Method and means for treatment of soil
AssigneeDe National Geologiske UndersøGelser for Danmark Og GrøNland
InventorsKnud Erik Klint, Claus Kjøller, Hans Jørgen Lorentzen, Mads Terkelsen
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Abstract
Disclosed is a method for introducing a liquid, preferably aqueous, into a volume of a porous medium (typically clay or clay-rich soil), which has a matrix hydraulic conductivity below 10−7 m/s, comprising establishing at least one frozen section and at least one non-frozen section of said volume and introducing said liquid into said non-frozen section. Also disclosed is a method for remediation of a volume of such a porous medium as well as a system/assembly suitable for carrying out said method.
Claims32
A method for distributing a liquid medium into a volume of a porous medium, which has a matrix hydraulic conductivity below 10−7 m/s, comprising establishing at least one frozen section and at least one non-frozen section of said volume and introducing said liquid into said non-frozen section.
A system for introducing a liquid medium into a volume of a porous medium, which has matrix hydraulic conductivity, such as below 10−7 m/s, said system comprising
- at least one freezing unit inserted into said volume and being capable of establishing a frozen section of said volume,
- at least one delivery means inserted into said volume and being adapted to supply a liquid medium into a non-frozen section of said volume while a section of said volume is frozen in a section comprising said at least one freezing element,
- at least one first temperature gauge inserted into said volume in close proximity to said at least one freezing element, and
- at least one second temperature gauge inserted into said volume in close proximity to said at least one delivery means.
Dependencies are inferred from the claim text.