Alvin Samuels Gas Sweetener Associates Inc. Metairie, La. Use of a new material as a replacement product for iron sponge (wood chips) for H2S removal has been introduced at two Shell Western E&P central production facilities in Michigan. At the Chester 21 facility, operating costs between March and August 1989 were reduced by 13% over the same period for 1988. Winter savings are projected at 21%. The new trademarked material is named SulfaTreat. It is a dry, free-flowing material being used in patented and patent-pending processes for selective removal of up to 2,800 ppm of H2S. The material is non-toxic, nonpyrophoric, and environmentally safe in both it...

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