E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
349/49, 166/54
E21B 37/00 (2006.01) B01D 43/00 (2006.01) B01J 19/10 (2006.01) B09C 1/00 (2006.01) B09C 1/02 (2006.01) C02F 1/36 (2006.01) E21B 43/00 (2006.01)
Patent
CA 2036364
ABSTRACT Described is a method and an apparatus for the decontamination of the subsoil formation, whereas groundwater is produced over long periods of time to remove especially the highly volatile halogenated hydrocarbons, causing contaminants to be flushed out and contaminants separated from the groundwater at the surface (stripping). In order to also be able to remove contaminants having higher specific gravities and contaminants with a low solubility in water, it is proposed to vibrate the water- saturated soil/rock zone by means of an acoustic transmitter. For this purpose, the acoustic transmitter consists of two plate-like elements as membrane between which there is a coil (figure 1).
Husten Peter F.
Marks & Clerk
LandOfFree
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