Coal dryers are primarily used to dewater and dry high-moisture raw coal, coal slime, and pulverized coal. By reducing moisture content, the process facilitates storage, transport, and downstream processing.

Spent brewer's grain is a primary by-product of the beer brewing process, consisting of the solid residue left after the fermentation and filtration of barley malt and adjuncts.

Olive pomace dryers are specialized drying systems designed to handle the unique characteristics of this material.