Bioremediation of soil and groundwater
AssigneeTersus Environmental LLC
InventorsJohn Archibald, Gary M. Birk
Life of this patent
Estimating the term…
Abstract
A composition for the bioremediation of soil or groundwater includes 35 to 60% by weight of an emulsifiable C4-C22 vegetable oil such as soybean or corn oil, about 60-35% by weight of a non-ionic surfactant/co-surfactant blend such as Tween 80®/Labrafil® mixed with Kolliphor EL®/Waglinol®, and about 0-12% by weight water.
Claims9
A formulation for the bioremediation of soil or groundwater comprising 35 to 60% of an emulsifiable C5-C22 vegetable oil selected from the group consisting of soybean oil, corn oil, coconut oil, canola oil, peanut oil, sunflower oil, olive oil, crambe oil, and mixtures thereof;
- and about 60-35% of a non-ionic surfactant/co-surfactant blend consisting of polyoxyethylene sorbitan monooleate/oleyl polyoxyglycerides in a ratio of 2:1 mixed with polyoxyethylated castor oil/caprylic capric triglycerides in a ratio of 1:2.
A formulation for the bioremediation of soil or groundwater comprising 35 to 45% by weight of an emulsifiable C4-C22 vegetable oil selected from the group consisting of soybean oil, corn oil, coconut oil, canola oil, peanut oil, sunflower oil, olive oil, crambe oil, and mixtures thereof;
- from about 45 to 55% by weight of a surfactant/co-surfactant mixture selected from the group consisting of polyoxyethylene 20 sorbitan trioleate/caprylocaproyl macrogol-8-glyceride, polyoxyethylene 20 sorbitan trioleate/polyoxyl 35 castor oil and polyoxylethylene 20 sorbitan trioleate/glycerol and 8 to 12% by weight water.
Dependencies are inferred from the claim text.