Using the methanol-to-olefin (MTO) process, methanol can also be converted to ethylene and propylene, the two chemicals produced in largest amounts by the petrochemical industry.
通过甲醇制烯烃（MTO）工艺，甲醇也可转化成乙烯和丙烯，这两种化学物质是由石化工业中最大生产量的化学物质。