Yes. Removing foreign material helps ensure a cleaner, more consistent final product.

Not always—but as production grows, the risk (and cost) of contamination makes it a smart addition.

A coffee destoner removes stones, metal fragments, and other dense contaminants from roasted coffee beans.

A coffee afterburner reduces smoke, odor, and VOC emissions by burning them off before they exit the roastery.

In many cities, yes—especially for larger roasters or urban locations. Always check local regulations.

Thermal units use higher heat; catalytic units use a catalyst to lower the required temperature. Both aim to reduce emissions.