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Pereira ASADP, Silva TAD, Magalhães IB, Ferreira J, Braga MQ, Lorentz JF, Assemany PP, Couto EDAD, Calijuri ML. Biocompounds from wastewater-grown microalgae: a review of emerging cultivation and harvesting technologies. Science of The Total Environment 2024; 920:170918. [PMID: 38354809 DOI: 10.1016/j.scitotenv.2024.170918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/22/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
Microalgae biomass has attracted attention as a feedstock to produce biofuels, biofertilizers, and pigments. However, the high production cost associated with cultivation and separation stages is a challenge for the microalgae biotechnology application on a large scale. A promising approach to overcome the technical-economic limitations of microalgae production is using wastewater as a nutrient and water source for cultivation. This strategy reduces cultivation costs and contributes to valorizing sanitation resources. Therefore, this article presents a comprehensive literature review on the status of microalgae biomass cultivation in wastewater, focusing on production strategies and the accumulation of valuable compounds such as lipids, carbohydrates, proteins, fatty acids, and pigments. This review also covers emerging techniques for harvesting microalgae biomass cultivated in wastewater, discussing the advantages and limitations of the process, as well as pointing out the main research opportunities. The novelty of the study lies in providing a detailed analysis of state-of-the-art and potential advances in the cultivation and harvesting of microalgae, with a special focus on the use of wastewater and implementing innovative strategies to enhance productivity and the accumulation of compounds. In this context, the work aims to guide future research concerning emerging technologies in the field, emphasizing the importance of innovative approaches in cultivating and harvesting microalgae for advancing knowledge and practical applications in this area.
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Affiliation(s)
| | | | - Iara Barbosa Magalhães
- Federal University of Viçosa, Department of Civil Engineering, Viçosa, Minas Gerais, Brazil.
| | - Jessica Ferreira
- Federal University of Viçosa, Department of Civil Engineering, Viçosa, Minas Gerais, Brazil.
| | - Matheus Quintão Braga
- Federal University of Viçosa, Department of Civil Engineering, Viçosa, Minas Gerais, Brazil.
| | | | - Paula Peixoto Assemany
- Federal University of Lavras, Department of Environmental Engineering, Lavras, Minas Gerais, Brazil.
| | | | - Maria Lúcia Calijuri
- Federal University of Viçosa, Department of Civil Engineering, Viçosa, Minas Gerais, Brazil.
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Abrantes Silva T, Pereira ASADP, Ferreira J, Lorentz JF, de Assis ML, Assemany PP, Dos Reis AJD, Calijuri ML. Enhancing microalgae biomass production: Exploring improved scraping frequency in a hybrid cultivation system. J Environ Manage 2024; 355:120505. [PMID: 38442662 DOI: 10.1016/j.jenvman.2024.120505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/31/2024] [Accepted: 02/25/2024] [Indexed: 03/07/2024]
Abstract
Recently, hybrid systems, such as those incorporating high-rate algal ponds (HRAPs) and biofilm reactors (BRs), have shown promise in treating domestic wastewater while cultivating microalgae. In this context, the objective of the present study was to determine an improved scraping frequency to maximize microalgae biomass productivity in a mix of industrial (fruit-based juice production) and domestic wastewater. The mix was set to balance the carbon/nitrogen ratio. The scraping strategy involved maintaining 1 cm wide stripes to retain an inoculum in the reactor. Three scraping frequencies (2, 4, and 6 days) were evaluated. The findings indicate that a scraping frequency of each 2 days provided the highest biomass productivity (18.75 g total volatile solids m-2 d-1). The species' behavior varied with frequency: Chlorella vulgaris was abundant at 6-day intervals, whereas Tetradesmus obliquus favored shorter intervals. Biomass from more frequent scraping demonstrated a higher lipid content (15.45%). Extrapolymeric substance production was also highest at the 2-day frequency. Concerning wastewater treatment, the system removed 93% of dissolved organic carbon and ∼100% of ammoniacal nitrogen. Combining industrial and domestic wastewater sources to balance the carbon/nitrogen ratio enhanced treatment efficiency and biomass yield. This study highlights the potential of adjusting scraping frequencies in hybrid systems for improved wastewater treatment and microalgae production.
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Affiliation(s)
- Thiago Abrantes Silva
- Civil Engineering Department, Federal University of Viçosa, Campus Universitário, Viçosa, Minas Gerais, Brazil.
| | | | - Jéssica Ferreira
- Civil Engineering Department, Federal University of Viçosa, Campus Universitário, Viçosa, Minas Gerais, Brazil.
| | - Juliana Ferreira Lorentz
- Civil Engineering Department, Federal University of Viçosa, Campus Universitário, Viçosa, Minas Gerais, Brazil.
| | - Marília Luise de Assis
- Civil Engineering Department, Federal University of Viçosa, Campus Universitário, Viçosa, Minas Gerais, Brazil.
| | - Paula Peixoto Assemany
- Environmental Engineering Department, Federal University of Lavras, Campus Universitário, Lavras, Minas Gerais, Brazil.
| | | | - Maria Lúcia Calijuri
- Civil Engineering Department, Federal University of Viçosa, Campus Universitário, Viçosa, Minas Gerais, Brazil.
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Lorentz JF, Calijuri ML, Rad C, Cecon PR, Assemany PP, Martinez JM, Kholssi R. Microalgae biomass as a conditioner and regulator of soil quality and fertility. Environ Monit Assess 2024; 196:198. [PMID: 38265731 DOI: 10.1007/s10661-024-12355-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 01/11/2024] [Indexed: 01/25/2024]
Abstract
Characteristics of an acid soil cultivated with Urochloa brizantha cv. Marandu were evaluated in relation to two types of fertilization: a conventional one, chemical based on nitrogen and potassium, and a biofertilizer, based on microalgae biomass. The results were compared among three treatments, control, conventional, and biological fertilization, with seven replications each. The study evaluated microalgae community, total carbon and nitrogen contents, mineral nitrogen, and enzymatic activity. Chlorella vulgaris showed the highest organism density, which can be explained by its rapid growth and high resistance. The highest species diversity was detected in the control 1,380,938 org cm-3 and biological 1,841,250 org cm-3 treatments, with the latter showing a higher density of cyanobacteria, especially Pseudanabaena limnetica with 394,554 org cm-3. The soil treated with chemical fertilization showed higher nitrate (9.14 mg NKg-1 NO3--N) and potassium (52.32 mg dm-3) contents. The highest levels of sulfur (21.73 mg dm-3) and iron (96.46 mgdm-3) were detected in the biological treatment. The chemical treatment showed higher activity of the enzymes acid phosphatase, acetylglucosaminidase, and sulfatase, while α-glucosidase and leucine aminopeptidase stood out in the biological treatment. Soil properties were not significantly affected by the treatments. The use of microalgae biomass derived from wastewater treatment from milking parlors was evaluated and presented as a promising biofertilizer for agriculture, following the line of recovering nutrient-rich wastes. In this sense, although many challenges need to be overcome, the results suggest that microalgal-based fertilizers could lead to low-impact agriculture.
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Affiliation(s)
| | - Maria Lúcia Calijuri
- Department of Civil Engineering, Federal University of Viçosa, Viçosa, MG, Brazil
| | - Carlos Rad
- Composting Research Group, Faculty of Sciences, University of Burgos, Burgos, Spain
| | | | - Paula Peixoto Assemany
- Department of Environmental Engineering, Federal University of Lavras, Lavras, MG, Brazil
| | - Jorge Miñon Martinez
- Composting Research Group, Faculty of Sciences, University of Burgos, Burgos, Spain
| | - Rajaa Kholssi
- Composting Research Group, Faculty of Sciences, University of Burgos, Burgos, Spain
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Marangon BB, Magalhães IB, Pereira ASAP, Silva TA, Gama RCN, Ferreira J, Castro JS, Assis LR, Lorentz JF, Calijuri ML. Emerging microalgae-based biofuels: Technology, life-cycle and scale-up. Chemosphere 2023; 326:138447. [PMID: 36940833 DOI: 10.1016/j.chemosphere.2023.138447] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/23/2023] [Accepted: 03/17/2023] [Indexed: 06/18/2023]
Abstract
Microalgae biomass is a versatile feedstock with a variable composition that can be submitted to several conversion routes. Considering the increasing energy demand and the context of third-generation biofuels, algae can fulfill the increasing global demand for energy with the additional benefit of environmental impact mitigation. While biodiesel and biogas are widely consolidated and reviewed, emerging algal-based biofuels such as biohydrogen, biokerosene, and biomethane are cutting-edge technologies in earlier stages of development. In this context, the present study covers their theoretical and practical conversion technologies, environmental hotspots, and cost-effectiveness. Scaling-up considerations are also addressed, mainly through Life Cycle Assessment results and interpretation. Discussions on the current literature for each biofuel directs researchers towards challenges such as optimized pretreatment methods for biohydrogen and optimized catalyst for biokerosene, besides encouraging pilot and industrial scale studies for all biofuels. While presenting studies for larger scales, biomethane still needs continuous operation results to consolidate the technology further. Additionally, environmental improvements on all three routes are discussed in light of life-cycle models, highlighting the ample research opportunities on wastewater-grown microalgae biomass.
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Affiliation(s)
- B B Marangon
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - I B Magalhães
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - A S A P Pereira
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - T A Silva
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - R C N Gama
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - J Ferreira
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - J S Castro
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - L R Assis
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - J F Lorentz
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - M L Calijuri
- Department of Civil Engineering, Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
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Calijuri ML, Silva TA, Magalhães IB, Pereira ASADP, Marangon BB, Assis LRD, Lorentz JF. Bioproducts from microalgae biomass: Technology, sustainability, challenges and opportunities. Chemosphere 2022; 305:135508. [PMID: 35777544 DOI: 10.1016/j.chemosphere.2022.135508] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/22/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
Microalgae are a potential feedstock for several bioproducts, mainly from its primary and secondary metabolites. Lipids can be converted in high-value polyunsaturated fatty acids (PUFA) such as omega-3, carbohydrates are potential biohydrogen (bioH2) sources, proteins can be converted into biopolymers (such as bioplastics) and pigments can achieve high concentrations of valuable carotenoids. This work comprehends the current practices for the production of such products from microalgae biomass, with insights on technical performance, environmental and economical sustainability. For each bioproduct, discussion includes insights on bioprocesses, productivity, commercialization, environmental impacts and major challenges. Opportunities for future research, such as wastewater cultivation, arise as environmentally attractive alternatives for sustainable production with high potential for resource recovery and valorization. Still, microalgae biotechnology stands out as an attractive topic for it research and market potential.
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Affiliation(s)
- Maria Lúcia Calijuri
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Thiago Abrantes Silva
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Iara Barbosa Magalhães
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Alexia Saleme Aona de Paula Pereira
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Bianca Barros Marangon
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Letícia Rodrigues de Assis
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Juliana Ferreira Lorentz
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
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Guisard D, Lorentz JF, Castro G, Debry G. [Comparative study of lipoproteinograms obtained by three different methods (author's transl)]. Clin Chim Acta 1974; 53:79-83. [PMID: 4367160 DOI: 10.1016/0009-8981(74)90354-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Valantin P, Lorentz JF, Lambert H, Larcan A. [Value of a card index for identification of tablets in emergency diagnosis of poisoning by psychotropic drugs]. Eur J Toxicol 1972; 5:97-102. [PMID: 4648290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Larcan A, Bertrand JM, Lorentz JF, Valantin P, Maury G. [Card system permitting rapid identification or different solid dosage forms (tablets, chachets, pills, gelules, capsules)]. Presse Med (1893) 1971; 79:1853-6. [PMID: 5119042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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