Staged liquid phase methanol process

Details Staged liquid phase methanol process Staged liquid phase methanol process

1991-03-01

1993-01-12

Mars, Howard T.

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

518706, C07C 2706, C07C 2708

Patent

active

051791293

ABSTRACT:
Methanol is produced from synthesis gas comprising hydrogen, carbon monoxide, and carbon dioxide in a two-stage liquid phase reactor system. Each reactor is operated in an optimum temperature range to maximize methanol productivity, and once-through product conversion of up to 9.1 moles methanol per 100 moles of synthesis gas can be achieved with reasonable catalyst utilization. Overall catalyst utilization is increased by countercurrent catalyst transfer. In an alternate mode of operation, the liquid phase reactor system is integrated with a coal gasification combined cycle (CGCC) power generation process wherein the unreacted synthesis gas is used as fuel in a gas turbine-driven electric power generator. Operation of each liquid phase reactor in the optimum temperature range maximizes the available heat of reaction which is recovered as steam; the steam is utilized in the gas turbine combustor or the CGCC steam turbine. Methanol from the liquid phase reactor system can be used as peak shaving fuel for the gas turbine.

REFERENCES:
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patent: 4540712 (1985-09-01), Dombek
patent: 4608818 (1986-09-01), Goebel et al.
patent: 4665688 (1987-05-01), Schiffers et al.
patent: 4766154 (1988-08-01), Bonnell et al.
patent: 4946477 (1990-08-01), Perka et al.

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