Chemistry: electrical and wave energy – Processes and products – Electrophoresis or electro-osmosis processes and electrolyte...
Patent
1998-04-15
2000-09-12
Phasge, Arun S.
Chemistry: electrical and wave energy
Processes and products
Electrophoresis or electro-osmosis processes and electrolyte...
2042302, 2042306, B01D 1302
Patent
active
061172952
ABSTRACT:
A method for dehydrating a porous material using electro-osmosis, includes applying a pattern of D.C. voltage pulses to an anode system embedded in the porous material, wherein the anode system is electrically interactive with a cathode structure embedded in earth, and wherein the pattern of D.C. voltage pulses, has a pulse period T in a range from about 3 to about 60 seconds, and each pulse period T includes a positive pulse duration of T+ from about 0.7 T to about 0.97 T, a negative pulse duration of T- from about 0.01 T to about 0.05 T, and a neutral pulse duration of T.sub.p from about 0.02 T to about 0.25 T. In another embodiment, each pulse period includes two or more positive pulses separated by at least one of either a negative pulse or a neutral pulse, with the positive pulse duration being the combined duration of the two positive pulses.
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Bjerke Egil
Olson Henning
Drytronic, Inc.
Phasge Arun S,.
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