Methods and devices for liquid extraction
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United States of America Patent
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Issued Date -
Dec 11, 2003
app pub date -
May 13, 2003
filing date -
Jun 11, 2002
priority date (Note) -
Abandoned
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Abstract
Devices for performing liquid extraction of one or more constituents from one fluid to another fluid are provided. In operation, the fluids are separated by channel structures that stabilize the interfacial boundary between the fluids allowing, for example, countercurrent flow and exchange or other flow conditions incompatible with unassisted maintenance of laminar flow. Also provided are channel structures which aid in mixing the fluids. Thin membranes may be formed using liquid extraction devices according to the invention. A process for manufacturing such devices using DRIE is described.
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