I second grt12, your probelm is because of hydrocarbon condensation, Liquid Hydrocarbon in the Amin contactor is the main cause of foaming. based on your gas compostion, draw the gas envelop and see where is your operating point relative to the dew point curve. You have to maintain it above the...
In our company we use liquid nitrogn from a local vender, it is quit expensive, so we decided to buy a small nitrogen generator ( membrane type , produce nitrogen in a gas phase) to supply our normal use. The capacity is 20000 scfh, during abnormal demand use liquid nitrogen because it is not...
