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燃料化学学报 2009
catalyticpyrolysisofatmosphericresidueonafluidcatalyticcrackingcatalystfortheproductionoflightolefins, PP. 124-128 Keywords: catalyticpyrolysis,residue,ethylene,propylene Abstract: ？catalyticpyrolysisofchinesedaqingatmosphericresidueonacommercialfluidcatalyticcracking(fcc)catalystwasinvestigatedinaconfinedfluidizedbedreactor.theresultsshowthatthecommercialfcccatalysthasgoodcapabilityofcrackingatmosphericresiduetolightolefins.theanalysisofgassamplesshowsthatthecontentoftotallightolefinsincrackedgasisabove80%.theanalysisofliquidsamplesshowsthatthecontentofaromaticsinliquidsamplesrangesfrom60%to80%,anditincreaseswiththeenhancementofreactiontemperature.theyieldoftotallightolefinsshowsamaximumwiththeincreaseofreactiontemperature,theweightratiosofcatalyst-to-oilandsteam-to-oil,respectively.theoptimalreactiontemperature,theweightratiosofcatalyst-to-oilandsteam-to-oilareabout650℃,15and0.75,respectively.
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