Valorization of Algal Biomass to Produce Microbial Polyhydroxyalkanoates: Recent Updates, Challenges, and Perspectives

Polymers, Год журнала: 2024, Номер 16(15), С. 2227 - 2227

Опубликована: Авг. 5, 2024

Biopolymers are highly desirable alternatives to petrochemical-based plastics owing their biodegradable nature. The production of bioplastics, such as polyhydroxyalkanoates (PHAs), has been widely reported using various bacterial cultures with substrates ranging from pure biowaste-derived sugars. However, large-scale and economic feasibility major limiting factors. Now, algal biomass for PHA offers a potential solution these challenges significant environmental benefit. Algae, unique ability utilize carbon dioxide greenhouse gas (GHG) wastewater feed growth, can produce value-added products in the process and, thereby, play crucial role promoting sustainability. sugar recovery efficiency is variable depending on pretreatment procedures due inherent compositional variability among cell walls. Additionally, yields, composition, properties synthesized vary significantly microbial producers algal-derived Therefore, microalgal pretreatments synthesis copolymers still require considerable investigation develop an efficient commercial-scale process. This review provides overview discusses strategies enhance its properties, focusing managing GHGs sustainable future.

Язык: Английский

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Unveiling the potential of microalgae for bioplastic production from wastewater – current trends, innovations, and future prospects

Deleted Journal, Год журнала: 2024, Номер 1(1)

Опубликована: Сен. 2, 2024

Bioplastics derived from polyhydroxyalkanoates (PHAs) are among the promising substitutes for unsustainable petroleum-based polymers. PHA-based polymers demonstrate superior chemical and physical properties, such as hydrophobicity, insolubility in water, iso-tacticity, UV resistance, hydrolysis absolute biodegradability. Compared with conventional plastics, bioplastics more beneficial due to their reduced carbon footprint, energy efficiency, biodegradability, biocompatibility, have hence revolutionized polymer industry. However, further research is needed explore novel strategies overcome limitations, decreasing water absorption brittleness, while increasing crystallization ability thermal degradation temperature. These constraints can be addressed by supplementing bioplastic synthesis process reinforcements plasticizers. The development adoption of biopolymers an environmentally friendly economically viable synthetic plastics imperative, considering degree subsequent exhaustion petrochemical supplies worldwide environmental contamination instigated industrial production plastics. goal this appraisal provide in-depth account most recent advancements generation various wastewater streams via use microalgae, harvesting technologies. microalgae higher quality made polymeric biomolecules include based on cellulose, starch, proteins, PHA, polyhydroxybutyrate (PHB), polyethylene (PE), polylactic acid (PLA), poly vinyl chloride (PVC). Various types manufacturing methodologies also been highlighted researchers capitalists alike investigate ways harness these renewable resources sustainable bioplastics. Additionally, innovations, challenges, potential possibilities future, life cycle evaluations addressed.

Язык: Английский

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The potential of Nordic microalgae in nutrient removal from anaerobic digestion effluents

Physiologia Plantarum, Год журнала: 2024, Номер 176(1)

Опубликована: Янв. 1, 2024

Abstract Anaerobic digestion is a promising method for organic waste treatment. While the obtained digestate can function as fertilizer, liquid fraction produced rather problematic to discharge due its high nitrogen and chemical oxygen demand contents. Microalgae have great potential in sustainable nutrient removal from wastewater. This study aimed at evaluating native Swedish microalgae cultivation (batch operation mode, 25°C continuous light of 80 μmol m −2 s −1 ) on anaerobic effluent pulp paper sludge (PPS) or chicken manure (CKM) remove ammonium volatile fatty acids (VFAs). algal strains, Chlorella vulgaris , Chlorococcum sp., Coelastrella Scotiellopsis reticulata Desmodesmus could assimilate VFAs carbon source, acetic acid was most preferred. Higher biomass cell densities were achieved using PPS compared CKM. In PPS, sp. reached highest after 15 days, about 79 × 10 6 43 cells mL respectively. Although completely assimilated (195 mg L ), this only 46% (172 concentration independently medium (1.84 g 1.99 CKM). strain candidate production aforementioned media, followed by They reduce environmental impact industrial effluents Nordic countries.

Язык: Английский

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A comprehensive review on versatile microalga Tetraselmis: Potentials applications in wastewater remediation and bulk chemical production

Journal of Environmental Management, Год журнала: 2024, Номер 365, С. 121520 - 121520

Опубликована: Июнь 24, 2024

Язык: Английский

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Algal systems for wastewater treatment

Elsevier eBooks, Год журнала: 2025, Номер unknown, С. 71 - 110

Опубликована: Янв. 1, 2025

Язык: Английский

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Biopolymers—Isolation and Properties from a Food Packaging Perspective

Опубликована: Янв. 1, 2025

Язык: Английский

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Prospective technical and technological insights into microalgae production using aquaculture wastewater effluents

Journal of Environmental Management, Год журнала: 2025, Номер 377, С. 124537 - 124537

Опубликована: Фев. 27, 2025

Microalgae biomass is a promising resource addressing climate change and play role in energy transition for generating biofuels. Due to their ability produce higher yield per year, biofuels obtained from microalgae are considered 3rd generation-advanced The industrial production of mitigates the effects CO2 emissions can be used wastewater bioremediation since most effluents rich nutrients. Using as growth media promotes principles circular economy nutrient recovery. aquaculture effluent contains high levels nitrogenous compounds, well phosphates dissolved organic carbon. current review aims identify, centralize, provide extensive information on decisive technological technical factors involved process different species wastewater. study focuses performance indicators, specific control strategies applied achieve pH control, it has been highlighted one important growth-related cofactors. A bibliometric framework was developed identify future trends integrated production. scientific literature analysis great potential production, due superior lipid carbohydrate productivity. Most systems found aim at controlling bioreactor by injecting CO2, while few other papers consider manipulating oxygen. need higher-level arises not only track or DO references but also maximize treatment efficiency bioreactor.

Язык: Английский

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Sustainable Production of Microbial Biopolymer Utilizing Waste

Опубликована: Янв. 1, 2025

Язык: Английский

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Two years of outdoor cultivation in alternate climates produces little divergence in the productivity of Nannochloropsis

The Science of The Total Environment, Год журнала: 2025, Номер 981, С. 179587 - 179587

Опубликована: Май 5, 2025

Язык: Английский

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Microalgae biotechnology applied to wastewater treatment and biopolymer production: A sustainable alternative for resource recovery

Journal of Water Process Engineering, Год журнала: 2025, Номер 75, С. 107900 - 107900

Опубликована: Май 13, 2025

Язык: Английский

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