destoner fluid bed dryer spray dryer DESTONER An Oliver Manufacturing Company destoner uses air as a standard rather than water. Since air is lighter than water, the relative difference between particles of differing weights is widened. For this reason, the destoner is a very, sensitive machine and, when operated correctly, can produce a very precise separation. Keep in mind at all times that the destoner is not a "cure all" for the processor's problems. The destoner is a specialized piece of machinery designed to do one job very well. The de-stoner separates particles of a similar size that differ in weight, eliminating heavy trash and stones. The stoner should not be used as a cleaning machine to remove dust, dirt, sticks and other refuse frequently found in harvested crops. In all processing situations, the best results are obtained from the stoner when the product has been thoroughly pre-cleaned and sized, using the proper equipment for these purposes. Under these conditions, the destoner is then able to show what it can really do!