Process for cracking tertiary butyl alcohol in a reaction distil

Details Process for cracking tertiary butyl alcohol in a reaction distil Process for cracking tertiary butyl alcohol in a reaction distil

1997-05-30

1998-12-15

Wood, Elizabeth D.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

585638, 585640, 203 29, 203 99, 203DIG6, C07C 120, B01D 334

Patent

active

058499717

ABSTRACT:
The present invention is directed to a process for the acid-catalyzed cracking of tertiary butyl alcohol in a reaction distillation column. The advantage of the process of the present invention compared with conventional processes is that the two-phase, liquid-liquid region of the tertiary system TBA/water/isobutene is avoided and a high space-time yield is achieved. This is achieved by the arrangement of the catalyst pack above the liquid phase zone (bottom) and by the use of a dephlegmator thus achieving the isolation of isobutene of high purity.

REFERENCES:
patent: 4002042 (1977-01-01), Pryor et al.
patent: 5231234 (1993-07-01), Robert P. Arganbright et al.
patent: 5248836 (1993-09-01), Bakshi et al.
patent: 5431888 (1995-07-01), Hickey et al.
patent: 5507856 (1996-04-01), Rao et al.

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