稻田湿地处理农村生活污水除磷试验研究李松

12FEnvironmentalScience&Technology3312F201012Vol.33No.12FDec.20101222*11.3113002.310029。TPGW98.17%DW97.28%BW97.04%SW96.78%CK75.20%。GW、DWBW60.3%~71.4%P≤0.0526.8%~36.7%。、。P≤0.05)。X703Adoi10.3969/j.issn.1003-6504.2010.12F.0161003-6504(2010)12F-0075-05StudyonPhosphorusRemovalofRuralDomesticWastewaterWiththePaddyWetlandLISong1,LIANGXin-qiang2,WANGFei-er2,CHENYing-xu2*,CAOZhi-hong11.SchoolofEnvironmentalScienceandtechnology,ZhejiangAgricultureandForestryUniversity,Hangzhou311300,China;2.TheAcademyofWaterScienceandEnvironmentalEngineering,ZhejiangUniversity,Hangzhou310029,ChinaAbstractTheresultsfromthephosphorus-removalfieldexperimentofruraldomesticwastewatertreatmentbythepaddywetlandshowedthatphosphorusremovalrateswereinthefollowingorderat:GW(98.17%)DW(97.28%)BW(97.04%)SW(96.78%)CK(75.20%).Phosphorusremovalratesfromruraldomesticwastewater(60.3%~71.4%)wassignificantlyhigherthanthatfromPfertilizer(27.5%~32.7%)(P≤0.05),whichshowedthatPfromruraldomesticwastewaterwasremovedpreferentially.Ptransferredfromrootstostemsandleaveswiththericegrowth,andfinallyaccumulatedinthegrains.Inaddition,thericeyieldsoffivetreatmentshadnotsignificantdifferenceP≤0.05),whichsuggestedirrigatingthepaddywetlandbyruraldomesticwastewaterinsteadofsurfacewatercouldeffectivelyremovePandkeepthericeyieldssimultaneously.Keywordspaddywetland;ruraldomesticwastewater;greywaterblackwater;phosphorus;totalphosphorusload(TPL)2010-10-19(2008ZX07101-006-02-05、2008ZX07101-006-08-A)(2010FR035)(1977-)()0571-63920771()[e-mail];*()0571-86971159()[e-mail]。。、、[1]。。?[2-3]、。[4-5]。[6-7]。。33。11.12008713~1113。-80(34g/kg)、pH6.9、2.98g/kg、4.5g/kg、16.8cmolkg、1.46g/cm3、23.51%、28.13%、48.36%。2.0m×4.0m3。20cm。1。[8]。8cm。180kg/hm240kg/hm2150kg/hm2。62815cm。。。、、、0.13、0.13、0.59、0.41、0.21mg/L40kg/hm2。CK5kg/hm2、(SW5kg/hm235kg/hm2)、GW20kg/hm220kg/hm2、DW15kg/hm225kg/hm2)、BW10kg/hm230kg/hm21。。KCl。1.2。。1d、3d、6d10d15d。“S”6500mL12h。。4℃。CODTP、DP、PP、PO43+BRAN+LUEBBEAA3Germany。H2SO4-H2O2、、。1.3。。、。TPLkg/hm2mgm2。(1)。TPL=CTP×VA1CTPmg/LV7612F2CKTPP≤0.05。GW、DWBW60.3%~71.4%26.8%~36.7%P≤0.05。[10]。[11]。2720818TP。10151113TPP≤0.05、TP。3。(%)713*720818CK0.13d0.15d0.06c75.20a-75.20bSW7.94a1.92a0.83a56.73d40.05a96.78aGW7.27ab1.13b0.61b71.36ab26.81c98.17aDW6.77bc0.97bc0.48b65.43bc31.85bc97.28aBW6.24c0.70c0.34b60.29cd36.75ab97.04a(mg/L)11130.03d0.26a0.22ab0.18b0.11c2*7137208181113。m3Am2Hcm。2。RTP=C0V0-C1V1C0V0×100％2C0C1mg/LV0V1m3Am2Hcm。3。PSoil=CS1-CS0CS0×100％3CS0CS1(mg/kg)。4。PFertilizer=CSomple-CCKCCK×100％4CSompleCCKTPmg/L(5)PWastewater=1-CS1-CS0CS0-CSomple-CCKCCK×100％5。MicrocalOrigin7.5、DPS6.55Duncan95％99％。。22.11CKGW、BW、SWDWP≤0.05)7300kg/hm25.34%。SW、GW、DW、BWGWDWBWSWP≤0.05)。。[9]13.6mg/kg。2.2713、、TPP≤0.052PO43+TP。(kg/hm2)CK()6909.6±523.5ab*SW(+)7179.5±264.7aGW(+)7489.6±278.5aDW(+)7418.3±315.7aBW(+)7367.8±263.8a1*±Duncan(P≤0.05)。,7733。、、、、GW0.43mg/kgGWDWBWSWCKGWDWBW。2.3713TPL1~3d3。TPLTP。1011113TPL。TPL。7208182dTPLP≤0.05SWTPLBW、GW、DWP≤0.05。SW、GW、DW、BW49.3%~81.1%10.8%~46.1%4.5%~8.1%P≤0.054。。713818。818111348.2%24.9%73.1%89.8%。4TPL。。53.92%88.09%TPL。。TPLP≤0.05。8181113TPL3%2%。31。2TP。TP10175.20%~CK0.12**0.0540.0140.110.0480.240.170.120.130.0110.0070.0040.17SW0.170.0760.0200.160.0640.340.250.180.160.0180.0180.0140.28GW0.310.1350.0360.290.1130.610.430.32.0300.0240.0360.0260.45DW0.240.1050.0280.220.0880.470.330.250.240.0210.0320.0210.38BW0.210.0920.0230.200.0770.420.310.210.190.0200.0290.0200.34*----------0.080.120.210.160.153(mg/kg)*713-719720-820821-10151016-1113。**(n=9)。-。7812F1113CK77.26a*22.74c63.87a36.13c52.76a47.24b54.18a45.82a-SW8.11b10.78d-13.72b26.53d-16.22b28.14e-14.72b24.94d89.78aGW4.54b46.14a-20.83d53.92a-23.93e52.84a-21.34d48.23a73.11dDW6.67b32.85b-18.47c44.86b-19.89d43.73c-18.45c39.89b78.56cBW7.34b21.52c-17.28c37.23c-18.17c38.23d-17.81c32.35c85.45b713720-81.11a49.32d60.48c71.14b-87.19a66.91d73.61c80.05b818-88.09a71.09d76.16c79.94b4(%)*Duncan(P≤0.05)。-。,98.17%。。3。。SW89.78%。[][1]JenssenPD,HeyerdahlPH,WarnerWS,etal.Localrecy－clingofwastewaterandorganicwaste-asteptowardsthezeroemissioncommunity.In:LekkasTD(ed).Proc.8thInternationalConferenceEnvironmentalScienceandTech－nology,LemnosIsland,Greece,2003,89-96.[2]BinduT,SylasVP,MaheshM,etal.PollutantremovalfromdomesticwastewaterwithTaro(Colocasiaesculenta)plant－edinasubsurfaceflowsystem[J].EcologicalEngineering,2008,33:68-82.[3]CestariAR,VieiraEFS,MotaJA.Theremovalofananion－icreddyefromaqueoussolutionsusingchitosanbeads[J].JournalofHazardousMaterials,2008,160:337-343.[4]CaoZH,DetdattaSK,FilleryIRP.Effectofplacemeiltmethodsonfloodwaterpropertiesandrecoveryofapplied(15Nlabeledurea)inwetlandrice[J].JournalofSoilScienceandSociety,1984,48:196-203.[5]TurnerDA,ChenD,GalballyIE,etal.SpatialvariabilityofnitrousoxideemissionsfromanAustralianirrigateddairypasture[J].PlantSoil,2008,309:77-88.[6]JurgenK,ChristineI.Treatmentofdomesticandagriculturalwastewaterbyreedbedsystems[J].EcologicalEngineering,1999,12:13-25.[7]LydiaJK,JurgK.Engineeredecosystemforsustainableon-sitewastewatertreatment[J].WaterResearch,2007,41:1823-1831.[8],,,.“”.[J].,2005,42(5):7