Salt Drying. Weather produced by natural evaporation in ponds, or mined as rock salt, in the upgrading process to clean salt crystals, salt drying is a crucial step. Tema Process supplies advanced fluid beds for salt drying applications ( sea-salt, rock salt , vacuum salt or brines) in a large range of capacities , manufactured in corrosion resistant AISI-316 and other grades. Smart designs for heat recovery can be integrated to reduce the operational cost.