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Related Concept Videos

Biofuels01:25

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The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
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Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
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Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...
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The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
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Related Experiment Video

Updated: Apr 8, 2026

Optimize Flue Gas Settings to Promote Microalgae Growth in Photobioreactors via Computer Simulations
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Optimization of process configuration and strain selection for microalgae-based biodiesel production.

Nan Yu1, Linus Tao Jie Dieu1, Simon Harvey2

  • 1Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.

Bioresource Technology
|June 27, 2015
PubMed
Summary

A new model optimizes microalgae biodiesel production, identifying cost-saving configurations. Microalgae strain properties significantly impact overall production expenses and system design.

Keywords:
Microalgae-based biodieselProcess designStrain selectionTechno-economic analysis

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Area of Science:

  • Biotechnology
  • Renewable Energy Engineering
  • Chemical Engineering

Background:

  • Microalgae are a promising source for sustainable biodiesel production.
  • Optimizing the design of microalgae-based biodiesel systems is crucial for economic viability.
  • Current production costs remain a significant barrier to widespread adoption.

Purpose of the Study:

  • To develop a comprehensive mathematical model for designing microalgae-based biodiesel production systems.
  • To identify the most economical system configurations by integrating all production stages and strain properties.
  • To analyze the impact of microalgae strain characteristics on production cost and system design.

Main Methods:

  • Development of a systematic mathematical model encompassing all biodiesel production stages.
  • Integration of microalgae strain properties (lipid content, diameter, productivity) into the model.
  • Hypothetical case study to evaluate system configurations and production costs.

Main Results:

  • The model identified the most economical system configuration for selected microalgae strains.
  • The cheapest biodiesel production cost achieved was S$2.66/kg, exceeding current diesel prices (S$1.05/kg).
  • Microalgae strain properties were identified as key factors influencing production cost and optimal system configuration.

Conclusions:

  • The developed model provides a valuable tool for designing cost-effective microalgae biodiesel systems.
  • Further improvements in microalgae strains and production processes are needed to compete with fossil fuels.
  • Strain properties are critical determinants for optimizing biodiesel production economics and system design.