river sand drying machine

  • Sand for Wastewater Drying Beds - University of Tennessee ...

    drying beds. Masonry sand is very fine and will not drain the water away from the sludge. For faster drying, choose a coarse sand that will hold the solids but allow the water to drain. Design Criteria Sand is classified according to two criteria. The first, called the effective size, is the size or diameter of the sand particles. The second,