National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.01 seconds. 
Mechanical pretanning in sewage works
Černý, Marian ; Grosman, Martin (referee) ; Němec, Zdeněk (advisor)
The bachelor thesis contains a literature search dealing with mechanical equipment of waste water treatment plants. After introduction of waste treatment there is stated some description of technical and construction search of particular equipment, system of their operating, analysis of their operation parameters and their using on waste water treatment plants in this bachelor thesis. There are described typical ordering of particular equipment in to technological lines on waste water treatment plants. The bachelor thesis contains description of self-cleaning screen, hand skimmed screen, mechanical coarse screen, mechanical fine screen, equipment for grit and sand removing, skimmed cylinder strainers, screw conveyors, screw presses for screenings with washing and integrated coarse pre-treatment. There are published some schemes, sketches, photos and tables of technical parameters above mentioned equipment in this bachelor thesis. The sketches of technical drawing character are treated in Autodesk ACAD 2005 program.
Sludge pretreatment and its further utilization
Němec, Jan ; Dlabaja, Tomáš (referee) ; Elsässer, Thomas (advisor)
The thesis deals with methods of pre-treatment (disintegration) of sewage sludge, which offers an opportunity for better operation of a waste water treatment plant. The introduction is aimed at sewage water and sludge dividing, and then at their characteristics. In this thesis a current state of sludge disposal within the reference to the legislature and how to divide the methods of disintegration is also marked. Afterwards a description of selected methods of sludge disintegration, their comparison and the applicability of thermal disintegration to pasteurization of sewage sludge is included.
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.

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