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1、第35卷第6期燃料化学学报Vo.l35No.62007年12月JournalofFuelChemistryandTechnologyDec.2007文章编号:0253-2409(2007)06-0772-05废轮胎热解油加氢精制硫氮脱除特性研究12111金余其,陆王琳,池涌,严建华,岑可法(1.浙江大学能源清洁利用国家重点实验室,浙江杭州310027;2.上海发电设备成套设计研究院,上海200240)关键词:废轮胎;热解油;加氢精制;脱硫;脱氮中图分类号:TE624文献标识码:AResearchonsulfura
2、ndnitrogenremovalcharacteristicsofscrap-tirepyrolyticoilbyhydrofining12111JINYu-qi,LUWang-lin,CHIYong,YANJian-hua,CENKe-fa(1.StateKeyLaboratoryofCleanEnergyUtilizationofZhejiangUniversity,Hangzhou310027,China2.ShanghaiPowerEquipmentResearchInstitute,Shanghai2
3、00240,China)Abstract:Characteristicsoftheremovalrateofsulfurandnitrogenbyhydrofiningforoilfrompyrolysisofscraptiresinpilo-tscalerotarykilnwasinvestigated.Theeffectwofreactiontemperature(240e~390e),-1-1pressure(2.0MPa~3.0MPa),volumeairspeed(1.0h~2.0h)andhydrog
4、enoilvolumeratio(800B1~1200B1)wereexamined.Reactiontemperaturehasaremarkableinfluenceontheremovalrateofsulfurandnitrogen.Reactionpressuredoesnotshowobviousimpactontheremovalrateforlightfractionpyrolyticoi.lHowever,higherreactionpressureimprovestheremovalratef
5、ormiddlefractionpyrolyticoi,lespeciallydenitrogenationrate.Lowervolumeairspeedandhigherhydrogenoilvolumeratioincreasetheremovalrateofbothsulfurandnitrogen.Theoptmiumconditionisacquiredforlightfractionpyrolyticoi,lthatis360e,3.0MPa,-1volumeairspeedof2.0h,andhy
6、drogenoilvolumeratioof800B1.Therateofdesulfurizationanddenitrogenationareover97%.Underthisconditionthemasscontentofsulfurafterhydrofiningis0.025%,reachingnationalstandardofautomobileunleadedgasolineforsulfurwhichislowerthan0.1%.Formiddlefractionpyrolyticoi,lw
7、henreactiontemperatureis390eandotherparametersjustlikelightfractionoi,ltheremovalrateofsulfurandnitrogencouldreach94%and79%,respectively.Keywords:scraptire;pyrolyticoi;lhydrofining;desulfuration;denitrogenation废轮胎热解技术因其能实现废弃物资源化综合化合物成分主要为含硫噻吩类和含氮喹啉类物[5]利用,深受国
8、内外学者关注。浙江大学20kg/h回质。此类物质将导致油品具有臭味,还会影响油[1]转窑热解中试装置的热解实验表明,热解油产率品的安定性,带来储运困难。油品燃烧时产生的占42.7%~45.0%。在当前一次能源日益紧张的SO2和NOx也会造成环境污染。酸洗法是最常用的局面下,如何实现其最大资源化利用,即废轮胎热解脱硫方法,此方法虽操作然简单,但不能脱氮。石化油的应用前景,是
