Vinegar and Citric Acid
For the recovery of citric acid after fermentation, Ca(OH)2 is added to the slurry to

precipitate calcium citrate
precipitate calcium phosphate
precipitate calcium carbonate
precipitate calcium sulphate

ANSWER DOWNLOAD EXAMIANS APP

Vinegar and Citric Acid
Vinegar is typically produced in fed batch reactors because

a fed batch reactor can be used to maintain low acetic acid concentrations
All of these
a fed batch reactor can be used to maintain low ethanol concentrations
acetic acid bacteria tend to ferment at high ethanol concentrations

ANSWER DOWNLOAD EXAMIANS APP