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Design parameters of filtration materials for small constructed wetlands
Fialová, Tereza ; Rozkošný,, Miloš (referee) ; Kriška-Dunajský, Michal (advisor)
Constructed wetlands and the soil filters are water treatment devices using the filter material that in most cases consists of natural river gravel, coarse sand or crushed stone. This thesis deals with the research of unconventional filtration materials, or more precisely with examination of their ability to be used as an alternative medium that can ensure better cleaning effect. For the research work following metallurgical industry materials were used: slag, waste from cipres filter, waste from the molding mixture, waste from large blasters and small blasters, sand filter material ČEZ, the coarse crushed slag 8-16 mm and as the last alternative medium ground coffee beans. Both the hydraulic and the chemical aspect of all above mentioned materials were tested (except of the last mentioned). The examined hydraulic parameters are particularly porosity, hydraulic conductivity, bulk density, particle density, chemical composition and concentration of chemical extracts. By evaluating the results of the measurements it is determined which materials are suitable to be applied in the constructed wetlands and the soil filters. In future the testing will continue under real operating conditions in the constructed wetland, where particular column filtration units (selected according to results of previous measurement) will treat real sewage water.
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Concept of wastewater solution for village Třebešov
Chaloupka, Ondřej ; Pumprlová Němcová, Miroslava (referee) ; Kriška-Dunajský, Michal (advisor)
Water is the essential building block of life on the planet Earth. Its importance was overlooked in the past and quality of water in surface watercourses noticeably dicreased. It is an important fact, that according to the principles of sustainable development water became treated more economically and the water, wich people use, started to be cleaned properly before discharging back into the nature. One possible method is using of vertical sand natural filters. The Bachelor thesis deals with a possible solution of treatment wetlands for the village Třebešov. In this village there is located only an united sewer and therefore a water reservoir for rain water will be part of the design. In this water tank the rain water diluted with sewage will be cleaned through floating island technology.
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Concept of wastewater solution for village Třebešov
Chaloupka, Ondřej ; Pumprlová Němcová, Miroslava (referee) ; Kriška-Dunajský, Michal (advisor)
Water is the essential building block of life on the planet Earth. Its importance was overlooked in the past and quality of water in surface watercourses noticeably dicreased. It is an important fact, that according to the principles of sustainable development water became treated more economically and the water, wich people use, started to be cleaned properly before discharging back into the nature. One possible method is using of vertical sand natural filters. The Bachelor thesis deals with a possible solution of treatment wetlands for the village Třebešov. In this village there is located only an united sewer and therefore a water reservoir for rain water will be part of the design. In this water tank the rain water diluted with sewage will be cleaned through floating island technology.
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Design parameters of filtration materials for small constructed wetlands
Fialová, Tereza ; Rozkošný,, Miloš (referee) ; Kriška-Dunajský, Michal (advisor)
Constructed wetlands and the soil filters are water treatment devices using the filter material that in most cases consists of natural river gravel, coarse sand or crushed stone. This thesis deals with the research of unconventional filtration materials, or more precisely with examination of their ability to be used as an alternative medium that can ensure better cleaning effect. For the research work following metallurgical industry materials were used: slag, waste from cipres filter, waste from the molding mixture, waste from large blasters and small blasters, sand filter material ČEZ, the coarse crushed slag 8-16 mm and as the last alternative medium ground coffee beans. Both the hydraulic and the chemical aspect of all above mentioned materials were tested (except of the last mentioned). The examined hydraulic parameters are particularly porosity, hydraulic conductivity, bulk density, particle density, chemical composition and concentration of chemical extracts. By evaluating the results of the measurements it is determined which materials are suitable to be applied in the constructed wetlands and the soil filters. In future the testing will continue under real operating conditions in the constructed wetland, where particular column filtration units (selected according to results of previous measurement) will treat real sewage water.
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