Transcription of Membrane Fuel Gas Conditioning
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Membrane Fuel Gas Conditioning
REPRINTED FROM HYDROCARBON ENGINEERING MAY 2000 During the last 15 years,gas separation withpolymer membraneshas become an important sep-aration technology. In the nat-ural gas industry, the principalapplication of membranes hasbeen the separation of carbondioxide from natural gas. Over200 systems have alreadybeen installed, with some unitsprocessing in excess of 100 MMSCFD. The membranesused in the CO2removal appli-cation are made from rigid,glassy polymers. MembraneTechnology & Research, Inc.(MTR) has developed andcommercialised a new mem-brane based process calledVaporSep . The enabling tech-nology of VaporSep is a rub-bery Membrane , which hasunique separation Membrane permeatescondensable vapours, such asC3+ hydrocarbons, aromatics,and water vapour, while reject-ing non-condensable gases,such as methane, ethane,nitrogen and based on these membranes were first commer-cialised in 1990.
cooled aftercooler. The heavy hydrocarbons are con-densed and recovered as a liquid. The high-pressure gas, saturated in heavy hydrocarbons, contains 6.2% of C
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