Process for producing M-xylene from O-xylene
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United States of America Patent
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Feb 20, 1990
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N/A
app pub date -
Oct 4, 1988
filing date -
Oct 5, 1987
priority date (Note) -
Expired
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Abstract
A process for producing m-xylene, which comprises isomerizing a hydrocarbon material containing o-xylene as a main ingredient in the presence of a catalyst composition comprising zeolite ZSM-4 and/or zeolite omega under such conditions that m-xylene is selectively formed, and recovering m-xylene by distillation from the resulting isomerization mixture containing o-xylene and m-xylene as main ingredients.
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