Watts & Fisher is a private research laboratory in mineral processing. It aims to bring to the mining industry a simpler and cleaner way to process ores of the rare earth elements. To this end, Watts & Fisher has found a new way to break down ores without harmful sulphuric acid or caustic soda. Building upon this new method, Watts & Fisher has tested a set of downstream steps to purify the rare earths with a simpler overall plant design.

A faster, less toxic and recyclable solution

Our new way to dissolve ores has made simpler the conventional process for rare earths.

It is less toxic and hazardous than conventional sulphuric acid or caustic soda. It rapidly dissolves the rare earths directly into solution rather than the slow solid-to-solid conversion used in conventional processing.

A simpler flowsheet

We have successfully tested a simpler process to make a saleable product. 

Under a basic research contract with the Defense Logistics Agency (U.S.A.), Watts & Fisher has achieved the following milestones:


28 June 2023

Watts & Fisher is excited to have won an Innovation Booster Grant from the Department of Jobs, Tourism, Science and Innovation (WA) as part of the New Industries Fund.