Catalytic Pyrolysis Of Straw Biomasses (wheat,
Flax, Oat And Barley Straw) And The Comparison
Of Their Product Yields
Author(s)
A. Aqsha, M. M. Tijani & N. Mahinpey
Abstract
Biomass can be converted through a biochemical and also thermochemical
process. Pyrolysis is considered one of the thermochemical processes that can be
used to breakdown biomass into a liquid product called bio-oil. Pyrolysis of
Canadian straw biomasses was studied using a thermogravimetric analyzer
(TGA) and a bench-scale horizontal fixed bed reactor, to understand the
devolatilization process and, to obtain information about their product yields. In
this work, the results of experimental studies on the pyrolysis of several
Canadian biomasses are described. The pyrolysis of straw biomass was
performed in a fixed-bed reactor at temperatures of 500oC, to study the influence
of the feedstock on product distribution. The pyrolysis products were analyzed,
and the effect of the catalyst on the product yield is also discussed. The yield of
bio-oil and bio-char of the straw pyrolysis using zeolite catalysts was increased
up to 46.44% and 38.77%, respectively; while the bio-gas yield was decreased to
as low as 13.65%. The use of catalyst 2 (Zeolite YH2.2) had the most significant
effect in increasing the yield of bio-oil about 2% and bio-char yield up to 8%.
The use of catalyst number 2 also showed the most significant effect during
pyrolysis of flax straw by increasing the bio-oil yield up to 46.44%. In the
pyrolysis of oat straw, the use of catalyst consistently decreased the bio-gas
yield; however, the bio-oil yield increased the most (43.32%) with the use of
catalyst 1 (Zeolite YS2.2). The use of catalyst 1 also increased the bio-oil yield
during the pyrolysis of barley straw (43.03%).
Keywords: biomass, biofuels, devolatilization process, kinetic of pyrolysis,
proximate analysis, pyrolysis of biomass.
Keywords
biomass, biofuels, devolatilization process, kinetic of pyrolysis,
proximate analysis, pyrolysis of biomass.
Related Book
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