9458

Methyl Tert-Butyl Ether (MTBE) Decomposition with a Reactive Distillation Unit

This Demonstration simulates a reactive distillation column that produces iso-butene and methanol from the decomposition of methyl tert-butyl ether (MTBE). The reaction is MTBE ⇌ iso-butene + methanol. The column is fed with pure MTBE at stage 8. The reactive stages range from 6 to 11. The column has 16 stages, a partial reboiler, and a total condenser. For low Damköhler numbers (with molar hold-up equaling zero), methanol and iso-butene are not formed and the only species present in the column is MTBE. At high Damköhler numbers, we get almost pure methanol as a bottom and pure iso-butene as a distillate.

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DETAILS

K. Huang and S. J. Wang, "Design and Control of a Methyl Tertiary Butyl Ether (MTBE) Decomposition Reactive Distillation Column," Ind. Eng. Chem. Res., 46(8), 2007 pp. 2508–2519.
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