Tim Johnson PhD FIMMM
A pyrometallurgist and process engineer with over 30 years’ experience of the extraction, processing, recovery and remediation of a wide range of materials.
Recent work has included consultancy on the following areas:
- Smelting of precious metals and PGMs using plasma and electric arc technologies
- Recovery of ferroalloys from industrial and metallurgical wastes
- Recovery of PGMs from automotive and industrial catalysts
- Refining and upgrading of precious metals, PGMs and non-ferrous metals by TBRC
- Vitrification and immobilisation of hazardous wastes
- Furnace design for advanced materials processing
- Process design for oxy-fuel and oxygen conversion-based furnaces
- Cold hearth melting of reactive metals
- Valorisation and upgrading of slags
Examples of services provided:
- Smelting of precious metals and PGMs using plasma and electric arc technologies
- Process design, mass and energy balance, process flow diagrams
- Equipment specification, plant layout, work flows
- Arc furnace design for melting, smelting and heating
- Plasma device design and operation: transferred torch, non-transferred torch, twin torch, graphite electrode
- Assessment and investigation of historic furnace operating data
- Design of pilot processing facilities
- Literature surveys and reviews
Contact: tim.johnson@timjmet.com