Process for purification of methyl methacrylate

• Main Authors: Worley, William G, Hoy, IV, Stacy W
• Format: Patent
• Language: English
• Published: 24.03.2020
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

A process for purifying methyl methacrylate by feeding a product mixture comprising methanol, methyl methacrylate and alkali metal salts thereof, methacrolein, water and heavy byproducts to a distillation column having at least 15 trays. The product mixture and a C6-C7 hydrocarbon enter the distilla...