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New technologies for an efficient operation of biogas plants
Uhlířová, Marcela ; Máša, Vítězslav (referee) ; Vondra, Marek (advisor)
This bachelor thesis is focused on new technologies enhancing efficient operation of biogas plants. The introductory part describes operation of biogas plant, its products and issues. The main part of the thesis deals with description of three progressive technologies concerning biogas plants such as dry fermentation, hydrothermal pretreatment and biogas upgrading to biomethane. For each technology there is a description, advantages and disadvantages with regard to their practical applicability.
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Failure rate wastewater treatment plants
Boryśová, Michaela ; Vlčková, Veronika (referee) ; Hluštík, Petr (advisor)
This thesis deals with the sludge management in wastewater treatment plants. It provides a basic overview of methods for modifying risk material in sludge ending. The main goal of this work is to create a fault trees based on faults which occurred in the sludge management facilities. Furthermore, it was created frequency of failures assessment of the objects on wastewater treatment plant in Hodonín. Provided information were obtained during excursions of WWTP Hodonín and Zbýšov.
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Biogas cogeneration
Miča, Martin ; Chroboczek, Libor (referee) ; Pospíšil, Jiří (advisor)
This bachelor´s thesis discusses biogas cogeneration. The introductory part deals with biogas production and its treatment before energetic use. The main body of the thesis focuses on various methods of energetic utilization of biogas and biogas processing in particular biogas station in Nové Město na Moravě. From the realised measurements there were created graphs of produced, sold and consumed electrical energy depending on days and average daily temperature. The last part of the thesis gives possibilities of waste heat recovery in wood dryer.
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Utilization biogas for combined heat and power
Fojtík, Martin ; Baxant, Petr (referee) ; Mastný, Petr (advisor)
This bachelor’s thesis is specialized on the solution of actual problems dealing with the exploitation of biological wastes usány combined heat and power. The task is to suggest and valorize the running of combined heat and power system cooperating with a bio-gas station. The first part is devoted to the rise of biogas and biomass which is fit for the production of biogas, further also to the biogas technology. The second part of of this work deals with the principle of combined heat and power, as well as with the comparation of single prime units. The running of biogas combined heat and power is reviewed in the final part.
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Energy use of biomass
Střecha, Josef ; Lisý, Martin (referee) ; Baláš, Marek (advisor)
The main task of this thesis is the research of different types of biomass, description of each technology subsequent to obtaining thermal energy for central sources of heat and the mapping of use biomass in a cogeneration production of electric energy and heat. The first part of this thesis deals with the creation and definition of biomass, chemical and physical properties, basic distribution and showing examples of individual representatives. The next part of this thesis describes various options of energy usage of biomass subsequent to obtaining energy for central sources of heat. The last part is concentrating to individual power units in Czech Republic, which exploiting biomass for cogeneration production electric power and heat.
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Bio-gas power plant
Mészáros, Gabriel ; Joch, Lukáš (referee) ; Pospíšil, Jiří (advisor)
The master’s thesis is focused on the possibility of using biodegradable materials (animal manure, energy crops, crop waste) in a biogas plant. The first part deals with the mechanism of production of biogas. Described are factors which affect the production of biogas, its composition, properties, utilization and potential substrates. The next chapter deals with the technologies of biogas plants. The main part of the thesis is devoted to a proposal of a specific biogas plant in the Slovak Republic in the Novozámocký district. Included is the processing of design proposal, selection of components and proposal of the layout of biogas plant. The economic evaluation includes quantifying capital and operating costs and profits from the sale of electricity and compost.
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Legislative and economic aspects of exploitation of renewable energy sources
Vondra, Marek ; Katolický, Jaroslav (referee) ; Jaroš, Michal (advisor)
The aim of this thesis is a brief outline of legislative and economic issues associated with energy production from renewable sources. After reading the work, potential investors should be connive with the pros and cons of the use of renewable resources. The thesis has a recherche character and tries to provide basic information for the possible preparation of an investment project. Renewable energy sources have become an integral part of the energy market, despite their lack of profitability in comparison with conventional sources. It is a consequence of European Union’s financial support. However, the support is changing over time, as well as avalaible technologies, local conditions and many other factors affecting the current investment attractiveness of renewable energy sources. All these factors must be considered by an investor. The current situation is positive for use of biomass energy, both at home and in large incineration plants and cogeneration units. Electricity can be advantageously produced in photovoltaic and small hydropower plants. There is a growing importance of heat pumps exploitation. We can expect slower development of photovoltaic farms and wind power plants contructions.
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Sludge Utilisation from Pulp and Paper Plant
Zemanová, Kateřina ; Houdková, Lucie (referee) ; Boráň, Jaroslav (advisor)
The contens of diploma thesis is description of paper and pulp production and analysis of contemporary problems with disposal of sludges rising on industrial waste water treatment plant. Accent is focuses on description of waste water treatment technique, characteristics of rising sludge and the ways of his liquidation in particular plant for pulp production. Fundamental part of this project is evaluation of power and economics balance of current sludge technology in company Biocel Paskov a.s. and suggested sludge management technology. Balances are based on data gained from measurement in laboratory and on data gained from literary research.
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Utilization of biogas in transport
Strnadel, Bronislav ; Kučera, Pavel (referee) ; Vopařil, Jan (advisor)
The subject of this bachelor’s thesis is the utilization of biogas as a fuel for vehicle engines. First of all, methods of production, upgrading and utilization of biogas are explained. Then the situation in the Czech Republic and in Sweden is compared. Next part of the thesis is focused on the vehicles which burn upgraded biogas or natural gas vehicles. Their construc-tion and the function of fuel system are described in detail. The dependence of shape of combustion chamber on engine performance and the issue of protection of valves and their seats are described in this chapter. In the last part, a business case study of utilization of bio-gas from a biogas station is elaborated.
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