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Technická 5
166 28 Prague 6 – Dejvice
IČO: 60461373 / VAT: CZ60461373
Czech Post certified digital mail code: sp4j9ch
Copyright: UCT Prague 2015
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Laboratory of Inorganic Materials is joint working place of the University of Chemistry and Technology Prague and the Institute of rock structure and mechanics ASCR, v.v.i. Laboratory activity evenly covers the area of education and both basic and applied research.
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Melting space for the vitrification of radioactive materials |
For students
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Bubble in glass containig Na2SO4 condensate |
Laboratory members are involved in the education within bachelor and master study programs Chemistry and Materials. Doctoral students of the study program Chemistry and Technology of Inorganic Materials work closely with us when assisting solved research projects, completing required coursework and writing and defending a dissertation about their research project. |
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The result of the mathematical model of the flow in the melting chamber - sectional view showing the formation of spiral flow, which allows to increase the efficiency of the melting process. |
Image analysis - measurement of the size of a bubble in the melt. |
Laboratory of Inorganic Materials was created from the original Laboratory for chemistry and technology of silicates and ICT Prague and ASCR founded in 1961. In 2012, the Laboratory was transformed into a Joint workplace of the University of Chemistry and Technology Prague UCT Prague) and the Institute of Rock Structure and Mechanics ASCR, v.v.i. The Laboratory cooperates with materials-oriented UCT Prague departments, especially the Department of glass and ceramics. In addition to the labs in UCT Prague (Building A, Room A04), we also work at the Institute of Rock Structure and Mechanics ASCR v.v.i., V Holešovičkách 41, 180 00 Prague 8.
Temperature distribution on the top melt level in a glass melting space
Postgraduate study programme: Chemistry and Technology of Materials
Field of study: Chemistry and technology of inorganic materials
Themes of the postgraduate studies
Supervisor: Prof. Ing. Lubomír Němec, DrSc.
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Supervisor: Doc. Ing. Jaroslav Kloužek, CSc.
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Supervisor: Doc. Ing. Jaroslav Kloužek, CSc. |
Supervisor: Prof. Ing. Lubomír Němec, DrSc.
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Research areas |
Glass melting processes and their modelling |
New glass melting concepts |
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Mathematical modeling is traditional tool for the analysis of glass melting process. CFD methods calculate velocity and temperature fiels ... |
New relative value – space utilization – quantitatively assesses melting processes in continuous melting space. The current industrial furnaces... | ||
Development of new types of glasses |
Materials for photonics and optoelectronics |
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The composition of the proposed glass is optimized in terms of the required properties. Colors affected by the redox state of the glass can be predicted ... |
The industrial development is coming with a requirement of new materials. In optic and optoelectronic ... |
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Research of processes for vitrification of nuclear waste |
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Solving the problem of immobilizing a large amount of nuclear waste coming from the production of plutonium is the actual question ... |
Experimental techniques
UCT Prague |
IRSM ASCR, v.v.i. |
University of Chemistry and Technology Prague Laboratory of Inorganic Materials Technická 5 166 28 Prague 6 Czech Republic
Tel. +420 22044 5192 (l. 4318, 5195) E-mail: Jaroslav.Klouzek@vscht.cz |
Institute of Rock Structure and Mechanics ASCR, v.v.i. Laboratory of Inorganic Materials V Holešovičkách 41 180 00 Prague 8 Czech Republic
Tel. +420 266009 421 (l. 423) |
Public transportation: |
Public transportation: Metro Line "C" to Holešovice station, exit to Kobylisy, Prosek, then by bus 102, 210 to Vychovatelna station. Metro Line "B" to Palmovka station, exit to Divadlo pod Palmovkou, then by tram 10, 24, 25 to Vychovatelna station. |
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Doctoral study programmes at the UCT Prague are carried out in a full-time form or a combination of full-time and distance learning, always on the basis of an individually scheduled study plan and checking study duties. The standard lenght of a doctoral study programme is four years according to current accreditation of the study program. The University accepts PhD students on a rolling basis throughout the calendar year; it is essential when making your application for doctoral studies that you find an advisor who will guide you through the entire period of your PhD studies. |
Available dissertation themes
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Analysis of batch-to-glass conversion processThe goal of this project targets the analysis of one of the critical batch-to-glass conversion processes – the evolution and collapse of the primary foam at the batch-melt interface. This porous foam layer, which behaves as a form of insulation layer, results from the products of various gas evolving reactions that are being trapped in the primary melt. This project will focus on understanding the foam morphology, the reactions that lead to primary foaming, such as iron redox equilibrium, oxygen release from the melt, or residual de-carbonization reactions. Supervisor: Richard Pokorný, PhD., Supervisor specialist: Assoc.Prof. Jaroslav Kloužek |
Melting processes in vitrification technologiesThe analysis of the processes during the vitrification process is performed using a mathematical model. Input data of the model will be obtained by a set of experimental methods including high temperature monitoring of melting processes, analysis of released gases, thermal analysis and determination of oxidative reduction equilibrium in melts. Supervisor: Assoc.Prof. Jaroslav Kloužek, Supervisor specialist: Richard Pokorný, PhD. |
Modeling new spaces for glass meltingParticles in molten glass such as grains of sand or bubbles are subjected to dissolution and separation in the glass melting process, their behaviour is also influenced by the melt flow characteristic. The work will deal with both processes in the flow model space in order to find out the optimal conditions of both processes, to find a new way of conducting the melting process of the glass and to provide data for new designs of melting spaces. The work will use the results of laboratory measurements as well as mathematical modelling. Supervisor: Marcela Jebavá, PhD., Supervisor specialist: Prof. Lubomír Němec |
Heavy metal oxide glassesThe glass network of heavy metal oxide glasses is formed by oxides such as TeO2, GeO2 or Sb2O3 instead of SiO2. These glasses stand out in comparison with conventional glasses particularly by wide interval of transparency ranging up to much longer wavelengths, lower phonon energies, higher refractive index, outstanding nonlinear properties, high solubility of rare-earth ions accompanied by high quantum yield of radiative transition etc. The work will focus on the preparation and characterization of new materials – glasses – containing antimony and/or bismuth oxides. Characterization of the prepared materials will include their basic properties such as density, molar volume, thermal stability, chemical resistance, hardness, optical transmission, refractive index, etc. Correlation between structural units forming the glass network and the resulting properties will be investigated and the influence of processing conditions during glass preparation on these properties will be evaluated. Supervisor: Petr Kostka, PhD. |