Method for purification of mixtures comprising MTBE as well as production of isobutene by splitting of mixtures comprising MTBE

摘要

The present invention relates to a process for efficient purification of MTBE-containing mixtures and for preparation of isobutene by cracking of MTBE-containing mixtures.

主权项

1. A process for purifying technical MTBE, the process comprising distillatively separating a technical MTBE (I) comprising MTBE, methanol, C4 hydrocarbons, C5 hydrocarbons and acetone, into:
a top product (II) comprising C4 and C5 hydrocarbons, a side stream (III) comprising acetone, methanol and MTBE, and a bottom product (IV) comprising MTBE.