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1、JournalofMicrowavePowerandElectromagneticEnergy,48(1),2014,pp.35-60.APublicationoftheInternationalMicrowavePowerInstituteAReviewofMicrowaveCoalProcessingEleanorBinner,EdwardLester,SamKingman,ChrisDodds,JohnRobinsonProcessandEnvironmentalResearchDivision,FacultyofEngineering,TheUnive
2、rsityofNottingham,Nottingham,NG72RD,UKTaoWuDivisionofEngineering,TheUniversityofNottinghamNingboCampus,ScienceandEngineeringBuilding199TaikingEastRd,Ningbo315100,ChinaPeterWardleStaffordshireUniversity,Stoke-on-Trent,UKJonathanP.MathewsJohnandWillieLeoneFamilyDepartmentofEnergy&Mine
3、ralEngineering,andTheEMSEnergyInstitute,ThePennsylvaniaStateUniversity,126HoslerBuilding,UniversityPark,PA16802,USAReceived:November4,2013Accepted:February19,2014ABSTRACTThispaperreviewstheapplicationofmicrowaveenergyincoalprocessingandutilisation.Itbringstogetherallofthepublishedwo
4、rkonthemicrowavetreatmentofcoal.Themajorityoftheworkwascarriedoutatlabscale,althoughafewprocesseshavemadeittopilotorevenindustrialscale.Theprocesseswithmoreimmediatepromiseforscale-upareidentified,asarethosethatrequirefurtherlaboratoryscaleexperimentstoestablishwhethermicrowaveproce
5、ssingshouldbepursuedatalargerscale.Theimportanceofdielectricpropertiesofthematerialstobeprocessedisemphasized,andthereasonsbehindtheneedforamulti-disciplinaryapproachtothedesignandoperationofelectromagneticexperimentsareexplained.Microwavecoalprocessingisadiversearea,whichhasthepote
6、ntialtoaidincoalupgrading,cleaningandcomminution,thusimprovingefficiencyandreducingharmfulemissionsofcoalusage.Otherpromisingresearchareasincludetheinvestigationofmicrowaveprocessingforcoking,liquefaction,enhancingfluidflowincoalbedsandcoalcharacterisation.Thepaperconcludesbydiscuss
7、ingthebarrierstoscale-upthattheseprocessesface.KEYWORDS:Dielectric,microwaves,beneficiation,coalcleaning,coaldrying,coalgrindability,coal.INTRODUCTIONCleancoaltechnologyisaveryimportantareaofresearchanddevelopmentasithasenormouspotentialtoreduceharmfulemissionsandimprovefuelefficien
8、cy.Microwaveheating
