Algae from wastewater solves two problems

In one of the first studies to examine the potential for using municipal wastewater as a feedstock for algae-based biofuels, Rice University scientists found they could easily grow high-value strains of oil-rich algae while ...

Nanosilver from clothing can pose major environmental problems

(Phys.org)—Silver nanoparticles can have a severe environmental impact if their utilisation in clothing continues to increase. If everyone buys one silver nanoparticle-treated sock a year, the silver concentration in waste ...

The green machine: Algae clean wastewater, convert to biodiesel

Let algae do the dirty work. Researchers at Rochester Institute of Technology are developing biodiesel from microalgae grown in wastewater. The project is doubly "green" because algae consume nitrates and phosphates and reduce ...

Minnesota sets goals for fixing Gulf of Mexico dead zone

Minnesota's top pollution officials are setting ambitious goals - primarily for farmers - to cut back on the millions of tons of pollution that each year flow out of the state and down the Mississippi River to the Gulf of ...

Microbiologists discover enigmatic comammox microbes

Nitrification plays a key role in Earth's natural nitrogen cycle and in agriculture. Now an international team of scientists led by Holger Daims and Michael Wagner, microbiologists at the University of Vienna, has discovered ...

Using wastewater as fertilizer

Sewage sludge, wastewater and liquid manure are valuable sources of fertilizer for food production. Fraunhofer researchers have now developed a chemical-free, eco-friendly process that enables the recovered salts to be converted ...

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