7501-190T/day Methanol Plant

7501 - 190T/day Methanol Plant

This Plant produces 17,270 lbs/hr (190 T/day) fuel grade methanol from steam saturated natural gas.
The plant was designed and constructed by Davy McKee in 1991 and shutdown in 2005.

The Methanol plant consists of the following five main process steps:

· Feedstock Desulfurization and Saturation

· Synthesis Gas Production and Heat Recovery

· Synthesis Gas Compression

· Crude Methanol Production

· Distillation

The plant receives 10,000 lbs/hr of 400 psig natural gas. Natural gas feedstock is desulfurized, saturated with steam in the saturator, preheated and then mixed with the remainder of process steam. The mixed steam is heated and then introduced into the Methanol Reformer.

The steam/natural gas feedstock mixture reacts in the reformer and produces synthesis gas at 1150 psig and 500F. A considerable amount of waste heat is available from the synthesis gas which is used by raising the steam, preheating natural gas feedstock and boiler feedwater. Waste heat from the flue gas from the reformer is recovered by raising steam, heating natural gas and steam feedstock and preheating combustion air.

Cooled synthesis gas is compressed using a 2500HP, 2 stage Reciprocating Compressor with an electric drive and 896 ACFM capacity. The gas then passes to the synthesis loop. After synthesis and heat exchange, crude methanol is condensed and separated. A continuous loop purge is maintained to keep the inerts at a level suitable for satisfactory methanol production. This purge is used to produce hydrogen and as a fuel source.

The crude methanol is refined in a single distillation column comprised of 93 trays with a 50 lb. steam reboiler to obtain fuel grade methanol product.

The utilities needed for this process are:

CW circulation 5655 gpm

Reformer Gas Consumption (PFD) 2966 scfm

Steam:

HP (400 lb) Steam (required) 65,567 lb/hr

LP Steam (required) 31,866 lb/hr

HP Steam Generated
from Reformer WH 51,721 lb/hr

Electricity (2500 HP motor) 2856 kW

Methanol Plant Resources

For More Information Contact Us at:
Gulf States - Information


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7501 - 190T/day Methanol Plant This Plant produces 17,270 lbs/hr (190 T/day) fuel grade methanol from steam saturated natural gas. The plant was designed and constructed by Davy McKee in 1991 and shutdown in 2005. The Methanol plant consists of the following five main process steps: · Feedstock Desulfurization and Saturation · Synthesis Gas Production and Heat Recovery · Synthesis Gas Compression · Crude Methanol Production · Distillation The plant receives 10,000 lbs/hr of 400 psig natural gas. Natural gas feedstock is desulfurized, saturated with steam in the saturator, preheated and then mixed with the remainder of process steam. The mixed steam is heated and then introduced into the Methanol Reformer. The steam/natural gas feedstock mixture reacts in the reformer and produces synthesis gas at 1150 psig and 500F. A considerable amount of waste heat is available from the synthesis gas which is used by raising the steam, preheating natural gas feedstock and boiler feedwater. Waste heat from the flue gas from the reformer is recovered by raising steam, heating natural gas and steam feedstock and preheating combustion air. Cooled synthesis gas is compressed using a 2500HP, 2 stage Reciprocating Compressor with an electric drive and 896 ACFM capacity. The gas then passes to the synthesis loop. After synthesis and heat exchange, crude methanol is condensed and separated. A continuous loop purge is maintained to keep the inerts at a level suitable for satisfactory methanol production. This purge is used to produce hydrogen and as a fuel source. The crude methanol is refined in a single distillation column comprised of 93 trays with a 50 lb. steam reboiler to obtain fuel grade methanol product. The utilities needed for this process are: CW circulation 5655 gpm Reformer Gas Consumption (PFD) 2966 scfm Steam: HP (400 lb) Steam (required) 65,567 lb/hr LP Steam (required) 31,866 lb/hr HP Steam Generated from Reformer WH 51,721 lb/hr Electricity (2500 HP motor) 2856 kW Methanol Plant Resources Methanol Plant Pictures Methanol Plant P&ID's PDF Methanol Plant Equipment List For More Information Contact Us at: Gulf States - Information
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