Mintek

PYROMETALLURGY
    Index (Pyro)
    Technical Papers
    Patents
    People
    Capabilities
    Pilot Plants
    Contact Info

Pyrometallurgical Pilot Plant Facilities

20 t/d DC pilot plant (5.6 MVA DC-arc)
  • Feed system (0.1 to 3.0 t/h)
  • DC-arc furnace (5.0 kA max) 'premelter'
  • DC-arc furnace (10.0 kA max) 'smelter'
  • Lead splash condenser (350 kg Zn/h max)
  • Off-gas handling plant (25 000 Nm³/h)
  • Power supply 2 x 2.8 MVA transformer/rectifiers
  • Control, instrumentation and data logging systems
5 t/d DC pilot plant (3.2 MVA DC-arc)
  • DC-arc furnace (3.3 kA max)
  • Feed system (1 t/h max)
  • Off-gas handling plant (6 500 Nm³/h)
  • Power supply 2 x 1.6 MVA transformer/rectifiers
  • Control, instrumentation and data logging systems
1 t/d DC pilot plant (200 kVA DC-arc)
  • DC-arc furnace (1.5 kA max)
  • Feed system (0.2 t/h max)
  • Off-gas handling plant (6 500 Nm³/h)
  • Power supply 1 x 1.6 MVA transformer/rectifier
  • Control and instrumentation systems
100 kVA DC-arc furnace facility
  • DC-arc furnace (1.0 kA max)
  • Feed system (50 kg/h max)
  • Power supply 1 x 104 kVA transformer/rectifier
  • Control, instrumentation and data logging systems
1 ton / day pilot plant (300 kVA AC-arc)
  • Three-phase arc furnace (250 kW max)
  • Power supply 1 x 300 kVA transformer/tap changer
  • Control and data logging systems
60 kVA AC arc furnace facility
  • Single-phase arc furnace (40 kW max)
  • Power supply 1 x 60 kVA transformer
  • Control system
300 mm bubbling fluidized-bed facility
  • 300 mm I.D., fluidized-bed (1100°C max)
  • Bed depth 780 mm.
  • Feed system (200 kg/h max)
  • Control and instrumentation systems
150 mm bubbling fluidized-bed facility
  • 150 mm I.D. fluidized-bed (1100°C max, internally fired)
  • 150 mm I.D. fluidized-bed (1200°C max, externally fired)
  • Bed depth 260 mm.
  • Feed system (50 kg/h max)
  • Control, instrumentation and data logging systems
Circulating fluidized-bed facility

Facilities under development (prototype stage)

Top-blown rotary converter
  • 0.5 m O.D. tiltable rotating furnace (1500°C max)
  • 120 kW oxygen-propane burner
  • Control system
Rotary drying kiln
  • 0.6 m I.D.  x 3 m steel shell kiln (5 r/min max)
  • 100 kW air-propane burner
  • Feed system (1 t/h max)

Support facilities

General refractory preparation and installation facility
  • Bogey hearth furnace 2 m³ capacity, 1200°C max
  • Refractory mixer (100 litre capacity)
  • Diamond brick-cutting saw
  • Furnace pre-firing heater (600C max, programmable heating rate)
Sample preparation facility
  • Jaw crusher 75 mm max size
  • Rotary crusher 20 mm max size
  • Ball mill 0.2 m O.D.
  • Zieb-technik swing mill 0.15 m dia.
  • Drying oven

Laboratory equipment

  • 3 x TGA facilities
  • 2 x induction furnaces
  • 1 x briquetting press
  • 2 x muffle furnaces

The Pyrometallurgy Division's pilot plants are located in the two bays marked with red dots. Mintek's offices and laboratories are shown in the background.




Pyrometallurgy Division, Mintek
200 Malibongwe Drive, Private Bag X3015, Randburg, 2125, South Africa
Phone: +27 (11) 709-4629
Fax: +27 (11) 793-6241
Manager: Isabel Geldenhuys, IsabelG@mintek.co.za

Copyright © 1996-2014, Glen Denton, Mintek GlenD@mintek.co.za (Last updated on 3 July 2014)