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ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

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A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. Tire wear particles pollute the environment, the air we breathe, the water run-off from roads and has compounding effects on waterways and agriculture.

Pollution 243
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Raven SR partners with Republic Services to produce commercial green hydrogen from waste in N California, starting summer 2022

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to convert organic waste to produce green hydrogen at a site in Richmond, California. Unlike competing technologies like gasification or incineration, Raven SR’s process involves no combustion, as previously confirmed by the California Department of Toxic Substances Control, avoiding the creation of toxic pollutants and particulates.

Waste 170
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Oleophobic hydrophobic magnetic sponge selectively soaks up oil, sparing water and wildlife

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A Northwestern Engineering-led team has developed a highly porous smart sponge that selectively soaks up oil in water. Currently used solutions include burning the oil, using chemical dispersants to breakdown oil into very small droplets, skimming oil floating on top of water and/or absorbing it with expensive, unrecyclable sorbents.

Water 243
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Efficient recovery of lithium from spent LiFePO4 batteries via air oxidation–water leaching at room temperature

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Researchers in China report using air oxidation–water leaching to recover lithium selectively from spent LiFePO 4 (LFP) material, in which the high leaching efficiency of lithium and the good separation effect of lithium and iron were achieved simultaneously. An open-access paper on their work is published in the RSC journal Green Chemistry.

Water 186
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OSU team develops process to clean coal mine drainage and extract rare earth elements

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The TEP process uses the alkalinity and filtering capacity of stabilized flue gas desulfurization (sFGD) material or water treatment plant (WTP) sludge to remediate CMD waters and extract REEs. According to the study, passive approaches tend to require fewer resources and have fewer environmental impacts. —Jeff Bielicki.

Coal 283
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All Audi production sites will manufacture all-electric vehicles by 2029

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Virtual assembly planning saves material resources and makes innovative, flexible collaboration possible across locations. The environmental program also addresses the areas of resource and water efficiency as well as the protection and preservation of biodiversity. Audi will make its manufacturing processes even more flexible.

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European research institutes partner on rare earth metal recovery from waste using electrolysis

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Seven major European research institutes (Fraunhofer, CEA, TNO, VTT, SINTEF, Tecnalia and SP) have joined forces to invest in a joint program (Value from Waste) aimed at tackling the recycling of rare earth metals from waste. The aim is to extract valuable materials from the waste streams. —Odd Løvhaugen, SINTEF ICT.

Waste 225