1、北京工業(yè)大學(xué)碩士學(xué)位論文低溫等離子體殺菌的實(shí)驗(yàn)研究姓名：倪盈申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：熱能工程指導(dǎo)教師：陳永昌20090501北j：iT、II，人’等T!≯fI!j!I：’≯fI’t“淪迎ABSTRACTThenonthermalplasmaantiseptictechnologyisanewenvironmentalprotectiontechnologywhichhasdevelopedinrecent20yearsResearchs
2、howsthatplasmasterilizationtechnologycanovercomelimitationanddeficiencyofthetraditionalmethodIthasthepotentialtooffernormaltemperaturegeneratingsterilizewillnotbumoutthetreatedgoodswillnotproducethebyproductandtoxicresid
3、ueIthastheadvantageofhighe伍ciencyandnopollutionSOitbecomesaresearchhotfoellsintheworldIngeneral，theplasmaresearchforgassterilizationisrelativelymore，butthedisinfectionofwaterseriouslylacksresearchThisP即ergetstotheexperim
4、entalstudyofthisnewtechnologybactericidalpropertiesThereisavarietyofdischargingformsandmanymethodsofgeneratingnon—thermalplasma，thetemperatureofcoronadischargeplasmaislowandthecoronadischargeplasmacouldbeproducedatnormal
5、temperatureandatmosphericpressureThereforethissubjectdesignsandsetsupasetofequipmentofcoronadischargeplasma，usesthehi曲voltageDCpowersupplyelectrictostrikethroughgases，generatesnonthermalplasmatokillgermsinthewaterThisthe
6、sisresearchesforthecharactersofcoronadischargeplasmaincludingthetheoriesofcoronadischarge，theconditionofcoronadischargeproduction，theprocessofcoronadischarge，andthemechanismsofcoronadischargeThesubjectchoosesEscherichiac
7、oli285asexperimentalbacterialresearchesfortheresultsofsterilizationbynon—thermalplasmaunderthestaticexperimentalcondition，andinspectsthesterilizationeffectofdifferentfactors，suchasvoltage，conductanceelectrodesdistance，Wa
8、tel“l(fā)evel，electrodeformsanddifferentairmediumtothesterilizationwithnonthermalplasmaMeanwhile，itsetsupexperimentalsystem，conductsthedynamicexperimenttocomparethedifferentresultsofthestaticanddynamicexperimentandprobeintot
9、hemechanismofsterilizationResultsshowsthatunderthestaticexperimentcondition，thenonthermalplasmahastheeffectofsterilizationfortheEcoliTheeffectofthesterilizationincreaseswiththeincreasesofthevoltageandtreatmenttimewhileit
10、decreaseswiththeincreasesoftheelectrodesdistanceandthewaterlevelChangesintheconductanceofthewaterhavenothingtowiththeeffectofsterilizationInaddition，thePaperresearchestheeffectsofdifferentairmediumonthesterilization，andt
11、heresultsshowsthatthesterilizationeffectofargonplasmaisbetterthannitrogenplasmabetterthanairplasmaMoreoverinthedynamicexperiment，thisthesisstudiestheeffectofthesterilizationontheEcoliofthenonthermalplasmaintheflowregimew
12、hicharetreatedbytwocirculatingmethodsinclude：goingoncethroughtheprocessorandcirculatingtheprocessorinthewholesysternTheresultshowsthecapabilityofthenon—thermalplasmaisdirectratiowiththevoltageandthetreatmenttimeThesteril