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Possibilities Of Recycling Of Li-Ion
Accumulators
Karmazínová, Kateřina
This paper is concerned with topic of lithium-ion batteries recycling. In this document the particular methods containing commercial used recycling processes or only laboratory used processes are discussed. Because rising amount of spent Li-ion accumulators is necessary find proper methods to recycle this type of accumulators. In practical part is described procedure and results performed recycling method.
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Use of FRP Composites as Reinforcing Material for Concrete
Kratochvílová, Denisa ; Prokeš,, Jan (referee) ; Bodnárová, Lenka (advisor)
Because FRP composites have high fiber strength and good durability, they are increasingly used for repairs, modernisation and reconstruction of concrete structures. In practice, however there is a risk of premature separation of FRP reinforcement from concrete. This can be avoided by appropriate selecting the fibers and the matrix and the appropriate shape of the reinforcement. The actual materials and consistency of FRP reinforcement with concrete are also covered by this diploma thesis.
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Harvesting and reuse of cellulose from wastewater
Kobzová, Kamila ; Úterský, Michal (referee) ; Hlavínek, Petr (advisor)
The goal of this diploma thesis is to highlight the properties of cellulose fibers obtained from waste water and the importance of recycling of raw materials. The main objective is then to further explore the possibilities of using cellulose fibers as a valuable product on the market. The practical part of the thesis is focused on specific research of cellulose properties and design of equipment for sewage treatment plant according to its size.
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The issue of heat treated waste and optimization of properties for their use in construction
Čermák, Jan ; Mareček,, Jan (referee) ; Žižková, Nikol (referee) ; Kohoutková,, Alena (referee) ; Šťastník, Stanislav (advisor)
Given the increasing consumption of plastic materials their reuse becomes a very topical issue. Recycling the single-cleaned plastic waste is simple, these products can be used as raw material or additive in the manufacture of new products. The problem remains the energy, economic and environmental demands in sorting, cleaning and eventual regranulation of waste to a suitable feedstock. This problem can be solved using technology that is able to handle multiple-type waste thermoplastics in further useful products.
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Influence of aged bituminous binder on the properties of polymer modified bitumens
Pecha, Marek ; Koudelka, Tomáš (referee) ; Varaus, Michal (advisor)
This bachelor thesis deals with problematics of polymer modified binders specially designed for production of asphalt mixtures containing Reclaimed Asphalt. These polymer modified binders are referred to in the literature as PMB RC (polymer modified bitumen for recycling). The first part of the thesis is focused on obtaining different types of PMB RC from various european producers. These binders were subsequently tested using empirical tests of asphalt binders for the classification purposes according to ČSN EN 14023. In the next part of the thesis the influence of the addition of aged asphalt binder on the properties of individual PMB RC was assessed. Mixing of binders was done to simulate the production of asphalt mixture in a mixing plant, where the binder of the Reclaimed Asphalt and the freshly added binder are mixed together. An assessment of the effect of the aged binder on PMB RC behavior was also carried out using conventional asphalt binder tests.
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Pavement milling
Žižka, Tomáš ; Dašek, Ondřej (referee) ; Hýzl, Petr (advisor)
The aim of my bachelor thesis, which is a research based, is the processing of knowlegde of road milling works. The first part of the thesis is focused on the usage of milling. In the following section, I focused more on the milling process itself, technology and types of milling equipment. Part of this work is introduction of modern milling methods as well as introduction of three companies in the Czech Republic which operate on road milling works. Last part is focused on standard milling regulations. The thesis was done for study purposes.
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Usability of hig speed water jet in civil engineering
Boucníková, Veronika ; Sitek,, Libor (referee) ; Bodnárová, Lenka (advisor)
The bachelor thesis deals with possibilities of using high-speed water jet in construction industry. In the theoretical part, water jet technology was generally described and a research for use in the construction industry with an emphasis on the application of concrete structures redevelopment and the process of interaction of water jet with concrete was done. Furthermore, the safety risks during work with high-speed water jet and the possibilities of recycling of waste generated by the use of this technology were evaluated. In the experimental part were prepared concrete samples with dispersed concrete reinforcement. The characteristics of the concrete samples were determined and the depth and appearance of the cross-section after interaction with the high-speed water jet was evaluated.
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