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Pretreatment of FCC Gasoline for Alkylation Desulfurization Reaction
1.College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China; 2.Research Institute of Urumqi Petrochemical Company , Urumqi 830019, China
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Abstract  To improve the catalytic stability of alkylation desulfurization reaction, fluid catalytic cracking (FCC) gasoline was pretreated for alkaline nitrogen removal by extraction with distilled water or hydrochloric acid, followed by adsorption with D101 or NKC-9 macro-porous dry resin. The influences of pretreatment to the extent of desulfurization, and to the amount and molecular structure of residue sulfur in FCC gasoline, were investigated. The results show that, alkaline nitrogen compounds in FCC gasoline can be quickly and effectively removed by hydrochloric acid extraction and NKC-9 resin adsorption, in addition to that, NKC-9 resins can absorb trace amounts of sulfides. With the removal of alkaline nitrogen compound, the transfer rate of several major thiophene sulfides can achieve more than 90% in alkylation reaction of FCC gasoline.
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Articles by authors
You Zhiheng 1
Xu Yarong 2
Li Huiping 1
Wei Shumei 2
Key wordsbasic nitrogen      pretreatment      desulfurization      fluid catalytic cracking gasoline     
Received: 12 December 2012     
Cite this article:   
You Zhiheng 1,Xu Yarong 2,Li Huiping 1 et al. Pretreatment of FCC Gasoline for Alkylation Desulfurization Reaction[J]. 化学反应工程与工艺, 2013, 29(1): 24-28.
You Zhiheng 1,Xu Yarong 2,Li Huiping 1 et al. Pretreatment of FCC Gasoline for Alkylation Desulfurization Reaction[J]. 化学反应工程与工艺, 2013, 29(1): 24-28.
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/EN/     OR      /EN/Y2013/V29/I1/24

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