M00001012
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ISO TR 16218 1st Edition, March 15, 2013 Packaging and the environment - Processes for chemical recovery
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Description / Abstract:
Several processes for chemical recovery of used packaging are
considered to be material recycling. The focus of this Technical
Report is for used packaging, although the processes described are
not specific for used packaging and can be used for recovery of
other materials of same type. Processes for chemical recovery of
used packaging are applicable for plastic packaging or
biomass-based packaging, which might be interpreted in two
different ways:
— Processes to recover valuable chemical substances by chemical
treatment of used packaging, for example, to recover monomers of
polyethylene terephthalate (PET) by hydrolysis, glycolysis or
methanolysis, to recover oil by catalytic reaction or pyrolysis, to
recover valuable gases such as hydrogen by gasification, to recover
coke, oil and gasses by cokefaction;
— Processes to directly substitute used packaging for natural
resources without chemical pretreatment, for example, flakes of
used plastic packaging may use in blast furnance in the place of
coke as a reducing agent.
Examples and key characteristics of chemical recovery processes
are given in Annexes A to E.
NOTE For the purpose of this Technical Report; "Chemical
recovery" means the production of chemicals identical to or
differing from, the starting raw materials that were used for the
production of the packaging materials, or the direct substitution
of natural resources by using used packaging. These recovered
chemicals can be sued as such, or as reactants in further chemical
syntheses; directly ‘in situ' or in another
production process.