含聚采油污水降解菌的筛选及其特性的研究马敬环

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ResearchontheisolationandcharacteristicsofdegradingbacteriaforthedegradationofwastewatercontainingpolymerMaJinghuan,LiQiang,PeiXiaojun,YangLiping(MaritimeAcademy,TianjinUniversityofScienceandTechnology,Tianjin300457,China),,,(,300457)[]3,1,,。、、pHDO。35℃、100~150mL/L、pH6.5、DO4mg/L、42h,,67.13%36.54%。[];;[]X703.1[]B[]1005-829X(2009)12-0038-04Abstract:ThreebacteriumstrainshavebeenisolatedfromawastewatertreatmentplantofBohaiOilfield,Tianjin.Onebacteriumstrainwhichgrowsfastestanddegradescrudeoilandpolymermosteffectivelyhasbeenselectedanditsdegradationcharacteristicshavebeenstudied.Theinfluentialfactors,suchastemperature,theconcentrationofbacteria,pHanddissolvedoxygenareoptimized.Undertheoptimalconditions:thetemperatureis35℃,thecon-centrationofbacteria100-150mL/L,pH=6.5,anddissolvedoxygen4.0mg/L,degradationtimeis42h,thewastewateristreated.Afterthetreatment,thedegradationratesofoilandpolymersare67.13%and36.54%re-spectively.Keywords:biologicaldegradation;wastewaterfromoilproduction;wastewatertreatment()、〔1〕。,70%~80%,90%,,。,、〔2〕。,,,,,,。11.1、,。(K2HPO41.8g,KH2PO41.2g,NH4Cl4.0g,MgSO40.2g,NaCl0.1g,FeSO4·7H2O0.01g,1g,0.5g,1000mL,pH=7.4〔3〕),,,。1.21.2.1,1。1.2.2pH310,EUTUECH;Orion850A+,Thermoelectroncorpo-ration;VIS-723,2912200912IndustrialWaterTreatmentVol.29No.12Dec.,200938——2009-12,29(12)1/℃15~2520/(mg·L-1)330.83~380.03344.83/(mg·L-1)270~298284/(μS·cm-1)10.79~10.8810.84/%0.59~0.630.61/(mg·L-1)5910~61505980pH7.9~8.78.3/(mg·L-1)60~8070/NTU14.1~20.717.4;E103G,;YX280A,;HK-2A,;DHZ-032LR,;ZPG-280,。1.3,,pH、、、DO,。1.4;(PAM)〔4〕。22.1、2.1.13,1、,,B-1。2.1.2,B-1、、,,。2。2,。2.2B-1,,、,,。B-1。4:1;2CO(NH2)2();3H3PO4();4CO(NH2)2H3PO4,3。3,B-1C、N、P,。,N、P,P,。2.3,、pH、DO4,3。L9(34)〔5〕,4。2B-1,,,/μm(0.3~0.5),(1.5~1.8)H2SH2SpH5.7NO3-3B-1B-1/%/%24.3716.32CO(NH2)232.5118.35H3PO449.7830.57CO(NH2)2+H3PO451.4631.22A()/℃B(pH)C()/(mL·L-1)D(DO)/(mg·L-1)/%/%A1255.5502.0A2356.51003.0A3457.51504.01255.5502.033.3613.632256.51003.044.2525.653257.51504.050.3630.424355.51004.039.7118.975356.51502.058.0934.126357.5503.054.2432.417455.51503.023.658.768456.5504.032.4812.519457.51002.036.9216.89R119.662.4616.221.15R215.784.9212.791.644,:39——2009-12,29(12)4,ACBD,:>>pH>DO。,A2B2C3D1,:35℃,pH6.5,150mL/L,DO2.0mg/L。2.4,,。2.4.1B-125、35、45、55℃,B-1,,,B-1。35℃。,,。,,,,,。,、,,,、。,55℃、,。2.4.2B-135℃,50、100、150、200mL/L,。,100~150mL/L,B-1。<100mL/L,,。>150mL/L,。,。,,,。,,。B-1100~150mL/L。2.4.3pHB-135℃、150mL/L,pH5.5、6.5、7.5、8.5、9.5,。,pH6.5,pH5.5pH9.5。pH,,,。,B-1pH6.5。2.4.4B-135℃、150mL/L、pH6.5,DO2.0、3.0、4.0、5.0、6.0mg/L,。,DO4.0mg/L,B-1。DO,,。DO>4.0mg/L,,,,。2.4.5B-1,,,。150mL/L,35℃,pH6.5,DO4.0mg/L,,。,,20h,,。,20h,,。,,,。42h,36h,67.13%36.54%。,42h。3(1)3,1,。(2)N、P。(3),:pHDO。(4)、pH、DO、B-1。,:35℃,pH6.5,DO4.0mg/L,40———————————————————————————————————————————————StudyonfluorineremovingcapacitywithmodifiedzeoliteandthermodynamicsYanZonggao,XieYinghui(InstituteofChemicalTechnology,HebeiUniversityofTechnology,Tianjin300130,China),(,300130)[],,,:40~80、,1.38mol/L、24h,,Fe3+1.5mol/L、2h。,、。[];;;[]X131[]A[]1005-829X(2009)12-0041-05Abstract:Theapplicationofthemethods,suchasacidicandalkalitreatment,soakinginFeSO4etc.tothemodificationofnaturalzeolitehasbeenstudied,anditsdefluorinationcapacityhasbeendiscussed.Theoptimalmodifyingapproachhasbeenobtainedasfollows:Firstly,clinoptiloliteof40-80meshesiswashedbydeionizedwater,anddried.Secondly,itisstirredin1.38mol/LH2SO4solutionanddippedfor24h.Thetreatedzeoliteisthenwashedanddried.Attheend,itisboiledwith1.5mol/LofFeSO4solutionundertheconditionofstirringfor2h.Theinfluentialfactorsondefluorizationisdefinedbythecombinationofstaticmethodwithdynamicmethodandtheadsorptionmodeandthermodynamiccharacterduringthedefluorizationprocessisstudied.Keywords:modifiedzeolite;defluorization;adsorption;thermodynamic,,1.0mg/L。,,,;0.5mg/L,;,、、、、,,。,7000,〔1〕。,2912200912IndustrialWaterTreatmentVol.29No.12Dec.,2009100~150mL/L,42h,67.13%36.54%。[][1],.[J].,2001,20(1):4-5.[2],,.[J].,2007,36(2):92-95.[3],,,.[J].,2003,4(12):12-16.[4],,,.———[J].,2007,31(2):106-109.[5].[M].:,2006:150-168.[](1964—),,2005,、、。:022-60601156,E-mail:liqiang19830909@sina.com。[]2009-07-20()41——

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