Artigo de periodico

Semi-continuous cultivation of Chlorella minutissima in landfill leachate: Effect of process variables on biomass composition (2021)

• Authors:
  • Santos, Wallyson Ribeiro
  • Pereira, Priscila
  • Roma, Carolina
  • Santos, Julio Cesar dos
  • Tagliaferro, Gerônimo Virgnio
  • Silva, Messias Borges
  • Guimarães, Daniela Helena Pelegrine
• USP affiliated authors: GUIMARÃES, DANIELA HELENA PELEGRINE - EEL ; SANTOS, JÚLIO CÉSAR DOS - EEL ; TAGLIAFERRO, GERONIMO VIRGINIO - EEL ; SILVA, MESSIAS BORGES - EEL ; PEREIRA, PRISCILA - EEL ; ROMA, CAROLINA - EEL ; SANTOS, WALLYSON RIBEIRO DOS - EEL
• Unidade: EEL
• DOI: 10.1007/s12649-021-01614-8
• Subjects: BIOMASSA; CHLORELLA
• Keywords: Biomass; Landfll leachate; Chlorella minutissima; Airlift photobioreactor
• Agências de fomento:
  • Financiamento FAPESP
• Language: Inglês
• Abstract: Purpose Microalgal biomass composition can be modulated by changing the type of bioreactor and cultivation conditions. Besides, these microorganisms can produce valuable biomass components from unconventional culture media, including effluents and wastes. Our objective was to evaluate the production and composition of biomass in an airlift bioreactor operated in a semi-continuous mode to cultivate the microalgae Chlorella minutissima in a landfill leachate-based medium. Methods Chlorella minutissima was cultivated in an airlift bioreactor operated in semi-continuous mode, applying a Taguchi L9 orthogonal arrangement and analyzing the effects of factors landfill leachate concentration (LC), percentage flux of CO2 added to the gas stream (GP), aeration flow in the reactor (AF), and feed flow (FR), on the cellular composition of biomass. Results The microalgae produced high protein levels, reaching a maximum content of 69.60% (LC: 10%, GP: null, AF: 0.30 vvm and FR: 0.9 µmax). The highest contents of lipid and carbohydrate were 17.4% (LC: 15%, GP: null, AF: 0.45 vvm and FR: 0.7 µmax vvm) and 11.6% (LC: 10%, GP: 15%, AF: 0.15 vvm and FR: 0.7 µmax). Statistical analysis showed LC was the most influential factor. GP did not show significance for any response, while the variables AF and FR showed significance in the productivity of proteins. Conclusion The use of unconventional cultivation media in airlift bioreactor operated in semi-continuous mode was shown as a system with potential to be used to valorize leachate by producing valuable biomass, allowing to obtain different cell composition by varying the process conditions.
• Imprenta:
  • Publisher: Springer
  • Publisher place: Albi
  • Date published: 2021
• Source:
  • Título: Waste and Biomass Valorization
  • ISSN: 1877-2641
  • Volume/Número/Paginação/Ano: v.13, p. 1627–1638, 2021

Informações sobre o DOI: 10.1007/s12649-021-01614-8 (Fonte: oaDOI API)
• Este periódico é de assinatura
• Este artigo NÃO é de acesso aberto
  
• Cor do Acesso Aberto: closed

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• ABNT

  SANTOS, Wallyson Ribeiro et al. Semi-continuous cultivation of Chlorella minutissima in landfill leachate: Effect of process variables on biomass composition. Waste and Biomass Valorization, v. 13, p. 1627–1638, 2021Tradução . . Disponível em: https://doi.org/10.1007/s12649-021-01614-8. Acesso em: 01 jan. 2026.

• APA

  Santos, W. R., Pereira, P., Roma, C., Santos, J. C. dos, Tagliaferro, G. V., Silva, M. B., & Guimarães, D. H. P. (2021). Semi-continuous cultivation of Chlorella minutissima in landfill leachate: Effect of process variables on biomass composition. Waste and Biomass Valorization, 13, 1627–1638. doi:10.1007/s12649-021-01614-8

• NLM

  Santos WR, Pereira P, Roma C, Santos JC dos, Tagliaferro GV, Silva MB, Guimarães DHP. Semi-continuous cultivation of Chlorella minutissima in landfill leachate: Effect of process variables on biomass composition [Internet]. Waste and Biomass Valorization. 2021 ;13 1627–1638.[citado 2026 jan. 01 ] Available from: https://doi.org/10.1007/s12649-021-01614-8

• Vancouver

  Santos WR, Pereira P, Roma C, Santos JC dos, Tagliaferro GV, Silva MB, Guimarães DHP. Semi-continuous cultivation of Chlorella minutissima in landfill leachate: Effect of process variables on biomass composition [Internet]. Waste and Biomass Valorization. 2021 ;13 1627–1638.[citado 2026 jan. 01 ] Available from: https://doi.org/10.1007/s12649-021-01614-8

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