Remediation of contaminated soils
AssigneeYissum Research Development Company of the Hebrew University of Jerusalem
InventorsUri Stoin, Yoel Sasson
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Abstract
The invention provides a process for treating a soil contaminated with a pollutant selected from the group consisting of petroleum products and aromatic hydrocarbons, comprising bringing into contact with said soil an aqueous solution in which hydrogen peroxide and hydroxide source are combined.
Claims13
A site remediation process for treating a soil contaminated with a pollutant selected from the group consisting of petroleum products and non-halogenated aromatic hydrocarbons, comprising bringing into contact with said soil an aqueous solution in which hydrogen peroxide and alkali hydroxide are combined, wherein said alkali hydroxide and hydrogen peroxide mix in an aqueous form in the contaminated soil by injecting into the contaminated soil a stream of aqueous alkali hydroxide solution having concentration of not less than 1.5M and a stream of aqueous hydrogen peroxide solution having concentration of not less than 2.25M, wherein the alkali hydroxide solution is introduced to the soil and allowed to seep into the ground, followed by the addition the hydrogen peroxide solution.
Dependencies are inferred from the claim text.