Fluidized bed reactor for polyethylene production. The influence of polyethylene prepolymerization

AUTOR(ES)

Fernandes, F.A.N., Lona, L.M.F.

FONTE

Brazilian Journal of Chemical Engineering

DATA DE PUBLICAÇÃO

2000-06

RESUMO

This work addresses the influence of the prepolymerization of the catalyst particle on the fluidized bed reactor for polyethylene production. The influence of prepolymerization on the temperature and concentration gradients throughout the reactor was studied. The results obtained through simulations confirm industrial observations of the advantages of prepolymerization and extend these observation, showing the viable operational conditions for different superficial gas velocities and gas feeding temperatures as a function of the degree of prepolymerization.

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