40 , 000
7 , 801 -40 , 315
30 , 000
5 , 661
20 , 000
10 , 000
22 , 369
0
-10 , 000
Outlook and conclusion Propylene from the FCC unit features the lowest carbon intensity among the main propylene production routes. The FCC unit also has the most favourable cost position for propylene (Hager, Nate, DeVaney, Payne, Amalraj, & Cipriano, 2023). While the FCC unit can yield significant propylene, it has traditionally targeted maximum gasoline. This is not surprising when considering the historical growth in transportation fuel demand. However, once transportation fuel demand peaks, Grace predicts more FCC units will shift their focus towards propylene. The improved cost position, lower carbon intensity, and growth in demand for propylene will provide tailwinds to refiners who adopt a propylene strategy to maximise profitability in the long term. Davison Circulating Riser (DCR), OlefinsUltra MZ, and Zavanti are registered trademarks of W. R. Grace & Co.- Conn. throughput of the FCC unit is 50 kbpd). The green arrow indicates that the net effect of ZSM-5 usage is to decrease Scope 3 emissions Figure 4 Results of LCA for changes in Scope 3 emissions from an FCC unit when enough ZSM-5 is used to reduce gasoline by 1 wt%ff (assumed
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VIEW REFERENCES
Bani H. Cipriano bani.cipriano@grace.com Clint Cooper clint.cooper@grace.com Stefan Brandt stefan.brandt@grace.com
www.decarbonisationtechnology.com
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