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Related Concept Videos

Biofuels01:25

Biofuels

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...
Green Algae01:21

Green Algae

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...
Overview of Algae01:28

Overview of Algae

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...
Other Algae01:19

Other Algae

The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...

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Related Experiment Video

Updated: Jul 4, 2026

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
11:08

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids

Published on: January 7, 2019

Microalgae production: technical and economic evaluations.

P Tapie1, A Bernard

  • 1Association pour la Recherche en Bioénergie Solaire, CEN Cadarache, BP1, 13108 St Paul Lez Durance, France.

Biotechnology and Bioengineering
|September 20, 1988
PubMed
Summary
This summary is machine-generated.

Large-scale algae production costs vary widely, from $0.15 to $4.0 per kg, depending on the scheme. Tubular bioreactor systems show potential for cost-effective biomass production.

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Last Updated: Jul 4, 2026

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Microalgae Cultivation and Biomass Quantification in a Bench-Scale Photobioreactor with Corrosive Flue Gases
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Microalgae Cultivation and Biomass Quantification in a Bench-Scale Photobioreactor with Corrosive Flue Gases

Published on: December 19, 2019

Area of Science:

  • Biotechnology
  • Algal Biotechnology
  • Sustainable Production Systems

Background:

  • Algae cultivation is a promising source for biomass production.
  • Estimating large-scale algae production costs is complex due to varying methodologies and technologies.
  • Previous literature data on algae production costs require updated and standardized analysis.

Purpose of the Study:

  • To review and recompute literature data for large-scale algae production costs.
  • To compare different algae production schemes and identify cost drivers.
  • To present a detailed cost analysis of a tubular bioreactor system for algae cultivation.

Main Methods:

  • Comprehensive literature review of algae production cost data.
  • Updating and recalculating cost estimates from various sources.
  • Cost analysis of a specific tubular bioreactor system, including operating and fixed costs.
  • Parametric sensitivity analysis based on varying productivity levels.

Main Results:

  • Non-processed algae biomass production costs range from US$0.15 to US$4.0 per kg.
  • Tubular bioreactor systems, at 60 tons/ha/yr productivity, show estimated costs of FF24 to FF29 per kg.
  • Operating and fixed costs each constitute approximately 50% of total production costs.
  • Algae production costs are highly sensitive to productivity, with costs decreasing significantly at higher yields.

Conclusions:

  • Significant variations in algae production costs are attributed to differing process hypotheses and technologies.
  • Tubular bioreactor technology offers a potentially cost-effective method for large-scale algae biomass production.
  • Optimizing productivity is crucial for reducing the overall cost of algae biomass production.