When adding ethanol with 10 percent in volume, the catalytic cracking gasoline would increase in 3. 4 with RON, and 1.4 with MON.

• 催化裂化汽油中添加体积分数为10%25的乙醇后；其辛烷值(RON)提高3.；4个单位；辛烷值(MON)增加1