January 2011

Special Report: Gas Processing Developments

Advanced chemical process for treating sour gas

Technology avoids huge capital investments while speeding up results

Current gas-sweetening technology requires plants to treat at least 1 million standard cubic meters per day (MMm3/d) of gas to be economically feasible. This article presents a versatile technology that can be profitably applied to any gas flow from 10 thousand standard cubic meters per day (Mm3/d) up to several million with the benefit of reducing setup periods. This technology (Fig. 1) has been proven over five years in a gas-compression plant where sulfur and mercaptans (RSH) contamination unexpectedly rose from 150 ppm to 1,000 ppm. This allowed the company to comply with an existing commercial agreement for 100 Mm3/d.     Fig. 1. The technology and concep

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