处理湖水的垂直流湿地中陶粒的磷吸附特性

811Vol．8No．11201411ChineseJournalofEnvironmentalEngineeringNov.2014112*12122331.1000832．1000123．10008331。KH2PO4-P5mg/L10mg/L1#2.984.63mg/kg2#1.783.71mg/kg3#1.563.42mg/kg1#3.515.43mg/kg3#3.014.39mg/kg2#2.444.14mg/kg。1#1#23.69%31.16%。10mg/L1#、2#3#1．17、1．121.28。X703.1A1673-9108201411-4820-05CharacteristicsofphosphorusadsorptionbyceramsiteinverticalsubsurfaceflowconstructedwetlandstreatinglakewaterXingYi1TianXingqiang1LuShaoyong2HuWeizheng12LiJisheng12LiKe23JiaJianli31.SchoolofCivilandEnvironmentalEngineeringUniversityofScienceandTechnologyBeijingBeijing100083China2．EngineeringandTechnologyCentreofLakeDongtinghuLakeEcologicalObservationandＲesearchStationDEOＲSＲesearchCentreofLakeEnvironmentStateEnvironmentalProtectionKeyLaboratoryforLakePollutionControlStateKeyLaboratoryofEnvironmentalCriteriaandＲiskAssessmentChineseＲesearchAcademyofEnvironmentalSciencesBeijing100012China3.SchoolofChemicalandEnvironmentalEngineeringChinaUniversityofMiningandTechnologyBeijingBeijing100083ChinaAbstractThecharacteristicsofphosphorusadsorptionindifferentdepthlayersofceramsiteinthreedown-wardverticalsubsurfaceflowconstructedwetlandswhichhaveoperated1yearforurbanlakepurificationTuan-JiuYixingwerestudied．TheresultsshowthatwhentheconcentrationofKH2PO4-Pstandardsolutionis5and10mg/Ltheupperceramsitephosphorusadsorptioncapacitysequenceis1#wetlandwithplantedCanna2.98and4.63mg/kg＞2#wetlandwithaeration1.78and3.71mg/kg＞3#unplantedwetland1．56and3.42mg/kgandthelowerlayerceramsitephosphorusadsorptioncapacitysequenceis1#wetlandwithplantedCannawetland3.51and5.43mg/kg＞3#unplantedwetland3．01and4.39mg/kg＞2#wetlandwithaeration2.44and4.14mg/kg．Bycomprehensivecomparisonceramsitein1#wetlandwithplantedCannawetlandhasgreaterphosphorusadsorptioncapacitywhichishigherthanthelattertwowetlandsby23.69%and31.16%respectively．Inthesamewetlandthephosphorusadsorptioncapacityoflowerlayerce-ramsiteisgreaterthanthatofupperceramsite．Whentheconcentrationofstandardsolutionphosphorusis10mg/Lthelowerceramsitephosphateadsorptionof1#2#and3#wetlandare1．171．12and1．28timesoftheup-perceramsiterespectively．Keywordsconstructedwetlandceramsitephosphorusadsorptionurbanlakewater2013－11－132014－02－191976—。[e-mail]*[e-mail]Ⅲ。111-3。、4。5-789。、、10。11-16。17。、18。31。11．1。3～5mm0.9～1.15g/cm32.26g/cm358%1.62%。SiO2Al2O359.88%16.23%Fe2O3、CaOMgO7.84%、3.26%2.04%。6.42%。1．2。121。PVC3PVC1Fig.1Diagramoftestdevicestructure。××=40cm×40cm×80cm。31#、2#3#。1～3#3～5mm50cm50cm。。1#2#15cm。3#。。48h3.54m3/m2·d。1．315～10cm10～15cm。120℃30min105℃。100g250mL0、510mg/LKH2PO4-P200mL140r/min25℃24h。50mL3000r/min3min0.45μm。0mg/LKH2PO4-P。Qe=VC0－CeW1QeKH2PO4-Pmg/kgWkgVLC0KH2PO4-Pmg/LCeKH2PO4-Pmg/L19。128481．420。2KH2PO4-P2。2KH2PO4-PFig.2KH2PO4-Padsorptionanddesorptionofupperceramicwetlandsystem23#1.06mg/kg2#0.63mg/kg1#0.17mg/kg5mg/L10mg/L1#2.984.63mg/kg2#1.783.71mg/kg3#1.563.42mg/kgKH2PO4-P。1#1#。1#2#3#。。0.1428～339mg/kg1968.75mg/kg。1。。。、。KH2PO4-P3。33#2#1#。5mg/L1#3#2#10mg/L1Table1Phosphorusadsorptioncapacityofnewceramicmg/kgmg/Lmm328．165100．5～1．01g25℃200r/min21277．7851020501001501010g30℃150r/min48h5000r/min10min22711012g23156．251020304050602g25℃200r/min24h4000r/min10min240．65～1000．9～2．025℃24h5000r/min10mim251．125101530405080100120150600.5g100mLKH2PO420mL。25℃24h26131．581008～102g250mL50mL002mol/LKClKH2PO4120r/min、25℃48h270．142833～5250mL100mL2.0g25℃150r/min24h281968．72．133～5102g150mL100mL150r/min20℃290．63912．5510201002005～10250mL12．551020100200mg/L200r/min302284113KH2PO4-PFig.3AdsorptionofKH2PO4-Pbywetlandlowerceramic1#3#2#5mg/L。1#1#2#3#。1#3#2#。231#2#3#KH2PO4-P1#、2#3#5.43、4.144.39mg/kg0.73、0.350.281#0.045mg/kg1#。5mg/L1#2#＞3#1#、2#3#1.18、1.371.931#＞3#＞2#。10mg/L1#、2#3#1#、2#3#1.17、1.121.28。。1#5mgP/L10mgP/L1#2。311#3#2#。2。1．．《2012》2012．4．72．．200413198-101ZhangJunZhouQiHeＲong．Mechanismofnitrogenandphosphorusremovalinfree-watersurfaceconstructedwet-land．EcologyandEnvironment200413198-101inChinese3BrixH．Domacrophytesplayaroleinconstructedtreat-mentwetlands．WaterScienceandTechnology199735511-174．．20042481718-1723JiangYuepingGeYingYueChunleietal．Nutrientre-movalroleofplantsinconstructedwetlandonsightseeingwater．ActaEcologicaSinica20042481718-1723inChinese5．．20045211-15ZhangHuchengTianWeiYuMuqingetal．Studypro-gressinconstructedwetlandecosystemsforsewagepurifica-tion．TechniquesandEquipmentforEnvironmentalPollu-tionControl20045211-15inChinese6．．199410140-43WuXiaolei．Theflowdirectionofpollutantsinconstructedwetland．ChinaWater＆Wastewater199410140-43inChinese7DrizoA．frostC．A．SmithK．A．etal．Phosphateandammoniumremovalbyconstructedwetlandswithhori-zontalsubsurfaceflowusingshaleasasubstrate．WaterScienceandTechnology199735595-1028ＲeddyK．Ｒ．ConnorG．A．GaleP．M．Phosphorussorptioncapacitiesofwetlandsoilsandstreamsedimentsimpactedbydairyeffluent．JournalofEnvironmentalQuali-ty1998272438-4479．．200522411-14ChangXinWangYiCongXibin．Thepresentsituationandprospectsofbiologicalreactionfillerusedforwastewatertreatment．JournalofJilinArchitecturalandCivilEngineer-ingInstitute200522411-14inChinese3284810．BAF．200519137-40ZhaoYingYangFenglinZhangXingweneta