Laboratory

Laboratory


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Gas-Liquid Mass Transfer

Stirred Tank Reactors (3) (picture | schematic)


  • BioFlo 110 14L Fermentor (3)
    • 0 – 1200 RPM
    • Ring sparger
    • Dissolve oxygen probe
    • pH control capability
    • Temperature control capability
    • Radial flow impellers
      • Rushton (picture)
      • Concave (hollow) blade (picture)
    • Axial flow impellers
      • Philadelphia Mixing Pitched Blade Turbine (picture)
      • Philadelphia Mixing LS Hydrofoil (picture)
      • Lightnin A310 (picture)
      • Lightnin A315 (picture)
  • Dissolved carbon monoxide measurement capability
  • Extech Power Analyzer
  • Computer-controlled data acquisition system

 

External Loop Airlift Reactor (picture | schematic)


  • 10.2 cm ID riser
  • 2.54 cm ID downcomer
  • 2 pressure transducers
  • 2 thermocouples
  • Dissolved oxygen probe
  • 2 conductivity probes
  • Dissolved carbon monoxide measurement capability
  • 2 mass flow meters
    • 0 – 30 lpm (air)
    • 0 – 100 lpm (air)
  • Perforated plate gas distributors (1 mm diameter holes):
    • A = 0.62% (A = open area ratio)
    • A = 0.93%
    • A = 2.22%
  • Computer-controlled data acquisition system
     

Bubble Column Hydrodynamics

10.2 cm Semi-Batch Bubble Column (picture | schematic)


  • 2.3 m tall
  • 2 pressure transducers
  • 2 mass flow meters
    • 0 – 30 lpm (air)
    • 0 – 100 lpm (air)
  • Perforated plate gas distributors (1 mm diameter holes):
    • A = 0.62% (A = open area ratio)
    • A = 0.93%
    • A = 2.22%
  • Porous plate gas distributors:
    • 25.7% porosity (made from 0.5 micron particles)
    • 45.7% porosity (made from 20 microns particles)
    • 57.3% porosity (made from 100 microns particles)
  • Computer-controlled data acquisition system
15.2 cm Semi-Batch Bubble Column (picture | schematic)


  • 4 m tall
  • 3 pressure transducers
  • 2 thermocouples
  • 3 mass flow meters
    • 0 – 15 lpm (air)
    • 0 – 50 lpm (air)
    • 0 – 200 lpm (air)
  • Perforated plate gas distributors (1 mm diameter holes) (picture):
    • A = 0.57% (A = open area ratio)
    • A = 0.99%
    • A = 2.14%
  • Computer-controlled data acquisition system
 
32.1 cm Semi-Batch Bubble Column (picture | schematic)


  • 5.75 m tall
  • 11 pressure transducers
  • 2 thermocouples
  • 3 mass flow meters
    • 0 – 200 lpm (air)
    • 0 – 500 lpm (air)
    • 0 – 1000 lpm (air)
  • Perforated plate gas distributors (1 mm diameter holes)
    • A = 0.49% (A = open area ratio) (picture)
    • A = 0.95% (picture)
    • A = 2.03% (picture)
  • Computer-controlled data acquisition system
15.2 cm Cocurrent Bubble Column (picture | schematic)


  • 4 m tall
  • 5 pressure transducers
  • 2 thermocouples
  • 3 mass flow meters
    • 0 – 30 lpm (air)
    • 0 – 100 lpm (air)
    • 0 – 500 lpm (air)
  • Magnetic flow meter
    • 0-195 lpm (water)
  • 100 gal storage tank
  • 7.5 hp slurry pump with variable frequency drive
  • 0.5 hp mixer
  • Radial gas distributor (picture | schematic)
  • Computer-controlled data acquisition system
     

X-ray Flow Visualization

(picture | schematic)

LORAD LPX200 portable X-ray unit (2) (picture)


  • 10-200 kV, 0.1-10 mA, 900 W (max)
  • 1.5 mm spot size
  • 60° horizontal, 40° vertical cone beam
Precise Optics PS164X image intensifier (2) (picture)


  • Input region: 40.6 cm diameter
  • Output region: 35 mm diameter
DVC-1412 CCD camera (2)


  • Pixel size: 6.45 µm x 6.45 µm
  • Active pixels: 1388(H) x 1024(V)
  • Frame rate (binning): 10 fps (1×1), 20 fps (2×2),
    40 fps (4×4), 60 fps (8×8)
Motorized zoom lens (2)


  • 12.5-75 mm
Hamamatsu CsI phosphor screen


  • Input region: 44 cm x 44 cm (square)
Apogee Alta U9 CCD camera


  • Pixel size: 9 µm x 9 µm
  • Active pixels: 3072(H) x 2048(V)
  • Thermoelectric cooler for low noise and long exposures
  • Digitized signal capability of either 12 bit or 16 bit
 
 
Rotation system (picture)


  • Rotek 101.4 cm ID 150 tooth slewing ring
  • 30 tooth pinion gear
  • Parker 25:1 gearbox
  • Compumotor stepper motor and ZETA6112 controller
Vertical lift system (picture)


  • 910 kg (2000 lb) winch
  • Vertical track with 2.75 m travel
  • Approximately 4 m span in imaging region (with table extensions)
Control and data acquisition computer


  • 3.0 GHz Pentium processor
  • 250 GB hard-drive (2)
  • 4 GB PC3200 DDR RAM
  • Custom software for image acquisition, reconstruction, and visualization
Image reconstruction computer


  • 64-node LINUX cluster