CPC Definition - Subclass B09C

Last Updated Version: 2019.01
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)
Definition statement

This place covers:

Different devices and methods of reclaiming contaminated soil.

References
Limiting references

This place does not cover:

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

Informative references

Attention is drawn to the following places, which may be of interest for search:

Treatment of water, waste water, sewage or sludge, e.g. separation of contaminants from water

C02F

Glossary of terms

In this place, 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 place 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

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{involving in-situ ground water treatment}
Definition statement

This place covers:

Any type of in-situ ground water treatment.

Example: CH-A5-696639

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{Extraction of vapours or gases using vacuum or venting}
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of soil venting.

Example: US-A1-2009/080979

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Degasification of liquids

B01D 19/00

Degasification of water, waste water, or sewage

C02F 1/20

Extraction using liquids, e.g. washing, leaching {, flotation}
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of contacting the

contaminated soil with a liquid.

Example: DE-A1-4228966

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Extracting solids from liquids

B01D 11/02

Gravity separation of suspended solid particles from liquids

B01D 21/00

Flotation of contaminants from water, waste water, or sewage

C02F 1/24

Extraction of contaminants from water, waste water, or sewage

C02F 1/26

thermally (incinerators for contaminated soil F23G 7/14)
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of a thermal

treatment, such as desorbing, volatilizing.

Example: WO-A1-2007046688

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References
Limiting references

This place does not cover:

Incinerators for contaminated soil

F23G 7/14

{by vitrification}
Definition statement

This place covers:

Rendering contaminated soil harmless by means of vitrification.

Example: WO-A1-94/04761

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chemically (chemical means for combating harmful chemical agents A62D 3/00)
Definition statement

This place covers:

Rendering contaminated soil harmless by means of chemical treatment.

Removing contaminants from contaminated soil by means of chemical

treatment. Binding of soil contaminants.

References
Limiting references

This place does not cover:

Chemical means for combating harmful chemical agents

A62D 3/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Removal of contaminants by addition of specific substances

C02F 1/68

Removal of contaminants from water, waste water, or sewage by reduction

C02F 1/70

Removal of contaminants from water, waste water, or sewage by oxidation

C02F 1/72

{electrochemically, e.g. by electrokinetics}
Definition statement

This place covers:

Electrochemical treatment of contaminated soil.

Example: US-A-5458747

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Electrochemical treatment of water, waste water, or sewage

C02F 1/46

microbiologically, {biologically} or by using enzymes
Definition statement

This place covers:

Rendering contaminated soil harmless by means of biological treatment.

Removing contaminants from contaminated soil by means of biological

treatment.

Example: US-B1-6796741

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Biological treatment of water, waste water, or sewage

C02F 3/00

{using fungi or plants}
Definition statement

This place covers:

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

Example: US-A1-2004/101945

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References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Treatment of water, waste water, or sewage using plants

C02F 3/32