脱硫方法包括催化裂化汽油物流与一种催化剂在149～ 343℃接触 ,液时空速 0 .0 1～ 10 ,一种空气中含有氢气 ,回收汽油物流的硫含量降低 ,汽油马达法辛烷值和研究法辛烷值分别比原来降低 5 %和 10 %。该脱硫工艺包括将含有机硫化合物的催化裂化烯烃汽油物流沸点在汽油沸点范围? The desulfurization method includes contacting the FCC gasoline stream with a catalyst at a temperature of 149 to 343 DEG C, a liquid hourly space velocity of 0.010 to 10, an air containing hydrogen, a sulfur content of the recovered gasoline stream being reduced, a gasoline motor octane number of Research octane number was 5% and 10% lower than the original. The desulfurization process includes the organic sulfur compounds catalytic cracking olefin gasoline stream boiling point in the gasoline boiling range?