July 2007

Special Report: Liquefied Natural Gas Developments

Unwanted sulfur contamination in natural gas

Minimize the effect this element has on your processing systems

Chesnoy, A. B., Consultant; Pack, D. J., Woodside Research Facility

The "black powder" contamination issue within natural gas (NG) processing and pipeline systems is well known and relatively widespread. A more recent and rapidly growing additional contamination problem for gas processing and pipeline operators is the "elemental sulfur" deposition problem. It has only been about 20 years that elemental sulfur (ES) deposition has openly been acknowledged1 as a problem in NG pipelines and other facilities both within and downstream of gas processing plants. Over the past 15 years, this formation/deposition process has been more widely observed. The increasing trend to have transmission pipeline systems operating at higher pressures is a significant facto

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