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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying a potential to a pre-weighed electrode submerged in a solution, which results in the desired substance being deposited through reduction at the cathode or oxidation at the anode. The electrode's weight is recorded after deposition, and the difference in weight gives the analyte's weight in the solution.
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Algae-driven bioelectrochemical systems: Recent advances, applications, and prospects.

Wilgince Apollon1, Manisha Verma2, Tatiana Kuleshova3

  • 1Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada (CICATA), Instituto Politécnico Nacional (IPN), Carretera Tampico-Puerto Industrial Altamira km 14.5, C. Manzano, Industrial Altamira, Altamira 89600, Mexico; Department of Agricultural and Food Engineering, Faculty of Agronomy, Autonomous University of Nuevo León, Francisco Villa S/N, Ex-Hacienda El Canadá, General Escobedo, Nuevo León 66050, Mexico.

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Summary
This summary is machine-generated.

Algae-assisted microbial fuel cells (MFCs) offer a sustainable solution for wastewater treatment and bioenergy production. These systems efficiently generate bioelectricity and biofuels while sequestering CO2, presenting a promising eco-friendly technology.

Keywords:
Algae-microbial fuel cellAlgal strainsBioelectrochemical systemHeterotrophic cultivationLife cycle assessmentPower densityTechnoeconomic assessment

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Area of Science:

  • Biotechnology and Environmental Science
  • Renewable Energy Systems
  • Sustainable Engineering

Background:

  • Bioelectrochemical systems (BESs), particularly microbial fuel cells (MFCs), are advanced sustainable biotechnologies.
  • Algae-assisted MFCs (algae-MFCs) are emerging as a key innovation for simultaneous bioelectricity generation and wastewater treatment.
  • These systems leverage photosynthesis for CO2 sequestration, oxygen production, and biomass generation, enhancing economic and environmental viability.

Purpose of the Study:

  • To review recent advancements in algae-based MFCs, focusing on bioelectricity and biofuel production.
  • To examine the influence of reactor design and operational parameters on algae-MFC performance.
  • To assess the scalability, technoeconomic feasibility, and future potential of algae-based BESs.

Main Methods:

  • Comprehensive literature review of recent studies on algae-MFCs.
  • Analysis of reported data on bioelectricity generation and biofuel yields.
  • Evaluation of reactor configurations, scaling strategies, and computational modeling approaches.

Main Results:

  • Algae-MFCs demonstrate significant potential for bioelectricity generation (up to 26,680 mW/m2) and diverse biofuel outputs (e.g., biohydrogen, biomethane, bioethanol, biodiesel).
  • Innovations include advancements in biokerosene (bio-jet) technology.
  • Reactor components and configurations significantly impact system performance, with ongoing research into scaling strategies and real-time applications.

Conclusions:

  • Algae-MFCs are effective in wastewater treatment and bioenergy production, offering a carbon-neutral approach.
  • Technoeconomic viability and scalability challenges are being addressed.
  • Future research should focus on optimizing designs and exploring novel applications for enhanced sustainability.