Presented at Spring Conference 2011, Copenhagen - 26 May, 2011
Ankur Jariwala & Rick Peters, Cameron Process Systems, Houston
Membranes are gaining wider industry acceptance for bulk removal of CO2 from natural gas streams. Efficient operation of membrane system is sometimes critical for several onshore and offshore production units. However, membranes can be susceptible to loss of performance and damage from variety of components in the gas stream, including heavy hydrocarbons, glycol, corrosion inhibitors, iron sulphate type solid particulates and other contaminants. In addition, mercury and excess amount of H2S removal must often be incorporated into membrane system designs. This paper discusses the appropriate pre-treatment system requirements for membranes, and how to design pre-treatment processes in order to address the common inlet gas impurities and contaminants that may compromise membrane performance.
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