Combined wet oxidation and alkaline hydrolysis of polyvinylchloride

E. Sørensen, A.B. Bjerre

    Research output: Contribution to journalJournal articleResearch


    In view of the widespread aversion to burning polyvinylchloride (PVC) together with municipal waste, we have attempted an alternative approach to its decomposition. This paper describes a combined wet oxidation/alkaline hydrolysis yielding water soluble, biodegradable products. Experiments were carried out at temperatures from 180-260 degree C and reaction times of 8-24 min. The chloride liberated provides information on the rate constants. Considering the measured Cl- and Chemical Oxygen Demand (COD) values, we find hydrolysis and oxidation processes to be interdependent. The main products are Cl- and CO-2, the rest comprising a range of water-soluble compounds, a small, Cl-free residue, and a recognizable amount of H-2.
    Original languageEnglish
    JournalWaste Management
    Issue number4
    Pages (from-to)349-354
    Publication statusPublished - 1992


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