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Baldosas de cerámica vidriada sinterizada similar al granito obtenida de residuos industriales

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOBG20180911004
Publicado:
02/10/2018
Caducidad:
03/10/2019
Resumen:
Un instituto de investigación búlgaro con amplia experiencia en investigación y desarrollo de cerámicas vidriadas y cerámicas hechas a partir de residuos industriales ha desarrollado nuevas baldosas de cerámica vidriada sinterizada similar al granito fabricadas con residuos industriales peligrosos. Estas baldosas tienen unas propiedades mecánicas superiores a las actuales. Su similitud con el granito se debe a la cristalización de la superficie de los granos y los efectos cromáticos se consiguen gracias al uso de diferentes fracciones. El instituto de investigación busca socios industriales con el fin de establecer acuerdos de cooperación en materia de investigación y comercialización con asistencia técnica.

Details

Tittle:
Sintered granite-like glass-ceramic tiles from industrial wastes
Summary:
A Bulgarian research institute with long-term experience in the research and development of glass-ceramics and ceramics from industrial wastes has developed novel granite-like sintered glass-ceramic tiles using hazardous industrial wastes. The institute seeks commercial agreements with technical assistance and research cooperation agreements with industrial partners.
Description:
The Bulgarian research institute that has developed the granite-like sintered glass-ceramic tiles has more than 50 years of experience in the research and development of novel materials, waste utilisation, coating and technologies related to physical chemistry.

The problem that the institute has addressed is connected with the utilization of industrial (waste metallurgical slag, ash from incinerators of urban waste and other industrial waste) and turning it into an innovative product with improved qualities in comparison to existing ones. The hazardous industrial waste used may range from 50 to 70 percent of the raw material used which is higher in comparison to other similar technologies.

The technology of granite-like glass-ceramics from hazardous industrial wastes is based on the following steps:
- Synthesis of an original glass composition with specific sinter-crystallisation behaviour.
- Preparation of glass batch with high amount of hazardous residues, corresponding to the original glass composition.
- Glass melting at effective technological regime and water quenching of the melt as glass frit.
- Sinter-crystallization of thus obtained glass granulates in refractory molds without preliminary pressing.

Grinding and polishing of the obtained building panels in order to elucidate a granite-like appearance with zero water absorption.

The institute seeks commercial agreements with technical assistance with companies for making a marketable product, providing the necessary expertise during the whole process and research cooperation agreements with companies for testing of new applications of the technology.
Advantages and Innovations:
- the novel product gives the opportunity to use high amounts of hazardous industrial wastes ranging from 55 to 70 percent of the raw material needed which has an ecological effect.
- the novel granite-like tiling materials are with 20 percent higher mechanical properties in comparison to existing ones.
- the granite-like effect is result of definite surface crystallisation of the grains and / or chromatic effects due to usage of different frits fractions and gives the tiles an attractive appearance.
Stage of Development:
Field tested/evaluated
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: industrial partners;

- Specific area of activity of the partner: companies operating in the ceramics and glass sectors; companies working in the hazardous waste material sector and building sectors;

- Task to be performed by the partner sought: commercial agreements with technical assistance with companies providing the necessary expertise and adaptation during the whole process and research cooperation agreements with industrial partners for testing of new applications of the technology.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
Bulgarian
English
Russian

Keywords

Technology Keywords:
02007002 Building materials
02007005 Composite materials
02007007 Cristal
10002006 Ecología
02007003 Materiales y polvos cerámicos