Thursday, 27 March 2008
Retrieved from Wikipedia:
Blue energy
From Wikipedia, the free encyclopedia
Blue energy, osmotic power plant 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 [1] (RED), or Pressure Retarded Osmosis [2] (PRO).
Both processes rely on osmosis with ion specific membranes. 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.
The technologies have been confirmed in laboratory conditions. They are being developed into commercial use in the Netherlands (RED) and Norway (PRO). The cost of the membrane has been an obstacle. A new, cheap membrane, based on an electrically modified polyethylene plastic, made it fit for potential commercial use.
Seriously I have no idea wat type of energy is retrieved, but who noes one day it may be able to produce electricity!
Retrieved from Wikipedia:
Blue energy
From Wikipedia, the free encyclopedia
Blue energy, osmotic power plant 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 [1] (RED), or Pressure Retarded Osmosis [2] (PRO).
Both processes rely on osmosis with ion specific membranes. 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.
The technologies have been confirmed in laboratory conditions. They are being developed into commercial use in the Netherlands (RED) and Norway (PRO). The cost of the membrane has been an obstacle. A new, cheap membrane, based on an electrically modified polyethylene plastic, made it fit for potential commercial use.
Seriously I have no idea wat type of energy is retrieved, but who noes one day it may be able to produce electricity!
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