黑土洼潜流人工湿地净化水质效果总体分析郭文献

　2010年8月JournalofIrrigationandDrainage　第29卷第4期　:1672-3317(2010)04-0080-05黑土洼潜流人工湿地净化水质效果总体分析＊郭文献,张羽,王鸿翔,徐建新,赵振国(华北水利水电学院,郑州450011)　:基于2004—2009年黑土洼人工湿地水质长期监测资料,对人工湿地整体系统以及潜流湿地中3个不同净化区的水质净化效果进行了总结分析,结果表明,各项水质去除率平均达到40%以上,水质由进水Ⅴ—劣Ⅴ类水质,达到出水水质Ⅲ—Ⅳ类,整体水质净化效果较为明显;人工湿地在常温期(6月1日—10月15日)的水质净化效果要优于过渡期(3月15日—6月1日)和低温期(10月15日—3月15日);在潜流人工湿地的3个净化区中,Ⅰ区水质净化效果最好,其次为Ⅱ区和Ⅲ区;此外,在潜流湿地单元中,一级植物碎石床净化水质,总体上达到总去除率的50%以上。　　:官厅水库;人工湿地;污水处理:X826　　　:A0　　,,2003,,,、。,,、[2]。2,,,1997。,,。2004,5,,。,[3-6],,,,。1　。。,。、、,,、,[2]。,,,,7.3hm2,9.3hm2,4,Ⅰ、Ⅱ、Ⅲ、Ⅳ,ⅠA、B、C、D、E、F、G7;Ⅱ、Ⅲ;Ⅳ2,0.6～0.8m3/s,0.4～0.6m3/s,0.2m3/s,S、,。80＊:2010-03-05:“”(2008ZX07209-002-04);(200907):(1979-),,。,,。,,;(Ⅳ),。,。,、,:※※※※※※※。2004—2009,,V,,。,,、,、,12,、。,6、7、8、9,;4、5、10,,;113,。,,,;,,,。,BOD5、NH+4-N、NO-3-N、TN、orth-P、TP、CODMn、SS,、、、、、、。2004—2009,2。,2004—2009,3,3;Ⅰ、Ⅱ、Ⅲ,,3。2　2.1　,:315—61,61—1015,1015—315,315—61,61—1015,1015—315。,,。1—53。图1　过渡期水质净化效果　　　　　　　　　　　　　图2　常温期水质净化效果　　图3　低温期水质净化效果　　　　　　　　　　　图4　3个不同时段人工湿地净化效果81图5　多年平均水质净化效果　　1,,,NH+4-N、TP、SS49.4%、50.6%76%,NO-3-NTN。2,,,NO-3-N、NH+4-N、TN、SS91.6%、73.9%、81.7%69.5%,CODMn。3,,,SS(59.8%),。43,,,NO-3-N、NH+4-NTN,,,,,,。　　5。,,ⅣⅤ,Ⅴ,ⅢⅣ,40%。2.2　2009324611Ⅰ、ⅡⅢ,,,3—65,6—11。图6　水质(BOD5)沿程净化效果　　　　　　　　　　图7　水质(NH+4-N)沿程净化效果图8　水质(CODMn)沿程净化效果　　　　　　　　　　　图9　水质(SS)沿程净化效果　　6BOD5,Ⅳ—Ⅴ,3BOD5,BOD5,ⅠBOD587%,Ⅱ82%,Ⅲ75%;,50%～75%,,,,,BOD5。BOD5Ⅱ—Ⅲ。　　7NH3-N。,NH+4-N82,Ⅰ、ⅡⅢ80%、67%52%,Ⅲ;;,NH+4-N。　　图10　3个区各项水质对比　　　　　　　　　　　　　图11　3个区水质指标去除率对比　　,NO-3-N,Ⅰ、ⅡⅢ50%、41%40%,。TN,Ⅰ、ⅡⅢ61%、54%47%,Ⅴ;,50%、40%35%;,TN。8CODMn。,CODMn,Ⅰ、ⅡⅢ48%、41%32%,,Ⅱ—Ⅲ。9SS。SS,67%,,50%,,SS。2.3　103,113。　　10Ⅰ、Ⅱ、Ⅲ,,,,,3;Ⅳ—Ⅴ,Ⅲ。11,Ⅰ、Ⅱ、ⅢBOD587.1%、81.7%、75%,BOD5:ⅠⅡⅢ,NH+4-N、NO-3-N、TN、CODMnBOD5,ⅠⅡⅢ,;SS,ⅢⅠⅡ58.3%,ⅠⅡ36.3%。3,3BOD5、NH+4-N,80%～90%;NO-3-N、TN,65%～75%;CODMnSS,40%～60%。,3,TN,,;NH+4-N,,;BOD、SS。3　　,5,,,。,Ⅴ—Ⅴ,Ⅲ—Ⅳ,。:[1]　,.[M].:,2009.[2]　,.[M].:,2009.[3]　,,,.[J].,2003,19(3):4-7.83[4]　,.[J].,2008,28(3):61-64.[5]　,,.[J].,2004,23(6):1077-1081.[6]　,,,.[J].,2003,23(5):462-466.AnalysisonWaterQualityPurifyingEffectofHeituwaSubsurfaceflowConstructedWetlandGUOWen-xian,ZHANGYu,WANGHong-xiang,XUJian-xin,ZHAOZhen-guo(NorthChinaUniversityofWaterConservancyandElectricPower,Zhengzhou450011,China)Abstract:Basedonthelong-termmonitoringwaterqualitydataof2004—2009inHeituwaconstructedwet-land,waterqualitypurifyingeffectofoverallconstructedwetlandsystemandthreedifferentareasofsub-surfaceflowconstructedwetlandwereanalyzed.Theresultsshowedthatwaterqualityremovalratereachedmorethan40%averagely;Waterqualitystandardchangedfromclassfivetoclassthreeandfour;theoverallwaterqualitypurificationeffectismoreobvious.Waterqualitypurificationeffectofconstructedwetlandatnormaltemperaturephase(6.1to10.15)wasbetterthanthetransitionperiod(3.15to6.1)andlow-temperatureperiod(10.15to3.15).Waterqualitypurificationeffectofthefirstdistrictwasbestinthreepurificationdistrictsofsubsurfaceflowconstructedwetland,followedbytheseconddistrictandthethirdzone.Inaddition,thefirstplantandgravel-bedinthesubsurfaceflowwetlandunithasthelar-gestcapabilityofwaterqualitypurificationandreachesover50%ofthetotalwastewaterremovalrate.Keywords:Guantingreservoir;constructedwetland;wastewatertreatment(75)MovementRegularityofSoilWaterandSoilSaltforCottonRootDistrictunderSalinWaterIrrigationYANXiao-yan,LITao,WANGXing-peng(CollegeofHydraulicandCivilEngineering,TarimUniversity,Alaer843300,China)Abstract:Salinwaterirrigationwithdifferentsalinities'effectonsoilmoistureandsaltofcottonrootdis-trictwasstudiedundertheconditionofdrippingirrigationunderfilminthispaper.Theresultsshowthat:inthesameirrigationquotacondition,waterconsumptionamountofcottonrootwassmallwhenusingsa-linwaterwithhighmixingratioundermixedirrigation,waterconsumptionofcottonrootwasinhibitedbysoilsalinity.Wide-lineofsoilconductivitycalculationmodelwasestablishedaccordingtothecorrelationbetweenthesoilmoistureandsoilconductivity.Theerrorbetweencalculateddataandmeasureddatawaswhenthewide-linedepthasfollows:1sttestbedfrom0to30cm,2ndtestbedfrom0to30cm,therefore,soilconductivitycanbeforecastedbythemodelwithinthisrange.Keywords:salinwater;dripirrigationunderfilm;soilmoisture;soilconductivity84