N-Methyl-pyrrolidone (NMP ,CAS:872-50-4 ) is a highly versatile solvent known for its excellent chemical stability, high polarity, and strong solvency power. While NMP is widely used in industries such as lithium batteries, pharmaceuticals, and coatings, it also plays a critical but often overlooked role in the petrochemical industry . This article explores how NMP is applied in petrochemical processes, particularly in aromatic extraction, lubricating oil refining, and gas purification , and how it enhances overall efficiency. 1. Aromatic Hydrocarbon Extraction One of the primary applications of NMP in petrochemicals is the selective extraction of aromatic hydrocarbons (like benzene, toluene, and xylene) from feedstocks. Why NMP? Its high selectivity and ability to dissolve aromatics make it ideal for separating valuable aromatic components from aliphatic hydrocarbons. Process Example : In extractive distillation and liquid-liquid extraction systems, NMP helps i...