Claims
- 1. A geocomposite comprising:
at least one first layer of geosynthetic material; at least one second layer of geosynthetic material; and at least one third layer composed of at least some reactive material, said at least one third layer affixed between said first and second layers, wherein said geocomposite may be employed to remediate sediments.
- 2. The geocomposite of claim 1 in which said geosynthetic material is commercially available.
- 3. The geocomposite of claim 2 in which said commercially available geosynthetic material is selected from the group consisting of woven, non-woven, and combinations of woven and non-woven geosynthetic material.
- 4. The geocomposite of claim 1 in which said reactive material is commercially available.
- 5. The geocomposite of claim 4 in which said commercially available reactive material is selected from the group consisting of activated carbon, zeolites, particulate polymers, granular forms of commercially available chemical adsorption materials, activated carbon fabric commercially available in sheets, geosynthetic drainage net incorporating pores for holding granular reactive material, and combinations thereof.
- 6. A remediation configuration comprising:
a geocomposite comprising:
at least one first layer of geosynthetic material; at least one second layer of geosynthetic material; and at least one third layer composed of at least some reactive material, said at least one third layer affixed between said first and second layers, and a layer of surcharge materials placed above said geocomposite, wherein said remediation configuration may be employed to remediate sediments.
- 7. The remediation configuration of claim 6 in which said geosynthetic material is commercially available.
- 8. The remediation configuration of claim 7 in which said commercially available geosynthetic material is selected from the group consisting of woven, non-woven, and combinations of woven and non-woven geosynthetic material.
- 9. The remediation configuration of claim 6 in which said reactive material is commercially available.
- 10. The remediation configuration of claim 9 in which said commercially available reactive material is selected from the group consisting of activated carbon, zeolites, particulate polymers, granular forms of commercially available chemical adsorption materials, activated carbon fabric commercially available in sheets, geosynthetic drainage net incorporating pores for holding granular reactive material, and combinations thereof.
- 11. The remediation configuration of claim 6 in which said surcharge materials are selected from the group consisting of riprap, gravel, sand, and combinations thereof.
- 12. A method for remediating sediments, comprising:
deploying a geocomposite in a plane, said geocomposite having at least a topmost edge when deployed approximately vertically and comprising:
at least one layer of geosynthetic material, wherein at least one said at least one layer is composed of at least some reactive material, and covering said geocomposite with a layer of surcharge materials, wherein if more than one layer is used in said geocomposite, each of said layers is arranged approximately parallel to each other in said plane, and wherein said method facilitates remediating sediments.
- 13. The method of claim 12 in which said layer of surcharge materials is deployed over said geocomposite along said plane.
- 14. The method of claim 13 in which said plane is approximately horizontal.
- 15. The method of claim 13 in which said plane is approximately vertical, wherein said layer of surcharge materials is deployed above said topmost edge and over the surface horizontally adjacent to said topmost edge for the length of said topmost edge.
- 16. The method of claim 12 in which said geosynthetic material is commercially available.
- 17. The method of claim 16 in which said commercially available geosynthetic material is selected from the group consisting of woven, non-woven, and combinations of woven and non-woven geosynthetic material.
- 18. The method of claim 12 in which said reactive material is commercially available.
- 19. The method of claim 18 in which said commercially available reactive material is selected from the group consisting of activated carbon, zeolites, particulate polymers, granular forms of commercially available chemical adsorption materials, activated carbon fabric commercially available in sheets, geosynthetic drainage net incorporating pores for holding granular reactive material, and combinations thereof.
- 20. The method of claim 12 in which said surcharge materials are selected from the group consisting of riprap, gravel, sand, and combinations thereof.
- 21. A geocomposite for remediating sediments comprising:
at least one layer of geosynthetic material, wherein at least one of said at least one layers is composed of at least some reactive material.
- 22. The geocomposite of claim 21 in which said geosynthetic material is commercially available.
- 23. The geocomposite of claim 22 in which said commercially available geosynthetic material is selected from the group consisting of woven, non-woven, and combinations of woven and non-woven geosynthetic material.
- 24. The geocomposite of claim 21 in which said reactive material is commercially available.
- 25. The geocomposite of claim 24 in which said commercially available reactive material is selected from the group consisting of activated carbon, zeolites, particulate polymers, granular forms of commercially available chemical adsorption materials, activated carbon fabric commercially available in sheets, geosynthetic drainage net incorporating pores for holding granular reactive material, and combinations thereof.
- 26. A remediation configuration for remediating sediments comprising:
a geocomposite comprising:
at least one layer of geosynthetic material, wherein at least one of said at least one layers is composed of at least some reactive material; and a layer of surcharge materials placed above said geocomposite.
- 27. The remediation configuration of claim 26 in which said geosynthetic material is commercially available.
- 28. The remediation configuration of claim 27 in which said commercially available geosynthetic material is selected from the group consisting of woven, non-woven, and combinations of woven and non-woven geosynthetic material.
- 29. The remediation configuration of claim 26 in which said reactive material is commercially available.
- 30. The remediation configuration of claim 29 in which said commercially available reactive material is selected from the group consisting of activated carbon, zeolites, particulate polymers, granular forms of commercially available chemical adsorption materials, activated carbon fabric commercially available in sheets, geosynthetic drainage net incorporating pores for holding granular reactive material, and combinations thereof.
- 31. The remediation configuration of claim 26 in which said surcharge materials are selected from the group consisting of riprap, gravel, sand, and combinations thereof.
RELATED APPLICATIONS
[0001] This application claims the benefit of prior co-pending U.S. Provisional Patent Application Serial No. 60/283,291, “Reactive Geocomposite For Remediating Contaminated Sediments,” by Sheahan et al., filed Apr. 11, 2001.
STATEMENT OF GOVERNMENT INTEREST
[0002] The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.
Provisional Applications (1)
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Number |
Date |
Country |
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60283291 |
Apr 2001 |
US |