Liquid fuels from ethylene tar by two-stage catalytic hydroprocessing

T. Kan, H. Wang, C. Li, S. Zhang

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Two-stage hydroprocessing of ethylene tar was performed on bench-scale equipment under typical reaction conditions of hydrogen pressure of 6 MPa, liquid hourly space velocity of 0.8 h⁻¹, H₂/oil volume ratio of 1,600, first-stage temperature of 360°C, and second-stage temperature of 380°C. Alumina-supported molybdenum-nickel (Mo-Ni) and tungsten-nickel (W-Ni) catalysts, which were prepared through combinational technologies of ultrasonic-assisted impregnation and temperature-programming, were filled in the first and second stages, respectively. Gasoline (≤180°C) and diesel (180–360°C) fractions separated from the produced oil were analyzed. Results showed that the ethylene tar can be considerably upgraded through two-stage catalytic hydroprocessing, and fuels with sulfur and nitrogen contents of less than 10 and 2 ppm, respectively, were obtained.
Original languageEnglish
Pages (from-to)2317-2322
Number of pages6
JournalEnergy sources, part A : recovery, utilization, and environmental effects
Volume37
Issue number21
DOIs
Publication statusPublished - 2015
Externally publishedYes

Keywords

  • catalyst
  • diesel
  • ethylene tar
  • gasoline
  • hydroprocessing
  • two-stage

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