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Digital twin skin of the drinking water treatment plant - development and use in practice
Sochorová, Helena ; Andreides, D. ; Hložanka, F. ; Prokopová, Michaela ; Stejskal, O. ; Chalupa, L. ; Šmejkalová, P. ; Dolejš, P.
The contribution presents experiences with the development of a digital twin for optimizing the control of the DWTP within the pilot project in the Železná Ruda locality. The digital twin consists of two components, i.e. digital documentation in the object architecture processed by the reverse engineering process, which is data-connected with the real physical infrastructure (virtual replica of the infrastructure) and a simulation tool based on a mathematical model or a neural network (simulation of the water treatment process). Both components are accessible to the user via a web application, in which one can choose from three operating states (monitoring of the real state - default, simulation of scenarios of operating settings and prediction of pressure loss).
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Characterisation and elimination of compounds difficult to remove during water treatment
Čermáková, Lenka ; Pivokonský, Martin (advisor) ; Sochorová, Helena (referee) ; Brányik, Tomáš (referee)
The Ph.D. thesis deals with the characterization of algal organic matter (AOM), which is difficult to remove in water treatment, and on the basis of AOM character, various methods for its elimination, e.g. coagulation, oxidation with subsequent coagulation and adsorption onto activated carbon are assesed. Special emphasis is placed on identifying the optimal conditions of the processes and on describing the mechanisms and interactions involved. In terms of anthropogenic micropollutants, the thesis deals with the highly topical issue of the occurrence of microplastics in water. It was found that the removal efficiency of the individual AOM components varies substantially depending on the elimination method used. The identified optimum conditions of individual methods and especially the mechanisms that apply to the removal of target substances varied widely. The non-proteinaceous fraction of AOM was removed with very low efficiency (max. 25%) by conventional coagulation even under optimized conditions (pH 6.6- 7.5 for aluminium sulfate as the coagulating agent and pH 7.5-9.0 for polyaluminium chloride) and it was given by the high content of low molecular weight (LMW) substances that are difficult to coagulate. The dominant coagulation mechanism was adsorption onto aluminium hydroxide precipitates....
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Transformace nemocenského pojištění v ČR
Sochorová, Helena ; Krebs, Vojtěch (advisor) ; Stočková, Olga (referee)
Diplomová práce se zabývá konkrétními změnami v systému nemocenského pojištění a charakterizuje vývoj jednotlivých charakteristik tohoto systému. Práce je rozdělena do pěti kapitol. První se zabývá základními charakteristikami systému, a popisem vývoje nemocenského pojištění. Druhá pak konkrétně popisuje jednotlivé dávky poskytované v rámci nemocenského pojištění, podmínky nároku atd. Další kapitola popisuje vývoj nemocnosti a faktory, které ji ovlivňují, včetně vývoje příjmů a výdajů systému nemocenského pojištění. Čtvrtá kapitola popisuje zásadní změny nového zákona a poslední kapitola je přehledem dávek a fungování tohoto systému v zemích EU.
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