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Pyrolysis kinetics of waste automobile lubricating oil |
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| Authors: | S S Kim S H Kim |
| Affiliation: | a Department of Environmental Systems Engineering, Korea University, 1, 5-Ka, Anam-dong, Seongbuk-Ku, Seoul 136-701, South Korea b Department of Chemical Engineering, Korea University, 1, 5-Ka, Anam-dong, Seongbuk-Ku, Seoul 136-701, South Korea |
| Abstract: | The kinetics of waste automobile lubricating oil have been studied experimentally and modeled mathematically. Experiments were carried out in the tubing bomb microreactor at a temperature of 420–440°C and reaction times of 5–50 min. Volatile pyrolysis products were identified and quantitatively determined by gas chromotography. A lump model of combined series and parallel reactions for oil formation is proposed. Conversion data fitted first order kinetics for C5–C11 and C12–C25. The kinetic parameters were determined by nonlinear least-squares regression of the experimental data. These calculated values of the product distribution were found to be in agreement with the experimental data. |
| Keywords: | Pyrolysis Waste automobile lubricating oil Lump kinetic model |
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