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Table 3 Energy balance and energy ratio of sorghum ethanol pathways

From: Life-cycle energy use and greenhouse gas emissions of production of bioethanol from sorghum in the United States

 

I

II

III(a)

III(b)

IV

V(a)

V(b)

Energy balance, MJa/Liter

10.4

17.0

16.8

17.2

12.5

15.4

15.7

Energy ratio

2.0

4.9

4.7

5.2

2.4

3.6

3.8

  1. a Lower heating value.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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