Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Patent
1983-04-13
1989-02-28
Pal, Asok
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
From nonhydrocarbon feed
585315, 585408, 585424, C07C 120
Patent
active
048087645
ABSTRACT:
A process for introducing a exothermic reactant vapor stream to an adiabatic catalyst zone comprising the steps of: preheating a volatile liquid exothermic reactant stream below its autogenous temperature under process pressure; contacting the preheated liquid reactant stream in a saturator unit with a hot diluent gas to vaporize the reactant stream in gaseous mixture with the diluent stream; directing the gaseous mixture from the saturator unit to the catalyst zone for exothermic conversion of the reactant under substantially adiabatic reaction conditions in the presence of diluent gas; recovering reaction products and diluent gas from the catalyst zone; separating diluent gas from the products, compressing and recycling the diluent gas to the saturator unit. Methods and apparatus are provided for use in a continuous catalytic MTG process for making gasoline boiling range hydrocarbons exothermically from a methanol-containing reactant stream diluted with a methane-rich recycle gas stream by contacting the diluted feedstock with a fixed bed of crystalline aluminosilicate zeolite catalyst in an adiabatic reaction zone at elevated temperature and pressure.
The recycle gas may be contacted with the liquid feedstock in a counter-current vertical tower operatively connected through an upper gas outlet to the reaction zone and wherein liquid feedstock flows downwardly under gravity through a saturation zone.
REFERENCES:
patent: 3931349 (1976-01-01), Kuo
patent: 3998899 (1976-12-01), Dariduk et al.
patent: 4044061 (1977-08-01), Chang et al.
patent: 4418236 (1983-11-01), Cornelius et al.
Perry, "Chemical Engineers' Handbook", 5th Ed., Chapter 18 (specifically pp. 1,19, and 49).
Fremuth Dietmar R. A.
Rogers Alan E.
Zahner John C.
Gilman Michael G.
McKillop Alexander J.
Mobil Oil Corporation
Pal Asok
Wise L. G.
LandOfFree
Methanol-gas saturator for catalytic conversion system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methanol-gas saturator for catalytic conversion system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methanol-gas saturator for catalytic conversion system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1368688