Scientists have developed an improved method to convert municipal wastewater sludge into higher quality renewable fuel while significantly reducing harmful nitrogen compounds, offering a promising ...

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Hydrothermal carbonization of lignocellulosic biomass—the most abundant renewable feedstock—is a promising method for the production of carbon materials with negative carbon emissions. This method has ...

(Nanowerk Spotlight) Given the massive interest and rapid developments in graphene research, scientists are now convinced that the controlled preparation of graphene-based materials with hierarchical ...

A new generation of the HTL process can convert all kinds of biomasses to crude bio-oil, which is sufficiently similar to fossil crude oil that a simple thermal upgrade and existing refinery ...

Global plastic waste continues to rise, largely due to low recycling rates. Only 10-15 % of plastic waste is recycled each year, while the rest is incinerated, landfilled, or discarded. Traditional ...

Grocery bags and other trash could be melted down to yield useful products like oil and gas. The problem: The world’s landfill sites and oceans are being flooded with plastic. A mere 9% of the 8.3 ...

Geysers, such as Iceland’s impressive Strokkur Geysir, are often the result of trapped water hitting hot volcanic rock. The resulting vapor creates immense pressure, forcing water out through vents in ...

There’s a saying in mine country, the kind that sometimes shows up on bumper stickers: “If it can’t be grown, it has to be mined.” Before mining can ever start, though, there has to be ore in the ...

Geysers, such as Iceland’s impressive Strokkur Geysir, are often the result of trapped water hitting hot volcanic rock. The resulting vapor creates immense pressure, forcing water out through vents in ...