Energy-Efficient Design Sequences for the Purification of Styrene Monomer from the Pyrolysis Oil of Waste Polystyrene
Donggun Kim,
Yongbeom Shin,
Minyong Lee
et al.
Abstract:This
study focuses on the energy-efficient separation process of
styrene monomer, avoiding the formation of an azeotrope by using a
vacuum distillation, derived from the pyrolysis of waste polystyrene
(PS). The direct-indirect sequence, which positions the separation
column of ethylbenzene and styrene monomer as the last step, exhibited
a 30% reduction in the total utility consumption and a 37% reduction
in the total annual cost compared to that of the direct-direct sequence
that separates lighter components s… Show more
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