This course describes the PE polymerization reaction kinetics and reactor design in detail. The main focus is found on the actual polymerization reactors and their design and operation. Each different polymerization scheme is investigated and the respective reactors are presented in detail. Reaction kinetics in each type are presented and explained. Phase equilibria fluid flows and especially heterogeneous fluid flows and transfer mechanisms are key factors to this course.
Who should take this course
This course is a great match for:
Chemists, Chemical Engineers, Industrial Engineers working in polymerization units. Process Engineers, Chemical engineers looking to increase their understanding of polymerization processes. Any individual seeking to understand polymerization of ethylene and polymerization reactors. Academic students and personnel looking to increase their understanding in the field,
DAY 1 - Reactor types:
CSTR PFR Fluidized bed fixed bed. Introduction to Reaction Kinetics. Rates of reaction k constants energy diagrams activation energies types of reactions. Introduction to Reaction Thermodynamics Equilibrium Le Chatelier's rule. Phase equilibrium Equilibrium shift.
DAY 2 - Introduction Catalytic reactions:
Catalysts introduction. Poisoning and deactivation. Chemical structure. Physical structure Polymerization reactions. Addition & Condensation Step growth vs Chain growth Homogeneous vs Heterogeneous. Anionic and Cationic Free radical polymerization. Coordination polymerization Vessels.
DAY 3 - Semi Batch reactors:
Gas and slurry copolymerization. Experimental details Slurry homopolymerization Gas homopolymerization Gas copolymerization. Polyethylene Properties Financial Grades & types Homopolymerization. Free radical homopolymerization Catalytic homopolymerization Homopolymerization of polar vinyl monomer. Copolymerization with polar vinyl monomer.
DAY 4 - Free radical polymerization in organic solvents:
Different organic solvents. Phase equilibrium. Solvent effect Lewis acid effect Controlled radical polymerization. Free radical polymerization in water. Radical polymerization in emulsion. Cationic stabilization. Anionic stabilization. Polymerization in hybrid solvents.
DAY 5 - Free radical copolymerization with polar vinyl monomer:
Important factors affecting the process Ethylene. MMA copolymerization Ethylene Styrene copolymerization. Ethylene Vinyl Acetate copolymerization Copolymerization in emulsion. Hybrid free radical/ catalytic mechanism. Synergy of the two mechanisms Mechanisms in detail Ethylene MMA copolymerization. Styrene Ethylene hybrid copolymerization Hybrid copolymerization via ATRP system.
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