Distillation process for removal of methyl acetylene and/or...

Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By plural serial diverse separations

Reexamination Certificate

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C585S809000, C585S836000, C585S867000, C203S003000, C203S043000, C203S068000, C203S070000

Reexamination Certificate

active

10325396

ABSTRACT:
The present invention provides a process for removing methyl acetylene and/or propadiene from a propylene stream and/or a butylene stream by two step fractionation. Methyl acetylene and/or propadiene avoids the use of a hydrogenation reactor and makes the methyl acetylene and/or propadiene recoverable from the process.

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