It is 103 years since froth flotation was patented, and it is often said to be the 20th century’s most important technological development. Recent advances were reviewed in IM’s July issue, just published, and there will be more in the August issue’s focus on copper. It is still the most intensively researched area of mineral processing, as is evidenced by the response to the call for papers for Flotation ‘09, MEI’s 3rd flotation conference, which will be held in Cape Town in November. (more…)