| CONTENTS N7 2003 |
| ENG | 1 | 2 | 3 | 4.1 | 4.2 | 5.1 | 5.2 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ENG | RUS | 1 | 2 | 3 | 4.1 | 4.2 | 5.1 | 5.2 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | RUS |
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THE OREL CITY WATER SERVICE CELEBRETES THE 140th ANNIVERSARY! |
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| Apukhtin E. I., Spivak B. V. THE HISTORY OF THE OREL CITY WATER SERVICE The story of creation and development of the Orel City Water Service, one of the eldest in Russia, is narrated. |
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| Klimov A. N. EXPERIENCE OF THE FREQUENCY ADJUSTÀBLE ELECTRIC DRIVE OPERATION AT PUMPING STATIONS OF WATER SUPPLY AND WATER DISPOSAL IN THE CITY OF OREL The introduction of the frequency adjustàble electric drive at pump stations of the "Orelvodokanal" Municipal Enterprise within the frame of realization of the "Power Saving Program" has made it possible to attain considerable power saving. |
4 |
| TOWARDS THE "AQUATECH-2004" FORUM! | 7 |
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PROBLEMS, PERSPECTIVES |
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| Babiuk V. N. PROBLEMS OF WATER SUPPLY IN THE YAROSLAVL REGION The complex of problems connected with the activity of water supply organization in the Yaroslavl Region has been considered. |
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| Kruglik S. I., Seredkina E. V., Teslya V. G., Furkaylo V. V. THE SPECIFIC FEATURES OF OPERATION OF INTRASTRATAL DEFERRIZATION UNITS The use of intrastratal water treatment at the operating water intakes makes it possible to select optimal conditions of the units operation ensuring the required level of water treatment under different hydrogeological and hydrochemical conditions and at the wells of different design. |
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| Posuponko S. V., Klimukhin V. D., Klimukhin I. V. THE PROGRAM COMPLEX FOR CALCULATION OF AIR-LIFT UNITS The program for calculation of air-lift units is proposed. |
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| Gerasimov G. N. ADAPTATION OF POTABLE WATER TREATMENT TECHNOLOGY FOR NEW CONDITIONS: THE USE OF ULTRAFILTRATION. PART 2 The membrane ultrafiltration is used for treatment of natural waters of different origin in many countries of the world. Its use guarantees 100 % disinfection and makes it possible to improve considerably the flexibility and reliability of the potable water stations operation. Total capacity of the membrane ultrifiltration plants and facilities designed and constructed by ONDEO Degremon on the basis of its original developments exceeds 500 thou m3/d. |
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| Kochetkov A. Yu., Kovalenko N. A., Kochetkova R. P., Reznikov S. A., Shvidky V. D., Shimko Yu. G. COBALT-CONTAINING WASTEWATER TREATMENT The electrocatalytic technology of the cobalt-containing wastewater treatment has been proposed. |
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| Leznov B. S., Malakhova I. A. A SCIENTIFIC AND PRACTICAL SEMINAR "ADJUSTÀBLE ELECTRIC DRIVE AND POWER SAVING AT PUMPING UNITS" |
32 |
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RESOURCE SAVING |
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| Leonov G. V., Rakhlin V. P. POWER SAVING AND CONTROL OF THE ADJUSTABLE DRIVE AT SEWERAGE PUMP STATIONS The algorithm of control of pumping equipment of the sewerage pump stations with the help of a frequency adjustable drive permit-ting to reduce specific power expenditures has been proposed. |
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| Krashennikov S. V. WATER SOFTENING UNITS FOR POTABLE WATER SUPPLY AND INDUSTRIAL WATER USAGE The series of water softening units providing the consumers with water of required hardness and within the wide range of delivery characteristics has been presented |
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| ABSTRACTS OF THE ARTICLES PUBLISHED IN THE ISSUE ¹ 7 | 40 |
| © , 1913-2003 All right reserved. | Project starting 10.06.1999 Last updating 08.08.2003 |