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Related Concept Videos

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...
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...
Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
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...
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...
Red Algae01:23

Red Algae

Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...

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Related Experiment Video

Updated: May 26, 2026

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation
08:17

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation

Published on: August 14, 2020

Growth condition study of algae function in ecosystem for CO2 bio-fixation.

David Dah-Wei Tsai1, Rameshprabu Ramaraj, Paris Honglay Chen

  • 1Department of Soil and Water Conservation, National Chung-Hsing University, 250, Kuo Kuang Rd., 402 Taichung, Taiwan.

Journal of Photochemistry and Photobiology. B, Biology
|December 27, 2011
PubMed
Summary

High rate ponds (HRPs) effectively capture carbon dioxide (CO2), mimicking natural algae systems. These systems demonstrate efficient CO2 bio-fixation and self-purification, offering a sustainable ecological engineering solution.

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Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation
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Published on: August 14, 2020

Evaluation of the Effect of Growth Factors on Chlorophylls a and b Production from Microalgae
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Evaluation of the Effect of Growth Factors on Chlorophylls a and b Production from Microalgae

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Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests
10:08

Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests

Published on: June 14, 2017

Area of Science:

  • Environmental science
  • Ecology
  • Biotechnology

Background:

  • Algae are vital for the carbon cycle and CO2 sequestration.
  • Natural algae systems offer significant potential for carbon capture.
  • Understanding algae's role in ecosystems is crucial for environmental management.

Purpose of the Study:

  • To investigate CO2 bio-fixation using high rate ponds (HRPs).
  • To mimic and evaluate the natural CO2 sequestration function of algae.
  • To explore efficient CO2 uptake processes and optimal growth conditions in ecosystems.

Main Methods:

  • Utilized high rate ponds (HRPs) to simulate algae CO2 bio-fixation.
  • Conducted statistical analyses to compare HRPs with natural systems and CSTRs.
  • Performed carbon mass balance and analyzed nitrogen species under various conditions.

Main Results:

  • HRPs achieved over 100% CO2 consumption efficiency.
  • HRP performance closely matched natural systems and continuously stirred tank reactors (CSTRs).
  • CO2 was identified as the primary carbon source, with HRPs supporting nutrient removal and self-purification.

Conclusions:

  • HRPs effectively mimic natural algae CO2 bio-fixation and sequestration.
  • HRPs demonstrate self-purification capabilities, including nutrient removal.
  • High rate ponds represent a promising ecological engineering alternative for carbon capture.