Phycoremediation: Role of Microalgae in Waste Management and Energy Production

Silva, Paulo Alexandre S. da; Vargas, José Viriato Coelho; Mariano, André Bellin; Severo, Ihana Aguiar

doi:10.1007/978-3-030-91570-4_17

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2023

2024

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Cited by 4 publications

(1 citation statement)

References 88 publications

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“…This technological route has received increasing interest from researchers and scientists in the area of microalgae-based processes for industrial effluent treatment. The microalgae cell immobilization in polymeric alginate matrices can be performed by several methods and can be exploited for the bioremediation of different types of wastewater and contaminants [23].…”

Section: Introductionmentioning

confidence: 99%

Introductory Chapter: Alginate – A Brief Presentation

C.S. Silva,

Zaguine,

Bellin Mariano

et al. 2024

Biochemistry

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Section: Introductionmentioning

confidence: 99%

Introductory Chapter: Alginate – A Brief Presentation

C.S. Silva,

Zaguine,

Bellin Mariano

et al. 2024

Biochemistry

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Production of H2 for use in low-temperature fuel cell technology

Gonçalves,

Jacob-Furlan,

Martins

et al. 2024

Nanotechnology for Hydrogen Production and Storage

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Utilizing Mixed Cultures of Microalgae to Up-Cycle and Remove Nutrients from Dairy Wastewater

Hajri,

Alsharif,

Albalawi

et al. 2024

Biology

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This study explores the novel use of mixed cultures of microalgae—Spirulina platensis, Micractinium, and Chlorella—for nutrient removal from dairy wastewater (DW). Microalgae were isolated from a local wastewater treatment plant and cultivated under various light conditions. The results showed significant biomass production, with mixed cultures achieving the highest biomass (2.51 g/L), followed by Spirulina (1.98 g/L) and Chlorella (1.92 g/L). Supplementing DW (75%) with BG medium (25%) significantly enhanced biomass and pH levels, improving pathogenic bacteria removal. Spirulina and mixed cultures exhibited high nitrogen removal efficiencies of 92.56% and 93.34%, respectively, while Chlorella achieved 86.85% nitrogen and 83.45% phosphorus removal. Although growth rates were lower under phosphorus-limited conditions, the microalgae adapted well to real DW, which is essential for effective algal harvesting. Phosphorus removal efficiencies ranged from 69.56% to 86.67%, with mixed cultures achieving the highest removal. Microbial and coliform removal efficiencies reached 97.81%, with elevated pH levels contributing to significant reductions in fecal E. coli and coliform levels. These findings suggest that integrating microalgae cultivation into DW treatment systems can significantly enhance nutrient and pathogen removal, providing a sustainable solution for wastewater management.

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Phycoremediation: Role of Microalgae in Waste Management and Energy Production

Cited by 4 publications

References 88 publications

Introductory Chapter: Alginate – A Brief Presentation

Introductory Chapter: Alginate – A Brief Presentation

Production of H2 for use in low-temperature fuel cell technology

Utilizing Mixed Cultures of Microalgae to Up-Cycle and Remove Nutrients from Dairy Wastewater

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