Bubble free aeration systems requires – McqOptions

MCQOPTIONS

1.	Bubble free aeration systems requires
A.	silicone tubing or gas permeable membranes to facilitate gas transfer
B.	carbon dioxide instead of air to supply oxygen
C.	silicone tubing or gas permeable membranes to remove carbon dioxide by oxygen in the form of hydrogen peroxide
D.	filled headspace of the reactor with carbon dioxide
Answer» B. carbon dioxide instead of air to supply oxygen

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