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Application filed by Мале Приватне Підприємство Фірма "Вестар", Малое Частное Предприятие Фирма "Вестар"filedCriticalМале Приватне Підприємство Фірма "Вестар"
Priority to UA2001031550ApriorityCriticalpatent/UA43138A/en
Publication of UA43138ApublicationCriticalpatent/UA43138A/en
The invention concerns the field of water industry – systems of water supply and water drain in which purifying filter with water is used by passing thereof through the layer of light grainy charge. A method for washing the biological filter which consists of the cycle of discharge of liquid to the filter, aeration thereof, subsequent purification and periodic complete washing. Between operations of liquid purification and complete washing the filter cycles of partial washing filter with water supply in the range of 30...70 % of washing consumption are incorporated.
UA2001031550A2001-03-062001-03-06A method for washing the biological filter
UA43138A
(en)