The United States Office of Naval Research and Ocean Pacific Technologies (OPT) are working to develop and test new energy recovery and pumping technologies aimed at improving the efficiency of smaller and medium sized SWRO systems. OPT has developed a new hybrid design termed an axial piston-pressure exchanger (AP-PX) pump. The AP-PX is a combinat...

Life cycle cost analysis and application review of water lubricated Axiel Piston (AP) positive displacement pumps vs. centrifugal (turbine) pumps with energy recovery devise (EDR) in SWRO systems....