CATALYTICAL HYDRODESULFURIZATION OF KEROSENE IN TWO STEPS ON COBALT-MOLYBDENUM CATALYST AND INTERMEDIATE STRIPPING
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Mar 16, 2011
filing date -
Mar 17, 2010
priority date (Note) -
Abandoned
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Abstract
A process for selective removal of mercaptan from aviation turbine fuel feed includes mixing aviation turbine fuel feed with hydrogen, at a pressure in a range from 3 bar to 20 bar to obtain a reaction mixture. The reaction mixture is heated at a temperature range of 150° C. to 350° C. to obtain a heated mixture. The heated mixture is reacted with a hydrotreating catalyst in a rector to obtain a reactor effluent, and H2S gas is stripped from the reactor effluent to obtain a stripper bottom product. Moisture is removed from the stripper bottom product to obtain aviation turbine fuel product having less than 10 ppm mercaptan. The aviation fuel product has improved properties such as color and acidity. Embodiments also relate to an aviation turbine fuel product having less than 10 ppm mercaptan prepared by the described process of the present invention.
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