欢迎来到天天文库
浏览记录
ID:48010127
大小:3.70 MB
页数:7页
时间:2020-01-14
《吸附法燃油超深度脱硫的研究进展.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、·1396·石油化工PETROC髓MICALTECHNOLOGY2016年第45卷第1l期进展与述评DOl:10.3969/j.jssn.1000—8144.2016.11.019吸附法燃油超深度脱硫的研究进展张伟1,李鑫1’2,童靖予1,胡雨1,李翠清1(1.北京石油化工学院化学工程学院,北京102617;2.北京化工大学化学工程学院,北京100029)[摘要]传统的加氢脱硫工艺能耗高且难以超深度脱硫,而吸附脱硫成本相对较低,可超深度脱硫。综述了吸附法燃油超深度脱硫的研究进展。吸附脱硫技术分为物理吸附脱硫和反应吸附脱硫。物理吸附脱硫技术存在的关键问
2、题是,燃油中相对大量的芳烃和烯烃等组分会与有机硫化物形成强烈的竞争吸附,导致吸附剂脱硫选择性及脱硫量较低;反应吸附脱硫技术由于在吸附剂表面将有机硫转化成了其他形式的更易吸附的硫化物,然后再吸附脱除,因而吸附脱硫选择性较高。目前,还原型反应吸附脱硫技术S-zorb工艺已投产,而近年来发展迅速的氧化型反应吸附脱硫技术由于可在常温常压下进行,且不消耗氢气。极具应用前景。[关键词]脱硫;反应吸附;物理吸附;燃油;有机硫[文章编号]1000-8144(2016)11一1396—07[中图分类号]TQ028.3[文献标志码]AProgressesinultra—
3、deepdesulfurizationoffueloilthroughadsorption劢口馏耽^三fm行1一,而馏坍豫蹦1,协砌1,三f国fgf馏1(1.SchoolofchemicalEngine耐ng,Bej=jingIns伽JteofPe岫hemicalEngineerillg,Bej=jing102617,china;2.CollegeofChemicalEngm耐ng,Be巧ingunivers时ofChemicalTecbIlology,Be硒inglo0029,Chim)[Abstract]TheconVentionalhydrod
4、esul觚zationprocesswasnotonlycostly,butalsodi街cultfortheul仃a—deepdesul嘶zationof血eloil.Inrecentyears,adsorptivedesulmrizationwaspaidmoreanentionduetoitslowcostandthebigpossibilit)rfortheul仃a—deepdesul如rization.Progressesintheulna—deepdesul觚zationof如eloil廿1roughadso叩tionwerereview
5、edinthisp印er.Thekeyproblemsforthedesul血rizationthmu曲physicaladso印tionwerethelowadsorptiVeselectiVi够andmelowadso印tiVec印acityforo唱ano-sul^lrcompoundsduetothes仃ongcompetitiVeadso叩tionbetweentraceamountofo玛ano—sulmrcompoundsandarelatiVely1a玛eamountofaromatics,alkenesandothercompone
6、ntsinthe舭1oil.Thedesul艇zationtl啪ughreactiVeadso印tionhadhiglladsorptionselectiVit)rtoo玛ano—sul向rcompoundsbecausemeo唱ano—sulnlrcompoundswereconvertedtoothersulfurspecieswhichcouldbeadsorbedmoreeasilyontheadsorbents.Tbdate,thedesul血rizationthroughreductiVereactiVeadsorption(S—Zorb
7、process)hadbeenappliedcommercial,whilethedesulfurizationthroughoxidatiVereactiVeadsorptionwasmorepromisingprocessbecausetheoperationcouldbeconductedundcr锄1bienttemperatllreandpressllrewithouthydrogen.[Keywords]desul缸jzation;reactiVeadso印tion;physicaladso印tion;fIleloil;o玛aIlo-su
8、lfhr’含硫燃油燃烧时会生成s0。,对环境造成巨放‘1
9、。为此,世界各国都制定了严格的硫含量标大危害,如导
此文档下载收益归作者所有