Open AccessOxidative Thermal Treatment of Oil Sludge at Low Heating Rates
Author(s) -
JeLueng Shie,
JyhPing Lin,
ChingYuan Chang,
ChaoHsiung Wu,
DuuJong Lee,
Chiung-Fen Chang,
YiHung Chen
Publication year - 2004
Publication title -
energy and fuels
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.861
H-Index - 186
eISSN - 1520-5029
pISSN - 0887-0624
DOI - 10.1021/ef0301811
Subject(s) - petrochemical , oil sludge , pyrolysis , chemistry , oil refinery , petroleum , thermal decomposition , raw material , refinery , decomposition , thermal treatment , fuel oil , waste management , pulp and paper industry , environmental chemistry , environmental science , organic chemistry , engineering
Oil sludge is one of the major industrial wastes that needs to be treated for the refinery or petrochemical industry. Efforts have been made to convert the oil sludge into available resources such as lower molecular weight organic compounds and carbonaceous residues. In this study, the oil sludge from the oil storage tank of a typical petroleum refinery plant located in northern Taiwan is used as the raw material of thermal treatment using oxygen-containing gas. The treatment of oil sludge is conducted by the use of carrier gas with different concentrations of oxygen (4.83, 8.62, 12.35, and 20.95 vol % O2) in the temperature range of 380−1123 K and at various constant heating rates of 5.2, 12.8, and 21.8 K/min. The significant reactions occur in the range 415−931 K. Below a temperature of 613 K, pyrolysis reactions are predominant. Including the pyrolysis reactions, the overall oxidative thermal decomposition of oil sludge can be adequately described by a five-parallel-reaction model. The activation energ...
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