Screening of microalgae species and evaluation of algal-lipid stimulation strategies for biodiesel production

Yang, Yefeng; Ge, Shuhan; Pan, Yitong; Qian, Weiyi; Wang, Shengnan; Zhang, Jian; Zhuang, Lin-Lan

doi:10.1016/j.scitotenv.2022.159281

Cited by 20 publications

(7 citation statements)

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“…N:15‐35 mg L ‐1 and P:4‐16 mg L ‐1 ) to balance the lipid accumulation and biomass growth. [ 41 ] Local isolated Chlorella vulgaris showed a lipid content of 18.57% in nitrogen‐limited digestate effluent (25 mg NH 4 ‐N/L, pH 7.8) at stationary phase (24 th day of cultivation), with a FAs composition dominated by the C18:2, C18:1, C16:0, compared to a lipid content of 10% DW for Chlorella vulgaris SAG 211/11b. [ 42 ] Lipids content for Coelastrella genus is ranging from 17.02 to 26.47% DW [ 43 ] and it could reach‐up to 50%DW under N and P starvation, indicating its potential as a lipid‐yielding strain.…”

Section: Resultsmentioning

confidence: 99%

Indigenous microalgae strains characterization for a sustainable biodiesel production

Amouri,

Aziza,

Kaidi

et al. 2023

Biotechnology Journal

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Microalgae have been widely recognized as a promising feedstock for sustainable biofuels production to tackle global warming and pollution issues related to fossil fuels uses. This study identified and analyzed indigenous microalgae strains for biodiesel production, specifically Chlorella vulgaris and Coelastrella thermophila var. globulina, from two distinct locations in Algeria. Molecular identification confirmed their identity, and the microalgae exhibited notable growth characteristics. Local Chlorella vulgaris and Coelastrella thermophila var. globulina showed good growth and high biomass yield, compared to Chlorella vulgaris CCAP211/11B reaching a weight of 1.48 g L‐1, 1.95 g L‐1, and 2.10 g L‐1, respectively. Lipids content of local Chlorella vulgaris, Coelastrella thermophila var. globulina, and Chlorella vulgaris CCAP211/11B, were found to be 31.39 ± 3.3%, 17 ± 2.26%, and 19 ± 0.64%, respectively. Chlorella vulgaris stood out as a candidate for biodiesel production due to its equilibrium between SFA and PUFA (43.24% and 45.27%). FAs are predominated by SFA and MUFA for Coelastrella thermophila var. globulina with value of 81.49% (SFA+MUFA). Predicted biodiesel qualities comply with ASTM6751 and EN14214 standards.Studied microalgae have therefore a promising potential for biodiesel production. However, optimising cultivation conditions is necessary to enhance biomass and lipids yield at a large scale.

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Section: Resultsmentioning

confidence: 99%

Indigenous microalgae strains characterization for a sustainable biodiesel production

Amouri,

Aziza,

Kaidi

et al. 2023

Biotechnology Journal

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“…62–65 Previous studies suggested that the biomolecule concentration varies with microalgal species and culture conditions. 66,67 For instance, Gupta & Pawar 68 investigated the feasibility of S. obliquus (NCIM No. 5586), S. abundans (NCIM No.…”

Section: Resultsmentioning

confidence: 99%

“…66,67 For instance, Gupta & Pawar68 investigated the feasibility of S. obliquus (NCIM No. 5586), S. abundans (NCIM No.…”

mentioning

confidence: 99%

Photosynthetic bioconversion of hydroponic effluent into biochemical-rich biomass for microalgal biorefineries

Tiwari,

Prajapati

2023

Environ. Sci.: Water Res. Technol.

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“…This is clearly an important aspect to tune TAG production in heterotrophy and resembles the biochemical mechanisms that are triggered by nutrient depletion in autotrophic cultures. ,, In reference to this, it has been reported that TAG production in C. cryptica can be increased from 5% to 60% by starvation of N and/or Si in photoautotrophic conditions . Although glycolipids and phospholipids are saponifiable, a high quantity of neutral lipids such as TAG increases transesterification velocity and FAME yields during the biodiesel production process .…”

Section: Resultsmentioning

confidence: 99%

Potential of Lipid Biosynthesis under Heterotrophy in the Marine Diatom Cyclotella cryptica

Morra,

Lanzilli,

Grazioso

et al. 2023

ACS Sustainable Chem. Eng.

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Despite the theoretical high productivity, microalgae-based oil production is not economically sustainable due to the high cost of photoautotrophic cultures. Heterotrophic growth is a suitable economic alternative to overcoming light dependence and climatic/geographic fluctuations. Here we report data about growth performance, biomass production, and lipid composition of the marine diatom Cyclotella cryptica , chosen as a model strain for biodiesel production in heterothrophy. A repeated-batch process of heterotrophic cultivation has also been investigated to assess the robustness and phenotypic stability. The process consisting of six constant cycle repetitions was carried out for 42 days and led to an average dry biomass production of 1.5 ± 0.1 g L –1 of which 20% lipids composed of 60% triglycerides, 20% phospholipids. and 20% glycolipids. The major fatty acids were C16:0 (∼26%), C16:1 ω-7 (∼57%), and C20:5 ω-3 (∼12%), with a significant reduction in the unsaturated fatty acids in comparison to other microalgae grown in heterotrophy. Fatty acids were differently distributed among the glycerolipid classes, and the lipid composition was used to compare the potential properties of C. cryptica oil with traditional vegetable biofuels.

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Screening of microalgae species and evaluation of algal-lipid stimulation strategies for biodiesel production

Cited by 20 publications

References 144 publications

Indigenous microalgae strains characterization for a sustainable biodiesel production

Indigenous microalgae strains characterization for a sustainable biodiesel production

Photosynthetic bioconversion of hydroponic effluent into biochemical-rich biomass for microalgal biorefineries

Potential of Lipid Biosynthesis under Heterotrophy in the Marine Diatom Cyclotella cryptica

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