Hat_Creek煤作为固相有机_省略_源去除地下水中硝酸盐氮的基础研究_李頔
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2020-01-12 00:03:05
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DenitrificationofGroundwaterUsingHatCreekLigniteasSolidPhaseOrganicCarbonSourceLIDi1,GUOQiong2,JIANGTing-liang1,WANGHe-li1*,K.L.Pinder21Schoolofwaterresourcesandenvironment,ChinaUniversityofGeosciences(Beijing),Beijing,China,1000832DepartmentofBiological&ChemicalEngineering,theUniversityofBritishColumbia,Vancouver,B.C.V6T1Z3,Canada1lidi-dsyg@163.com2wangheli@cugb.edu.cnAbstract:Thestudydiscussesthedifferentperformanceofnitrateremovalfromgroundwaterwithextracar-bonsourceaddingornot,whichiscarriedoutbyusingHatCreekCoalandBio-ceramicasfilterbedintwoseparatedprocesses.Theexperimentalresultsindicatedthatbothstuffingcanbeusedasbiologicaldenitrifi-cationcarrierfilterwithextracarbonsourceandremovedthenitrateeffectively.TheextracarbonsourcedoesnotaffectthenitrateremovaleffectofBio-ceramic.Onthecontrary,HatCreekCoalplayedtheroleasbothcarbonsourceandbiofilmcarrier.Fortreatinggroundwaterwithlownitratepollution,thequalityofeffluentcouldachievedGB/T14848-93Ⅲstandardofgroundwater.Keywords:ground
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