Citation: LI Run-dong, LI Bing-shuo, YANG Tian-hua, XIE Ying-hui. Liquefaction of rice stalk in sub-and supercritical ethanol[J]. Journal of Fuel Chemistry and Technology, ;2013, 41(12): 1459-1465. shu

Liquefaction of rice stalk in sub-and supercritical ethanol

1.
College of Energy and Environment, Key Laboratory of Clean Energy of Liaoning Province, Shenyang Aerospace University, Shenyang 110136, China

Corresponding author: LI Run-dong,
Received Date: 23 July 2013
Available Online: 15 October 2013
Fund Project:

Rice stalk (RS) was liquefied in ethanol under sub-and supercritical conditions in a batch autoclave; the influences of reaction temperature, RS/ethanol ratio and residence time on the liquefaction behavior were investigated. Under the optimized conditions, i.e. 325 ℃, a RS/ethanol ratio of 1/10 (g/mL), and a residence time of 60 min, the RS conversion and oil yield reach 78.32% and 55.03%, respectively. The GC/MS analysis results illustrate that the dominant components of the bio-oil are phenols and esters, which account for about 50% of the bio-oil product. The bio-oil product obtained exhibits a high heat value (HHV) of 28.95 MJ/kg, a kinematic viscosity of 5.63 mm²/s, and a water content of 2.2%.
- rice stalk,
- ethanol,
- liquefaction,
- bio-oil,
- supercritical fluid,
- GC-MS
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沈阳化工大学材料科学与工程学院沈阳 110142