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РЕЗЮМЕ
Дан обзор литературы в области денитрификации питьевых вод за последние 20 лет. Рассмотрены основные источники загрязнения питьевых водз нитратами. Указаны направления научно-исследовательской и внедрительекой деятельности в развитых странах. Проанализированы физические и физико-химические методы очистки питьевых вод от нитратных йонов. Особое внимание уделено методам биологической денитрификации. Проведено технико-экономическое сравнение основных методов и технологии для очистки питьевых вод от. нитратных йонов.
SUMMARY
The present review is devoted to the drinking water denitrification during the last 20 years. The main sources of pollution by nitrate ions were considered. The basic fields of scientific research and practical application in the developed countries were defined. The physical and physicochemical methods for potable water purification from nitrate ions were analysed. A special attention was paied to the biological denitrification methods. An economical comparison of the different methods and technologies for drinking water purification from nitrate ions was preformed.