Bulletin of the Korean Chemical Society

  • 제33권8호
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  • Pages.2642-2646
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  • 2012
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Reuse of Spent FCC Catalyst for Removing Trace Olefins from Aromatics

  • Pu, Xin (The State Key Laboratory of Chemical Engineering, East China University of Science and Technology) ;
  • Luan, Jin-Ning (The State Key Laboratory of Chemical Engineering, East China University of Science and Technology) ;
  • Shi, Li (The State Key Laboratory of Chemical Engineering, East China University of Science and Technology)
  • 투고 : 2012.03.21
  • 심사 : 2012.05.10
  • 발행 : 2012.08.20
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초록

Pretreatment of spent FCC catalyst and its application in remove trace olefins in aromatics were investigated in this research. The most effective pretreatment route of spent FCC catalyst was calcining at $700^{\circ}C$ for 1 h, washing with 5% oxalic acid solution in ultrasonic reactor and dried. Treated spent FCC catalyst was modified with metal halides, then to prepare catalyst to remove trace olefins in aromatics. X-ray diffraction, Pyridine-FTIR, $N_2$ adsorption-desorption and inductively coupled plasma optical emission spectrometer (ICP-OES) were used to investigate the pretreatment process. The result showed that the performance of the treated spent FCC catalyst was much greater than that of the spent FCC catalyst, which indicted the possibility and improvement of this research.

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