DEVICE AND METHOD FOR CLEANING FLUID MEDIUM BY MEANS OF FILTERING LAYER Russian patent published in 2019 - IPC B01D24/26 B01D24/46 

FIELD: chemistry.

SUBSTANCE: invention relates to device and method for cleaning of fluid medium, such as industrial waste water or ground water, by means of filtering layer. Device includes reservoir (1) for placement during operation of filtering layer (2) with loose filtering material; transport system (8) configured during operation to transfer filter material from cavity (5) under filtering layer (2) to position (17) above filtering layer; fluid inlet (14) for introducing cleaned fluid into device; mixing section (3) made with possibility during operation for production of mixture of fluid medium from inlet of fluid medium and loose filtering material from filtering layer in part of reservoir under mixing section; and plurality of gaslift injectors (4), wherein each gas-lift injector (4) is configured during operation to transfer fluid mixture from fluid inlet (14) and loose filter material from filtering layer (2) into cavity (5).

EFFECT: invention provides optimum continuous process of water purification.

18 cl, 9 dwg