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Tecnología para eliminar cianobacterias en aguas superficiales y evitar la formación de floraciones de cianobacterias en el agua

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOCZ20151007001
Publicado:
13/10/2015
Caducidad:
12/10/2016
Resumen:
Un centro de investigación de una universidad checa especializado en tratamiento de aguas superficiales ha desarrollado una tecnología de eliminación selectiva de cianobacterias en aguas superficiales. Este método permite eliminar, prevenir y reducir la expansión de floraciones de cianobacterias en el agua respetando el medioambiente. La tecnología ha sido probada con éxito y está lista para usar en cualquier lugar afectado por floraciones de cianobacterias. Se buscan socios de los sectores público y privado con el fin de establecer acuerdos de licencia y comercialización con asistencia técnica.

Details

Tittle:
A technology for removal of cyanobacteria from surface waters and for preventing the formation of cyanobacterial water blooms.
Summary:
A technology for a selective removal of cyanobacteria (CBs) from surface waters was developed by a Czech university research centre. The method enables removal, prevention and reduction of mass expansion of Cyanobacteria water blooms in an environmentally friendly way. It has been successfully tested and is ready for use in any locality affected by cyanobacterial water blooms. Public or private partner for a commercial agreement with technical assistance or a licence agreement is sought.
Description:
A Czech university research centre offers treatment of all types of surface water such as water in holiday, water-station, technological and fish breeding reservoirs, in rivers, ponds, lakes, and other water systems is possible.

The preventive mode is based on an ability to remove bioavailable phosphorus.
· The destructive mode relates to the precipitation of iron-containing solids within the cell and the oxidative stress imposed by nZVI; this stems from the production of oxidizing
radicals during the reaction of nZVI with water and from the active uptake of Fe(II) ions by cyanobacterial cells.
· Immobilization prevents the release of free microcystin into the water; it becomes sorbed on the large, positively charged surface of the nontoxic and environmentally benign ferric hydroxide produced by the oxidation of nZVI. In this context, it is also possible that nZVI might promote the partial decomposition of microcystin.
· The physical mode of action involves the formation of a compact waste product consisting of the destroyed cyanobacterial cells and highly aggregated ferric hydroxide. Because the product is highly flocculated and prone to particle agglomeration, the organic-inorganic aggregates formed by nZVI treatment do not present any hazard to the ecosystem; they are not nanoscale materials. These aggregates settle within a few hours, leading to the complete cleansing and decontamination of the water column.

Public bodies or private companies (landowners, developers, private commercial companies in industry) seeking a solution their caynobacteria water contamination problems or offering such services are sought. Cooperation should be based on a commercial agreement with technical assitance or a licence agreement.
In the case of a Licensing agreement, a license is expected to be acquired.
In the case of Commercial agreement with technical assistence, a technology is expected to be acquired, whereas the research centre will contribute to the application of the technology in the form of an expert assistance - that is analysis of samples, identification of suitable material and dosage, staff training on how to utilize the technology and so on.
Advantages and Innovations:
The offered method is unique in terms of its mechanism and
selectivity of action, efficiency, large-scale applicability, environmental acceptability, financial cost, and technological sophistication.

This environmentally friendly technology is the first known method that allows a selective removal of cyanobacteria; zero-valent iron nanoparticles (nZVI), exploited in this technology, play four principal modes of action that are described in the description field.
Stage of Development:
Field tested/evaluated
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
PCT application has been filed.

Partner sought

Type and Role of Partner Sought:
Type of partner sought:
Companies and research organizations

Specific area of activity of the partner:
Public bodies or private companies (landowners, developers, private commercial companies in industry) seeking a solution their caynobacteria water-contamination problems.

Task to be performed by the partner sought:

In the case of a Licensing agreement:
Acquiring a licence

In the case of Commercial agreement with technical assistance:
Acquiring a technology offered, whereas the research centre will contribute to the application of the technology in the form of an expert assistance - that is analysis of samples, identification of suitable material and dosage, staff training on how to utilize the technology and so on.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
Czech
English

Keywords

Technology Keywords:
10004012 Agua en edificios
10004008 Gestión de rescursos hídricos
06004 Micro y nanotecnología relacionada con las ciencias biológicas
06006006 Nanomateriales biológicos
10004002 Tratamiento de aguas municipales