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[guoyinyanliner]

Natural gas CO2 removal via membrane separation: The feed gas enters a shell-and-tube heat exchanger to be heated to 35°C by hot water before entering the 1st-stage permeation membrane. The separated permeate gas is compressed and sent to the 2nd-stage membrane separation, after which the retentate/residue gas is recycled back to the inlet, while the 2nd-stage permeate gas is sent to the generator set for power generation. Is anyone familiar with this P&ID? Are there any control flow diagrams available? I would like to study which points require enhanced control