Integrated process to produce asphalt and desulfurized oil
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United States of America Patent
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Nov 13, 2018
Grant Date -
Jan 31, 2013
app pub date -
Jul 25, 2012
filing date -
Jul 31, 2011
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Abstract
An integrated process is provided to produce asphalt and desulfurized oil. Sulfur molecules contained in heavy petroleum fractions, including organosulfur molecules, and in certain embodiments organonitrogen molecules are oxidized. The polar oxidized sulfur compounds shift from the oil phase to the asphalt phase.
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