Gravity belt thickeners are used for dewatering sludges, like lime sludges in drinking-water systems and waste sludges from wastewater systems. DJ Gongol & Associates serves as the representatives in Iowa and Nebraska for the Charter Machine Company, which manufactures American-made gravity-belt thickeners.

Unlike a full belt-filter press, a gravity-belt thickener relies solely upon the ordinary action of gravity to help dewater the sludge.

last revised September 2010