CATALYST PRETREATMENT AND FEEDING SYSTEM FOR POLYPROPYLENE PRODUCTION

• Main Authors: KHANKAL, REZA, MUTCHLER, JOEL A, HEIN, JAMES E, GARNER, BRYAN M
• Format: Patent
• Language: English; French
• Published: 21.04.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

A process and system for pre-polymerizing propylene are disclosed. A first catalyst suspension is formed by mixing catalyst particles with a hydrocarbon that is a saturated hydrocarbon or propylene. Various other catalyst components are added to the first catalyst suspension, and the first catalyst...