Recycling & Waste World - Recycling: A process as circular as the earth?

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Courtesy of Tetronics (International) Limited

Recycling: A process as circular as the earth?

Closed loop recycling and the circular economy are buzzwords in today's waste management sector, however, what about the way minerals have been continuously recycled over the centuries? Dr Tim Johnson looks at the role thermal treatment plays in helping to recycle essential minerals.

Volcanoes are one of the greatest natural wonders of the world. They open a window into a weird subterranean landscape of immense pressures and temperatures, alternately fascinating and frightening, responsible for the downfall of civilisations, the preservation of ancient towns for future generations, the alteration of global weather patterns and (rather more prosaically) the disruption of thousands of air travellers a few years ago.

Interestingly, volcanoes are also the ultimate origin of the igneous and metamorphic rocks that make up nearly all the top surgace of the earth and are therefore the source of pretty much all the minerals upon which our modern lifestyles depend.

To view the full article, click here, the article is featured on page 7 of the November 7th issue of RWW.

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