Sand washers - Import export

Application Standard grit trap contents have an organic proportion of 50 to 80 %. Conventional sand washers are able to dewater the grit trap settlings only partially. But, the high organic content and the lack of dry substance bring on unpleasant odour, high weight and, as a consequence, high costs for disposal. With the PWL Sand Washer the organics in the grit trap can be nearly completely washed out. This results into a reduction of mass of up to 80 % and might cause cost savings of up to 90 % when being disposed on a construction waste landfill. This procedure can be applied in industry, as well, to separate valuable materials from waste. Due to the separate discharge of the various fractions they can be further treated, recycled or disposed. Thus, valuable materials can be returned to the production process and waste material be disposed at low costs and correctly sorted. Function The PWL Sand Washer is fed with a sand-water-mixture. The settled sediment mixture is conveyed...