Method and system for processing natural gas using a rotary...

Gas separation: processes – Compressing and indirect cooling of gaseous fluid mixture to... – And liquid contact

Reexamination Certificate

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Details

C060S902000, C095S161000, C095S169000, C095S186000, C095S187000, C096S202000, C096S218000, C096S219000, C418S201100

Reexamination Certificate

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11183277

ABSTRACT:
Method and system for processing natural gas containing contaminants through the use of one or more rotary screw compressors. A natural gas containing a contaminant (e.g., water or carbon dioxide and/or hydrogen sulfide) and a contaminant removing agent are combined and processed within a rotary screw compressor. The contaminant removing agent may be a dehydrating agent such as a glycol or a carbon dioxide and/or hydrogen sulfide removing agent such an amine. The method and system of the present invention also may employ a series of rotary screw compressors to process natural gas containing a plurality of contaminants.

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“Screw Compressors: A Comparison of Applications and Features to Conventional Types of Machines,” 2000, J. Trent Bruce, Toromont Process Systems, Calgary, Alberta, Canada.

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