|
|
Effects of Municipal Wastewater Treatment Plant at Lopac Sinkhole Cave System
Ondruš, Martin ; Gruberová, Eva (referee) ; Malá, Jitka (advisor)
The aim of this thesis is to assess the impact of water outflow from wastewater treatment plant on karst rivers. The study was done in the northern area of Moravský kras protected landscape, where the impact of WWTP Ostrov u Macochy on a cave system Lopačské propadání was studied. As a part of this study a half-year monitoring was carried out, which consisted of water sampling every two weeks. In total, 13 water samples were taken from 7 sampling points. Moreover, flow rate, temperature, conductivity, oxygen concentration and pH were measured at the sampling point. Afterwards, the content of undissolved solids, COD, BOD, N-NH4+, N-NO2-, N-NO3-, NKi and total phosphorus were determined in the samples. The change of parameters in time on the sampling points and further along the flow of the river was evaluated from the measured values. The outflow values from waste water treatment plants were compared with the emission limits for surface waters and the values of river water parameters were compared with the environmental quality standards. It wasn’t proven that the outflow from the observed waste water treatment plant is negatively influencing the water stream. The most serious problems are: -The WWTP was designed for treatment of sewage from Ostrov u Macochy, which involved separate sanitary and storm sewers. After finishing the WWTP, a uniform sewer was built. -High concentration of total phosphorus on the outflow from WWTP. -Poor quality of Lopač brook water already before the outflow vent from WWTP.
|
|
|
Sewerage and wastewater treatment plants - construction technology project
Prokop, Ondřej ; Čech, Václav (referee) ; Henková, Svatava (advisor)
Master´s thesis deals with construction technology project of Sewerage and wastewater treatment plants. The old building objects will be demolished and there will be built new objects on the same place as before. The target of the reconstruction is reducing the amount of energy and increase technological and technology level of wastewater treatment. One of the part of the reconstruction is build new filling station and the sanitation of pipelines on the other side of the river.
|
|
| |
|
|
Energetic utilisation of sewage sludge
Tlašek, Miroslav ; Stříteský, Luboš (referee) ; Hlavínek, Petr (advisor)
Diploma thesis deals with issues related to final treatment sludge. Sewage sludge is an inevitable product of wastewater treatment. Also, most of them concentrated pollution. Most of pollution are concentrated in to them. And because it contains a large percentage of combustibles. Before thermal utilization, it is necessary to appropriately adjust the sludge. Thermal sludge utilization offers the most effective method of energy recovery. It is an energy conversion in the sludge, to heat and electricity. In the vast majority, if not the co-firing, it is necessary to modify the sludge and so it is dried. This is the optimal use of modern technology. There are several variations possible use. Unfortunately it is not in general able to propose the most appropriate technology or methodology, how to make best use of sewage sludge. Specific assignment usually have their own characteristics. In my work I will therefore first try to outline possible technology and in the second part to suggest sludge terminal for WWTP Hodonín.
|
|
|
Chemicals for waste water treatment
Doskočilová, Denisa ; Vachovec, Roman (referee) ; Hluštík, Petr (advisor)
The aim of this bachelor thesis is to get the reader acquainted first with the history of wastewater treatment in the Czech Republic and also the legislation that relates to waste water treatment. Furthermore, this work will provide an overview of each part of technological wastewater treatment plants and chemicals that can be used in various cases, including their manufacturers and prices. In the practical part there will be conducted a calculation of the amount of coagulant including its annual costs for WWTP Čebín. This material may be an inspiration for either design offices or water managing companies and also the general public.
|
|
|
Study of sewerage and wastewater disposal
Dvorský, Petr ; Úterský, Michal (referee) ; Hluštík, Petr (advisor)
This thesis deals with the study of the sewerage network in the village of Pavlovice u Přerova. Its main objective is to accomplish the passportization of the sewer network in the village, including the inspection of the waste water treatment plants. Based on the results of the passport, a hydraulic analysis of the sewer network was performed. The technical and operational state of the selected sections and the objects on the sewer network was evaluated. The draft measures for bad sections of the sewerage network and for the waste water treatment plants were taken on the basis of the evaluation. In the next part of the thesis, there were chosen methods of rehabilitation of the sewer network and the design of new waste water treatment plants. The proposed variants are also economically evaluated and compared. The thesis is complemented by the situation of the sewer network as a result of the passportization and also with the hydrotechnical situation.
|
|
|
Dependence of Sludge Thermal Pre-treatment on its Dewatering
Žerava, Zdeněk ; Houdková, Lucie (referee) ; Boráň, Jaroslav (advisor)
The first part of the thesis is focused on the problems related to sludge and evaluates sludge disposal from waste treatment plants. The thesis mentions factors influencing method selection of sludge disposal as well as it compares sludge disposal in the Czech Republic and in the other states of the EU. It describes a complete waste treatment line and sludge disposal in the area of sludge treatment and disposal. It deals with sludge disintegration and describes the most effective methods of disintegration. The second part of the thesis describes an experimental part of disintegration of waste treatment sludge. An experiment was conducted in the school laboratory in a way of thermal disintegration in the double-surface pressure tank. The disintegration was conducted to temperatures of 60 °C, 90 °C, 120 °C, 150 °C, and 180 °C. We monitored dependence of the sludge dry residue content on disintegration temperature as well as content of suspended solids in liquid fraction (FUGAT). It was possible to choose optimal temperature of disintegration in accordance with processed results.
|
|
|
The study of selected sewer network in an urbanized catchment
Korytář, Ivo ; Habr,, Vladimír (referee) ; Raclavský, Jaroslav (advisor)
This paper deals the case study of the chosen sewer system in the village Starý Mateřov. The study solves passportization of sewer, what is the base for creating technical condition mainly for three selected sections. According to the results from the technical conditions of the three selected sections were suggested suitable options of redevelopment. The options are compared in financial way. The last chapter suggests two possibilities how to deal with the sewage. The first option consists of the transferring waste water to the waste water treatment plant in Pardubice - Semtín. The second option suggests building a new waste water treatment plant in Starý Mateřov. The options are compared in financial way.
|
|
|
Methods of sewage sludge thermal treatment
Rosendorfová, Lenka ; Pavlas, Martin (referee) ; Houdková, Lucie (advisor)
The first part of this diploma thesis targets in the formation of summary of methods of sewage sludge thermal treatment. Sludge is dangerous material rising from water treatment. Original water pollution is concentrated in sludge. Spectrum of the different methods of sludge disposal is very vast, thermal methods belong to the most advanced ones. Nowadays, legislative rules and regulations make more restrictive, hence sludge disposal is problematic because of economic and ecological view of point. The second part of this diploma thesis is dealt with perspective sludge management at the Central Waste Water Treatment Plant Prague concerning sludge drying and consequent sludge incineration.
|
|
|
Energy balance of urban wastewater treatment plants
Čížová, Barbora ; Bartoník, Adam (referee) ; Hluštík, Petr (advisor)
The research part of the diploma thesis is focused on an issue of energy consumption in sludge treatment at wastewater treatment plants divided by the number of population equivalent. The aim of the practical part is to set indicators and propose evaluative criteria concerning energy performance of urban wastewater treatment plants. The verification of proposed criteria and energetic analysis result from data of the wastewater treatment plant in Novy Jicin.
|
guest ::
