Comparison of Ion Transport Membranes Kirsten Foy, Dublin Institute of Technology Jim McGovern, Dublin Institute of Technology. Abstract One promising Zero Emissions Power Plant approach requires fuel to be combusted in a mixture of oxygen and carbon dioxide, to aid the later capture and sequestration of carbon dioxide. However current methods of oxygen production are energy intensive and so reduce the efficiency and power output of the plant. A relatively new technology, which can solve this problem, involves Ion Transport Membranes (ITMs), which are permeable to oxygen and no other substance and require significantly less energy per unit of oxygen than current methods of oxygen production.