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The AAPG/Datapages Combined Publications Database

Southeast Asia Petroleum Exploration Society (SEAPEX)


Offshore South East Asia Conference, 1996
Pages 73-85

Natural Gas Sweetening by the Combination of Semi-Permeable Membranes and Fixed Bed Chemical Absorbents

Steve B. Heinemann, Colin Woodward


The combination of a semi-permeable membrane system with a fixed bed chemical absorbent has been shown to be a convenient and reliable way to meet sales gas specification. These technologies are particularly suited to remote locations, including offshore, where there are limitations on space, weight and labour availability.

Boral Energy Resources Ltd has been operating a 26 MMscfd natural gas processing plant at Beharra Springs, Western Australia since 1993. Carbon dioxide is reduced to the required 4% (max) by the membrane which also lowers the H2S from 10 ppmv to 5–6 ppmv. Final polishing to the required 3.0 ppmv is provided by a non-regenerable chemical absorbent.

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