Fermentor

Fermentor

Teaching Objectives of 

• Material balance evaluation.
• Study of fermentation parameters (pH, O2, temperature, carbon source, supply mode, dilution rate) on growth of microorganisms.
• Study of control loops (temperature, pH, O2).
• Measurements : pH, oxygen, agitation speed, temperature

Technical specifications

• A 316L stainless steel tank with an upper flange. Tightness by O-ring
• A stainless steel cover with a back flange and fittings (tank and cover are pressure sealed)
• An agitator with electronic speed control
• Two stirring mobiles (Rushtons type) (adjustable height)
• A pH measuring probe and its controller with 2 thresholds
• An acid/base dosage station with 2 small bottles and 2 peristaltic pumps
• A probe measuring dissolved oxygen and its controller with 2 thresholds for the control of the compressor
• A flowmeter to set the air flow
• A compressor
• An electrical resistor element, capable of immersion
• A temperature controller with 2 thresholds and a Pt100 temperature probe
• A sterile sampling system
• A measuring pump for adding culture or nutritive elements environment
• A stainless steel condenser
• A transfer plug with sterilizable filter (0,22 µms)
• A control panel including temperature transmitter, pH, O2 and pumps and stirrers control units.
• Table-top stainless steel frame

Options :

• Option 1 : Data acquisition card and modem (to control O2, temperature parameters) allowing process data and events storage – Pentium PC 75 MHz)
• Option 2 : PC computer supervising system

Dimensions

• 700 x 700 x 600 mm

Essential requirements

• Consumption : 1kW - 220 V mono
• Table or lab bench