Hydrocracking & hydrotreating

Layer 2 — Chemistryin the Petrochemistry And Industrial subtree

High-pressure H2 + NiMo/CoMo-Al2O3 sulfide catalyst cleaves heavy fractions (hydrocracking) or removes S/N/O/metal heteroatoms (hydrotreating → ULSD). Bifunctional acid/metal sites.

Related concepts

Heterogeneous catalysis
Fractional distillation of petroleum
Fluid catalytic cracking (FCC)

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