Why are chimneys required at Oil Refineries?

chimney

Presumed to be chimneys, those are Flare Stacks, which are there at the oil refineries. It is used for burning the extra natural gases using chemical processes, from the pressure relieved valves for protecting refinery equipment as with the system’s normal pressure, it won’t burn and can cause an explosion. These Flare Stacks resemble a … Read more Why are chimneys required at Oil Refineries?