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Study on Crude Oil Productions and its practice with Rice hull As Treated in Various Supercritical Solvents on Application of Liquefaction Technology  

Shin, JoungDu (Department of Climate Change & Agricultural Ecology, National Academy of Agricultural Science, Rural Development Administration)
Baek, Yi (National Institute of Horticultural Herbal Science, Rural Development Administration)
Hong, Seung-Gil (Department of Climate Change & Agricultural Ecology, National Academy of Agricultural Science, Rural Development Administration)
Kwon, Soon-Ik (Department of Climate Change & Agricultural Ecology, National Academy of Agricultural Science, Rural Development Administration)
Park, Woo-Kyun (Department of Climate Change & Agricultural Ecology, National Academy of Agricultural Science, Rural Development Administration)
Park, SangWon (Department of Research Project Development, Rural Development Administration)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.18, no.1, 2010 , pp. 110-118 More about this Journal
Abstract
Supercritical treatment of liquefaction technology for rice hull was investigated the biomass conversion rate and evaluated its crude oil in respect to feasibility of burner in order to heat the green house. The reaction was carried out in a 5,000 mL liquefaction system with dispenser and external electrical furnace. Raw materials (160 g) of rice hull and 3,000 mL of different solvents were fed into the reactor. It was observed that the maximum crude oil yield was about 84.4 % with 1-butanol. The calorific value of crude oil from ethanol solvent were 7,752 kcal/kg. Furthermore, in case study of co-solvent with ethanol and bulk-glycerol, it observed that more than 80 % of rice hull was decomposed and liquefied in its solvent at $315{\sim}326^{\circ}C$ for 30 min. For the development of applicable bio-fuel from rice hull, it was considered that its feasibility is necessary to be carried out for co-solvent soluble portions. Regarding to utilize the crude oil into burner as fuel, it was observed that its calorific value was lower at approximately 24 % than the diesel. Also, flame length from crude oil at lower temperature was decreasing due to incomplete incineration. The temperature of warm wind on the burner was maintained between 63 and $65^{\circ}C$, and the temperature of emission line was appeared at $350{\sim}380^{\circ}C$.
Keywords
Liquefaction; crude oil; rice hull; caloric value; agricultural burner;
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