FIELD: washing of pressure filters. SUBSTANCE: process for washing a single-layer pressure filter comprises lowering the water level in the filter shell until the fluidized bed level is reached. Then the filter bed is air-loosened. The washing water and the air are supplied until the washing water level attains a drain device. Then the air supply is cut off and the washing water delivery is increased. EFFECT: increased efficiency of filter washing. 2 dwg
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