January 2008

Special Report: Gas Processing Developments

Improve process control in gas plants using tunable diode laser spectroscopy

This analyzer technology is replacing conventional sensors to improve the bottom line

Shah, K., Aker Solutions US, INC.

Confronted with increasing costs and product integrity issues, the hydrocarbon processing industry has become increasingly dependent on sensors for detecting and measuring impurities in gas streams. For some sensing technologies, this can be a hit-or-miss situation that can compromise process control and result in costly actions including high maintenance costs, unplanned shutdowns and unanticipated shut-ins. Gas processing plants require fast and accurate moisture (H2O), hydrogen sulfide (H2S) and carbon dioxide (CO2) measurements because these contaminants damage expensive equipment such as turbo-machinery and pipelines, shorten desiccant, contactor or mole sieve lifetimes, and threaten

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