New genus of bugs discovered at WA alumina refinery

Previously unknown species of naturally-occurring bacteria have the potential to save the alumina and aluminium industries millions of dollars while helping to reduce their impact on the environment, microbiologist Naomi McSweeney has found in a collaborative project between Alcoa of Australia, CSIRO and the University of Western Australia. [click to continue…]

…by putting the squeeze on mining waste

You may not be able to squeeze blood out of a stone but, by applying the right amount of ultrasound during processing, Jianhua (Jason) Du and colleagues from the Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE) have been able to squeeze a considerable amount of fresh water from mining waste. [click to continue…]

Using microscopic streams of liquid to separate valuable metals from dissolved rock could revolutionise mineral processing, according to researchers at the University of South Australia.

The researchers already have shown the technique can be used to extract copper quickly and efficiently. They believe the process can be scaled up to industrial levels and used for recovering many other minerals such as nickel, uranium, gold and platinum. [click to continue…]