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Related Concept Videos

Green Algae01:21

Green Algae

992
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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Other Algae01:19

Other Algae

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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: Mar 9, 2026

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
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Microalgal Cultivation in Secondary Effluent: Recent Developments and Future Work.

Junping Lv1, Jia Feng2, Qi Liu3

  • 1School of Life Science, Shanxi University, Taiyuan 030006, China. lvjunping024@sxu.edu.cn.

International Journal of Molecular Sciences
|January 4, 2017
PubMed
Summary

Microalgae effectively remove nitrogen and phosphorus from secondary effluent, producing biomass and lipids for biodiesel. Further research is needed to optimize pollutant removal and lipid accumulation for sustainable energy and water treatment.

Keywords:
biomass productionlipid accumulationmicroalgaepollutants removalthe treatment of secondary effluent

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Area of Science:

  • Environmental Science
  • Biotechnology
  • Renewable Energy

Background:

  • Eutrophication and greenhouse gas emissions pose significant global economic challenges.
  • Secondary effluents from wastewater treatment are rich in nitrogen and phosphorus, requiring advanced treatment.
  • Developing sustainable, environmentally friendly energy sources is crucial.

Purpose of the Study:

  • To review the progress of microalgal cultivation in secondary effluent for pollutant removal and biodiesel feedstock production.
  • To assess the potential of microalgae in addressing water pollution and energy demands simultaneously.

Main Methods:

  • Comprehensive literature review on microalgal cultivation in secondary effluent.
  • Analysis of studies on pollutant removal (nitrogen, phosphorus) and lipid accumulation.
  • Evaluation of techniques like microalgal immobilization and consortium development.

Main Results:

  • Microalgae demonstrate effective removal of nitrogen and phosphorus from secondary effluent.
  • Microalgal cultivation leads to the accumulation of biomass and lipids suitable for biodiesel.
  • Immobilization and microalgal-bacterial consortia enhance pollutant removal and lipid yield.
  • Pilot-scale studies confirm the feasibility of this integrated approach.

Conclusions:

  • Integrating microalgal cultivation with secondary effluent treatment offers a dual solution for environmental remediation and biofuel production.
  • Further research is essential to optimize microalgal strains, consortium design, harvesting techniques, and utilization of residues.
  • Developing advanced technologies is necessary for large-scale implementation and economic viability.