|
| |
|
|
Biogas cleaning to substitute natural gas quality
Němec, Jan ; Niesner, Jakub (referee) ; Dvořák, Radek (advisor)
This work deals with methods of biogas cleaning to natural gas quality for further use. The introduction is focused on technologies for biogas treatment and biogas management for current situation in the Czech Republic. In the main chapter there is a water scrubber technology design and calculation of the absorption column for the conditions given. A simulation model and preliminary economic balance were then developed on the obtained data.
|
|
|
NOx reduction in flue gas
Rumánek, Tomáš ; Jedlička, Filip (referee) ; Dvořák, Radek (advisor)
My master´s thesis deals with the problems of NOx abatement that are included in flue gas. The accent is put on flue gases treatment throug cloth filter or ceramic candles, where the deposited catalyst enables NOx reduction throug the method of selective cytalytic reduction. In thesis is also describe experimental unit which current remove gaseous pollutants (dioxin, VOC and NOX) and ash on catalytic cloth filter or catalytic ceramic candles. For experimental unit has been calculated pressure drop. Pressure drop has been calculated for nominal and maximal conditions for cloth filter and ceramic candle. Last part of thesis deals with compile a experimental schemes for different concentration of NO, flow and temperature of combustion.
|
|
|
Analog nonlinear function structures for educational laboratory purposes
Filko, Patrik ; Dvořák, Radek (referee) ; Šotner, Roman (advisor)
This master’s thesis deals with the design and the realization of a laboratory teaching device, which includes two-port parts with nonlinear transmission characteristics corresponding to quadratic, inverse quadratic and cubic functions. It also includes a more complicated design of a polynomial function converter that offers students a practical view of functions mathematically designed while verifying their accuracy in laboratory exercises. The whole concept is supported by the design of the power supply circuit and the harmonic signal generator. The individual features of this project are feasible from components commercially available.
|
|
|
Treatment of flue gas polluted by NOx
Hanák, Libor ; Jecha, David (referee) ; Dvořák, Radek (advisor)
There is an overview of secondary methods for NOX removal from stationary sources in the first part of master’s thesis. There are well known methods as SCR o SNCR, but also new and experimental ones. An accent is putting on catalytic filtration, especially on cloth filter, which will be used for experiments. An important part of master’s thesis is a project of new experimental unit for experiments with cloth and ceramic catalytic filters as well as with a bit of cloth filtration material. Unit has compact proportions, high-class measurement and control and wide application spectra. Other advantages of this equipment are fast and easy cleaning and installation. This unit, called INTEQ II, can be used in plants or in laboratories. There is prediction model created together with new technology. It enables calculation of efficiency at catalytic filters with variable conditions without many experiments. This model is elaborate and will be finished with dates from measuring. There in only summary of planned experiments in this thesis, because measurements at new unit have not done yet. Experiences with operations at unit INTEQ I were used for proposal of new equipment and for experiments planning.
|
|
|
Biogas processing
Vařeka, Miloš ; Hanák, Libor (referee) ; Dvořák, Radek (advisor)
The aim of this work is to introduce technology sufficient of usage for treatment of biogas to the quality of natural gas and to propose and to realize an experiment in finding effectivity of one of these methods.
|
|
|
Wideband Vector Measurements
Dvořák, Radek ; Schejbal, Vladimír (referee) ; Dražan, Libor (referee) ; Urbanec, Tomáš (advisor)
Thesis describing design and measurement of the vector reflectometer system based on six port principle. The expectations for precision measurement in wide bandwidth system are explained. Diode linearization problem is described and the calibration method especially designed for the wide band systems is explained. And finally several data processing methods for the final result decision are compared.
|
|
| |
|
|
Measurements results assessment and emission limits
Čech, Martin ; Jedlička, Filip (referee) ; Dvořák, Radek (advisor)
Main content of this task is summary and explanation of main methods,which can be used to evaluation the results from measuring of pollutants in combustion gases. The way which should be most acceptable for our datas will be consequently used in a simply example. There will be mentioned the importace of chosing the entering datas and their dependence on outer conditions. Another chapter will be devoted to emission standarts of main pollutants in Czech republic and in chosen world countries too. There will be mentioned the historical developement of these standarts and hypothesis to the future about this question too.
|
|
|
Activated carbon adsorption
Vrána, Tomáš ; Dvořák, Radek (referee) ; Solodyankin, Kirill (advisor)
The objective of this bachelor’s thesis is the description of the Activated carbon adsorption. It’s here division activated carbon according to form and using. Further then description adsorption from fluent and from liquid phase on activated carbon. There are here reffered to factors influencing adsorption. At last chapter is comparing effectiveness adsorption near activated carbon, zenotil and silica gel.
|
guest ::
RSS feed.