Principally, the Anhydrous Depolymerization of Chain-Growth Polymers into Their Monomers

question 2

Multiple Choice

Principally, the anhydrous depolymerization of Chain-Growth polymers into their monomers would/will have the following advantages, compared to hydrous pyrolysis of plastics?
I. The yield of alkene-monomers, that can be repolymerized, would be higher.
II. If several monomers are formed, they can be separated by distillation.
III. The use of polymerization/depolymerization catalysts permits lower process temperatures than during the hydrous pyrolysis, in which the heat is supplied by superheated water.
IV. A greater variety of small organic compounds will be formed.

• A) I, II
• B) I, II, III
• C) II, III, IV
• D) I, III, IV

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