Heterogeneous catalyst for the production of methyl methacrylate by oxidative esterification

摘要

A heterogeneous catalyst comprising a support and a noble metal, wherein the support comprises silicon, and the catalyst is 0.1 to 40 mol% titanium, and at least one of 0.1 to 10 mol% based on the total moles of silicon atoms and metal atoms Contains noble metals. The noble metal can be, for example, gold on silicon.