Pilot plant experiment of high temperature vacuum pyrolysis of lubrication oil

Title
Pilot plant experiment of high temperature vacuum pyrolysis of lubrication oil
Authors
정종수진성민박은석송금주
Keywords
Vacuum Pyrolysis; Hydrogen; Carbon black; Lubrication oil; Graphite
Issue Date
2009-05
Publisher
The Joint Conference: International Thermal Treatment Technologies (IT3) & Hazardous Waste Combustors (HWC)
Abstract
Vacuum pyrolysis of waste lubrication oil was carried out in a pilot-scale vacuum chamber. A waste oil sample was pyrolyzed in two consecutive reactors. A direct heating system with an electric arc generated from graphite balls was used for pyrolysis under a vacuum. Vacuum pyrolysis of waste lubrication oil was conducted using graphite balls at various surface temperatures (800-1,500oC) and oil feed rates (50-250 cm3/min). The main gaseous and vapor products, including H2, CO and CO2, were analyzed. The surface temperature of the graphite balls was in proportion to the hydrogen content and inversely proportional to the CO. The hydrogen content increased to a maximum of 80 vol. % at a graphite ball surface temperature of 1,500oC. As the oil feed rates were increased, the hydrogen content was increased to a maximum of 80 vol. % at an oil feed rate of 250 cm3/min and the pyrolysis reactor pressure was slightly higher. The characteristics of the carbon black collected at each consecutive reactor were analyzed by BET, scanning electron microscopy and transmission electron microscopy.
URI
http://pubs.kist.re.kr/handle/201004/35234
Appears in Collections:
KIST Publication > Conference Paper
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