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Dissolution of silicates for carbon dioxide mineral storage
Křečková, Magdaléna ; Havlica, Jaromír (referee) ; Ptáček, Petr (advisor)
The degradability of wollastonite, montmorillonite and talc in an aqueous solution of acetic acid at different temperatures is main object of this study. Mineral carbonation, i.e. the reaction of calcium and magnesium presented in these three silicates, is a novel and promising approach to carbon dioxide capture and long-term storage. The kinetic of wollastonite, montmorillonite and talc dissolution is studied due to assessment of their efficiency for CCS technologies. The dissolution kinetic is discovered with using measured time dependence of Ca2+ and Mg2+ leached ions concentration.
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Optimization of biomass boiler
Mizerovský, Karel ; Brázdil, Marian (referee) ; Štelcl, Otakar (advisor)
Bachelor´s thesis solves the problem of measure to optimization boiler of biomass. Theoretic part deals with divided of boiler using solid fuels, exactly boiler focus on biomass combustion. Second part deals with design of deflectors to increase combustion efficiency and practical testing of proposal.
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Energy recovery of waste
Vala, Michal ; Baláš, Marek (referee) ; Moskalík, Jiří (advisor)
The first part of this thesis sums up problems arising from waste production and compares different ways and technologies of waste treatment. Second part of this thesis focuses on one of these ways, on the incineration of waste with energy recovery. It discusses specifics and possibilities of this technology and describe current situation in the Czech Republic.
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Hydrogen and automobiles
Břoušek, Lukáš ; Kloss, Ondřej (referee) ; Kaplan, Zdeněk (advisor)
The purpose of this thesis is to demonstrate the possibilities of hydrogen-based gear in personal cars. The thesis also describes the hydrogen from the perspective of the characteristics, the form of production, conserving, distributing and its utilization. Furthermore, in more details are described and compared currently well-known hydrogen-based devices, for this purpose the complex analysis Well to Wheel will be used. Final part of this publication will be devoted to evaluation of this analysis and also the thesis will outline what are the probable trends of the hydrogen-based technologies.
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Unit Injectors
Cihlář, Lukáš ; Drápal, Lubomír (referee) ; Dundálek, Radim (advisor)
This bachelor’s thesis deals with the description of unit-injector system. Injection system used in passenger cars as well as Unit-Pump-System used in trucks is described. One chapter deals with general problems of emissions, including description systems of the reduction exhaust gases. In the end is the practical application of the system in the engines of the Volkswagen Group.
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Hydrogen fuels
Umlauf, Martin ; Bébar, Ladislav (referee) ; Jícha, Jaroslav (advisor)
Paper presents a basic review and comparison of energy-conservation made of renewable sources. Principal question of paper concerns evaluation of hydrogen-use made of electrolysis of water. First part of the thesis focuses on the production of energy from renewable sources and the possibility of energy-accumulation. The next section describes methods of hydrogen production and utilization of hydrogen as a fuel for combustion engines. Attention is paid to various aspects dealing with construction of combustion engines using hydrogen. Final part of the study presents comparison between combustion engines using known sorts of fuels as to their pollution and emission-level. Next comparison deals with economic cost per kilometer, when different sort of fuels are taken into account. Conclusion concerns approximate calculation of the production of hydrogen from water by electrolysis using photovoltaic power plants.
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Small boilers as a source for family houses
Studnicki, Jakub ; Katolický, Jaroslav (referee) ; Štětina, Josef (advisor)
The paper summarizes the basic parameters of boilers with low power for use in family homes. The boilers are divided into chapters according to the used fuel (gas, solid fuels, liquid fuels, biomass, pellets...). For each boiler there are basic characteristics, dimensions, methods of attachment to the wall or floor and if hot water heating is integrated. It is also characterized by a boiler heating system, i.e. the flue requirements, size and location of the water supply for heating. In another part there is an assessment of economic and environmental aspects of boilers. From an economic perspective I focus on a fuel economy and from an ecological mainly on the ratio of fuel efficiency and pollutants emitted into the air.
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