As a beginning,we have a review of ideal flow reactor MFR (CSTR)in which fluid has maximum back-mixing PFR in which there isn't any back-mixing Non-ideal reactor:it's back-mixing between CSTR and PFR back-mixing The mix of fluid with different stay time 10 10 • As a beginning, we have a review of ideal flow reactor • MFR（CSTR） in which fluid has maximum back-mixing • PFR in which there isn’t any back-mixing • Non-ideal reactor: it’s back-mixing between CSTR and PFR • back-mixing The mix of fluid with different stay time