Multifors 2 - Parallel Bench-top Bioreactor
Setup and Function
Page
72
of
211
28 March 2018
As an option for cell cultures, carbon dioxide (CO
2
) can be used
instead of liquid acid for pH control.
4.6.1 Gassing Strategy
The following variants are available:
Basic (bacterial system only)
Manual flow control via rotameter
Gasmix via solenoid valves
Standard
Gas flow control via one electronic mass flow controller
Gasmix via solenoid valves
High End
Gas flow control and Gasmix via electronic mass flow controllers, 1
piece per gas.
Additionally for cell cultures available:
Head space gassing with Air
Manual gas flow control via rotameter.
CO
2
sparger gassing for pH control
Either manual gas flow control via rotameter or automatic via elec-
tronic mass flow controller. Addition either via solenoid valve or via
the same mass flow controller that is used for flow control.
4.6.2 Gas Entry
In the standard configuration, the gas is led into the medium via:
Sparger with aeration ring in:
750 mL vessels for bacterial cultures
Ring sparger in:
