复合反应器中高浓度有机废水对硝化作用的影响光喜萍

305　　　Vol.30　No.5201010SHANXICHEMICALINDUSTRYOct.2010:2010-09-06:,,1977,2001,,。　光喜萍(山西省环境保护技术评估中心,山西　太原　030024):,。,COD400mg/L2000mg/L,NH3-N30mg/L～45mg/L20,COD,NH3-N82%-25.9%,。:;;;:X783　　:A　　:1004-7050(2010)05-0058-03　,、。,,、。,、,、,。,。,。。,,,,、,、[1,2]。1　1.1　实验装置-1—;2—;3—;4—;5—;6—;7—;8—;9—1　-(1)。,,。,,,,Ф150mm×1000mm。1.2　填料,Ф80mm。,:,,、,,,DOI:10.16525/j.cnki.cn14-1109/tq.2010.05.017,,。1.3　实验水质。、、、。,,。1。1　w(COD)/mg·L-1300～2000w(NH3-N)/mg·L-120～75pH6～91.4　污泥培养和挂膜,,60%,w(DO)3.0mg/L～5.0mg/L、24℃～26℃、pH7.0～9.0,COD500mg/L～600mg/L,NH3-N30mg/L～35mg/L,40。,,,。CODNH3-N,。2　2.1　高浓度有机物对硝化作用的影响,HRT=5h、25∶1、3kgCOD/(m3·d)～4.5kgCOD/(m3·d)、pH=7.2～8.6、w(DO)=3.0mg/L～5.5mg/L、R=150%、T=22℃～26℃,COD400mg/L2000mg/L,NH3-N30mg/L～45mg/L,30。CODNH3-N2。2　CODNH3-N2,COD,NH3-NCOD。COD1000mg/L,NH3-N60%。,COD400mg/L1000mg/L,NH3-NCOD;COD1000mg/L,NH3-N;COD1620mg/L,NH3-N-5.6%;COD2046mg/L,NH3-N-25.9%。,COD1000mg/L,NH3-NCOD,COD1620mg/L,NH3-N。,,NH3-N,NH3-N,。2.2　高浓度有机物对硝化作用影响的机理分析,、。、,,。,O2,O2NH+4NH2OH(),。,,。,。,。,,,。,20h～30h[1]。,1[2]。,,。,NH3-N,,2COD1000mg/L、NH3-N30mg/L～45mg/L,,,。,,COD·59·　201010　　　　　　　　　,NH3-N,COD,COD1000mg/L,NH3-N60%。,COD1000mg/L,,,,,,,COD。,,,,。,,,NH3-N。COD1620mg/L,NH3-N,,COD,NH3-N。,NH3-NNH3-N。,,,,,,。NH3-N,,,,,NH3-N。3　,,,NH3-N,NH3-N,NH3-N。,,,,,NH3-N;,NH3-N,NH3-N55%。:[1]　,,.[J].,2002,18(6):29-31.[2]　,.[M].:,1998.InfluenceofhighconcentrationorganicwastewateronnitrificationinthehybridbiologicalreactorGUANGXi-ping(ShanxiTechnologyAssessmentCenterofEnvironmentalProtection,TaiyuanShanxi030024,China)Abstract:Thesuspendedsphericalfillerwasselectedasmicrobecarrierforthehybridbiologicalreactortostudytheorganicmatterre-movalandnitrification.Thestudyoftheinfluencesofhighconcentrationorganicwastewateronnitrificationshowsthat:Whentheinflu-entCODconcentrationincreasedfrom400mg/Lto2000mg/Lin20days,theNH3-Nconcentrationisstableon31mg/L～45mg/L.ButtheremovalrateofNH3-Nisgraduallydecreasedfrom82%to-25.9%withtheincreasingofCODconcentration.Theoverallni-trificationcapacityisgraduallyweekened.Keywords:hybridbiologicalreactor;biofilmprocess;nitrification《》·60·　　　　　　　　　　　　　　　　　　　　201010