Exploration of using stripped ammonia and ash from poultry litter for the cultivation of the cyanobacterium Arthrospira platensis and the green microalga Chlorella vulgaris.
Herein a new approach of exploiting poultry litter (PL) is demonstrated. The suggested method includes drying of PL with simultaneously striping and recovery of ammonia, followed by the direct combustion of dried PL. The generated ash after the combustion, and the striped ammonia consequently, could be used as nutrient source for the cultivation of microalgae or cyanobacteria to produce feed additives. The present study explored the application of PL ash and recovered ammonia for the cultivation of Arthrospira platensis and Chlorella vulgaris. For a simultaneously 90% dissolution of ash potassium and phosphorus, a ratio of acid to ash of 0.02mol-H(+)/g was required. The optimum mass of ash required was 0.07-0.08g/g dry biomass, while the addition of ammoniac nitrogen of 8-9mgN per g of dry biomass per day was adequate for a satisfactory production of A. platensis and C. vulgaris.
Department of Agricultural Engineering, Institute of Soil and Water Resources, Hellenic Agricultural Organization-Demeter, Leoforos Dimokratias 61, 13561 Athens, Greece; Department of Natural Resources Management and Agricultural Engineering, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece. Electronic address: markoug@aua.gr.
Giorgos
G
Markou
Department of Biotechnology of Agricultural Products, Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-Demeter, Sof. Venizelou 1, 14123 Lykovrissi, Athens, Greece.
Dimitris
D
Iconomou
Institute of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation, Vassileos Constantinou Avenue 48, 11635 Athens, Greece.
Theodore
T
Sotiroudis
Department of Biotechnology of Agricultural Products, Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-Demeter, Sof. Venizelou 1, 14123 Lykovrissi, Athens, Greece.
Cleanthes
C
Israilides
Laboratory Aquatic Biology, KU Leuven Kulak, E. Sabbelaan 53, 8500 Kortrijk, Belgium.
Koenraad
K
Muylaert
D000641:Ammonia / Q000378:metabolism*; D000818:Animals; D018533:Biomass; D048408:Chlorella vulgaris / Q000254:growth & development* / Q000378:metabolism; D008372:Manure; D058086:Microalgae / Q000254:growth & development; D009584:Nitrogen / Q000378:metabolism; D010758:Phosphorus / Q000378:metabolism; D011200:Poultry; D053545:Spirulina / Q000254:growth & development* / Q000378:metabolism
D008372:Manure; D010758:Phosphorus; D000641:Ammonia; D009584:Nitrogen
Ash; Cyanobacteria; Microalgae; Nutrients; Poultry litter