B01D24/4605 - CPC Classification

Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof; Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer

• B01D24/461 » {by scrapers} 5
• B01D24/4615 » {by brushes} 1
• B01D24/4621 » {by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream} 12