Oil refinery plant , chemical plant, coke plant and fertilizer plant generate plenty of waste  gases everyday.

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Some of low methane (CH4) natural gas can not be utilized before purified.

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Gas separation technology can improve the methane value and take out H2, C2H4, C3H6 ,CO2 and N2 for reutilization.

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Pressure Swing Adsorption (PSA) gas separation technology  can be operated in low cost and bring good payback for the operator and investor.

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CFE focuses on gas separation plant investment with PSA technology.