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Utilización sin residuos de escorias pirometalúrgicas de cobre

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOBG20181217001
Publicado:
28/03/2019
Caducidad:
28/03/2020
Resumen:
Un grupo de investigación búlgaro con más de 40 años de experiencia en investigación y desarrollo de materiales especiales, revestimientos y tecnologías de reciclaje ha desarrollado una tecnología innovadora para la utilización sin residuos de escorias pirometalúrgicas de cobre. Gracias a la aplicación de un tratamiento termoquímico, las escorias pirometalúrgicas de cobre con carbonatos alcalinos y/o de tierra alcalina pueden transformarse en materiales útiles. La principal ventaja es la transformación de estos residuos peligrosos para el medioambiente en cerámica vidriada, materiales hidráulicamente activos y silicato de sodio con propiedades útiles en diversos sectores industriales, por ejemplo, en arquitectura y construcción. El grupo de investigación busca socios industriales o investigadores con el fin de establecer acuerdos de comercialización con asistencia técnica, servicio o investigación.


Details

Tittle:
Non-waste utilisation of copper pyro-metallurgical slag
Summary:
A Bulgarian research team has developed an innovative technology for non-waste utilisation of copper pyro-metallurgical slag. By means of thermochemical treatment, copper pyro-metallurgical slag with alkaline and / or alkaline earth carbonates is converted into useful materials. The researchers are seeking industrial or research partners for commercial agreement with technical assistance, services agreement or research cooperation agreement.
Description:
The Bulgarian organisation is a renown research institute with more than 40 years of experience in the research and development of specialised materials, coatings and waste recycling technologies. The unit has successfully implemented applied research oriented projects with national and international partners.

The utilisation of industrial waste is one of the most serious environmental problems in industrialised countries. Slag obtained as a residual in pyro-metallurgical copper production is considered as "waste" according to Decision 2000/532 / EC due to lack of a recycling technology. It mainly contains iron silicate, magnetite and silicate glass.

The technology enables after thermochemical treatment with alkali carbonates the waste to be divided into iron and composite silicate phases and to serve as a "precursor" for the preparation of materials with certain properties, e.g., iron oxide pellets and silica gel. Alternatively, after thermochemical treatment with alkaline earth carbonates, it can be transformed into: a hydraulic iron (cement) having a very high iron oxide content; and / or ferro-magnetic glass-ceramics; and / or cladding glass-ceramics and rendered materials with aesthetic appearance.

The technology has several features which are as follows:
1. Conducting a thermochemical treatment of the copper slag together with alkaline and /or alkaline earth carbonates in a solid phase and obtaining of:
-ornamental glass-ceramic materials for construction; (ferro-) magnetic glass ceramics;
- a hydraulic binder (cement) with a very high iron oxide content; - - and / or a precursor for the production of silicagel (drying) materials together with ferrous oxide pellets applicable in the metallurgy sector;
2. Performing a thermochemical treatment in a melt and obtaining of render and / or facing tiles with aesthetic appearance.

3. Thermochemical treatment in hydrothermal environment under specific conditions which are a secret know-how of the research unit and obtaining of: water glass for construction purposes; silica gel (drying material) and ferrous oxide pellets applicable for the metallurgy sector.

The institute is looking for industrial and research partners in order to attain commercial agreements with technical assistance, services agreements so as to further develop the technology and adapt it to the specific needs and research cooperation agreements for joint collaborative projects.
Advantages and Innovations:
The main advantage of the innovative technology is that it converts environmentally hazardous waste - copper pyro-metallurgical slag into valuable glass ceramics (and / or pottery), hydraulically active materials and / or water glass - silica gel with properties useful in various industrial sectors; for instance - architectural and construction purposes.

Three novel features are introduced in the developed technology:
- application of one of the most progressive forms of induced nucleation - sinter-crystallisation
- sol-gel methods of vitrification and waste utilisation
- crystallisation extraction of the silicate phase of glazed waste in hydrothermal environment.
Stage of Development:
Under development/lab tested
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
Type of partner sought: interested stakeholders, both SMEs and large companies, non-governmental organisations and research organisations;

- Specific area of activity of the partner: industrial partners or R-Y-D organisation involved in the field of non-waste utilisation of copper pyro-metallurgical slag;

- Task to be performed: the institute is looking for commercial agreement with technical assistance and services agreements with industrial partners in order to introduce to validate, adapt and commercialise the technology according to the specific needs and research cooperation agreement with R-Y-D units and companies for joint project developed.

Client

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

Keywords

Technology Keywords:
02007010 Metals and Alloys
02007011 Tecnologías de elementos no-metálicos
03008 Tecnologías mineras
10003009 Tratamiento de metales de tierras raras