~89.8%,232.4mL/gCOD。,、,,。,COD,,EGSB、。3m/h,COD(721~1257mg/L),COD80.2%~83.3%,,。、,,,COD,,。3.4 ,COD13.8kg/(m3·d),COD82.2%;COD14.7kg/(m3·d),COD,76.3%~76.6%;COD17.4kg/(m3·d),COD,68.3%。COD16.3kg/(m3·d),COD75%,2.34gCOD/(gVSS·d)。3.5 ,,,。,,、。,,,、,,。,,,·83·王路光,等:EGSB工艺在VC生产废水处理中的应用第25卷 第17期;,、,,,。,,SO2-4。,126.57mL/(gVSS·d)244.11mL/(gVSS·d),21.5~28.6m/h35.2~50.9m/h。4 结论① EGSBVC,VC。,COD16.3kg/(m3·d),COD75%,,COD4180~6290mg/L560~1260mg/L,TSS390~1270mg/L180~320mg/L,()(),200。② 2.5m/h,,。VC,800mgCaCO3/L,。③ ,,。,、、。:[1] ,,,.C[J].,2008,40(4):555-558.[2] ,,.UASBVC[J].,2007,25(1):9-13.[3] .[M].:,2005.[4] ,,.EGSB[J].,2002,20(4):3-7.[5] ,,.[J].,2006,22(3):89-92.:13932110202E-mail:punk182@163.com:2009-03-12(上接第80页),DO9mg/L,(20℃),DO。,7mg/L,,,,。3 结论、、,5m/h,(1.5m);,Fe2+、Mn2+、NH+4-N:Fe2+,、,Mn2+、;,,、,,,。:[1] ,,.、[J].,2001,17(8):1-5.[2] ,.[J].,2002,29(4):65-69.[3] ,,,.“”[J].:,2007,37(2):335-340.[4] ,.[J].,2000,16(11):31-34.:13936441431E-mail:zhp0128@163.com:2009-03-27·84·第25卷 第17期 中国给水排水