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Fotocatalizadores mejorados para eliminar moléculas orgánicas tóxicas que normalmente contaminan el agua y el aire

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20160712003
Publicado:
20/07/2016
Caducidad:
20/07/2017
Resumen:
Un grupo de investigación de una universidad española, en colaboración con una universidad mexicana, ha desarrollado una serie de fotocatalizadores mejorados para eliminar contaminantes, especialmente moléculas orgánicas, en procesos de descontaminación de agua y aire mediante el uso de luz visible y UV. La fotocatálisis es una reacción que utiliza la radiación de luz para activar una sustancia (fotocatalizador), que modifica la velocidad de una reacción química sin implicarse directamente. La universidad busca una empresa interesada en esta tecnología para establecer un acuerdo de licencia.

Details

Tittle:
Enhanched photocatalysts that eliminate toxic organic molecules that commonly contaminate water or air
Summary:
A research group from a Spanish university have developed a number of enhanced photocatalysts for the removal of contaminants, particularly organic molecules, from water and air decontamination processes using visible and UV light. The university research group is looking for a company interested in this technology in order to reach a license agreement.
Description:
Photocatalysis is a reaction which uses light irradiation to activate a substance (the photocatalyst) which modifies the rate of a chemical reaction without being involved itself.

A research group from a Spanish university in collaboration with a Mexican university has developed several photocatalysts comprised of a carbonaceous matrix of organic xerogels (solid formed from a gel by drying and usually retain high porosity and surface area along with very small pore size) with a solid state photosensitizer composed of Ruthenium (a photosensitizer is a molecule that produces a chemical change in another molecule in a photochemical process) incorporated to a polymeric matrix.

This patented new photocatalysts can be used in many advanced oxidation/reduction processes and can, in the presence of UV or visible light, completely oxidize toxic organic molecules that commonly contaminate water or air.

The attached diagram shows an example where the solar radiation degradation percentage of carbon tetrachloride (a toxic, carcinogenic compound which is used as a general solvent in industrial degreasing operations) with a direct normal photolysis process is compared with and the Ruthenium xerogel photocatalysts (RuB) and where the latter lead to significantly better degradation percentages.

The university research group is looking for a company in order to reach a license agreement.

Advantages and Innovations:
- The photocatalysts can be easily recovered after its use for water treatment since the photocatalyst in the solid state are incorporated into the organic xerogels.

- The method for preparing the photocatalyst is similar to those for synthesizing other xerogels for water treatment that contain different metallic complexes acting as the photosensitizer.

- The photocatalysts can be used both under visible and UV light and they are biologically and chemically inert, cost-affordable, photostable and non-toxic.

Stage of Development:
Field tested/evaluated
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
International PCT patent filed

Partner sought

Type and Role of Partner Sought:
Companies are sought which are working in the field of air/water cleaning or elimination of toxic substances in general.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Spanish

Keywords

Technology Keywords:
10003006 Detoxificación / desinfección de residuos
10004003 Reciclaje de aguas residuales
03004010 Special chemicals, intermediates
10004001 Tratamiento de aguas industriales