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Nikolaevich T.A.,Donbas State Technical University Don
Water and Ecology | Year: 2015

In operation of the ultrafiltration module its performance characteristics eventually go down. According to opinions of the majority of researches the main reason of it is the pollution particle accumulation on the surface of membrane in the ultrafiltration module. The process of the pollution particle accumulation on the surface of membrane mainly depends on a selected hydrodynamic operation mode of the ultrafiltration module (tangential and dead-end modes). It is more preferable to use a tangential mode with an optimal selection of the liquid flow rate in the module pressure passage for industrial ultrafiltration modules. Currently there is no exact theoretical justification on selection of the optimal performance parameters for the ultrafiltration module and for the unit in general. The presented work is aimed to expand the theoretical background on studying the operation features of the ultrafiltration module that will allow improving the reliability and service time of the whole ultrafiltration unit. © 2015, Vodoproekt-Giprokommunvodokanal.Sankt-Peterburg. All rights Reserved.


Drozd G.Ja.,Donbas State Technical University Don | Pashutina E.N.,Lugansk National Agrarian University | Davydov S.N.,Lugansk National Agrarian University
Water and Ecology | Year: 2014

The problem of wastewater sludge utilization is examined. It is presented that the quality of sludge predetermines the way of its utilization. Techonology of vermicomposting (vermicultivation) is more preferable for agricultural use of waste water sludge. In this case the concentration of some toxicants (from the list of heavy metals) is reduced to 48%. Produced fertilizer-biohumus is a popular product of wastewater sludge utilization.


Nikolaevich T.A.,Donbas State Technical University Don | Grigor'evich C.V.,Donbas State Technical University Don
Water and Ecology | Year: 2015

The roll ultra filtration module of standard design is defined by reduction of shared liquid flow travel speed lengthwise the membrane element pressure passage. Along with that the pollution particle concentration in shared liquid at its filtration in the roll ultra filtration module constantly increases from the pressure passage input to its output. Thus, it is obvious that the maintenance of the stable travel speed of shared liquid flow along the length of the membrane element pressure passage with constant partial discharge of polluted liquid will assist in improvement of performance characteristics of the roll ultra filtration module in time. The design of the roll ultra filtration module which allows maintaining the relatively stable travel speed of shared liquid flow length-wise the membrane element pressure passage. © 2015, Vodoproekt-Giprokommunvodokanal.Sankt-Peterburg. All rights Reserved.

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