| abstract |
According to one embodiment described in this disclosure, the process for producing propylene comprises at least partially metathesis a first stream comprising at least about 10 wt% butene to form a metathesis reaction product, a cracking reaction involving propylene At least partially cracking the metathesis reaction product to form a product, and at least partially separating the propylene from the cracking reaction product to form a product stream comprising at least about 80 wt% propylene. |