The Affordable Desalination Collaboration (ADC) is working to make seawater desalination using reverse osmosis (SWRO) more energy efficient and more cost effective. One objective of the ADC is to provide a platform by which cutting edge technologies can be tested and measured for their ability to reduce the overall cost of the SWRO treatment proce...

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...

There are new kinds of flow schemes that can reduce the cost of higher recovery seawater and brackish water systems. Under normal operating conditions, there is minimal mixing from the concentrate to the feed flow streams. This concept involves decreasing the low pressure system feed flow while maintaining the high pressure concentrate flow through...

This presentation is the results of the Affordable Desalination Collaboration testing. The testing demonstrated desalination of graater than 50% and as high as 65% was possible. A variety of membrane elements and treatment schemes were evaluated....

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....