Pyrolysis behaviors of oil sludge based on TG/FTIR and PY-GC/MS |
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Authors: | Wei Song Jianguo Liu and Yongfeng Nie |
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Institution: | (1) LIM (UMR 8006), Arts et M?tiers ParisTech., 151 boulevard de l’H?pital, 75013 Paris, France |
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Abstract: | Pyrolysis is an alternative technology for oil sludge treatment. Thermogravimetric Analysis-Fourier Transform Infrared Spectroscopy
and Pyrolysis-Gas Chromatography/Mass Spectrometry were employed to investigate the pyrolysis process and products of oil
sludge. The pyrolysis process was divided into five stages: drying and gas desorption, oil volatilization, main pyrolysis,
semi-coke charring, and mineral decomposition. The main reaction temperatures ranged from 497.6 K to 753.2 K. The products
were mainly composed of pairs of alkane and alkene (carbon number ranges from 1 to 27). The mechanisms consisted of random
chain scission followed by end chain scission at high temperatures with volatilization occurring during the whole process.
This study is useful not only for the proper design of a pyrolysis system, but also for improving the utilization of liquid
oil products. |
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Keywords: | |
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