河道水体脱氮.ppt

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时间:2020-01-31

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1、河道水体脱氮传统脱氮的方法R-NH2→→{NH4+→→NO2-→→{NO3-}→→NO2-→→N2(部分N2O)}氨化氨化菌氨氧化氨氧化菌亚硝酸氧化亚硝酸氧化菌反硝化反硝化菌群投加碳源AlcaligenesfaecalisNo.4AlcaligenesfaecalisNo.4AmmoniumremovalinshakingcultureC/N10isoptimuminbothmedia.AlcaligenesfaecalisNo.4Thisindicatesthatno.4canutilizeneithernitritenornitrateasthenitrog

2、ensourceforgrowthnorastheenergysourcefordenitrification.HeterotrophicNitrificationHeterotrophicNitrificationSolidSubstrateSolidSubstrateSolidSubstrateEngineeringApplicationsAerobicdenitrificationAerobicdenitrificationLogisticmodel(Eq.1)wasusedtoestimatethemaximumgrowthratefromthegrowth

3、curveTheratesoftheaerobicnitrification–denitrificationwerecalculatedbytheEq.(2)AerobicdenitrificationAerobicdenitrificationTemperatureaffectTemperatureaffectTemperatureaffectExperimentalresultsindicatethatP.stutzeriYZN-001utilisesorconvertsNH4+–Nduringthegrowingphase,andtheOD600ofP.stutz

4、eriYZN-001reachedthestationarygrowthphaseafter18hat20,30and37C.However,thegrowthwasdelayedat10and4oC,delayingtheapparentstationaryphaseuntil72hand2weeks,respectively.谢谢Thanksforwatching

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《河道水体脱氮.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库

1、河道水体脱氮传统脱氮的方法R-NH2→→{NH4+→→NO2-→→{NO3-}→→NO2-→→N2(部分N2O)}氨化氨化菌氨氧化氨氧化菌亚硝酸氧化亚硝酸氧化菌反硝化反硝化菌群投加碳源AlcaligenesfaecalisNo.4AlcaligenesfaecalisNo.4AmmoniumremovalinshakingcultureC/N10isoptimuminbothmedia.AlcaligenesfaecalisNo.4Thisindicatesthatno.4canutilizeneithernitritenornitrateasthenitrog

2、ensourceforgrowthnorastheenergysourcefordenitrification.HeterotrophicNitrificationHeterotrophicNitrificationSolidSubstrateSolidSubstrateSolidSubstrateEngineeringApplicationsAerobicdenitrificationAerobicdenitrificationLogisticmodel(Eq.1)wasusedtoestimatethemaximumgrowthratefromthegrowth

3、curveTheratesoftheaerobicnitrification–denitrificationwerecalculatedbytheEq.(2)AerobicdenitrificationAerobicdenitrificationTemperatureaffectTemperatureaffectTemperatureaffectExperimentalresultsindicatethatP.stutzeriYZN-001utilisesorconvertsNH4+–Nduringthegrowingphase,andtheOD600ofP.stutz

4、eriYZN-001reachedthestationarygrowthphaseafter18hat20,30and37C.However,thegrowthwasdelayedat10and4oC,delayingtheapparentstationaryphaseuntil72hand2weeks,respectively.谢谢Thanksforwatching

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