This webinar explores the long-term operation and optimisation of the Wheal Jane mine water treatment plant — one of the UK’s most significant legacy remediation sites. Managed by John F Hunt Regeneration on behalf of the Mine Remediation Authority and funded by DEFRA, the plant treats metal-laden mine water resulting from historic tin and copper mining in central Cornwall.

The session will provide an overview of the site’s environmental legacy, the active High Density Sludge (HDS) treatment process, and the operational responsibilities involved in running the plant 24/7. It will also highlight recent innovations, including a predictive lime dosing model and trials of variable-speed pump systems, aimed at improving efficiency, reducing chemical use, and lowering energy consumption.

The webinar will be of interest to those involved in mine water treatment, environmental permitting, contaminated land management, and the practical application of data-led environmental solutions.

About Simon

Simon is General Manager at John F Hunt Regeneration and has worked in the environmental sector for over 25 years. His background includes contaminated land assessment, remediation, environmental monitoring and analysis.

As part of his role, he is responsible for John F Hunt’s involvement at Wheal Jane, including the introduction of a data-driven approach to improve the efficiency and accuracy of lime dosing in mine water treatment.

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