EGSB厌氧系统处理瓜尔豆胶生产废水的研究郑宇鹏

:2007-03-29　　:2007-05-29:(1987-),,,。:,E-mail:[e-mail]郑宇鹏2,王　惠2,吕　娴2,钱丽莉2,邹　华1,2,阮文权1,2(1.,　214036;2.,　214036)　:EGSB———。:EGSB,COD18kgCODm-3d-1(COD30000mgL-1),80%;pH7.5;,COD18kgm-3d-1,22L0.5d-1,COD0.54m3;82%。:;EGSB;;:S216.4　　:A　　:1000-1166(2007)05-0016-03TreatingGuar-GumWastewaterwithanEGSBAnaerobicSystem/ZHENGYu-peng2,WANGHui2,LUXian2,QIANLi-li2,ZOUHua1,2*,RUANWen-quan1,2/(1.KeyLab.ofIndustrialBiotechnology,MinistryofEduca-tion,SouthernYangtzeUniversity;2.SchoolofBiotechnology,SouthernYangtzeUniversity,Wuxi214036,Chi-na;)Abstract:AnEGSBanaerobicsystemwasusedtotreatguar-gumwastewater.ResultsshowedthatCODremovalefficiencycouldreach80%withCODloadingrate18kgm-3d-1(influentCODwas30000mgL-1)andeffluentpH7.5.Thebiogasproductionwasincreasedwiththeincreaseoforganicloading,andthesystemobtainedagasyieldof22L0.5d-1whenCODloadingreached18kgm-3d-1,andsoabout0.62m3biogaswasproducedwhen1kgCODwasremoved.Themethanecontentofthebiogascouldreach82%.Keywords:Guar-gum;EGSBreactor;biogas;anaerobic　　,(Cyamopsistetragonolobus),,。,,,。———,20～30[1],,。,,。(ExpandedGranularSludgeBed,EGSB)[2],,,,,SS[3]。EGSB。1　1.1　实验用水,COD,SS。,,。COD60000～90000mgL-1,133.4mgL-1,26.42mgL-1,SS29.49gL-1,pH13.46。1.2　接种污泥。,16ChinaBiogas2007,25(5),TSS65.7gL-1,VSS50.4gL-1,1/2。1.3　实验装置EGSB,1。5.0L,78.0cm,7.1cm,11。pHpH。(),,EGSB。,。36℃±1℃。。1　EGSB1.4　实验方法,。EGSB,,。1　mgL-1mgL-13750H3BO30.1NH4Cl400ZnCl20.1KH2PO490CuCl20.06CaCl22H2O60MnSO4H2O0.1MgSO47H2O50(NH4)6Mo7O244H2O0.1FeSO47H2O40AlCl30.1NaHCO35000CoCl26H2O0.1NiCl20.1[4]1　　,,COD5000mgL-1,COD3kgm-3d-1,5.8mh-1。COD。2COD、pH、、。pH6.9～7.21.5　分析方法(1)COD:[5];(2):[6];(3):[6];(4)pH:MetterToledoDetla320pH;MetterToledo405-60-T-PA-S8/120pH;(5):。2　2.1　EGSB系统的处理效果COD5000mgL-1,COD3kgm-3d-1(2,3,4)。,COD400mgL-1,92%。COD5kgm-3d-1,8kgm-3d-1,10kgm-3d-1,16kgm-3d-1,18kgm-3d-1。EGSBCOD8kgm-3d-1,90%;10kgm-3d-185%。COD18kgm-3d-1(30000mgL-1),80%,EGSB。2　EGSBCOD17ChinaBiogas2007,25(5)3　EGSB4　EGSBpH　　。,、,[7]。pH,pH,,,。,pH。pH6.9～7.2,pH6.8～7.6(4)。pH7.0,pH6.8;pH7.2,pHpH7.0。,pH,7.5。。2.2　沼气的生成　　,。5,。,。,COD3kgm-3d-1,2.9L0.5d-1,COD0.38m3,COD5　18kgm-3d-1,22L0.5d-1,COD0.54m3。15%,82%。。3　　　(1)EGSB,COD18kgm-3d-1(30000mgL-1),80%。pH7.5。(2),COD18kgm-3d-1,22L0.5d-1,COD0.54m3。82%。:[1]　WangQ,EllisPR,Ross-MurphySB.Dissolutionki-neticsofguargumpowders—IIEffectsofconcentrationandmolecularweight[J].CarbohydratePolymers,2003,53(1):75-83.[2]　,,,.[J].,1999,18():169-172.[3]　,,.EGSBUASB[J].,2005,23(3):3-6.[4]　YanYG,TayJH.CharacterizationofthegranulationprocessduringUASBstart-up[J].WatRes,1997,31(7):1573-1580.[5]　.[M].:.1998:522-525.[6]　.[M].:.1989.[7]　,,,.pH[J].,2006,26(1):57-61.18ChinaBiogas2007,25(5)