Zero-valent metal suspension in non-aqueous phase for water remediation
AssigneeTersus Environmental LLC
InventorsSangho Bang, David F. Alden, Gary M. Birk, Jeffrey H. Harwell, Bor Jier Shiau
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Abstract
The present subject matter illustrates a zero-valent metal suspension in non-aqueous phase. The suspension comprises 41 wt. % of a plurality of zero-valent iron particles; 0.1 wt % of a surfactant; 36 wt. % of an oil; and 23 wt. % of a thickening agent.
Claims22
A zero-valent metal suspension in a non-aqueous phase, the suspension consisting of:
- (a) a particulate zero-valent metal;
- (b) a surfactant;
- (c) a vegetable oil;
- and
- (d) a thickening agent;
- wherein the surfactant is selected from the group consisting of fatty acid sulfonates, ethoxylated compounds, lecithin, polygluconates, quaternary ammonium fatty acid adducts, lignin sulfonates, and others thereof.
A reactive system for remediation of soil and groundwater, the system consisting of a vegetable oil, an oil-thickening agent, a surfactant and a particulate zero-valent metal forming a zero-valent metal suspension in a non-aqueous phase.
Dependencies are inferred from the claim text.