possible integration of biogas+bioethanol processing - bioenergybaltic

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possible integration of biogas+bioethanol processing - bioenergybaltic

AD manure as water and nutrient source

fermentation of IBUS straw in pre-treated AD manure and water

ethanol [g/100g]

1,8

1,6

1,4

1,2

1

0,8

0,6

0,4

0,2

0

0 20 40 60 80 100 120 140 160

time [h]

Straw+121.0

Straw+121.12

Straw+Water

manure 121.12

Successful ethanol

fermentation in AD manure as a

water and nutrient source

3400

3200

ammonia [mg/L]

3000

2800

2600

2400

2200

2000

0 20 40 60 80 100 120 140 160

time [h]

Straw 1 Straw 2 Maize 1 Maize 2

Nitrogen uptake during ethanol

fermentation.

AD manure can be recirculated

several times as a N-source

36

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