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RECLAMATION OF CONTAMINATED SOIL (gatherers for removing stone or the like from the soil A01B 43/00; sterilising soil by steam A01G 11/00; processes for making harmful chemical substances harmless or less harmful by effecting chemical change in the substance A62D 3/00; separation in general B01D; cleaning beaches E01H 12/00; removing undesirable matter, e.g. rubbish, from the land E01H 15/00)
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Reclamation
the partial or total elimination or the fixing of contaminants in soil.
Reclamation of contaminated soil
Definition statement
This subclass/group covers:

Removing contaminants from contaminated soil. Reclamation of contaminated

soil comprising systems and methods generally applicable to any type of

reclamation of contaminated soil.

Example: FR-A1-2872719

[N: involving in-situ ground water treatment]
Definition statement
This subclass/group covers:

Any type of in-situ ground water treatment.

Example: CH-A5-696639

[N: Extraction of vapours or gases using vacuum or venting]
Definition statement
This subclass/group covers:

Removing contaminants from contaminated soil by means of soil venting.

Example: US-A1-2009/080979

Extraction using liquids, e.g. washing, leaching, [N: flotation]
Definition statement
This subclass/group covers:

Removing contaminants from contaminated soil by means of contacting the

contaminated soil with a liquid.

Example: DE-A1-4228966

thermally (incinerators for contaminated soil F23G 7/14)
Definition statement
This subclass/group covers:

Removing contaminants from contaminated soil by means of a thermal

treatment, such as desorbing, volatilizing.

Example: WO-A1-2007046688

[N: by vitrification]
Definition statement
This subclass/group covers:

Rendering contaminated soil harmless by means of vitrification.

Example: WO-A1-94/04761

chemically (chemical means for combating harmful chemical agents A62D 3/00)
Definition statement
This subclass/group covers:

Rendering contaminated soil harmless by means of chemical treatment.

Removing contaminants from contaminated soil by means of chemical

treatment. Binding of soil contaminants.

[N: electrochemically, e.g. by electrokinetics]
Definition statement
This subclass/group covers:

Electrochemical treatment of contaminated soil.

Example: US-A-5458747

microbiologically, [N: biologically] or by using enzymes
Definition statement
This subclass/group covers:

Rendering contaminated soil harmless by means of biological treatment.

Removing contaminants from contaminated soil by means of biological

treatment.

Example: US-B1-6796741

[N: using fungi or plants]
Definition statement
This subclass/group covers:

Removing contaminants from contaminated soil by means of fungi or plants.

Example: US-A1-2004/101945

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013