Membrane distillation process and membrane distillation device
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United States of America Patent
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Oct 4, 2011
Grant Date -
Jan 1, 2009
app pub date -
Nov 9, 2006
filing date -
Nov 11, 2005
priority date (Note) -
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Abstract
In a membrane distillation process in which a liquid to be concentrated is separated from a vapor space (11) by a vapor-permeable liquid- or water-tight membrane or membrane wall (13), to set the absolute pressure of the liquid to be concentrated a reduced pressure is imparted to this which lowers the absolute pressure of the liquid to be concentrated. A corresponding membrane distillation device is also specified.
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