脫氮微生物的篩選及其脫氮性能研究.pdf

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。據(jù)我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果，也不包含為獲得懈或其他教育機(jī)構(gòu)的學(xué)位或證書(shū)而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說(shuō)明并表示謝意。學(xué)位論文作者簽名：素胞易簽字日期：知11年占月7日學(xué)位論文版權(quán)使用授權(quán)書(shū)本學(xué)位論文作者完全了解蠆黼有關(guān)保留、使用學(xué)位論文的規(guī)定，

2、有權(quán)保留并向國(guó)家有關(guān)部門(mén)或機(jī)構(gòu)送交論文的復(fù)印件和磁盤(pán)，允許論文被查閱和借閱本人授權(quán)度黼以將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫(kù)進(jìn)行檢索，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文／7(保密的學(xué)位論文在解密后適用本授權(quán)書(shū))彳膽學(xué)位論文作者簽名：蔭俊豸導(dǎo)師簽名：∥銣珍3(簽字日期：≯f／年占月7日簽字日期：≯ff年多月＼彥日學(xué)位論女作者畢qk去向：工作單位：通訊地址：電話：郵編：AbstractAbstractCyanobact

3、eriaofeutrophicwaterreleasenitrogenpollutionduringdyinganddegradationwhichcausehi班nitrogencontentsGettingthecyanobacteriaoutofwaterbysalvage，reducethenitrogenlevelofwaterWhile，domesticresearchonsalvagetrementofcyanobacte

4、riaresource，havedonealotofresearchonmethaneproductionbyanaerobicfermentationIntheprocessofbiogasproductionreducingthenitrogengasintheproportionamdincreasingthemethaneintheproportionhadbeenresearchfocusResearchonefficient

5、removalofmicroorganisms，callbeappliednotonlytocontrolenvironmentalpollutionbutalsotoreducetheproportionofnitrogeninthemethanefermentationThepurposeofthisstudyWastoscreenwithammonificationnitrificationanddenitrificationmi

6、croorganisms，stuyingthecharacteristicsofthemicro—organisms，algaeremovalandappliedresearchtoprovideascientificbasistoachieveenergyusingandreferenceInthispaperwescreenandisolateammonificationbacterianitrificationbacteriaan

7、ddenitrificationbacteriafromthelakesedimentofChaohuLakeTakenbytheprimaryscreeningandrescreeningwechooseefficientstrainsofammonificationbacterianitrificationbacteriaanddenitrificationbacteriawhichwerestrainA5，strainX5，str

8、ainF3andF6StrainA5andX5wereidentifiedGramnegativeandGrampositiveBybiochemicalidentificationandidentificationof16SrDNAexperimentthestrainX5wasidentifiedasBacillussp，andhasa100％similaritytothe16SrDNAsequenceofBacillussubtl

9、isBydeterminingbiomassanddynamicsstudyandthestudyofinitialpHvalue，temperature，inoculumsizeandothersinglefactoranalysis，theresultsofstrainA5andX5experimentalareasfollows：(1)after24hinculturestrainA5maximumbiomass，andafter