In phosphate and potash mining Ducon equipment is supplied in a wide variety of constructions to meet the particular environmental conditions of abrasion, corrosion, heat and erosion. These constructions include alloys, refractory linings, rubber linings and solid plastic. In phosphate operations Ducon refractory-lined cyclones and Dynamic, Centrifugal, and Venturi scrubbers are used on grinding mills, driers and calciners.

In potash drying. both rotary and fluid bed, the same equipment is used. rubbers are also used in compaction, screening, load out and other operations.