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Table 3 Energy inflow of raw materials and surplus heat and energy outflow of products including the mass flow of DDGS

From: Heat integration of combined 1st and 2nd generation ethanol production from wheat kernels and wheat straw

 

1G

2G

Co-located 1G & 2G

Combined 1G & 2G

Energy inflow

Raw material (MW)

136

119

256

256

Natural gas (methane) added: with heat integration (MW)

37

0

11

0

Natural gas (methane) added: without heat integration (MW)

64

0

60

0

Electricity (MW)

2

1

3

3

Products

Total biogas production: with heat integration (MW)

0

7.5

7.5

8.4

Total biogas production: without heat integration (MW)

0

7.5

7.5

8.4

Biogas surplus: with heat integration (MW)

0

7.5

0.0

8.4

Biogas surplus: without heat integration (MW)

0

6.8

0.0

0.5

Ethanol production (MW)

75

30

105

106

Total electricity production: with heat integration (MW)

0

18

17

31

Total electricity production: without heat integration (MW)

0

15

17

27

DDGS production (kg/h)

14134

0

14134

0