TY - GEN
T1 - The physical characteristics of bio-oil from fast pyrolysis of rice straw
AU - Yang, Shou Yin
AU - Wu, Chih Yung
AU - Chen, Kun Ho
N1 - Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2011
Y1 - 2011
N2 - Rice straw is one of the main renewable energy sources in central and south Taiwan. In this study, bio-oil was produced from rice straw using a bench-scale plant that included a fluidized bed, a char removal system, and an oil collection system using an oil-recycling spray condenser. We investigated the effects of pyrolysis temperature and carrier gas flow rate on the distribution of products and on the properties of the bio-oil obtained. Experiments were conducted at reactor temperatures of 350-500 °C with carrier gas flow rates of 7.5-15 L/min and a feed rate of 1 kg/h. The results indicated that the optimum reaction temperature and carrier gas flow rate for the production of bio-oil were 450 °C and 10 L/min, respectively. The highest percentage of bio-oil in the products in these experiments was 41.3 wt%. The pH value of the bio-oil was ∼4.1 and the viscosity was ∼9 cSt (at 25 °C), depending on the storage time, temperature, and char content. This study establishes the operating parameters of a biomass fast pyrolysis system and provides some properties of rice straw bio-oil relevant to storage and use.
AB - Rice straw is one of the main renewable energy sources in central and south Taiwan. In this study, bio-oil was produced from rice straw using a bench-scale plant that included a fluidized bed, a char removal system, and an oil collection system using an oil-recycling spray condenser. We investigated the effects of pyrolysis temperature and carrier gas flow rate on the distribution of products and on the properties of the bio-oil obtained. Experiments were conducted at reactor temperatures of 350-500 °C with carrier gas flow rates of 7.5-15 L/min and a feed rate of 1 kg/h. The results indicated that the optimum reaction temperature and carrier gas flow rate for the production of bio-oil were 450 °C and 10 L/min, respectively. The highest percentage of bio-oil in the products in these experiments was 41.3 wt%. The pH value of the bio-oil was ∼4.1 and the viscosity was ∼9 cSt (at 25 °C), depending on the storage time, temperature, and char content. This study establishes the operating parameters of a biomass fast pyrolysis system and provides some properties of rice straw bio-oil relevant to storage and use.
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U2 - 10.4028/www.scientific.net/AMR.328-330.881
DO - 10.4028/www.scientific.net/AMR.328-330.881
M3 - Conference contribution
AN - SCOPUS:80053116356
SN - 9783037852385
T3 - Advanced Materials Research
SP - 881
EP - 886
BT - Mechatronics and Materials Processing I
T2 - 2011 International Conference on Mechatronics and Materials Processing, ICMMP 2011
Y2 - 18 November 2011 through 20 November 2011
ER -
