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Pyrolysis of Cedrus deodara saw mill shavings in hydrogen and nitrogen atmosphere for the production of bio-oil

TitlePyrolysis of Cedrus deodara saw mill shavings in hydrogen and nitrogen atmosphere for the production of bio-oil
Publication TypeJournal Article
Year of Publication2016
AuthorsKrishna, Bhavya B., Biswas Bijoy, Ohri Priyanka, Kumar Jitendra, Singh Rawel, and Bhaskar Thallada
JournalRenewable Energy
Date Published3/2016
ISSN09601481
Abstract

Pyrolysis of deodar has been carried out at 350 and 400 °C at 0.1, 1, 2 and 3 MPa hydrogen pressure. Pyrolysis under nitrogen atmosphere has been carried out at 300, 350, 400 and 450 °C. The favourable process conditions under hydrogen environment were found to be 400 °C and 2 MPa pressure and in case of nitrogen environment was found to be 350 °C. The products have been characterised using GC–MS, 1H NMR, FT-IR and SEM. It has been observed that the bio-oil is rich in phenolic compounds under nitrogen and hydrogen atmospheres. Selectivity towards certain compounds such as catechol, vanillin and its derivatives etc. are high under hydrogen atmosphere. Deodar has undergone decomposition significantly which is evident by the absence of most functionality in bio-char and loss of crystallinity. The products formed under hydrogen and nitrogen environments are different from each other owing to the differences in reaction mechanism.

URLhttp://www.sciencedirect.com/science/article/pii/S0960148116301574
DOI10.1016/j.renene.2016.02.056
Short TitleRenewable Energy