Microalgae cultivation in sugarcane vinasse: Selection, growth and biochemical characterization

Santana, Hugo; Cereijo, C. R.; Teles, V. C.; Nascimento, Rodrigo C.; Fernandes, Maiara Sousa; Brunale, Patrícia P. M.; Campanha, Raquel C.; Soares, I. P.; Silva, Flávia C.P.; Sabaini, Priscila Seixas; Siqueira, Félix Gonçalves de; Brasil, Bruno S. A. F.

doi:10.1016/j.biortech.2016.12.075

Cited by 131 publications

(56 citation statements)

References 38 publications

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“…Biomass productivity of 0.16 and 0.22 g L -1 day -1 in mixotrophic culture of Micractinium sp. and Chlamydomonas biconvexa, respectively, were obtained by [26] in clarified vinasse with Ca(OH) 2 without dilution.…”

Section: Microalgae Cultivationmentioning

confidence: 99%

Growth of Desmodesmus subspicatus green microalgae and nutrient removal from sugarcane vinasse clarified by electrocoagulation using aluminum or iron electrodes

Saavedra¹,

Bissoto²,

Souza³

et al. 2019

DYNA

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Sugarcane ethanol production generates considerable quantities of vinasse, its main wastewater. Microalgae cultivation is a promising option for effluent remediation, since the generated biomass can be feedstock for biofuel and bio-based chemical production. Due to vinasse high turbidity, pretreatment is necessary to clarify this effluent, adapting it as a mixotrophic culture medium. In this context, the present research evaluated the integrated process of electrocoagulation (EC) of sugarcane vinasse with aluminum or iron electrodes and subsequent cultivation of green microalgae Desmodesmus subspicatus. Results indicate pH neutralization and high turbidity removal efficiency by EC with both electrode materials. Aluminum EC and subsequent microalgae cultivation removed 66 and 75% of initial total organic carbon and total nitrogen, respectively, with biomass productivity of 1.45 g L-1day-1 and maximum specific growth rate of 0.095 h-1. Microalgae productivity was inferior in vinasse pretreated by iron EC, suggesting possible interference of ferric compounds in the microalgal development.

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Section: Microalgae Cultivationmentioning

confidence: 99%

Growth of Desmodesmus subspicatus green microalgae and nutrient removal from sugarcane vinasse clarified by electrocoagulation using aluminum or iron electrodes

Saavedra¹,

Bissoto²,

Souza³

et al. 2019

DYNA

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“…After ethanol extraction, the residual liquor, a brownish-black and dark liquid known as vinasse, remains [26]. Vinasse has a pH of 3.5-5 (COD 50-150 g/L, and 30-70% COD is BOD) [26], and its K + , Ca 2+ , Mg 2+ , Cl − , and SO 4 2− concentrations are relatively high [27].…”

Section: Introductionmentioning

confidence: 99%

“…According to the its high nutritional properties of, vinasse is proposed as a nutritive substrate for various microorganism cultivation [31]. Aparicio, Benimeli, Almeida, Polti, and Colin [26] and Santana, Cereijo, Teles, Nascimento, Fernandes, Brunale, Campanha, Soares, Silva, Sabaini, Siqueira, and Brasil [27] used vinasse as a substrate for Actinobacteria and microalgaemicractinum sp. and C. biconvexa biomass production, respectively.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Filamentous Fungal Biomass Cultivated on Vinasse as an Alternative Nutrient Source of Fish Feed: Protein, Lipid, and Mineral Composition

et al. 2019

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The rapid growth of aquaculture and scarcity of conventional fish feed supplements has prompted the introduction of new sustainable supplementation sources. In this study, the potential of five strains of fungal biomass of Ascomycetes and Zygomycetes edible filamentous fungi, Aspergillus oryzae, Neurospora intermedia, Rizhopus oryzae, Monascus purpureus, and Fusarium venenatum, cultivated on vinasse, a by-product of the bioethanol industry, as alternative protein sources for fishmeal in the fish diet was evaluated. It was observed that 5% vinasse with an initial pH of 5–6.5 can support fungal biomass yields of 34.3 ± 2.4–118.5 ± 3.9 g DM/L for A. Oryzae, N. intermedia, and R. oryzae. High protein contents of about 44.7%, 57.6%, and 50.9% (w/w), and fat contents of 7.0%, 3.5%, and 5.5% (w/w) were obtained for A. oryzae, N. intermedia, and R. oryzae, respectively. The latter three fungi species contained noticeable amino acid contents, including promising profiles of amino acids that are highly compatible with those of fishmeal. These findings provide evidence that fungal biomasses, with their relatively high protein content, good amino acid profiles, and other essential nutrients, are a promising supplementation alternative that can be produced from low-value by-products and organic-rich waste streams like vinasse to meet the dietary protein requirements in fish feed.

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“…The most essential nutrients (nitrates, phosphates, and glucose) that contribute to the production of biomass and lipid content are costly for large scale cultivation. Several strategies were applied to reduce the cultivation cost, such as nitrogen starvation and wastewater cultivation [21,22]. However, these strategies failed to increase the biomass yield and lipid contents at a large scale [23].…”

Section: Microalgaementioning

confidence: 99%

The Use of Urea and Kelp Waste Extract is A Promising Strategy for Maximizing the Biomass Productivity and Lipid Content in Chlorella sorokiniana

Kumbhar

Rajper

et al. 2020

Plants

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The decline in fossil fuel reserves has forced researchers to seek out alternatives to fossil fuels. Microalgae are considered to be a promising feedstock for sustainable biofuel production. Previous studies have shown that urea is an important nitrogen source for cell growth and the lipid production of microalgae. The present study investigated the effect of different concentrations of urea combined with kelp waste extract on the biomass and lipid content of Chlorella sorokiniana. The results revealed that the highest cell density, 20.36 × 10 7 cells −1 , and maximal dry biomass, 1.70 g/L, were achieved in the presence of 0.5 g/L of urea combined with 8% kelp waste extract. Similarly, the maximum chlorophyll a, b and beta carotenoid were 10.36 mg/L, 7.05, and 3.01 mg/L, respectively. The highest quantity of carbohydrate content, 290.51 µg/mL, was achieved in the presence of 0.2 g/L of urea and 8% kelp waste extract. The highest fluorescence intensity, 40.05 × 10 7 cells −1 , and maximum total lipid content (30%) were achieved in the presence of 0.1 g/L of urea and 8% kelp waste extract. The current study suggests that the combination of urea and kelp waste extract is the best strategy to enhance the biomass and lipid content in Chlorella sorokiniana.Plants 2020, 9, 463 2 of 12 extensive water and land for cultivation; therefore, the productive and cultivated land must be used for food instead of biofuel production [6].Microalgae are an extremely promising biofuel feedstock due to the following reasons: microalgae have higher photosynthetic efficiencies, a rapid growth rate (commonly doubling its biomass within 24 h), a high lipid content compared to terrestrial crops [7], tolerance to extreme conditions (desert and arid lands) [8], a lesser impact on the environment and on the global food supply, less need of land for cultivation [9,10], and, finally, the production of substantial biomass (10-40 g DW m −2 day −1 ) per unit land area, producing as much as two times to ten times more biomass than terrestrial crops [11,12]. The lipid content of microalgae is usually in the range of 20-50% [7]. The lipid percentages of different microalgae assumed by various scholars are shown in Table 1.

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Microalgae cultivation in sugarcane vinasse: Selection, growth and biochemical characterization

Cited by 131 publications

References 38 publications

Growth of Desmodesmus subspicatus green microalgae and nutrient removal from sugarcane vinasse clarified by electrocoagulation using aluminum or iron electrodes

Growth of Desmodesmus subspicatus green microalgae and nutrient removal from sugarcane vinasse clarified by electrocoagulation using aluminum or iron electrodes

Evaluation of Filamentous Fungal Biomass Cultivated on Vinasse as an Alternative Nutrient Source of Fish Feed: Protein, Lipid, and Mineral Composition

The Use of Urea and Kelp Waste Extract is A Promising Strategy for Maximizing the Biomass Productivity and Lipid Content in Chlorella sorokiniana

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