초록 ▼

A thixotropic gel suitable for use in subsurface bioremediation is provided along with a process of using the gel. The thixotropic gel provides a non-migrating injectable substrate that can provide below ground barrier properties. In addition, the gel components provide for a favorable environment i

A thixotropic gel suitable for use in subsurface bioremediation is provided along with a process of using the gel. The thixotropic gel provides a non-migrating injectable substrate that can provide below ground barrier properties. In addition, the gel components provide for a favorable environment in which certain contaminants are preferentially sequestered in the gel and subsequently remediated by either indigenous or introduced microorganisms.

대표청구항 ▼

The invention claimed is: 1. A process of bioremediation within a vadose zone comprising:identifying a vadose zone contaminant area;creating a thixotropic injectable solution comprising a mixture of an edible oil, water, and fumed silica;agitating said thixotropic injectable solution, thereby enabli

The invention claimed is: 1. A process of bioremediation within a vadose zone comprising:identifying a vadose zone contaminant area;creating a thixotropic injectable solution comprising a mixture of an edible oil, water, and fumed silica;agitating said thixotropic injectable solution, thereby enabling said thixotropic injectable solution to be injected under pressure to a subsurface vadose zone;injecting said thixotropic solution into said vadose zone, said injectable solution thereby forming a non-migrating gel within said vadose zone;wherein said non-migrating gel establishes an in situ anaerobic environment in response to biological colonization within said non-migrating gel.