In the world of carbon materials, the term "coke" has deep industrial roots—originating from metallurgical processes where coal was heated in the absence of oxygen to create metallurgical coke (metcoke). This terminology carried over into the oil refining industry, giving rise to petroleum coke, or petcoke. Types and Abbreviations: Petcoke comes in several forms, the…

High-quality biodiesel starts with high-quality feedstock. To meet international standards such as EN 14214 (EU) or ASTM D6751 (US), biodiesel must comply with strict chemical and physical parameters that ultimately trace back to the composition of the oils or fats used in production. Let’s explore four critical parameters that shape both biodiesel quality and the…