The industry has already significantly reduced the environmental impact of the aluminium foil used today and continues to initiate new and innovative ways to make alufoil even more sustainable.
Using thinner gauge aluminium foil to deliver the same functionality saves both the aluminium and the energy needed to produce it. Over the last decade, the European foil industry has improved production processes so that the gauge of foil used in packaging and other applications has reduced by 10-20%. Whilst there will be a practical limit to which the foil thickness can be further reduced, the industry is still predicting another 10% reduction in the coming 10 year period.
In the period 2005-2010, the aluminium foil producers in Europe reduced the energy they used by over 30%. In addition to using less energy to produce alufoil, the European foil producers reduced the level of in-house scrap production (e.g. trimmings from the foil rolling process) which additionally saves the energy needed to reprocess this material.
Increasing collection and recycling/recovery rates for aluminium foil and alufoil packaging means that an equivalent quantity of primary (i.e. virgin) aluminium will not be required by the industry. This represents a significant energy saving as processing recycled aluminium requires 95% less energy than the equivalent quantity of primary metal produced from bauxite.
Strongly supported by the industry, foil container collection rates have steadily increased throughout Europe with the reported average collection rate of above 50% for 2010. An additional, but as yet unquantified, quantity of aluminium (packaging) is also recovered from the waste to energy incineration plant bottom ashes.
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Responsible sourcing of both primary and recycled aluminium has been fostered by the industry for many years with the objective of driving even greater sustainability and transparency throughout the aluminium industry from the mining of the bauxite to produce new primary metal through to the recycling, recovery and reuse of secondary aluminium.
Most recently (2012) several leading companies including both producers and rollers of aluminium and end users of the aluminium foil have collectively set up the Aluminium Stewardship Initiative (ASI). ASI is a non-profit initiative that seeks to mobilise a broad base of stakeholders to establish, promote and lead responsible practices across the aluminium value chain, in:
For more information on the ASI please visit: www.aluminium-stewardship.org
For more information on Responsible Sourcing of Aluminium please visit www.world-aluminium.org