To reduce the olefin content of FCC gasoline, a circulating downer reactor was built to study the cracking behavior of straight - run FCC gasoline using commercial FCC and DCC equivalent catalyst.

• 以循环下行床为反应器,催化裂化汽油为原料,在工业催化裂化(FCC)催化剂和催化裂解(DCC)催化剂作用下,研究了催化裂化汽油的催化转化过程。