DUAL REACTOR FOR BETTER CONVERSION OF HEAVY HYDROCARBONS
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United States of America Patent
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Issued Date -
Dec 22, 2011
app pub date -
Jun 16, 2010
filing date -
Jun 16, 2010
priority date (Note) -
Abandoned
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Abstract
An improved hydrocarbon cracking process includes a first reactor such as a nozzle reactor positioned in series with a second reactor such as a tubular reactor. A cracking fluid such as steam or natural gas is reacted with heavy hydrocarbon material in the first reactor. The first reactor may provide a tremendous amount of thermal and kinetic energy that initiates cracking of heavy hydrocarbon materials. The second reactor provides sufficient residence time at high temperature to increase the conversion of heavy hydrocarbon materials to the desired level. The cracking fluid functions as a hydrogen donor in the cracking reactions so that very little of the heavy hydrocarbon material becomes hydrogen depleted and forms coke even if the heavy hydrocarbon material is repeatedly recycled through the process.
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