Plastic Waste Management 3 min read
DOWNCYCLING
A common problem associated with mechanical recycling is the degradation and mixing of polymers leading to loss of the characteristics…
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Plastic Waste Management 3 min read
TOXIC ADDITIVES CHALLENGE MECHANICAL AND CHEMICAL RECYCLING
Numerous institutional, economic, and policy challenges for recycling have already been mentioned in this report, but there are also technical…
Plastic Waste Management 4 min read
MECHANICAL RECYCLING
Mechanical recycling uses only mechanical methods to reprocess plastic waste and this typically involves grinding, washing, separating, drying, regranulating, and…
Plastic Waste Management 3 min read
CHEMICAL RECYCLING CONCLUSION
The plastic chemical recycling processes are emerging technologies that are almost entirely at pilot stage with the exception of some…
Plastic Waste Management 6 min read
REFUSE-DERIVED FUELS (RDF) AND CEMENT KILNS
While RDF is not actually a form of chemical recycling, it is a form of plastic to fuel and has…
Plastic Waste Management 4 min read
PLASTIC TO NON-FOSSIL FUELS (HYDROGEN)
Less attention has been paid to the conversion of plastic waste to hydrogen – a non-polluting, non-fossil fuel. A few…
Plastic Waste Management 4 min read
PLASTIC TO FUELS
As plastic waste stockpiles grow at unprecedented rates around the world, many proponents are pushing for the adoption of fuels…
Plastic Waste Management 4 min read
Thermal depolymerization (pyrolysis and gasification)
The output of plastic pyrolysis and gasification cannot (with a couple of exceptions25) be used directly to produce polymers. The…
Plastic Waste Management 3 min read
Solvent-based regeneration
Solvent-based purification and depolymerization results in high grade near-virgin polymer output. An example of a solvent regeneration technique, The CreaSolv®…
Plastic Waste Management 4 min read
CHEMICAL RECYCLING TECHNIQUES
The three main classes of chemical recycling techniques are: 1. Chemical depolymerization: a chemical-based process that converts plastic waste back…
Plastic Waste Management 4 min read
CHEMICAL RECYCLING OF PLASTIC
The term ‘recycling’ has been subject to considerable definition creep in recent years. It may once have been understood as…
Plastic Waste Management 3 min read
Depolymerization using supercritical water oxidation (SCWO)
In most cases depolymerization of plastics is conducted by pyrolysis and gasification pathways (thermal depolymerization) or chemical depolymerization, both described…
