An agro-zootechnical ultrafiltered digestate (UF) coming from an anaerobic digester plant was used to grow two strains of microalgae: Chlorella sp. and Phaeodactylum tricornutum, in a comparison with standard substrates. Chlorella sp. and P. tricornutum were able to grow on UF with similar growth rates (μ) to those obtained using standard substrates, i.e. μ of 0.216 d−1 and of 0.200 d−1 for Chlorella sp., and of 0.128 d−1 and 0.126 d−1 for P. tricornutum, on synthetic media and UF, respectively. Algae grown on UF showed similar final biomass composition to those obtained by using synthetic media. Algae were able to remove nitrogen from UF, i.e. 92% and 71%, for Chlorella sp. and P. tricornutum respectively. Microalgae can grow on UF producing good quality final biomass.

Pre-treated digestate as culture media for producing algal biomass / D. Veronesi, G. D'Imporzano, S. Salati, F. Adani. - In: ECOLOGICAL ENGINEERING. - ISSN 0925-8574. - 105(2017), pp. 335-340. [10.1016/j.ecoleng.2017.05.007]

Pre-treated digestate as culture media for producing algal biomass

D. Veronesi;G. D'Imporzano;S. Salati;F. Adani
2017

Abstract

An agro-zootechnical ultrafiltered digestate (UF) coming from an anaerobic digester plant was used to grow two strains of microalgae: Chlorella sp. and Phaeodactylum tricornutum, in a comparison with standard substrates. Chlorella sp. and P. tricornutum were able to grow on UF with similar growth rates (μ) to those obtained using standard substrates, i.e. μ of 0.216 d−1 and of 0.200 d−1 for Chlorella sp., and of 0.128 d−1 and 0.126 d−1 for P. tricornutum, on synthetic media and UF, respectively. Algae grown on UF showed similar final biomass composition to those obtained by using synthetic media. Algae were able to remove nitrogen from UF, i.e. 92% and 71%, for Chlorella sp. and P. tricornutum respectively. Microalgae can grow on UF producing good quality final biomass.
Biogas biorefinery; Microalgal growth; Nutrient removal; Ultrafiltered digestate; Wastewaters treatment; Environmental Engineering; Nature and Landscape Conservation; Management, Monitoring, Policy and Law
Settore AGR/13 - Chimica Agraria
ECOLOGICAL ENGINEERING
www.elsevier.com/inca/publications/store/5/2/2/7/5/1
Article (author)
File in questo prodotto:
File Dimensione Formato  
veronesi et al., 2017.pdf

non disponibili

Tipologia: Publisher's version/PDF
Dimensione 412.1 kB
Formato Adobe PDF
412.1 kB Adobe PDF   Visualizza/Apri   Richiedi una copia
Pubblicazioni consigliate

Caricamento pubblicazioni consigliate

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/501450
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 17
  • ???jsp.display-item.citation.isi??? 14
social impact