PPE 4 QUART 2

Question 1

This is a biological process that involves the conversion of the
monomeric units of sugars obtained from the hydrolysis step into
ethanol, acids and gases using microorganisms such as yeast, fungi
or bacteria.

Answer 1

FERMENTATION

Question 2

FERMENTATION
The most commonly used microorganism is yeast
especially ________ due to high yield of ethanol
and high tolerance limits.

Answer 2

Saccharomyces cerevisiae

Question 3

C6H12O6 + yeast →2C2H5OH + 2CO2

Answer 3

FERMENTATION

Question 4

BIOETHANOL RECOVERY
is the
most predominantly used for large scale operations.

Answer 4

Extractive distillation

Question 5

The fermentation of monomeric sugars is usually followed by

Answer 5

ethanol recovery