Egyptian gas plant employs absorbents for Hg removal

12/11/2006
Initial mercury measurements in 2000 for gas upstream of Khalda Petroleum Co.’s Salam gas plant in Egypt’s Western Desert showed mercury content between 75 and 175 μg/std. cu m. Concern for the plant’s downstream aluminum heat exchangers led the company to decide, therefore, to install mercury-removal equipment.To avoid mercury condensation under pipeline conditions, mercury should be removed from sales gases to less than 20 μg/std. cu m.1The company evaluated two alternatives-UOP’s HgSIV adsorbents and Puraspec’s 1156 absorbents-for removing mercury from natural gas.This article will review the corrosion mechanism of mercury and aluminum, the a...
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