Page 99 - 《水资源与水工程学报》2025年第1期
P. 99

!36 "!1 #                         & ' ( ) & * + , -                               Vol.35No.1
               2025 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2025

            DOI:10.11705/j.issn.1672-643X.2025.01.11


            ®¯U™°±²@³±–´R´¨Áµ@¶0ÌÍ



                                       s M, Btu, $vw, Rxy, z{{
                                      ( ;<=a0 ZbcYÌCD0G, ,- <NK 843300)
                 > ?: œÕ¬ØˆpeZ‡ˆÓÆZûÍ6žéØ~{Â@, ‘f´bSÍ{Þß$Ñ, ‹bƒ¬ØeZ4¤¥
                 Í{œ¸, ‹üˆ‡È¯!…Ø~‚bSÍf´{$£{Â@。Ǖ@ÊρÀ(SBR), º.œÕ$ѤN, Æ
                                                                                                 +
                 ZÓûÍ6/ªeZ( Ø~ 1%, Œ;L/ NaCl –—), µ¶ SBRÇLD4îögØ3( ÊPÍ(NH —N)、 ­
                                                                                                4
                 Í(TN)) ‚¤NÂÑ、 ʅ¤¥ÍÑÈcbSÍÛÜú¼{MN。®«S¤: gØ3›ÛÆF/{þR, óa¤N
                                                                                      +
                 E‚, ÒÏóa¯hAŸ(PN) ¬, zaî 25.88mg/L;SBR‚¼0ü/(COD)、NH —N、TNž­Î(TP) œ
                                                                                     4
                 ¸ÑµT 83.51%、81.96%、70.28%ž 81.50%; ¦ñ3ÛÜJª4, %.3>(Zoogloea)、 IO3>(Flavobacte
                 rium ) ž norank_f_norank_o_Saccharimonadales >»[3>, ÌÍSÍ/{5Ҕ•óà¯t†:͸Î{È';
                                                                                                +
                 NÃÒr»¼{z‰òóuÆZ COD|~ 399.99mg/L、 gØ3¿ö 4.2g, uC÷B COD、NH —Nž TP
                                                                                               4
                 œ¸Ñ{Ãqì3îµT 82.31%、90.75%ž 81.23%, cðñîºn, NÃÒrðñiºÑÈ[Ý。AB®«
                 ›gØ$ѤNé{ÿ„¬ØeZ–—q1´î。
                 1@A: gØ3; ÓûÍ6; ¬ØeZ; $ѤN; bSÍÛÜ; NÃÒrðñiº
                 BC<DE:X703   FGHIJ:A    FKLE:1672643X(2025)01009510
                      Halotolerantbacteriainactivatedsludgeenhancestreatmentof
                              salinewastewaterwithlowcarbontonitrogenratio


                         XIAOFei,LIYanyu,ZHANGWanying,ZHAOFengde,JIAZhuangzhuang
                           (CollegeofHydraulicandArchitecturalEngineering,TarimUniversity,Alar843300,China)
                 Abstract:Municipalsalineorganicwastewaterinhibitsmicrobialmetabolicactivitiesduetoitslowcar
                 bontonitrogen(C/N) ratioand high salinity; thushinderstheremovalofpollutantsfrom the
                 wastewater.Therefore ,thereisagreatneedforthetechnologiesthatcanalleviatetheinhibitoryeffectsof
                 salinityonbiologicalprocesses.Inthisstudy,asequencingbatchreactor(SBR)wasutilized,whichwas
                 inoculatedwithmunicipalactivatedsludgeandfedwithsyntheticwastewateroflowC/Nratioand1% sa
                 linity ,providedonlybysolidNaCl.Theanalysisfocusedontheeffectsofhalotolerantbacteria(for
                    +
                 NH —NandTNreduction)onsludgecharacteristics,pollutantdegradationperformance,andmicrobial
                   4
                 communitychangesduringSBRoperation.Itwasfoundthatthepresenceofhalotolerantbacteriapromo
                 tedflocaggregation,increasedsludgeparticlesize,andenhancedprotein(PN)content,whichreached
                                                                                        +
                 amaximumof25.88mg/L.Removalratesof83.51% forCOD,81.96% forNH —N,70.28% for
                                                                                       4
                 TN ,and81.50% forTPwereachievedbySBR.Inthecompositionofbacterialcommunities,thedomi
                 nantgenerawere Zoogloea,Flavobacterium,andnorank_f_norank_o_Saccharimonadales,whosesyn
                 ergisticeffectswereobservedtoenhancethesystem ’sabilityfornitrogenandphosphorusremoval.Opti
                 malconditions ,asdeterminedbyresponsesurfacemethodology,includedaninfluentCODof399.99
                 mg/Landahalotolerantbacteriadosageof4.2g.Undertheseconditions ,theexperimentalmeanremov
                                   +
                 alratesforCOD,NH —N,andTPwere82.31%,90.75%,and81.23%,respectively,whichwere
                                   4
                 closetothepredictedvalues.Theseresultsindicatedthattheresponsesurfacepredictionmodelper
                !"#$:20240617; %&#$:20240905
                '()*: ;<=a01ô%»(3(TDZKSS202329、TDZKSS202148、TDZKSS202239)
                +,-.: T *(1993—), K, »Ïf¯N, ÈP, bU, AB€Ô¤Zÿ„$£。
                qr+,: þcc(1995—), K, ljµdN, ÈP, bU, AB€Ô¤Zÿ„$£。
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