Journal
BIORESOURCE TECHNOLOGY
Volume 297, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2019.122445
Keywords
Algae; Anaerobic digestate; Microbial community; Poultry litter; Wastewater treatment
Funding
- USDA National Institute of Food and Agriculture Hatch Project [ALA0HIGGINS]
- Alabama Agricultural Experiment Station
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The objective of this work was to test the impact of anaerobic digester microorganisms on algal growth, composition, and nutrient removal from digestate. Culture studies were carried out to determine the impacts of the microbial community on treatment of poultry litter anaerobic digestate by two strains of green algae: Auxenochlorella protothecoides and Chlorella sorokiniana. The results showed that the community doubled the growth of A. protothecoides but had no impact on C. sorokiniana growth. A similar result was observed for nutrient removal where the microbial community increased the capacity of A. protothecoides to remove ammonium and phosphate. The impact of the microbial community on biomass composition was minimal for both algae types.
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