Patent ID: 7753991

Claim:
A water transport assembly, comprising: a first evaporator including: a first housing including a first chamber, a sample inlet port and a sample outlet port, both of said ports being in fluid communication with said first chamber; a first flat thin ion exchange membrane of the sulfonic acid type attached to said housing in a plane over said first chamber to seal said first chamber in a vapor tight seal; said first flat thin ion exchange membrane being between about 0.1 and about 3.0 mils in thickness; a second evaporator including: a second housing including a second chamber, a second sample inlet port and a second sample outlet port, both of said ports being in fluid communication with said second chamber; a second flat thin ion exchange membrane of the sulfonic acid type attached to said housing in a plane over said second chamber to seal said second chamber in a vapor tight seal; said second flat thin ion exchange membrane being between about 0.1 and about 3.0 mils in thickness; said first evaporator and said second evaporator connected to one another in a multiple effect evaporator configuration.