High Quality Content by WIKIPEDIA articles! Osmotic power or salinity gradient power is the energy retrieved from the difference in the salt concentration between seawater and river water Two practical methods for this are reverse electrodialysis (RED) and pressure retarded osmosis (PRO) Both processes rely on osmosis with ion specific membranes однщх The key waste product is brackish water This byproduct is the result of natural forces that are being harnessed: the flow of fresh water into seas that are made up of salt water. Windows2010 г Мягкая обложка, 100 стр ISBN 6130373554.