求助高手 帮助看一下这段文章? the petrofcc process starts with a uniquelydesigned fcc unit and is capable of producing a product slate of 35 lv-%propylene, 12 lv-% ethylene,20 lv-% butylenes, and 20 lv-% of benzene andparaxylene. this is a substantial increase in the yield of petrochemicals comparedto a conventional fcc unit. petro fcc(流体催化裂化)工艺采用独特设计的fcc装置,能够生产一种35lv-%丙烯、12lv-%乙烯、20lv-%丁烯、20lv-% 苯和对二甲苯的产品结构。相对于传统fcc装置,将在石化产品的产能上有很大的提高。查看更多