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US-12152232-B2 · Nov 26, 2024 · US
Organic biofilm substrata as a microbial inoculum delivery vehicle for bioaugmentation of persistent organic pollutants in contaminated sediments and soils
US8945906B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8945906-B2 |
| Application number | US-201113177436-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 6, 2011 |
| Priority date | Jul 6, 2010 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
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Abstract
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A system and methods for removal of persistent organic pollutants (POPs) from an environment, where the system includes an inert and organic biofilm substrata as biofilm media for dual use: 1) inoculation of microorganisms to degrade POPs and 2) accumulation of POPs on the substrata, effective in maintaining bioavailable concentrations for sustaining microbial activity. Microorganisms capable of degrading or transforming POPs are actively associated with the substrata as a biofilm. Application of this delivery vehicle will enhance the microbial degradation of POPs, while simultaneously adsorbing hydrophobic POPs from the environment making them bioavailable for the microorganisms located in the formed biofilms and additionally lowering the aqueous concentration of POPs that have detrimental effects towards fish and mammals as they bioaccumulate through the food chain.
First claim
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What is claimed is: 1. A system for at least partially degrading persistent organic pollutants (POPs) in soil or sediment, the system comprising: an inert substratum effective to adsorb hydrophobic POPs from the soil or sediment, said inert substratum comprising granular activated carbon; and a biofilm on the substratum, wherein the biofilm comprises an active inoculum; wherein POPs comprise polychlorinated biphenyls (PCBs), and wherein the active inoculum comprises dehalorespir…
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- What does patent US8945906B2 cover?
- A system and methods for removal of persistent organic pollutants (POPs) from an environment, where the system includes an inert and organic biofilm substrata as biofilm media for dual use: 1) inoculation of microorganisms to degrade POPs and 2) accumulation of POPs on the substrata, effective in maintaining bioavailable concentrations for sustaining microbial activity. Microorganisms capable o…
- Who is the assignee on this patent?
- Sowers Kevin R, Kjellerup Birthe, Ghosh Upal, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C12N1/20. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).