Demographics
Catchment zone characteristics
Inner zone (urban)     Deduced demographics
Effective inner radius of central zone 3 km     Inner zone area 2827.4 ha
Fixed population inside central zone for:-     #Pickups   Inner zone average collection distance (crow) 2.0 km
Human sewage sludge 5100 People 3 sewage plants Outer zone area 5026.5 ha
Generic food waste, domestic collection 5100 People 2 municipal depots Outer zone average collection distance (crow) 4.1 km
Dairy cattle manure 0 Cows 0 farms Outer zone population for :-    
Beef cattle manure 0 Cows 0 farms Human sewage sludge 0.0 People
Laying hens 0 Hens 0 farms Generic food waste, domestic collection 201.1 People
Broiler chickens 0 Chickens 0 farms Dairy cattle manure 0.0 Cows
Pig slurry 0 Pigs 0 farms Beef cattle manure 2714.3 Cows
Horse manure 20 Horses 0 stables Laying hens 0.0 Hens
      Broiler chickens 0.0 Chickens
Outer zone (rural) Pig slurry 7539.8 Pigs
Outer radius of scheme 5 km     Horse manure 20.1 Horses
Homogeneous population in outer zone for:-     Pickup sizes   Total population for:-    
Human sewage sludge 0 People/ha 1000 people/sewage plant Human sewage sludge 5100.0 People
Generic food waste, domestic collection 0.04 People/ha 1000 people/municipal depot Generic food waste, domestic collection 5301.1 People
Dairy cattle manure 0 Cows/ha 150 cattle/farm Dairy cattle manure 0.0 Cows
Beef cattle manure 0.54 Cows/ha 150 cattle/farm Beef cattle manure 2714.3 Cows
Laying hens 0 Hens/ha 50000 hens/farm Laying hens 0.0 Hens
Broiler chickens 0 Chickens/ha 50000 chickens/farm Broiler chickens 0.0 Chickens
Pig slurry 1.5 Pigs/ha 2000 pigs/farm Pig slurry 7539.8 Pigs
Horse manure 0.004 Horses/ha 20 horses/farm Horse manure 40.1 Horses
Commercial wastes in the catchment zone
    Average Number        
    distance of          
  Wet Mass to travel pickup   Notes      
  tonnes/day km locations          
Generic food waste 0 0 0        
Vegetable wastes 0 0 0        
Meat wastes 0 0 0        
Blood 0 0 0        
Fish wastes 0 0 0        
Sugary waste (eg soft drinks) 0 0 0          
Grass clippings 0 0 0          
Energy crops 0 0 0          
Paper/sawdust 4 7 2          
Water 0 0 0          
Commercial digestate (liquor) sales
Amount sold or given free back to participating farmers 100%     This digestate must be transported a distance equal to the outer zone average collection distance.
Amount of this collected with farmer's own transport 100%    
Liquor sale price to farmers (enter 0 for free) 2.00 /tonne  
Liquor sale price of the remaining amount 0.00 /tonne  
Average transport distance of the remaining amount 4.1 km            
Indication of feedstock mix quality (from ResultsSummary sheet)
Overall expected dry solids content of feedstock 11.9% OK This figure should ideally be in the 6-12% range          
Overall expected C:N ratio 20.0   Optimally this should be 20-30