Flash thermocracking of tar or pitch
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United States of America Patent
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Apr 16, 1996
Grant Date -
N/A
app pub date -
Jul 22, 1994
filing date -
Jul 22, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for producing high-quality pitches comprising atomizing a preheated feed material of carbonaceous tar and/or pitch, forming an aerosol, contacting the aerosol in a reaction vessel with a flowing, non-reactive gas atmosphere for less than about 10 seconds at a gas temperature of about 1400.degree. F. to about 2000.degree. F., and separating and recovering a liquid fraction of the liquid formed in the reaction vessel which remains in a liquid phase up to a distillation temperature of about 750.degree. F.
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