02-2010Number 2/2010

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№2|2010

RESOURCES SAVING

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UDC 628.335.1

GALKIN Yu. A.

Development and the Use of Settling Tank-Flocculators for Treatment of Recirculated Water at Metallurgical Works of Russia and Ukraine

Summary

It is told about the development by the scientific-engineering firm EKO-PROJECT and introduction at the metallurgical enterprises of Russia and Ukraine of a series of compact, highly efficient settling tank-flocculators intended for treatment of recirculated water of technological units, industrial-storm wastewater and water conditioning. Application of one-stage schemes of advanced wastewater treatment instead of two-level ones at settling tank-flocculators in a complex with new technology of gravitational dewatering of sludge produced therein allows to improve essentially all technical, economic and ecological indicators of water management of metal works.

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№2|2010

RESOURCES SAVING

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UDC 696.4:662.997

SEMENOV I. Je., RYZHENKO S. N.

Solar Mobile Module Plants of Hot Water Supply

Summary

The use of solar energy for hot water supply is the simplest trend technologically and the most progressive one practically. New designs of flat solar collectors and hot water tank-accumulators for solar hot water supply plants are proposed. A highly efficient mobile module plant of solar hot water supply has been developed and manufactured.

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№2|2010

RESOURCES SAVING

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UDC 541.183:697.932.6.001.2

AHMEDOV G. Ya.

Enhancement of Efficiency of the Use of Geothermal Water for Hot Water Supply

Summary

Results of the study of the fractional composition of sand coming by with geothermal water from Apsheron, Karagan and Chokrak aquifers, and also its influence on kinetics of the precipitation of the solid phase of calcium carbonate from of geothermal water solutions are presented. A design scheme of effective use of geothermal water for hot water supply and heating is resulted.

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№2|2010

RESOURCES SAVING

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УДК 628.32

CHURBANOVA I. N., PEVNEV S. G., DATLOVA T. V.

Progressive Techniques of Wastewater Treatment under Restricted Conditions of Urban Development and Power Consumption Limitation

Summary

A flow chart of advanced biological treatment of wastewater under restricted conditions of a development territory and minimization of power consumption for technological needs is presented. This flow chart makes it possible to design and modernize the stations of any output ensuring the achievement of standards of wastewater treated.

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№2|2010

PROBLEMS, PERSPECTIVES

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UDC 628.162.8

KINEBAS A. K., JAKOVLEV V. Ju.

Introduction of Two-Stage Scheme of Water Disinfection at Waterworks of St. Petersburg

Summary

It is told about the modernization of systems of water disinfection at waterworks of St. Petersburg using sodium hypochlorite and ammonium sulphate. It has allowed to liquidate completely the threat of affecting the city’s territory and population with highly toxic substances (gaseous chlorine and ammonia) owing to possible failures at industrial sites of the State Unitary Enterprise Vodokanal Sankt-Peterburga and at transportation of liquefied chlorine and ammonia solutions, and also to exclude chlorine and ammonia influence on the environment in the case of equipment depressurization. Introduction of the technology of water disinfection with ultra-violet irradiation has favored the realization of the concept of multiple barriers at potable water disinfecting at the city’s waterworks.

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№2|2010

PROBLEMS, PERSPECTIVES

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UDC 628.11.004.6

NEFEDOVA E. D., BOROVICKAJA Je. Ju.

The Use of Ground Water for Reserve Water Supply of St. Petersburg at Emergency Situations

Summary

It is told about the realization of The Target Program of Organization of Reserve Water Supply of St. Petersburg at Emergency Situations in Peacetime and for a Special Period at the Cost of Operation Reserves of Ground Water. The use of underground sources available on the city’s territory will make it possible for the State Unitary Enterprise Vodokanal Sankt-Peterburga to guarantee the water supply of the megalopolis population at emergency situations.

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№2|2010

PROBLEMS, PERSPECTIVES

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UDC 628.16.067.1

Filatov A. I., SHAPOVALOV V. I., RAJKIN L. L.

Design Features and Experience of Porous Drainage Systems Operation in High-Rate Filters

Summary

Design features and multiyear experience in operation of porous drainage systems of two types in high-rate filters are expounded. Drainages ensure a high level of uniformity of washing across the filters’ area.

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№2|2010

PROBLEMS, PERSPECTIVES

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UDC 628.162

GALPERIN E. M.

Improvement of a Design Model of Operation of a Ring Water Supply Network

Summary

Issues of improvement of the design model of operation of the ring water supply network taking into account statistical data on its operation are considered. It is proposed to make corrections in the standards of water supply systems designing and supplement them with execution of reliability calculations of the ring water supply network.

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№2|2010

PROBLEMS, PERSPECTIVES

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UDC 628.16.085

GUSEVA O. A., GERASIMOV M. M., SMIRNOV A. D.

Modernization of the Process of Secondary Water Disinfecting in the Treatment System (on the Example of the Amur)

Summary

Results of the research of various modes of water disinfecting (chlorination, the UV-irradiation) at a special pilot test complex are submitted. Data on the virological and bacteriological analysis of water under the conditions of background and high microbiological pollution of the Amur are presented.

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