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Google Scholar Profile: Liguang Wang
A versatile method to improve flotation efficiency using low-frequency acoustic sound.
375 Hz acoustic excitation increased copper recovery by >7 percentage points and gold recovery by >10 percentage points, without sacrificing concentrate grade.
Importantly, the improvements were consistently observed at both laboratory and pilot scales, highlighting the potential for industrial application.
Open-access paper:
With using sound at a frequency below 500 Hz, significantly improved flotation efficiency was obtained for coal and metalliferous ore, especially in the coarse size fractions. This approach enables improvement of flotation efficiency at modest additional energy cost and reduced reagent consumption, mitigating the overfrothing issue if any. This technology has entered industrial demonstration stage.
Developed a drag sensor for real-time monitoring of mass recoveries of individual flotation cells.
Developed a drag sensor for real-time monitoring of mass recoveries of individual flotation cells.
Successful field trials.
Successful field trials.
Developed a simple and fast method to measure frother distribution in flotation circuits for process monitoring and control. Successful industrial demonstration achieved.
Developed a simple and fast method to measure frother distribution in flotation circuits for process monitoring and control. Successful industrial demonstration achieved.
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