Tech Xplore - waste product(... continued page 2)

Magnetic field enhances generation of synthetic biogas

The development and utilization of rural biomass energy is an important strategy to reduce the use of fossil fuels and resulting carbon emissions.

Sep 20, 2022

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With better standards, we could make plastics endlessly useful and slash waste

If you flip over a plastic food container, you'll see tiny writing on it—something like "AS 2070." This means the product meets the Australian standard for plastics safe to use for food.

Sep 7, 2022

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Rare earths processor buys rights to mine in Greenland

One of the world's few rare earths processors outside China has bought exploration rights to mine in Greenland, opening an avenue for diversifying supplies of the minerals critical for advanced and green technologies.

Aug 23, 2022

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When waste materials can build bricks to save money and resources

Firing bricks and making mortar and cement is very costly, but organic chemists at Flinders University are working on more sustainable alternatives—focusing on building materials made from waste products.

Jul 28, 2022

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Radiation for responsible recycling: A distributed, microwave-based method to recycle batteries

The global culture of mass production and consumption has resulted in a monumental increase in the amount of waste being generated today, indicating an unmet need for better recycling systems. Traditionally, waste is collected ...

Jul 7, 2022

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Green hydrogen from plant residue

Until now, the most common way to dispose of green waste and sewage sludge has been to compost or incinerate it. However, using these materials to produce the valuable energy source hydrogen would make far more sense. A team ...

Jul 1, 2022

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Pioneering recycling turns mixed waste into premium plastics with no climate impact

Only a fraction of the material that could be turned into new plastic is currently recycled. Researchers at Chalmers have now demonstrated how the carbon atoms in mixed waste can replace all fossil raw materials in the production ...

Jun 30, 2022

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Plastic waste is a resource that doesn't have to end up in the oceans

Since the 1950s, human beings have generated at least 6.3 billion tons of plastic waste. However, only 9 percent of this waste has been recycled and only 12 percent utilized as fuel. The remaining 79 percent has been dumped, ...

Jun 10, 2022

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Increasing methane yield from biogas plants

Biogas plants produce methane along with more than 40% CO2 which has been released into the atmosphere in conventional biogas plants. Researchers from the Fraunhofer Institute for Microengineering and Microsystems IMM have ...

Jun 1, 2022

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Food waste cement: A gingerbread house-style building option

Ever dreamed of having a gingerbread house like Hansel and Gretel?