Assessment of transport phenomena in catalyst effectiveness for chemical polyolefin recycling.

ABSTRACT: Since the dawn of agitated brewing in the Paleolithic era, effective mixing has enabled efficient reactions. Emerging catalytic chemical polyolefin recycling processes present unique challenges, considering that the polymer melt has a viscosity three orders of magnitude higher than that of honey. The lack of protocols to achieve effective mixing may have resulted in suboptimal catalyst effectiveness. In this study, we have tackled the hydrogenolysis of commercial-grade high-density polyethylene and polypropylene to show how different stirring strategies can create differences of up to 85% and 40% in catalyst effectiveness and selectivity, respectively. The reaction develops near the H₂-melt interface, with the extension of the interface and access to catalyst particles the main

SUBMITTER: Jaydev SD 

PROVIDER: S-EPMC11420077 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature