Why are some industrial chimneys so high, like what’s the difference if it’s 150 or 300 meters?

Question

Why are some industrial chimneys so high, like what’s the difference if it’s 150 or 300 meters?

In: Engineering

Answer 1

Industrial chimneys allow the reclamation of gasses that will seperate and condense based on altitude and cooling as the exhaust rises. Some of these smokestacks are built to channel those chemicals back for reuse. Happens a lot on Petro chemical factories.