The thermalandcatalyticprocessesofconvertingwasteplacticsintofuelsarepromisingtechniquesto
eliminate therefusewhichotherwiseisharmfultotheenivironment,anddecreasethedependenceon
fossil fuels.Thermaldegradationdecomposesplasticintothreefractions:gas,crudeoil,andsolidresidue.
Crude oilfromnon-catalyticpyrolysisisusuallycomposedofhigherboilingpointhydrocarbons.The
optimization ofconversionparameterssuchasthechoiceofcatalyst,reactordesign,pyrolysistem-
perature,andplastic-to-catalystratioplaysaveryimportantroleintheefficient generationofgasoline
and dieselgradefuel.Theuseofacatalystforthermalconversionlowerstheenergyrequiredforcon-
version, andthecatalystchoiceisimportantforefficient fuelproduction.Thesuitableselectionofcat-
alystscanincreasetheyieldofcrudeoilwithlowerhydrocarboncontent.Co-pyrolysisofplasticswith
coal orshaleoilimprovescrudeoilqualitybydecreasingitsviscosity.Alargenumberofpublications
haveappearedonvariousprocesses,andcontinuedimprovementsand/orinnovationsareexpectedin
the future.Furtherinvestigationsonthecatalyticsystemsarerequiredinordertoadvancethe field,
particularlytoenhancetheaddedvalueoffuelsandtominimizetheuseofenergy.Thisreviewaimsto
provideboththehighlightsoftheremarkableachievementsofthis field andthemilestonesthatneedto
be achievedinthefuture.
Thermalandcatalyticprocessesofconvertingwasteplacticsintofuelsarepromisingtechniquestoกำจัด therefusewhichotherwiseisharmfultotheenivironment, anddecreasethedependenceonเชื้อเพลิงฟอสซิล Thermaldegradationdecomposesplasticintothreefractions:gas, crudeoil, andsolidresidueน้ำมัน oilfromnon-catalyticpyrolysisisusuallycomposedofhigherboilingpointhydrocarbons ที่เพิ่มประสิทธิภาพ ofconversionparameterssuchasthechoiceofcatalyst, reactordesign, pyrolysistem-perature, generationofgasoline andplastic catalystratioplaysaveryimportantroleintheefficientและ dieselgradefuel Theuseofacatalystforthermalconversionlowerstheenergyrequiredforcon-รุ่น andthecatalystchoiceisimportantforefficient fuelproduction Thesuitableselectionofcat-alystscanincreasetheyieldofcrudeoilwithlowerhydrocarboncontent บริษัท pyrolysisofplasticswithถ่านหิน orshaleoilimprovescrudeoilqualitybydecreasingitsviscosity Alargenumberofpublicationshaveappearedonvariousprocesses, andcontinuedimprovementsand/orinnovationsareexpectedinในอนาคต Furtherinvestigationsonthecatalyticsystemsarerequiredinordertoadvancethe ฟิลด์particularlytoenhancetheaddedvalueoffuelsandtominimizetheuseofenergy Thisreviewaimstoprovideboththehighlightsoftheremarkableachievementsofthis ฟิลด์ andthemilestonesthatneedtoachievedinthefuture ได้
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