1. Complete Smelting Solutions
Tenova Pyromet
Speaker: Bruce Nourse
Position: General Manager – Technology
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

2. Tenova Pyromet: What do we do?
Mining
Concentration
Smelting
Steel Industry
Base Metals Refining
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

3. Tenova - furnaces since 1935

4. Tenova – some development history
1935
First Tagliaferri furnace
KT Lance
2000
Consteel
2001
Maxicool copper coolers
2003
Titania DC furnace
2008
Multiple preheater
2011
Dry gas scrubbing
2012
Gas suspension preheater
2013
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

5. Tenova Pyromet Typical processes:
Ferrochrome - more than 50, up to 66MVA, 84MVA design in progress
Ferromanganese and Silicon Manganese – more than 30, up to 45MVA
Copper/Nickel/Platinum slag refining – 36MVA
Platinum – 12.5MVA Circular PGM smelter
Ferronickel – 66MVA design
Silicon alloys – 3 furnaces in last 3 years, 30MW design complete
Ilmenite – 30MW DC
Iron – 48MVA design in progress
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

6. Tenova Pyromet Main drivers influencing development: Ore
Mineralogy is changing (easily mined ores exhausted)
Reductants
Availability vs cost
Power
Limitations imposed
Cost
Environmental
Effluent
Water usage
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

7. Tenova Pyromet Recent technology developments by Tenova Pyromet:
Dry Gas Scrubber
Multiple Pre-Heater
Gas suspension Pre-Heater
Reduce Power Consumption
High efficiency gas cleaning
Reduce Power Consumption
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

8. Tenova Pyromet Dry Scrubber Advantages:
Allows the use of lower quality reductants
Uses less water than venturi scrubbing
Manage tar issues in the gas
Energy recovery through combustion of waste gas
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

9. Tenova Pyromet Multiple Pre-Heater
Reduces power consumption by pre-heating feed materials
Can be retrofitted to some existing furnaces
Reduces furnace building height and subsequent overall plant footprint
Effectively utilise energy contained in furnace off-gas
Best suited to furnaces with agglomerated feed
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

10. Tenova Pyromet Gas suspension Pre-Heater
Reduces furnace power consumption
Higher feed temperature achievable
Proven technology, new application
Suited to furnaces using fine feed materials (typically DC furnaces)
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

11. Tenova Pyromet
Tenova Pyromet focus is offering ‘complete smelting solutions’ by targeting the following:
Development of focused technologies in-house
Strategic partnerships - Develop beneficiation and refining technologies
Total package - Being able, together with other Group companies, to offer clients a ‘1 stop shop’ for project development and execution
Not limited by technology offering, so can objectively offer technology to best meet client needs
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013

12.
Pushing the Boundaries of Technology 4 Innovative Client Solutions
Tenova Mining & Minerals southern Africa Client Symposium,Johannesburg, 03 October 2013