含聚采油废水外排达标处理技术王志强

　　　200826王志强1　陈孝彦1　闫毓霞2　王　涛1　鞠　巍1　安　蓉1(1,　257000;2,　257000)　　本文针对含聚合物采油废水中聚丙烯酰胺生物毒性大、生化降解困难,采用“二级气浮+活性污泥”工艺对高含聚采油废水进行了现场实验研究。实验结果表明,处理后外排水中COD80mg/L,降解效率96.9%;石油类2mg/L,降解效率98.6%,外排水的各项指标均能达国家和地方的相关标准。　采油废水　聚合物　外排THETREATMENTTECHNOLOGYFORPOLYMER-BEARINGWASTEWATEROFEXTRACTINGOILTOBEDISCHARGEDUPTORELEVANTSTANDARDSWangZhiqiang　ChenXiaoyan　WangTao　JuWei　AnRong(TechnologyInspectionCenterofShengliOilfield,Dongying257000)YanYuxia(DepartmentofSecurityandEnvironmentProtectionofShengliOilfield,Dongying257000)Abstract　Thispaperwasaimedattheproblemofpolymer-bearingwastewaterofextractingoilincludingpol-ymerbeingdifficulttodischargeuptoenvironmentalstandardsbecausepolyacrylamideinthewastewaterisdifficulttodegradeandhasgreatbiologictoxicity.SecondaryairfloatandactivatedsludgeprocesswereusedtostudythewastewaterofextractingoilatGuwuCombinedStation.TheexperimentalresultindicatedthatCODinprocessedwastewatercouldbedegradedtoabout80mg/L,withadegradationrateof96.9%,oilinprocessedwastewatercouldbedegradedto2mg/L,withadegradationrateof98.6%.Everyindexofpro-cessedwastewatercouldreachthenationalandcocalrelevantstandards.Keywords　wastewater　polymer　discharge0　,,,,,。:Fenton、、,(PAM),。PAM,,PAM,,“+”。1　1.1　试验概述“+”,,“+”。1,100m3/d。,、pH、、COD、。,、pH、,。1.2　试验工艺1。6DOI:10.13205/j.hjgc.2008.s1.069　　　2008261　　　:,,;,、,;。,1,,,;,,,,;2,23,2;3,。,13,,,。2　2.1　废水水质情况1。1　mg/LCODBOD5PAMNO11861.592.127.2123.058053131NO23112.852.534.0182.060703755NO35642.039.636.1152.063804277NO41562.635.3169.53874NO5597.732.8155.637775642.092.136.1182.058053131597.732.827.2123.0638042772555.350.532.4156.460853763100530　　:1:COD、、BOD5,,;,,。,PAM。COD、PAM。PAM,。2.2　石油类去除效果分析2。2　　　,,50.5mg/L25.5mg/L,49.5%;,25.5mg/L1.72mg/L,47.1%;,1.72mg/L0.72mg/L,2.0%。98.6%。2.3　PAM去除效果分析PAM3。　　,,PAM156.4mg/L151.3mg/L,3.3%;,PAM151.3mg/L14.3mg/L,87.6%;7　　　2008263　PAM,PAM14.3mg/L11.6mg/L,1.7%;PAM92.6%,PAM。2.4　COD去除效果分析COD4。4　COD　　,,COD2555.3mg/L809.1mg/L,68.3%;,COD809.1mg/L135.5mg/L,26.4%;,COD135.5mg/L80.4mg/L,2.2%;COD96.9%。2.5　外排水水质情况“+”5。5　mg/LCODSSBOD580.40.720250.0640.02217.41005.070150.130　　:《》。,。3　(1)COD94.7%,96.6%,PAM90.9%,。(2)+COD80mg/L,96.9%;2mg/L,98.6%,。　　257000　[e-mail]2008-01-08(2),(20%);(3)(0.35m3/kg);(4)(12～19),1～3d;(5),1%～3%;(6)(COD90%);(7),pH。6　(1),CODBOD598%,。(2)UASB-,。(3)UASB-,,,。[1]..:,2000[2].———.,2005　　030013　(0351)2646509E-mail　[e-mail]2008-01-088