 Number 1/2010
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Exchange of Experience in the Reformation of WSS Systems and Implementation of Programs of Improvement of Quality of Small Cities’ Water Supply Systems
Summary
Российская ассоциация водоснабжения и водоотведения совместно с Водоканалом г. Клина проводят 10–12 февраля 2010 г. межрегиональную практическую конференцию по обмену опытом в реформировании систем ВКХ и реализации программ улучшения качества водоснабжения малых городов.
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UDC 628.162/.163
Pavlov A. A., Dziminskas Ch. A., Kostyuchenko S. V., Zaytseva S. G.
Modern Technologies of Potable Water Preparation at the Sludinskaya Waterworks of Nizhny Novgorod
Summary
It is told about introduction, for the first time in Russia, of modern technologies of preparation of potable water at the Sludinskaya waterworks of Nizhny Novgorod: chlorammonization, ozonization, optimal system of coagulation, UV-disinfection that has allowed to optimize operational costs, to minimize negative by-effects and to provide high quality of potable water.
Key words:
potable water , water supply system , chlorination , ozonization , flocculants , disinfection , ultraviolet , chloramines
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UDC 628.162.5.001.2
Ganbarov E. S., Safarova A. S.
Treatment of Wash Water of Filters and Water Disinfection at Water Treatment Complexes of the Azerbaijan Republic
Summary
Results of studies carried out for determination of efficiency of clarification and investigation of influence of quantity and quality of the wash water supplied to a head of treatment facilities on the subsequent process of treatment are presented. For full disinfection of water it is proposed to use a disinfectant received by electrolysis of a solution of salts of alkaline metals and mineralized ground water directly at the territory of water treatment station.
Key words:
disinfection , wash water of filters , clarification , settling , filtration , reagent treatment
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UDC 621.65:62-531.3:628.1
Goryunov A. N.
Interaction of Pumping Plants of the First Lift and Water Treatment Facilities
Summary
To ensure the effective work of a water treatment station, the coordination of operating modes of a pump station of the first lift with maintenance of the predetermined level at treatment facilities or in pure water tanks, and maintenance of the predetermined discharge to treatment facilities as well depending on the city’s water consumption is necessary.
Key words:
potable water , pumps , startup mode , treatment facilities , frequency of rotation , tank , turbidity , adjustable electric drive
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UDC 502.55:628.1:691.42
Lebukhov V. I.
Utilization of Sludge of Water Supply Treatment Facilities
Summary
A possibility of the use of sludge of potable water supply treatment facilities for production of pottery is investigated. Technological tests show that the use of sludge of the Khabarovsk’s treatment facilities as additives to common clays in a dose up to 15% of raw material weight makes it possible to solve a problem of their utilization without a decrease in quality of a produced product. The possibility of the use of treatment facilities sludge in a dose from 3 to 15% as alloy additives making it possible to improve plasticity of ceramic mass, to improve conditions of its sintering, to reduce parameters of shrinkage at all technological stages of preparation of raw materials and manufacturing of products, to reduce the size of pores generated and to improve indices of water-absorbing ability is established.
Key words:
utilization , sludge , treatment facilities of potable water supply system , silt , natural clays , building ceramics
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UDC 628.247.1:628.293:62-982
Khrenov K. E., Bogomolov M. V., Dudchenko T. O., Pronin A. А., Sheynin E. V., Ishmuratov R. R.
Wastewater Vacuum Pumping Plant
Summary
The experience in introduction of modern technologies of MGUP Mosvodokanal in the course of reconstruction of sewerage gravity-flow conduits and collectors including with use of vacuum pumping of wastewater is described.
Key words:
sewer system , reconstruction , diagnostics , siphon , polyethylene , vacuum , pumping
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UDC 628.33.001.2
Simulation and Calculation of Sedimentation Tanks
Summary
Results of the study of processes of water treatment for suspended substances are presented. In the course of calculation of facilities and apparatuses used for extraction of the suspended phase of contamination, it’s necessary to take into account its disperse composition, density, concentration, surface properties of the liquid phase and the indicator of flows dynamics.
Key words:
sedimentation tank , suspended substances , kinetics , filtrate , diffusion , Agglomeration
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