An Innovative Process That Converts PVC Waste
Into Raw Materials
Author(s)
J. Procida & K. S. Bloch
Abstract
Recycling of PVC waste is a focus area in European environmental policy. PVC
waste may hence be regarded as a potential resource instead of useless waste.
Since 1998, the Danish company RGS 90 has made a great effort to develop a
sustainable method for chemical recycling of PVC waste. RGS 90 has obtained
financial support from the LIFE-programme under the European Union (EU) and
from Vinyl 2010. The financial support has made it possible to carry out a full-scale
industrial demonstration project for chemical recycling of PVC waste into
oil, salt and minerals.
The process has shown the ability to treat all types of PVC waste in full-scale
tests. With a capacity of 50,000 t/y PVC waste, the plant is erected near the
Danish city of Skælskør. RGS 90 has already other waste treatment facilities
placed at this location, and the PVC plant is integrated with these facilities. With
the industrial size pilot plant in operation, further tests will be performed to
evaluate the PVC waste pre-treatment, reactor performance and product refining
processes.
The combination of dechlorination of PVC by hydrolysis and the successive
pyrolysis of the dechlorinated solid fraction has already shown environmental
improvements creating a liquid product with low chlorine content and 100%
utilisation of the PVC waste.
Keywords: PVC waste, pyrolysis, hydrolysis, recycling.
1 Introduction
Two of the major challenges to waste management in industrialised countries are
the handling of polluted sludge from wastewater treatment plants and the
Keywords
PVC waste, pyrolysis, hydrolysis, recycling.
Related Book
Other papers in this volume
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