互花米草与土豆混合厌氧发酵产酸和产沼气特性.pdf

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1、第27卷第6期2622011年6月农业工程学报TransactionsoftheCSAE、，01．27No．6Jun．20llCharacteristicsofacidificationfermentationandbiogasproductionforco··digestionofSpartinaalternifloraandpotatoLiJihon91，YangShiguanl，ZhengZhen92(1．NationalEngineeringLaboratoryforBiomassPowerGenerationEquipments，NorthChinaElectricPowerUni

2、versity，Beijing102206，PR．China；2．SchooloftheEnvironmentalScienceandEngineering,FudanUniversity，Shanghai，200433，PR．China)Abstract：Influencesofanaerobicco．digestionofSpartinaalterniflora，alignocellulosicmaterial，andpotatoonacidificationfermentationofs．alternifloraanditsbiogasproductionwereinvestigate

3、dbyanaerobicbatchdigestionexperimentsconductedat矗alternifloratopotatoratioof6：1．7：1and9：1at35℃．Theresultsindicatedthatacidificationfermentationforco．digestionswasbutyratetypecomparedwiththatofpropionatetypeformono—digestionofpure＆alterniflora，andthetotalvolatilefattyacids(TVFA)concentrationsforco—d

4、igestionincreasedmorethantwicecomparedwiththatofmono．digestionofpure&alterniflora．Theresultsalsoindicatedthatthecumulativebiogasyieldsforco．digestionatSC：Pratiosof6：1．7：1and9：1．respectivelyamountedto460，431and415mL／gVS，increasedby27．4％，19．3％and15．O％thanthe361mL／gVSobtainedinmono—digestionofpuresalt

5、erniflora．Inaddition．theaveragemethanecontentsofbiogasproducedinco．digestionatSC：Pratiosof6：1，7：1and9：1were60．3％，62．4％and62．7％，respectively,about3％．5％higherthan57．4％inmono．digestionofpuresalterniflora．ItwasconcludedthatgreatchangesofVFAswereobtainedforco—digestioncomparedwithmono．digestionofpureS．a

6、lterniflora，andingeneral，thesechangeswerebeneficialtoimprovebiogasproductionandbiogasqualityofS．alternifloradigestion．Keywords：Anaerobicco·digestion，Spartinaalterniflora，Potato，acidificationfermentation，Biogasdoi：10．3969／j．issn．1002—6819．2011．06．047CLCnumber：X705Documentcode：AArticleID：1002—6819(20

7、11、一06—0262—07LiJihong，YangShiguan，ZhengZheng．Characteristicsofacidificationfermentationandbiogasproductionforco-digestionofSpartinaalternifloraandpotato[J]．TransactionsoftheCSAE，2011，27(6)：263--268．(InEngl