Process and an apparatus for preparation of petroleum hydrocarbon solvent with improved color stability from nitrogen rich crude oil
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United States of America Patent
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Oct 19, 2004
Grant Date -
Aug 14, 2003
app pub date -
Mar 4, 2002
filing date -
Dec 10, 2001
priority date (Note) -
Expired
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Abstract
A process and an apparatus for the preparation of petroleum hydrocarbon solvent with improved color stability from crude oils having high concentration of nitrogenous compounds which comprises passing said petroleum hydrocarbon stream containing substantial amount of nitrogenous compounds over a column of molecular sieves modified clays at ambient to elevated temperature and pressure maintaining the feed in the liquid state, thereby obtaining the petroleum hydrocarbon stream with desired color stability.
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