Evaluation of microalgae as bioremediation agent for poultry effluent and biostimulant for germination

This work addresses how a pre-treatment involving biomass ash influences the poultry effluent’s bioremediation using three microalga strains, such as Chlorella vulgaris, protothecoides and Tetradesmus obliquus. The undiluted effluent served culture medium for growth, both in batch semi continuous modes, remediation efficiency production yield were quantified. combination strategy mode, allowed removal of 100% total nitrogen, more than 80% phosphorus over 70% chemical oxygen demand. Average productivities 10 days 94.9, 76.2 72.0 mg L?1 day?1 obtained T. obliquus, C. vulgaris protothecoides, respectively. Regarding semi-continuous (28 days), achieved 245 194 obliquus Remediation rates nitrogen phosphorus, 92% COD attained. composition was assessed protein, sugar, lipid, contents. produced biomasses tested biostimulant showed 147% increase wheat germination index, microalga. use precipitate from fertilizer tests also results an 26%, 10% incorporation.