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Vinyl chloride monomer ( VCM ) , which is used to manufacture PVC , can be produced from acetylene and hydrogen chloride via the following
Vinyl chloride monomer VCM which is used to manufacture PVC can be produced from acetylene and hydrogen chloride via the following reaction:
CH HCl CHCl
acetylene hydrogen chloride vinyl chloride
A side reaction also occurs, producing dichloroethane DCE as an undesired byproduct:
CHCl HCl CHCl
vinyl chloride hydrogen chloride dichloroethane
With reference to specific components in the system, recommend a scheme to minimise the undesired product DCE Justify your recommendation.
Draw up a table of the molecular weights and boiling points in C of the components in the system. List the boiling points from lowest to highest.
Based on your answers in and develop a preliminary process flow diagram PFD for the system. Provide your reasoning.
Plot a graph of the economic potential versus the selectivity.
Component Value $kg
Hydrogen chloride
Acetylene
Vinyl chloride
Dichloroethane
Definition of Selectivity:
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