The separation of mixtures with close boiling points is a critical task in the petrochemical industry. and one such mixture that requires separation is o-xylene/styrene. The STED process is used to separate o-xylene/styrene. which contains a certain amount of organic sulfur in the product due to the limitations of the process. https://www.nacrack.com/hot-savings-HiBoost-Home-15K-Smart-Link-F20G-5S-IoT-limited-super/