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CONTENTS
| WATERTREATMENT AND WATER PURIFICATION | 4 |
| Semenova I.V. Benchmarking as a method for analyzing the results of industrial tests of innovative water purification technologies | 4 |
| Gudkov A.G., Karpov D.F., Pavlov M.V. Processes modeling of chrome-containing waste watertreatment in a layer of aluminized fibers | 11 |
| ENERGYSAVING TECHNOLOGIES | 17 |
| Tretyakova P.A., Menshikova A.A., Tretyakova T.V. Performance indicators for the use of heat pumps in a district heating system | 17 |
| Amerkhanov R.A., Grigorash O.V., Vorob’ev E.V., Kolomeitsev A.E., Moroz V.V. Energy development in the world and in Russia | 22 |
| Karpov D.F., Pavlov M.V., Sinitsyn A.A. Integrated energy-saving diagnostics of the technical condition of fencing structures of capital construction objects and engineering systems based on thermal control | 29 |
| Polevich A.N., Маrchenko M.E. Analysis of effectiveness of preset and operating steam-water-oxygen cleaning and passivation of steam-water treatment of direct-flow and drum boilers | 34 |
| Savenko A.V. Measures to account for electric energy in rural electric networks aimed at improving the efficiency of their work | 40 |
| RESEARCH, DESIGN, CALCULATIONS | 44 |
| Kirpichnikova I.M., Abdulridha Z.Sh., Almawash А.D. Analysis of the energy situation in Iraq | 44 |
| Ivanitskiy M.S. Development of practical recommendations for selecting the cross section of the flue for continuous monitoring and accounting of emissions of harmful (polluting) substances into the atmosphere of thermal power plants | 54 |
| Kabanova I.A., Ivanova O.A., Bogdanov A.D. Optimization of the process of designing water supply systems using the database of the basic equipment | 60 |
| Rozhitsky D.B., Bardykin Yu.N. Application of a multifactor mathematical model for evaluating the potential of energy saving based on monitoring the functional condition of boilers of Russian railways | 67 |
| Dudareva E.O. Integrated experimental studies of R3G450 radial EC fan | 73 |
