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Recycling

From A-Z: Extracting Zinc from Waste Ash

Incineration of solid waste produces millions of tonnes of waste fly ash each year, that in developed nations most commonly ends up in landfill. But the ash often contains [...]

December 16, 2020 // 0 Comments

Farm to Pharma: Ag Plant Waste to Gold?

Up to 40 per cent of a fertile region’s primary production harvest could end up as waste, left to rot in the field or turned into low value products such as compost or [...]

October 22, 2019 // 0 Comments

Now Any Plastic Waste Can Be Recycled

To modify a well known dictum, “old plastics never die, they just disintegrate into microplastics.” The fact that plastics don’t break down is one of our [...]

October 18, 2019 // 0 Comments

Mining Nutrients From Wastewater

Editor’s Note: This article is part of a series of guest columns on innovative energy technologies and opinions.  Yalin Li, Colorado School of Mines Most people think as [...]

April 5, 2019 // 0 Comments

Waste Plastic to Car Fuel…and New Plastic

We all know that plastics recycling can be a tricky business — in most cases it has to be clean and sorted properly, which makes it a burden for both consumers and [...]

September 12, 2018 // 0 Comments

Cleantech Clothing Conversion: Chanel to Gel

A few years ago, I read a fascinating and lively description of what happens to used T-shirts in our current global trading environment. Pietra Rivoli’s “Travels [...]

February 20, 2018 // 0 Comments

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