The craft of producing benzene and nitrobenzene at the same production line was used to remove thiophene form coking benzene,obtaining petroleum benzene and petroleum nitrobenzene simultaneously.

• 采用精制苯与硝基苯联产法脱硫工艺,去除焦化苯中的噻吩,从而得到石油级的精制苯,同时得到石油级硝基苯。