Deep hydrogenation of coal tar over a Ni/ZSM-5 catalyst

Shi Chao Qi, Lu Zhang, Xian Yong Wei, Jun Ichiro Hayashi, Zhi Min Zong, Lu Lu Guo

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

We have developed a Ni/ZSM-5 catalyst and utilised it to completely hydrogenate a series of condensed arenes, including naphthalene, anthracene and phenanthrene, under relatively mild conditions. The yields of decalin, perhydroanthracene and perhydrophenanthrene reached 100%, 98.8% and 25.8%, respectively. By analyzing the isomer distribution of the perhydroarenes, we proposed a mechanism of biatomic hydrogen transfer, which was further proven via the hydrogenation of 9,10-diphenylanthracene. Through hydrotreatment over the Ni/ZSM-5 catalyst, both high-temperature coal tar rich in condensed arenes and low-temperature coal tar mixing arenes with alkanes were greatly upgraded. The majority of arenes in the coal tars were deeply and even completely hydrogenated, which may open up a route for further processing and application of coal tar as clean fuels.

Original languageEnglish
Pages (from-to)17105-17109
Number of pages5
JournalRSC Advances
Volume4
Issue number33
DOIs
Publication statusPublished - 2014

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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