The sulfides (mainly benzothiophenes) in FCC gas oil has been oxidized to sulfones with H2O2-tri fluoroacetic acid and power ultrasound was used in the process.

• 采用H2O2-三氟乙酸作为氧化剂将盘锦催化裂化柴油中的硫化物(主要为苯并噻吩类)氧化成相应的砜,同时又用功率超声作用于该过程。