HRT对糖蜜废水发酵产氢的影响何秋阳

HRT*610065UASBHRT。37±1℃COD4000mg/LpH4.6～5HRT8～6h41L/d21L/d52%HRT8hCOD、COD0.360.18m3/kg·d31%HRT8h、0.3cmHRT6h。8hHRT。HRTUASBEFFECTOFHYDRAULICRETENTIONTIMEHRTONHYDROGENPRODUCTIONFROMMOLASSESWASTEWATERHeQiuyangLiuMinChenYingCollegeofArchitectureandEnvironmentSichuanUniversityChengdu610065ChinaAbstractEffectofhydraulicretentiontimeHRTonfermentationhydrogenproductionfromartificialmolasseswastwaterintheself-designupflowanaerobicsludgeblanketUASBreactorwasinvestegated.InnoculatedwithflocculentsludgethereactorranattheinfluentCODof4000mg/Lthetemperatureof37±1℃andthepHof4.6～5usingblacksugarassubstrate.Themaximumbiogasproductionyieldof41L/dandhydrogenproductionyieldof21L/dwereobtainedattheHRTof8～6h.Thehydrogencontentofthebiogasfluctuatednear52%attheHRTof8～6h.Themaximumbiogasproductionrateof0.36m3/kg·dthemaximumhydrogenproductionrateof0.18m3/kg·dandthemaximumCODremovalrateof31%wereobtainedat8h.Itshowedthatalotofdenseanaerobicgranularsludgewithradiusaround0.3cmformedat8h.WhenHRTdecreasedto6halotofwhiteflocsappearedinthereactorandgranulesbecomeloose.Itwasdemostratedthatbothoptimumhydrogenproductionperformanceandgranularsludgewereachievedat8h.KeywordsHRThydrogenproductionbyfermentationUASBgranularsludge*50608052。0、、、N、P、K、Ca、Mg。。。、、、1。。2UASB、－。。。3-5。UASB6-8。Yu9HRT3hGavala10HRT2hChang112320114292DOI:10.13205/j.hjgc.2011.02.017HRT8h。。UASB。HRT。11.11。10.2L8L2.2L。500g。37±1℃。1—2—3—4—5—6—7—8—11.2LMF-1。10%20mL。1%。COD5B-3DCOD。pHWTWpH/oxi340i。-20882m×5mm2%H3PO4GDX-10360～8030mL/min30mL/min300mL/min190℃220℃220℃。、、。JSM-5900LV。1.3、17gVSS/L。ρCOD4000mg/L。NH4HCO374mg/LK2HPO417mg/LMgCl240.66mg/LFeSO44.92mg/LCoCl22.1mg/LMnSO47.38mg/LNH46Mo7O20.07mg/LNiCl25mg/LCuSO44.88mg/LKI13mg/LCH3COO2Zn0.84mg/L。1.4ρCOD4000mg/LHRT24h6d15.7L/d6.7L/d43%pH4.917HRTHRTHRT1210876h7813102d。pHpH4.6～5。22.1HRTHRT2。HRT。HRT12h8h27.7L/d11.9L/d41.7L/d20.7L/d。HRT41L/d21L/d。2HRT。3320114292HRT12h8hCOD。HRT8hCOD0.36m3/kg·d0.18m3/kg·d。HRT6hCOD0.25m3/kg·d0.13m3/kg·d。2.23。HRT。2717h12.9L/d6.3L/d2942.2L/d22.1L/d。32。。3COD13kg/m3·d40kg/m3·d5.3L/d1.7L/d45.6L/d21.5L/d。40kg/m3·dHRT8h。HRT8h。2.3HRTCODHRTCOD4。4HRT8hCOD31%。3COD37%45.6L/d。20%。HRT8h。4HRTCOD2.4HRT5。HRT12h42%45%。HRT10h47%43%47%。HRT8～6h52%。pH4.6～4.9。HRT8h。5HRT2.5HRTHRT6。6HRT12～8h、HRT2230mg/L1103mg/L。1593mg/L684mg/L71%62%。508mg/L348mg/L23%432011429231%。10h170mg/L12%。HRT8～6h1100mg/LHRTHRT。HRT6h、57453335mg/L50%、46%3%。HRT。6HRT2.64。14HRT10h30%0.1～0.2cm0.2cm20%。。20HRT10h0.2cm60%。23HRT8h40%0.3cm。HRT8h80%0.3cm。HRT6h。7HRT7h。7a。。7b。。a—b—731HRT8hCOD、COD0.360.18m3/kg·d31%HRT8h、0.3cmHRT6h。37±1℃ρCOD4000mg/LpH4.6～58h。2HRT。HRT8h1100mg/L。HRTHRT6h50%。3HRT。HRT12h8hHRT27.7L/d11.9L/d41.7L/d20.7L/d。HRT8～6h41L/d21L/d52%。HRT8h。5053201142922ρCOD/mg·L－1ρBOD5/mg·L－1ρNH3-N/mg·L－1ρSS/mg·L－1pH/ms·cm－1≤1000050006008506.5～8.00.3～15.0UASB470028006006006.5～8.0MBR3805028206.0～9.0551610106.0～9.0≤60≤20≤10≤506.0～9.01.64/m325.8/m3。3。3////·m－36506.594.225.8365d100m3。51、/、。COD、BOD598%。2、。。3、、。。1.M.2006.2.J[e-mail]2010－08－17櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅351.J.200123357-60.2.J.2008418-23.3.J.1994146411-415.4.J.2002232252-255.5.、J.200425565-69.6SchmidtJensEAhringBirgitteK.GranularsludgeformationinupflowanaerobicsludgeblanketUASBreactorsJ.BiotechnolBioeng1996493229-246.7LeeKuoshingWuJisangLoYungsheng.Anaerobichydrogenproductionwithanefficientcarrier-inducedgranularsludgebedbioreactorJ.BiotechnolBioeng2004875649-657.8KotsopoulosThomasAZengRaymondJAngelidakiIrini.Biohydrogenproductioningranularup-flowanaerobicsludgeblanketUASBreactorswithmixedculturesunderhyper-thermophilictemperature70℃J.BiotechnolBioeng2006942296-302.9YuHanqingMuYang.BiologicalhydrogenproductioninaUASBreactorwithgranulesIIreactorperformancein3-yearoperationJ.BiotechnolBioeng2006945988-995.10GavalaHarikliaNSkiadasIoannisVAhringBirgitteK.BiologicalhydrogenproductioninsuspendedandattachedgrowthanaerobicreactorsystemsJ.InternationalJournalofHydrogenEnergy20063191164-1175.11ChangFengyungLinChiuyue.Biohydrogenproductionusinganup-lowanaerobicsludgeblanketreactorJ.Intern[e-mail]2010－09－090520114292