Natural gas is located below the surface of the reservoir which may contain impurities that are not desirable at the time of sale, for example H2S and CO2. These impurities can cause technical problems that can damage the environment and cause corrosion in pipelines. to treat sour gas contained in sour natural gas (25 MMSCFD, 1.7 mol% H2S and 4.13 mol% CO2) in the industrial world, the allowabl…