Cultivation of Chlamydomonas reinhardtii in Anaerobically Digested Vinasse for Bioethanol Production

Tasić, Marija B.; Bonon, Anderson J.; Schiavon, Maria Ingrid Rocha Barbosa; Klein, Bruno Colling; Veljković, Vlada B.; Filho, Rubens Maciel

doi:10.1007/s12649-020-01034-0

Cited by 12 publications

(5 citation statements)

References 47 publications

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“…Azul can be valorized as an alternative for developing microalgae bioprocesses. Recently, Tasic et al [31] developed a bioremediation and ethanol fermentation bioprocess from anaerobically digested vinasses using Chlamydomonas reinhardtii CC-1093 which reached biomass productivity of 1129.2 mg L −1 day −1 . In another study, the biomass production of C. vulgaris increased proportionally to vinasse concentration reaching 255 mg L −1 with a load of 50% [32].…”

Section: Discussionmentioning

confidence: 99%

“…[17,30], and Chlamydomonas sp. [31,33] to bio-remediate different agro-industrial wastewater cultured in mixotrophy. Although, in this study, the highest biomass production obtained agreed with the highest nutrient removal efficiencies reached by each microalga evaluated, nutrient removal can be influenced by biotic or abiotic factors-microbial competition or temperature and alkaline pH (> 8.5), stimulating nitrogen volatilization or phosphorous precipitation-hindering precise determination of real nutrient assimilation by microalgae from wastewater [35].…”

Section: Discussionmentioning

confidence: 99%

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Mixotrophic growth regime as a strategy to develop microalgal bioprocess from nutrimental composition of tequila vinasses

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Ramos-Ibarra

Mondragón-Cortéz

et al. 2021

Bioprocess Biosyst Eng

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The selection of a suitable growth regime can increase the physiological performance of microalgae and improve bioprocess based on these microorganisms from agro-industrial residues. Thus, this study assessed the biotechnology capacity-biomass production, biochemical composition, and nutrient uptake-from tequila vinasses (TVs) as the nutrient source of three indigenous microalgae-Chlorella sp., Scenedesmus sp., and Chlamydomonas sp.-cultured under heterotrophic and mixotrophic conditions. The results demonstrated that under the mixotrophic regime, the three microalgae evaluated reached the highest nitrogen uptake, biomass production, and cell compound accumulation. Under this condition, Chlorella sp. and Scenedesmus sp. showed the highest nutrient uptake and biomass production, 1.7 ± 0.3 and 1.9 ± 0.3 g L −1 , respectively; however, the biochemical composition, mainly carbohydrates and proteins, varied depending on the microalgal strain and its growth regime. Overall, our results demonstrated the biotechnological capacity of native microalgae from TVs, which may vary not only depending on the microalgal strain but also the culture strategy implemented and the characteristics of the residue used, highlighting-from a perspective of circular bio-economy-the feasibility of implementing microalgal bioprocess to reuse and valorize the nutrimental composition of TVs through biomass and high-valuable metabolite production, depicting a sustainable strategy for tequila agro-industry in Mexico.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Mixotrophic growth regime as a strategy to develop microalgal bioprocess from nutrimental composition of tequila vinasses

Choix

Ramos-Ibarra

Mondragón-Cortéz

et al. 2021

Bioprocess Biosyst Eng

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“…In Tasic et al [133], the authors produce Chlamydomonas reinhardtii biomass and ethanol from a biofuel process that integrates vinasse treatment by removing nutrients with algae in bioethanol. Bioremediation by culture and fermentation were performed in a single step, turning the light air on and off, respectively.…”

Section: Scope Of Studiesmentioning

confidence: 99%

Post-Industrial Use of Sugarcane Ethanol Vinasse: A Systematic Review

et al. 2022

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Vinasse is a toxic pollutant if it is poured into the ecosystem indiscriminately; despite this, it integrates components that make it valuable in nutrients and water. However, its use has been questioned due to the costs involved in its purification. This systematic review focuses on the valorization of vinasse from the studies performed for its post-industrial use. Trends in vinasse management and bioproduct development were analyzed. The PRISMA statement was used as a formal guide for collecting and analyzing 131 studies from 2018 to 2022. We determined that biological processes are the most used to obtain the benefits of vinasse, obtaining up to three post-industrial bioproducts. While it is true that there is a predominant trend of studies focused on the generation of biofuels, it must be noted that the beginning of the sucro-alcohol chain was the agricultural field. In this sense, we determine that 14% of the studies treat vinasse for agricultural reuse purposes, so, under Circular Economy principles, the reincorporation of vinasse into the agricultural field to take advantage of its goodness in nutrients and minerals as a sustainable and eco-efficient alternative should be a research trend that accelerates the consumption of vinasse generated in alcohol distilleries.

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“…Anaerobic wastes were handled in a manner that ensured the supply of biomass for biofuel generation was not compromised. The combination anaerobic digestion/fermentation method requires more investigation to understand its strengths and weaknesses (Tasic et al, 2021). Inversely, reversing the method works well.…”

Section: Disposal Of Residues and Bioethanol Productionmentioning

confidence: 99%

Efficient conversion of night-blooming giant water lily into bioethanol and biogas

Junluthin

Pimpimol

Whangchai

2021

Maejo Int. J. Energ. Environ. Comm. or MIJEEC

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This study aimed to characterize and evaluate an inedible giant water lily as a bioenergy feedstock. The conversion of giant water lily organics to bioenergy can produce renewable energy. Composition study indicated that giant water lily is an excellent feedstock for bioethanol and biogas production. Fermentation effluent wastes from anaerobic digestion were transformed directly into ethanol using an alkali pretreatment. Under mild operating conditions, alkaline pretreatment with NaOH enhanced ethanol and biogas output. Anaerobic digestion of giant water lily yielded a methane content of 62.44% digestion with cow dung inoculum. The highest ever achieved was an ethanol yield of 4.82 g/L of digested effluent after only 24 hours of fermentation. The pretreated materials were then enzymatically hydrolyzed, fermented to ethanol. Furthermore, co-digestion in biogas plants may be economically advantageous for biorefineries because the by-products (digestate) are obtained within the biorefinery itself and are acceptable for external feedstocks for ethanol fermentation.

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Cultivation of Chlamydomonas reinhardtii in Anaerobically Digested Vinasse for Bioethanol Production

Cited by 12 publications

References 47 publications

Mixotrophic growth regime as a strategy to develop microalgal bioprocess from nutrimental composition of tequila vinasses

Mixotrophic growth regime as a strategy to develop microalgal bioprocess from nutrimental composition of tequila vinasses

Post-Industrial Use of Sugarcane Ethanol Vinasse: A Systematic Review

Efficient conversion of night-blooming giant water lily into bioethanol and biogas

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