Process for preparing di-iso-butanes, di-iso-butenes and di-n-butenes from field butanes
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United States of America Patent
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Issued Date -
Feb 28, 2002
app pub date -
Jul 31, 2001
filing date -
Jul 31, 2000
priority date (Note) -
Abandoned
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Abstract
Butene oligomers and di-iso-butane are prepared from field butanes by a process, which comprises: (a) dehydrogenating n-butane and iso-butane present in the field butanes 1 in a dehydrogenation stage 2; (b) oligomerizing the dehydrogenation mixture 3 in an oligomerization stage 8; (c) separating di-iso-butene, di-n-butene and residual gas from the oligomerization mixture; and (d) hydrogenating di-iso-butenes to give di-iso-butanes.
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