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Table 5 Composition of Miscanthus hydrolysate prepared at the bench scale.

From: Efficient hydrogen production from the lignocellulosic energy crop Miscanthus by the extreme thermophilic bacteria Caldicellulosiruptor saccharolyticus and Thermotoga neapolitana

Components

 

g l-1

COD, g l-1

Monomeric sugars

 

38.3

40.0

 

Glucose

26.8

 
 

Xylose

10.3

 
 

Arabinose

1.2

 

Di- and/or oligosaccharides

  

7.6

Acetic acid

 

1.9

2.0

Lactic acid

 

1.8

1.9

Unknown components

  

13.8

Total hydrolysate

  

65.3

  1. Pretreatment of 1.35 kg of milled Miscanthus (10 × 10 mm2 sieve) was done at a solid content of 0.125 g g-1 and 9% NaOH (w w-1) for 6 h at 75°C. Acetic acid was used for pH adjustment of the dewatered pulp prior to enzymatic hydrolysis (50°C for 24 h).