SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideoscoal utilizationIntroductionProperties affecting coal utilizationCoal rankMoisture contentVolatile matter contentMineral (ash) contentFixed-carbon contentCalorific valueCoal typePhysical propertiesGrindabilityPorosityDensityThermoplastic propertiesCarbonization (coke making)High-temperature carbonization reactionsCarbonization processesCoke ovensCoking coalsTypes and sizes of cokeBy-productsCoal combustionCombustion reactionsCombustion systemsFixed bedFluidized bedPulverized coalCycloneCoal-water slurry fuelAdvanced combustion technologiesGasificationGasification reactionsGasification systemsThe Lurgi systemThe Winkler systemThe Koppers-Totzek systemAdvanced gasification systemsGas-cleanup systemsLiquefactionLiquefaction reactionsLiquefaction processesThe Bergius processThe Fischer-Tropsch processAdvanced processesReferences & Edit HistoryRelated TopicsImagesTechnologyIndustryFacebookXhttps://www.britannica.com/technology/coal-utilizationAlan W. Scaroni
Associate Dean for Research of the College of Earth and Mineral Sciences, Pennsylvania State University, University Park. Coauthor of Evaluation of Sorbent Performance in Fluidized Bed Combustion.AllBritannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....Historycombustionconversionsolidgaseousliquidcoalheatelectric powercokechemical industryfossil fuelspetroleumnatural gascoalificationconstituentsproximate analysiscarbonMoisture contentVolatilecompoundsashmineralssintersslagcharacteristicBritish thermal unitschemical energythermal energyvalueSUBSCRIBE
Coal type Coal is a complex material composed of microscopically distinguishable, physically distinctive, and chemically different organic substances called maceralsexinitehydrogensporesresinsalgalVitriniteoxygenInertinitecombustionefficiencymaceralcompositionlignitesanthracitesbituminous coalsPorosityDensitydensitybulk density;Thermoplasticswellscoking coalsSarma V.L.N. PisupatiAlan W. ScaroniCarbonizationnitrogensulfurconstitutearduousCoke ovensUnited StatesquenchingCoking coalsintimateanthracitecokefissurescokephosphoruscoke breezesurplusammoniamethanecarbon monoxideblast furnacessteelRonald James MorleySarma V.L.N. PisupatiAlan W. ScaronicombustioncoalcombustionsteamturbineselectricityoxidationconstituentheatvolatilecharoxygenDiffusionDiffusionchemical reactionreaction rateparametersinherentaircharacteristicscokeimposeFluidized bedSchematic diagram of a fluidized-bed combustion boiler.sandlimestoneresidualheat transfercorrosionmeltingcapacitysulfur dioxidelimestonedolomitecalciummagnesiumcalcium oxidecalcium sulfateinhibitedefficienciesslagtangentialCoal-water slurry fuelwaterfuel oilevaporationfacilitatemagnetohydrodynamicsmagnetic fieldsteam generatorenhancescoalcokecoal tarcoal gasSee all related contentenergy conversion
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