From: Reduced use of phosphorus and water in sequential dark fermentation and anaerobic digestion of wheat straw and the application of ensiled steam-pretreated lucerne as a macronutrient provider in anaerobic digestion
Pretreatment
Catalyst
Temp (°C)
Time (min)
1
No catalyst
200
5
2
10
3
210
4
1 wt% acetic acid
190
6