Oxygenate removal in MTBE process

Details Oxygenate removal in MTBE process Oxygenate removal in MTBE process

1993-04-05

1994-08-09

Mc Farlane, Anthony

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

585833, 203 28, 203DIG6, C07C 710

Patent

active

053368410

ABSTRACT:
A process is provided to remove oxygenates from a C.sub.4 raffinate stream from an MTBE plant. A back-cracking catalyst is placed into the bottom of an oxygenate removal column which will convert any MTBE or TBA contained therein back to their original components of isobutene and methanol or water. The raffinate stream is first subjected to a water wash to remove the gross amounts of methanol and DME.

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patent: 4482775 (1984-11-01), Smith
patent: 4504687 (1985-03-01), Jones
patent: 4918243 (1990-04-01), Smith
patent: 5122236 (1992-06-01), Smith, Jr. et al.

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