Description  Claims  Drawing  Cited references 

WO2011135048A   [0007]  [0048] 
WO2007138327A   [0010] 
US2008185346A   [0010] 
GB2450269A   [0030] 
US7144511B   [0062] 

Environmental Science and Technology   [0007] 
Capacitive deionization as an electrochemical means of saving energy and delivering clean water. Comparison to present desalination practices: Will it compete?   [0007] 
Is reverse osmosis effective for produced water purification ? Viability and economic analysis   [0009]