Feedstock for the plant will be sourced from Mkango's Songwe Hill operations in Malawi.
The testwork has focused on using XRT, optical and laser systems
New flotation regime will increase the run-of-mine ore grade by 10 times
Mkango has a 'mine, refine, recycle' stategy for its rare earths.
Project will use a patented process for extracting and demagnetising neodymium iron boron powders.
The technology produces high strength HCL from calcium chloride feed streams using sulphuric acid