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A Method for Removing Pollutants from Porous, Solid Materials

Technology Benefits

Useful for materials that have undergone long-term exposure or for freshly contaminated materials Unlike traditional techniques that use soap or bleach to clean contaminated surfaces, the proprietary technology removes contaminants residing deep within the pores of the material, as well as on the surface

Technology Application

For use in decontaminating porous, solid materials, such as: Concrete Wood Gypsum BrickAnd, for use in the remediation of semivolatile organic chemicals, such as: Fuel oil Diesel Fuel Pesticides/Household Chemicals/Automotive Liquids Explosives Naphthalene Hexadecane

Detailed Technology Description

A method of removing pollutants from porous solid, materials using a biomass, a photocatalyst, an adsorbent, or a combination of any of the three, has been developed. The biomass, photocatalyst, or adsorbent are allowed to come into contact with the building material until sufficient amounts of pollutant chemicals are reduced to make the materials acceptable and safe for use.

Supplementary Information

Patent Number: US7144725B2
Application Number: US2003378275A
Inventor: Kozliak, Evguenii I. | Beklemishev, Mikhail K.
Priority Date: 3 Mar 2003
Priority Number: US7144725B2
Application Date: 3 Mar 2003
Publication Date: 5 Dec 2006
IPC Current: C12S000900 | C12S000100 | C12S009900
US Class: 4352625 | 435264
Assignee Applicant: University of North Dakota,Grand Forks
Title: Removal of toxic/hazardous chemicals absorbed in building materials
Usefulness: Removal of toxic/hazardous chemicals absorbed in building materials
Summary: For removing pollutants, e.g. hydrocarbon of formula C 20 H x or fuel oil (claimed), from pores of solid materials.
Novelty: Removing pollutants, e.g. fuel oil, from pores of solid materials comprises loading a biomass capable of degrading pollutants to a support, and contacting the biomass loaded onto the support to the contaminated material

Industry

Architecture/Construction

Sub Category

Construction Engineering

*Abstract

The University of North Dakota is actively seeking companies to commercialize a proprietary method for the removal of fuel-type chemicals, pesticides, and/or household chemicals entrapped in solid, porous surfaces. The technology offers a suite of tools to reduce a variety of pollutants that are superior over common methods of remediation, including photocatalyst-induction, bioremediation, or the application of adsorbents/absorbents.

*Principal Investigator

Name: Evguenii Kozliak

Department:

Name: Wayne Seames

Department:

Country/Region

USA