Skip to main content

Table 1 Characteristics of investigated AD plants based on bio-waste

From: Digestion of bio-waste - GHG emissions and mitigation potential

Plant no. Installed electrical capacity kW el Kind of fermentation a Temperature b Range of temp. in °C c Mode of operation HRT in days d Residues storage tank Post-composting e Type of aeration (post-composting) External heat utilization f
1 630 Wet M   Multi-stage 8 Covered x Open, unaerated  
2 536 Wet T   Multi-stage 20 Covered x Open, unaerated x
3 986 Wet M   Single-stage 17 Open    
4 1200 Wet M 37-40 Multi-stage 25 Open, covered    
5 1790 Dry T   Single-stage 25 Gas-proof covered    
6 1413 Dry T 55 Single-stage 21 Covered x Open, unaerated  
7 816 Dry T   Single-stage 28   x Enclosed, aerated (pressure ventilation)  
8 625 Dry T 55 Single-stage 14 Gas-proof covered x Enclosed, aerated and unaerated (pressure ventilation) x
9 640 Dry T   Single-stage 21 Covered x Enclosed, aerated (pressure ventilation)  
10 625 Batch M 37-39 Single-stage 28   x Enclosed, aerated (pressure ventilation) x
11 680 Batch M 40-42 Single-stage 21   x Open, aerated, enclosed x
12 370 Batch M 40-42 Single-stage 21   x Open, unaerated x
  1. aWet = wet fermentation, dry = dry fermentation, batch = batch system (discontinuous). bM = mesophilic, T = thermophilic. cAccording to the information of plant operators (if available). dHydraulic retention time. ex = post-composting process. fx = external heat utilization.