What are the byproducts of the process?
Elemental sulfur and mineral slag are salable byproducts of the gasification of petroleum coke. Sulfur is used in a wide variety of industrial processes and is also part of the mechanism that lets the body utilize oxygen. It is an almost odorless, lemon-yellow crystal at room temperature. Slag is a non-hazardous, glass-like material that is useful as an aggregate in concrete. It is commonly used as an additive to make roads harder.