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1、附錄ADesignoforangepeeldryerAuthor1,Author2,Author3.AppliedThermalEngineering,2016,8(6):556-568.Abstract:Citruspeelisanimportantfoodadditivefortheproduction.SouthAfricaistheworld'sthirdlargestcitrusexportintheworldbutcurrentlynocitruspeelisusedforfurtherprocessing.
2、Incontrast,thestatehadtoimportthesechemicalsfromoverseasdespitethequalityofrawmaterialsourcesintheformofcitruswaste.Becausecitrusfruitsareseasonal,itisnecessarytokeepthesepeelsinuseintheoff-season.Thepurposeofthisstudywastoinvestigatethedrydynamicsoflemonpeelandd
3、isplaydesignstrategiesonindustrialscaledryersbasedonlaboratoryandpilotplanttests.Thelaboratorytestsanddrynessoftheskinwerecrushedintothreedifferentsizes(3,6,and9mm)toprovidedryingtime(15,20,and40minutesat150°C,and30,35,100and60min°C)Toachievethedesiredfinalmoistu
4、recontent(10%)peel.Becausetheparticlesareaggregatedandtherelativelylongdryingfluidizedbeddryerhasbeenselected.Afterthesuccessofthepilotplanttesttheinitialdesignofthefluidizedbeddryerrequiredcapacityhasbeendone.?2007ElsevierAllrightsreserved.Keywords:dryfluidizedb
5、eddryer;foodadditive1IntroductionSouthAfricaistheworld'sthirdlargestcitrusexportintheworldbutcurrentlynofoodchemicalsareproducedlocally.Thenewinitiativeisdealingwithlocalandcit-ruswastetoproducevaluablefoodchemicals.Thiscanbeseenasanopportunitytogeneratenewjobsan
6、dincomeforlocalcitrusproducers.Becausecitrusfruitsareseasonal,itisnecessarytosavethesepeelsintheoffseason.Thisisdonebyreducingthemoisturecontentofabout85%to10%ofthepeel.Citrusfruitcandiedfruitcanbeusedinbakedgoodsorfastfood.Thedebrisofthepeelisusedforjam.Polysacc
7、harideextractpectincit-russkingellingagentusedinjamandsomecandy.Itisalsotechnicallypossibletoproducesolidwastefromfruitvinegar(fruitwasteuse,2007).Dryingisanenergy-intensiveprocessthatresultsintheremovalofmoisturefromthebody.Ingeneral,theeffectofthedryingprocessi
8、sconsiderabletoexerttheexternalconditionsandtheinternalstructureofthematerialisdry.Thesefactorsaffectthevariousdryingtimesinavarietyof.Therateofheattransferdur
