Question

he growth of baker's yeast (S. cerevisiae) on glucose may be simply described by following equation CH,,06 3 02 0.48 NH,-> 0.48 C6H,,No, 4.32 H,O 3.12 CO2 yeast In a batch reactor of volume 10 1, the final desired yeast concentration is 50 gdw/1. a. Determine the concentration and total amount of glucose and (NH4),SO4 in the nutrient medium. b. Determine the yield coefficients YxIs (biomass/glucose) and Yro (biomass/oxygen). c. Determine the total amount of oxygen required. d. If the rate of growth at exponential phase is r, 0.7 gdw/l-h, determine the rate of oxygen consumption (g O,/1-h) e. Calculate the heat-removal requirements for the reactor (recall equation 6.26).

Answer 1

Complete Question (in order)

The growth of baker's yeast (S. cerevisiae) on glucose may be simply described by following equation:

C₆H₁₂0₆ + 30₂ + 0.48 NH₃ => 0.48C₆H₁₂NO₃ + 4.32H₂O + 3.12CO₂ yeast

In a batch reactor of volume 10 1, the final desired yeast concentration is 50 gdw/1.

a. Determine the concentration and total amount of glucose and (NH4)₂SO4 in the nutrient medium.

b. Determine the yield coefficients
`Y_(x/s)` (biomass/glucose) and
`Y_(x/o)` (biomass/oxygen).

c. Determine the total amount of oxygen required.

d. If the rate of growth at exponential phase is
`r_x` = 0.7 gdw/l-h, determine the rate of oxygen consumption (g O₂/1-h)

e. Calculate the heat-removal requirements for the reactor (recall equation 6.26).

Answer:

a. 2.3 × 10⁴ kg

b. 0.384 and 0.72

c. 6.94 × 10³ kg

d. 0.973

Step-by-step explanation:

The given equation that describes the growth of baker's yeast on glucose

C₆H₁₂0₆ + 30₂ + 0.48 NH₃ => 0.48C₆H₁₂NO₃ + 4.32H₂O + 3.12CO₂ yeast

The volume of batch reactor is given as 10⁵ Liters

The final desired yeast concentration is 50 gdw/l

The following attached documents gives additional solution for all other answers

Answer 2

Step-by-step explanation:

Find attached the solution