高盐度采油废水生物处理影响因素李艳红

　　　200826＊李艳红　解庆林　王敦球(,　　541004)　　采用UASB+SBR法处理某海洋油田产生的采油废水。针对该废水难降解和高盐度的特性,探讨总盐度、Cl-浓度、处理负荷、曝气时间等因素对生物处理过程的影响,为工程设计及实际应用提供科学依据。　高盐度采油废水　生物处理　影响因素INFLUENCINGFACTORSONBIOLOGICALTREATMENTOFTHEPETROLEUMPRODUCEDWASTEWATERWITHHIGHSALINITYLiYanhong　XieQinglin　WangDunqiu(DepartmentofResourcesandEnvironmentalEngineering,GiulinUniversityofTechnology　Guilin　541004)Abstract　ThecombinedprocessofUASBandSBRwasusedtotreatthepetroleumproducedwastewaterfromanoceanoilfield.Thewastewaterischaracterizedbyhighsalinity,non-degradableorganicpollutantandcom-plexwaterquality.InfluencingFactorsduringthebiologicaltreatmentprocesssuchastotalsalinity,Cl-,loadingrateandaerationtimewerediscussedwhichwouldsupplyascientificbasisforthedesignandapplica-tionofthepracticalengineering.Keywords　petroleumproducedwastewaterwithhighsalinity　biologicaltreatment　influencingfactors＊(GK0542007);(0719005-2-1C)0　,[1]。,,、、、。、、,、,,COD[2-3]。,,、Cl-、S2-、Na+、Ca2+、Mg2+、K+。。,。,[4-5]。UASB+SBR,,,。1　1.1　实验水样。,。,。1。1　COD/(mg·L-1)350～560/(mg·L-1)30N/(mg·L-1)11～13SS/(mg·L-1)540～710/(g·L-1)27.4～31.8BOD5/(mg·L-1)48.1～185.6S2-/(mg·L-1)10～30P/(mg·L-1)7～12Cl-/(mg·L-1)14000～150001.2　UASB+SBR处理系统实验装置UASB,,6L。SBR12L。UASBSBR,UASB。SBR16DOI:10.13205/j.hjgc.2008.s1.072　　　200826,UASB。SBR、。SBR。1。1　UASB+SBR1.3　实验方案UASB,SBR,:※UASB※SBR※。2　2.1　UASB+SBR联合处理系统实验结果,COD460～560mg/L,UASB50℃,HRT16h。SBRCOD0.032～0.088kg/(kg·d),8h,3L/min,3。UASB+SBRCOD2,4d。UASB+SBR2。1-COD;2-COD;3-COD;4-COD。/d2　UASB+SBRCOD　　UASB+SBR,。COD、BOD5、SS、N《》(GB8978-1996),TP10.19mg/L,0.5mg/L,,。2　UASB+SBR/(mg·L-1)/(mg·L-1)/%BOD550.1～62.76～2387.2～96.7SS11.2～112.381.7～98.3S2-22.7～31.40.17～0.25990.5～5100TN7.856.2742.8TP11.3810.19152.2　UASB+SBR处理系统运行影响因素2.2.1　,,,。,Cl-10000mg/L[6]。Cl-14000～15000mg/L。。[7]。(1),。COD,,,,,。。,。COD0.180.12kg/(m3·d)。(2)Cl-。34COD,,,Cl-,COD。Cl-,。23g/L,Cl-11000mg/L,,COD7%。,,,。,17　　　200826,。COD,70%,。3　COD4　Cl-COD　　Cl-5、6,,,Cl-,。,。60%,40%,9.8g/L,Cl-4451.8mg/L。,、,,COD。,13.8g/L,25.8g/L。,,,COD,COD,70%,。2.2.2　UASB+SBR(1)UASB50℃COD,5d,7。　　7,COD0.42～0.84kg/(m3·d),,60%～68%。COD5　COD6　Cl-COD7　CODCOD0.96kg/(m3·d),COD50%。1.12kg/(m3·d),COD32%。UASB,COD。COD0.032、0.064、0.088、0.14kg/(kg·d),8。8,COD0.032～0.064kg/(kg·d),COD60%～87%,COD30～70mg/L。0.088kg/(kg·d),COD50%,COD80～85mg/L。COD0.14kg/(kg·d),COD30%,COD110mg/L,。,,SBR0.088kg/(kg·d)COD。18　　　2008268　UASB+SBR　　(2)COD,4、6、8、10、12h,COD9。9,4h,COD27.5%。,UASB,,。4h8h,COD。6h,COD49%,COD84.2mg/L。8h,COD68.5%,COD65mg/L。10h,COD77.8%,COD48mg/L。12h,COD78.9%,COD。10h,COD,COD。,,SBR8～10h。9　SBRCOD　　(3)COD0.064kg/(kg·d)、8h,SBR,SBR。6、5、4、3、2L/min,8h,3d。10。　　10,4～6L/min,10　SBRCODCOD,60%～70%,COD50mg/L,COD,,COD。3L/min,COD56%,COD66.2～68.9mg/L。2L/min,COD30%,COD92.4～112.5mg/L,。,。,COD,COD,,。3L/min。2.2.3　SBR,,。COD0.064kg/(kg·d),BOD0.026kg/(kg·d),。11,,MLSS,3.6g/L4.7g/L,MLVSS,,,,。(20d),MLVSS/MLSS0.6。MLVSS/MLSS0.48,0.7。,。　　12,COD,SBRSV,SVI,70%50%。,,19　　　20082611　SBR。,,,,,。,。12　SBR4　(1)UASB+SBR。《》(GB8978-1996)。(2)COD,,Cl-,,,。(3)UASB+SBR,,COD0.088kg/(kg·d),SBR8～10h,。(4),,。,,。[1],..,2001,21(8):1-3[2],,.COD.,2002,22(8):29-31[3],,..(),2001,25(4):88-90[4],,..,2004,30(1):49-51[5]AhmetUygur,FikretKargi.Saltinhibitingonbiologicalnutrientremovalfromsalinewastewaterinasequencingbatchreactor.En-zymeandMicrobialTechnology,2004,34:313-318[6],,,..,2002,12(2):17-19[7],,..:,2000:149-172　　541004　E-mail　[e-mail]2008-01-18(15),,F2。F2,COD。[1].322.:,2006.10,445-450[2].146.:,1994.3,374-377,466-469　　450052　2008-01-1720