Coke (fuel)

<p>Coke is a grey, hard, and <a href="/facts/Porous/UoyAJU8X">porous</a> coal-based fuel with a high <a href="/facts/Carbon/ukrgQexo">carbon</a> content. It is made by heating <a href="/facts/Coal/83kV3qxg">coal</a> or <a href="/facts/Petroleum/IQV0bHVd">petroleum</a> in the absence of air. Coke is an important industrial product, used mainly in <a href="/facts/Iron_ore/rQMEvgMh">iron ore</a> <a href="/facts/Smelting/Ghdvhlga">smelting</a>, but also as a fuel in <a href="/facts/Stove/KlLJu3dz">stoves</a> and <a href="/facts/Forge/B1JVtzy4">forges</a>.
</p><p>The unqualified term "coke" usually refers to the product derived from low-ash and low-sulphur <a href="/facts/Bituminous_coal/ETUBa9ee">bituminous coal</a> by a process called <a href="/facts/Coking/0VfoJHun">coking</a>. A similar product called <a href="/facts/Petroleum_coke/mdhE1IDD">petroleum coke</a>, or pet coke, is obtained from crude petroleum in <a href="/facts/Oil_refinery/yeaW0UMv">petroleum refineries</a>. Coke may also be formed naturally by <a href="/facts/Geology/WGvVRIYF">geologic</a> processes.  It is the residue of a <a href="/facts/Destructive_distillation/wtNd7vB8">destructive distillation</a> process.
</p>

Coke (fuel) open-in-new

Coke (fuel)