In this study, the adsorption properties of cationized cellulose nanofibers (c-CNF) were examined for the removal of sulfate (SO42–) ions from aqueous solutions under diverse experimental conditions.

Complete with goggles, breathing mask and hard hat, I peer cautiously over the edge of the world’s biggest copper mine. BHP’s Escondida project is 3000 metres high up in the Atacama Desert in ...

Lamp posts, like this one photographed along Pennsylvania Avenue in in St. Paul on April 12, 2022, have been vandalized and had much of their copper wiring removed. (John Autey / Pioneer Press) ...

Copper output in Peru, the world's third-biggest producer, is expected to grow slightly to 2.8 million metric tons this year, while mining investment is forecast to reach at least $4.8 billion ...

The underground mine, part of the larger Kamoa-Kakula copper complex in the DRC, was temporarily suspended on May 18 following seismic activity that resulted in severe flooding. The complex is ...

At higher propionic acid concentrations in the air (more than 4 ppmv), the amount of propionate in the aqueous monolayers is also increased, and this solution reaches the deepest layers through cracks ...

Talon Metals is partnering with Westmoreland Coal to build the “Beulah Minerals Processing Facility” on a 256 acre portions of the former Westmoreland site. Talon says this will be one of the most ...

The deposition bath consisted of an aqueous solution of (0.5 M) copper sulfate pentahydrate, (0.1 M) trisodium citrate, (0.5 M) sodium hydroxide, 4 ml sodium selenosulphate solution and deionized ...

This country has hit a massive Jackpot, discovers biggest Copper, Gold, Silver deposit in 30 Years, not US, Russia, China, India, Pakistan, Australia, name is… ...

Uranium(IV) sulfate in an aqueous solution and the solid state has been investigated with extended X-ray absorption fine structure (EXAFS) and X-ray diffraction (XRD). The coordination polyhedron ...

Congress approved a land swap in 2014 that would give Resolution Copper 3.75 square miles (9.71 square kilometers) of forest land in return for eight parcels it owns in Arizona. In the waning days of ...