Six university students from China’s Northeastern University died on Wednesday after falling into a flotation cell during a ...

Flotation is one of the most important processes for separating minerals in the raw materials industry. Achieving the highest possible mineral enrichment requires the appropriate selection and ...

The students fell into a flotation tank when a grid plate they were standing on suddenly gave way, the mine operator said.

The students were visiting an ore processing plant in northern China when a grid plate they were standing on collapsed, plunging them into a flotation cell.

The largest U.S. manufacturer of flotation tanks — Indianapolis-based Royal Spa Manufacturing — built 75 in 2012, its first year, and is now up to almost 800 annually.

Commodities trading giant Glencore has priced its planned flotation at between 480p and 580p per share, giving it a mid-point valuation of $61bn (£36.5bn). The flotation will be London's largest ...