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USE OF A GAS GENERATOR IN CONJUNCTION WITH COAL BED METHANE

IP.com Disclosure Number: IPCOM000124354D
Publication Date: 2005-Apr-15
Document File: 2 page(s) / 41K

Publishing Venue

The IP.com Prior Art Database

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USE OF A GAS GENERATOR IN CONJUNCTION WITH COAL BED METHANE

Invention Summary

Use of enhanced coal bed methane (ECBM) in conjunction with a gas generator is described.  The process would allow for a lot of flexibility and improve the efficiency of the system.

Invention Description

The use of enhanced coal bed methane in conjunction with a gas generator to produce power is described.  Carbon dioxide is pumped into the soil where methane is available and a gas comprising a mixture of carbon dioxide and methane is obtained at a pressure of about 5-10 bars.  This gas is expanded in a turbine to generate a small portion of the overall power.  The gas mixture is separated into methane and carbon dioxide streams while the methane is sent to a gas generator.  The methane is combusted in the gas generator along with oxygen and water to produce a large quantity of gas at high temperature and pressure that is expanded through a turbine to generate power.  These gases are then sent to a condensor where the water is condensed and recycled back into the gas generator.  This process essentially combines the CES cycle from a different invention disclosure to coal bed methane and attempts to integrate all the processes involved to make the system more efficient.  A schematic of the process described above is shown in Fig. 1.

Fig. 1 Schematic of the process for use with coal bed methane


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