In this study, rice husk and corn stalk have been pyrolyzed in an auger pyrolysis reactor at pyrolysis temperatures of 350, 400, 450, 500, 550, and 600 °C in order to investigate the effect of the pyrolysis temperature on the pyrolysis performance of the reactor and physicochemical properties of pyrolysis products (this paper focuses on char and gas). The results have shown that the pyrolysis temperature significantly affects the mass yields and properties of the pyrolysis products. The mass yields of pyrolysis liquid and char are comparable to those reported for the same feedstocks processed in fluidized bed reactors. With the increase of the pyrolysis temperature, the pyrolysis liquid yield shows a peak at 500 °C, the char yield decreases, and the gas yield increases for both feedstocks. The higher heating value (HHV) and volatile matter content of char increase as the pyrolysis temperature increases from 350 to 600 °C. The gases obtained from the pyrolysis of rice husk and corn stalk mainly contain CO2, CO, CH4, H2, and other light hydrocarbons; the molar fractions of combustible gases increase and therefore their HHVs subsequently increase with the increase of the pyrolysis temperature.
|Number of pages||7|
|Journal||Energy and Fuels|
|Early online date||20 Nov 2016|
|Publication status||Published - 15 Dec 2016|
Bibliographical noteThis document is the Accepted Manuscript version of a Published Work that appeared in final form in Energy and Fuels, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/acs.energyfuels.6b02276
Funding: International Research Staff Exchange Scheme (IRSES) ECOFUEL programme (FP7-PEOPLE-2009-IRSES Grant 246772); and EPSRC Supergen Bioenergy Challenge ‘‘PyroAD’’ Project (EP/K036793/1).
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Pyrolysis of Rice husk and Corn stalk in Auger Reactor: Part 1. Characterization of Char and Gas at Various Temperatures
Yu, Y. (Creator), Yang, Y. (Creator), Cheng, Z. (Creator), Blanco Sanchez, P. H. (Creator), Liu, R. (Creator), Bridgwater, T. (Creator) & Cai, J. (Creator), Aston Data Explorer, 1 Dec 2016
DOI: 10.17036/16aaf5bb-9374-4b77-a3e2-67e487b4da4c, https://pubs.acs.org/doi/10.1021/acs.energyfuels.6b02276