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Digester effluent is discharged from the pilot plant daily. The effluent is composed of liquids and solids. The solids are separated from the liquids by a screen at the time of discharge from the tank. The solids are composed primarily of wood chips and feather quills. The liquids contain most of the nitrogen and salts from the digested litter, while the solids contain most of the phosphorus and metals.
Nutrient Composition of Solids and Liquids
The Fertilizer Potential of Liquid and Solid Effluent from Thermophilic Anaerobic Digestion of Poultry Waste1
Fertilizer Potential Of Effluent From Thermophilic Anaerobic Digestion Of Poultry Waste (Poster)2
Solid Effluent From Thermophilic Anaerobic Digestion of Poultry Litter as a Potential Fertilizer3
Liquid Effluent From Thermophilic Anaerobic Digestion of Poultry Litter As A Potential Fertilizer4
1 Liedl BE, Bombardiere J, Chatfield JM. 2005. The fertilizer potential of liquid and solid effluent from thermophilic anaerobic digestion of poultry waste. In: Ahring BK, Hartmann, H. editors. Procceedings of the 4th international symposium on anaerobic digestion of solid waste; 2005 Aug 31-Sept 2; Copenhagen, Denmark. London: International Water Association. p 309-316.
2 Bombardiere J, Liedl BE, Williams ML, Chatfield JM. 2004) Fertilizer potential of effluent from thermophilic anaerobic digestion of poultry waste. Proceedings of Anaerobic Digestion 2004 3:1193-1195.
3 Liedl BE, Bombardiere J, Williams ML, Stowers A, Postalwait C, Chatfield JM. 2004. Solid effluent from thermophilic anaerobic digestion of poultry litter as a potential fertilizer. HortScience 39:877 (abstract).
4 Liedl BE, Bombardiere J, Stowers A, Mazzaferro K, Chatfield JM. 2005. Liquid effluent from thermophilic anaerobic digestion of poultry litter as a potential fertilizer. HortScience 40:974 (abstract).
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