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Table 4 Contents of VS in percentage and contents of TOC and ethanol in g/l for the substrates passed to AD and in the inoculum

From: Ethanol and biogas production after steam pretreatment of corn stover with or without the addition of sulphuric acid

Pretreatment

Substrate

VS (%)

TOC (g/l)

Ethanol (g/l)

 

Inoculum

1.36

-

-

No catalyst

Hydrolysate

1.77

10.9

-

 

Thin stillage from SSF with unwashed material

3.64

14.1

0.03

 

Thin stillage from SSF with washed material

1.15

5.5

0.19

0.2% Sulphuric acid

Hydrolysate

2.48

13.7

-

 

Thin stillage from SSF with unwashed material

3.66

18.1

0.09

 

Thin stillage from SSF with washed material

1.29

6.8

0.03