In the model aeration tank and pilot conditions, there are shown the effectiveness of ceramic aerators made of Artik tufa which is mined in the Republic of Armenia and determined technological parameters of biological and oxidative purification of waste water in the continuous and discontinuous mode of aeration. 

Keywords: aerators tuff, continuous and discontinuous mode of aeration, Artik field, biological and oxidative purification, waste water, process parameters.

The basic problem in systems engineering (water), high-rise buildings, and buildings with unusual design and space-planning decisions. The task of research work in this field - the development of the algorithm optimization of water supply systems of buildings.

Keywords: water system, optimization, hydraulic reliability, energy efficiency, automation, the algorithm

The influence magnetic field on treatment of electroplating wastewater and sludge has been investigated. The increase in efficiency of processing electroplating wastewater and sludge by using magnetic field has been noted.

Keywords: water treatment, electroplating wastewater, magnetic field, electrocoagulator

The treatment of electroplating wastewater in electrocoagulator with bulk anodes has been described. Passivation and depassivation in metal shavings process chemistry has been analyzed.

Keywords: water treatment, electroplating wastewater, activation, electrocoagulator, electrode, passivation

The mathematical model of storage reservoir has been deduced. The deposition rate of particles in reservoir has been calculated. It is concluded that storage reservoir is a preliminary sedimentation tank.

Keywords: storage reservoir, preliminary sedimentation tank, mathematical model, deposition rate

The results of the study ambulances unpressurized water filter Alexander Rostov-on-Don. Studied the results of operation of rapid filters in the application of organic and mineral coagulant flocculent and exceeding design capacity of more than 1.5 times. The measures to restore the characteristics of the filter load.

Keywords: rapid filters, filter loading, washing, residual contamination

The model of a platform of a predrying of the precipitation which is forming at stations of purification of natural waters of superficial sources, with data presentation of the comparative characteristic of its work is described. The specified methodology of calculation of a platform of a predrying of a deposit taking into account factors of an intensification of process is offered by engineering and technological means.

Keywords: water deposit, predrying platform, evaporation, filtration, capillary phenomenon

Article is devoted studying of design parameters water jet aerator. Water jet aerator it is used for saturation of water by oxygen on purification works. In article research methods are described, in particular, possibility of use of computer modeling by means of program complex ANSYS 11 is considered.

Keywords: Water jet aerator, purification works, computer modeling, and jet aeration.

  The theoretical and experimental study of wastewater treatment technology pools for pinnipeds content for their return to the use of recycling. The quantitative and qualitative composition of impurities in the pool enclosure for pinnipeds. The technology of cleaning, proven on existing dolphinarium in Gelendzhik. Experimental results presented in the paper allow us to recommend the proposed technology for use. The paper presents results of calculation of the economic efficiency of the proposed technology. Keywords: dolphin, waste water treatment, sea water, pinnipeds, ultraviolet light, ozone filtration.

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