Method for dehydrating capillary materials

Details Method for dehydrating capillary materials Method for dehydrating capillary materials

1996-10-11

1998-05-26

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

B01D 1302

Patent

active

057559457

ABSTRACT:
A method for dehydrating capillary materials such as moist walls and/or floors of a building structure of masonry or concrete through the principle of electro-osmosis by applying pulsating DC voltage of a specific pulse pattern to primary electrode means embedded in said structure, said primary electrode means (4) forming anode means, and secondary electrode means (5) embedded in the ground outside the structure and forming cathode means to be interactive with said anode means, said pulsating voltage having a pulse pattern with a total pulse period T, comprised of a positive pulse of duration T+, a negative pulse of duration T-, and a neutral period or pause of duration Tp, wherein:

REFERENCES:
patent: 4600486 (1986-07-01), Oppitz
patent: 5015351 (1991-05-01), Miller
patent: 5368709 (1994-11-01), Utklev

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