EGSBBF生物膜混凝处理天然橡胶胶乳废水段秀梅

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112Vol.11No.220172ChineseJournalofEnvironmentalEngineeringFeb.20172015-09-142016-02-231982—。E-mailduanxiumei1@sinochem.com*EGSB-BF-*110021EGSB-BF-。EGSBHRT36hpH6.8~7.535±1℃BFHRT48hDO2~4mg·L-1150%80~100mg·L-1COD、NH+4-N、TP、SS90%~99.4%、91%~100%、93%~98.5%、92%96%。、、。X505A1673-9108201702-0879-06DOI10.12030/j.cjee.201509075NaturallatexwastewatertreatmentwithEGSB-shakingbedbiofilm-coagula-tionprocessDUANXiumei*ANPengMAWenjingZHANGJunZHANGKaiyangSUNLanmeiTechnicalDevelopmentDepartmentShenyangResreachInstituteofChemicalIndustryShenyang110021ChinaAbstractToreusenaturalrubberlatexproductionprocessingwastewateranEGSB-BFbiofilm-coagulationprocesswasusedasanadvancedtreatmentstepandtheoperationstabilityandtreatmentabilityoftheprocesswereanalyzed.TheHRToftheEGSBwas36hthepHwas6.8~7.5andthetemperaturewas35±1℃.FurthermoretheHRToftheBFbiofilmwas48htheDOconcentrationwas2~4mg·L-1andthenitrifyingliquidrefluxratiowas150%.Coagulationsedimentationwasusedfortheadvancedprocessingofthebiochemicaltailwaterwith80~100mg·L-1ironsulfateusedasthecoagulant.FinallytheremovalratesofCODNH+4-NTPchromaticityandSSwere90%~99.4%91%~100%93%~98.5%92%and96%respective-lyandtheeffluentsatisfiedtheemissionandrecyclingrequirementsfornaturalrubberlatexproductionprocess-ing.Theprocesshasnumerousadvantagessuchasashortstarttimeimpactresistancestableoperationofthedeepprocessingofnaturalrubberlatexprocessingwastewaterandtheproductionwatersatisfiedthewaterqualitystandardforrubberproductionreuse.KeywordsnaturalrubberproductionwaterreuseexpandedgranularsludgeblanketreactorEGSBshakingbedbiofilmcoagulation、、、1。、、COD。、、2。COD11expandedgranularsludgeblanketreactorEGSB3-4。、、5。。EGSB-BF-COD、、。11.1EGSB10%。EGSB、、、EGSB。。、、。。BiofringeBFNETD100mm×H150mm160。1。1EGSB-BF-Fig.1NaturalrubberwastewatertreatmentbytechnologicalprocessofEGSB-BFbiofilm-coagulation.1.2NY687-200361。1Table1InfluentqualityanddischargestandardpHCOD/mg·L-1BOD5/mg·L-1NH3-N/mg·L-1SS/mg·L-15~67500~80003700~4000325~350458~500NY687-20036~91003020701.3EGSB40%3hydraulicreten-tiontimeHRT36hpH6.8~7.235±1℃。BF2d。pH6.8~7.5DO2~4mg·L-1HRT48h10d。0882EGSB-BF-1.4161000mL800mL50r·min-110%、、、60~120mg·L-115min40minTP、pH。1.5DOLDOpH-SG2TSSCOD-、《》7。。22.1EGSBEGSBDO0.3mg·L-1。20g-MLSS·L-1EGSB、2。<1000mg·L-142d5.6kgCOD·m3·d-1、。。8EGSB-A/O4EGSB20kgCOD·m3·d-1。95EGSBCOD94.4%BOD5/COD0.460.56。EGSB。10EGSB-CASS-8~10kgCOD·m3·d-11UASB-A/O5.8kgCOD·m3·d-1COD62%。EGSBUASB。EGSBUASB。EGSB。2EGSB/Fig.2Organicmatter/organicloadremovalratesofEGSBreactor2.2BF30℃1881130℃35±1℃HRT48hDO2~4mg·L-1150%5000mgMLSS·L-1EGSBBFBFCOD3。3CODFig.3CODremovalofswim-bedbiofilm320dCOD500~1000mg·L-1630mg·L-1COD47mg·L-1COD91.1%0.31kgCOD·m3·d-121~35COD1000~1500mg·L-11121mg·L-1COD27~220mg·L-1146mg·L-1COD88%0.59kgCOD·m3·d-136~41COD1500~2000mg·L-11600mg·L-1COD76~255mg·L-1228mg·L-1COD85%0.89kgCOD·m3·d-10.95kgCOD·m3·d-1。COD。NY687-2003-4。43mg·L-1112mg·L-1010.1mg·L-143gN·m3·d-1。4Fig.4Ammonianitrogenremovalofswim-bedbiofilm11BFCOD96%80%。5BF-COD、TNNH+4-N93.6%、72.7%98.9%。2882EGSB-BF-。BF、。BFMLSS17425mg·L-1123~41.5kg·m3·d-1。0.186112~3。2.32.2mg·L-198%40pH7.0。、23。95%pH。2Table2ComparationofTPremovalaftercoagulation/mg·L-1TP/mg·L-1TP/%TP/mg·L-1TP/%TP/mg·L-1TP/%TP/mg·L-1TP/%601.150.61.055.41.435.60.865.3800.768.10.386.41.150.10.197.31000.481.80.195.50.769.90.0100.01200.290.90.0597.70.387.40.0100.0。2~380~100mg·L-1。3Table3Decolorizingabilityofdifferentcoagulants/mg·L-1/%/%/%/%603317.5283032203220802927.52050283028301002147.51270224520501201270490166010752Al3+、Fe3+、、、ξ、、、13。14、3pH7pH5。。15。pHpH。388113EGSB-BF-COD、NH+4-N、TP、SS90%~99.4%、91%~100%、93%~98.5%、92%96%。、。1.UASB-A/OJ.200929849-512.MEM-J.2013331252-553.EGSB-MBRJ.20153551416-14224.EGSBJ.201535545-475.-J.2009371218-12226.NY687-2003S.20047..4M.20028.EGSBJ.2011377130-1321369.EPSB-EGSB-PNHJ.2015314105-10710.EGSB-CASS-J.20125336-3811.J.201032267-6912.A/O-J.20126103481-348413.J.2015994360-436414.PTAJ.201427527-3115.D.2011488

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