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Evaluation of CO2 Biofixation and Biodiesel Production by Spirulina (Arthospira) Cultivated In Air-Lift Photobioreactor
Morais, Etiele Greque de; Cassuriaga, Ana Paula Aguiar; Callejas, Nicolás; Martinez, Natalia; Vieitez, Ignacio; Jachmanián, Iván; Santos, Lucielen Oliveira; Morais, Michele Greque de; Costa, Jorge Alberto Vieira.
  • Morais, Etiele Greque de; Universidade Federal do Rio Grande. Escola de Química e Alimentos. Rio Grande. BR
  • Cassuriaga, Ana Paula Aguiar; Universidade Federal do Rio Grande. Escola de Química e Alimentos. Rio Grande. BR
  • Callejas, Nicolás; Universidad de la República. Facultad de Química. Montevideo. UY
  • Martinez, Natalia; Universidad de la República. Facultad de Química. Montevideo. UY
  • Vieitez, Ignacio; Universidad de la República. Facultad de Química. Montevideo. UY
  • Jachmanián, Iván; Universidad de la República. Facultad de Química. Montevideo. UY
  • Santos, Lucielen Oliveira; Universidade Federal do Rio Grande. Escola de Química e Alimentos. Rio Grande. BR
  • Morais, Michele Greque de; Universidade Federal do Rio Grande. Escola de Química e Alimentos. Rio Grande. BR
  • Costa, Jorge Alberto Vieira; Universidade Federal do Rio Grande. Escola de Química e Alimentos. Rio Grande. BR
Braz. arch. biol. technol ; 61: e18161339, 2018. tab, graf
Article in English | LILACS | ID: biblio-974103
ABSTRACT
ABSTRACT Spirulina is a microalgal genre that has the capacity to produce various bioproducts with applications in several areas including the energy sector. The study aimed to assess the ability of CO2 biofixation, biodiesel and other biocompounds production by Spirulina sp LEB 18 cultured in air-lift photobioreactor. The microalgae presented a rich macronutrient composition protein (47.3%), carbohydrates (13.4%) and a high lipid content (32.7%) in a media with nitrogen reduction, CO2 using air-lift photobiorector. Furthermore, 160 mg.L.d-1 of CO2 was biofixed, generating a maximum biomass yield of 0.02 g.L.d-1. The lipids evaluated for biodiesel production presented a theoretical yield of 19.8% for in situ transesterification and 47.9% for conventional transesterification. The microalgal biomass has potential for producing biodiesel that can be applied instead or in mixture with traditional diesel fuel. The study of obtaining energy associated with the production of other high value-added biocompounds from the microalgal biomass is of high importance because in this way, the viability of biofuel production by this microorganism can be increased.


Full text: Available Index: LILACS (Americas) Language: English Journal: Braz. arch. biol. technol Journal subject: Biology Year: 2018 Type: Article Affiliation country: Brazil / Uruguay Institution/Affiliation country: Universidad de la República/UY / Universidade Federal do Rio Grande/BR

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Full text: Available Index: LILACS (Americas) Language: English Journal: Braz. arch. biol. technol Journal subject: Biology Year: 2018 Type: Article Affiliation country: Brazil / Uruguay Institution/Affiliation country: Universidad de la República/UY / Universidade Federal do Rio Grande/BR