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Jet Fans Airing Quarries in Combination with a Device for Aerating
Engineering Education # 01, January 2015
DOI: 10.7463/0115.0755210
pp. 32-41

# 11, November 2014
УДК: 628.349.087

# 07, July 2013
УДК: 628.349.087
Intensification of aeration of pits with the use of guiding devices
Engineering Education # 06, June 2013
DOI: 10.7463/0613.0577364
The design of the guiding device was developed for intensification of aeration of pits, which allows one to increase the speed of straight and inverse air streams in working zones of excavations during weakened natural air exchange, and improve working conditions. On the basis of modeling and analysing research results, optimum parameters of an aeration device were determined; aerodynamics of air streams in pits with various geometry of the developed space was investigated; calculated dependences for determination of speeds of air wind currents were obtained. Thus, use of a guiding device increases efficiency of aeration of the developed space of a pit at the expense of increase in speed of a wind stream on failure into a pit, reduction of volume of a circulation zone and reduction of speeds of air streams in it.
Development of electroflotation devices and their testing
Engineering Education # 07, July 2012
DOI: 10.7463/0712.0431540
 This paper describes researches on inseparable methods of microorganism's biomass production, particularly - yeast biomass production by electro-flotation. The obtained data show that electro-flotation rate with separation of electrode spaces is approximately twice as high as the rate of regular flotation. For intensification of regular flotation and obtaining stable results, a laboratory plant with ejection flotation was created. Such flotation plant has advantages in formation of very small air bubbles. A set of experiments was carried out to prove the possibility of yeast suspension separation with vibration filters (acoustical filters) and hydro cyclones. The obtained data show high potential of inseparable methods of microorganism's biomass production including methods based on flotation. On the basis of these results, the electro-flotation tank allowing one essentially to increase efficiency of water purification at smaller specific energy consumption was developed and patented.
77-30569/223619 Electro-flotation treatment of microbiological manufactures wastewaters
Engineering Education # 10, October 2011
In this paper have been studied basic technological aspects of electro-flotation treatment of microbiological manufactures’ wastewaters. It is shown, that using electro-flotation treatment may result in significant decrease of suspended and diluted organics in wastewater. Duration of flotation and approximate energy consumption level have been also estimated.
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