UASB两级AO工艺处理养猪废水的应用研究陈凤祥

2016443318·89·UASB/AO(510080)[](UASB)+A/OCODBOD592%97%99%(GB8978-1996)4[]UASBTN[]X5[]A[]1007-1865(2016)04-0089-02StudyontheApplicationofUASB/twolevelAOProcessforTreatingSwineWastewaterChenFengxiang(GuangzhouSinovastEnergy-EnvironmentGroupCo.,Ltd.,Guangzhou510080,China)Abstract:UASB/twolevelAOprocessisusedtotreattheswinewastewater.Theresultsshowedthattheremovalratesoftotalnitrogen,CODandBOD5wereabove92%,97%and99%respectively,andtheeffluentqualitywasstabletomeetthesecondgradestandardofGB8978-1996tablefour.Keywords:swinewastewaterUASBTN[1]3NP[2,3][4][5-6]11.11.1.1600m3/d1.1.2[7,8]1Tab.1ListofdesignedwaterqualityCODCr14000mg·L-1BOD56500mg·L-1SS2000mg·L-1NH3-N1000mg·L-1TN1200mg·L-1pH6~81.1.3(GB8978-1996)470mg/L22.1USRUASB+A/O()COD[9-11]AOBOD[12]12Tab.2ListofeffluentwaterqualityCODCr150150mg·L-1BOD53030mg·L-1SS150150mg·L-1NH3-N2525mg·L-1TN70mg·L-18080pH6~96~91Fig.1Processflowdiagram[]2015-12-22[](1973-)20164·90··d0.4m/h20COD50%2.2.2AO5m4g/LT=150.075kgBOD5/kgMLSS·d0.03kgTN/kgMLSS·d2.2.30.65m3/m2·h2.33Tab.3ListofmaindetectionmethodsCODCrGB/T11914-19895mg·L-1BOD5GB/T17488-19872mg·L-1NH3-NGB/T7479-19870.02mg·L-1TN-GB11894-1989333.1UASBCOD6180~6750mg/LBOD2560~3440mg/LAOCODBOD22CODFig.2RemovaleffectofCOD3BODFig.3RemovaleffectofBOD23AOCOD97%BOD599%20mg/L3.2TNUASBTN780~1070mg/LAOTN44TN92%TN70mg/L4TNFig.4RemovaleffectofTN4(1)(GB8978-1996)470mg/L(2)AO[1][J]2008(11)[2][J]2009(01)[3][J]2000(01)[4][D]2007[5][J]2004(S1)[6]IC[D]2004[7][J]2008(04)[8][J]2009(05)[9]UASB/SBR/[J]2008(04)[10]UASB/SBR/[J]2007(23)66-68[11]UASB[D]2008[12]A/OC/N[J]2015(66)4661-4668