Cited by 144Algal biology and biofuel productionAquatic Ecosystems and Phytoplankton DynamicsWastewater Treatment and Reuse

Effect of light intensity on algal biomass accumulation and biodiesel production for mixotrophic strains Chlorella kessleri and Chlorella protothecoide cultivated in highly concentrated municipal wastewater

Li, Yecong, Zhou, Wenguang, Hu, Bing, Min, Min, Chen, Paul, Ruan, Roger R.·2012·Biotechnology and Bioengineering

Abstract

In this research, the effect of light intensity on biomass accumulation, wastewater nutrient removal through algae cultivation, and biodiesel productivity was investigated with algae species Chlorella kessleri and Chlorella protothecoide. The light intensities studied were 0, 15, 30, 60, 120, and 200 µmol m(-2) s(-1). The results showed that light intensity had profound impact on tested responses for both strains, and the dependence of these responses on light intensity varied with different algae strains. For C. kessleri, the optimum light intensity was 120 µmol m(-2) S(-1) for all responses except for COD removal. For C. protothecoide, the optimum light intensity was 30 µmol m(-2) S(-1). The major components of the biodiesel produced from algae biomass were 16-C and 18-C FAME, and the highest biodiesel contents were 24.19% and 19.48% of dried biomass for C. kessleri and C. protothecoide, respectively. Both species were capable of wastewater nutrients removal under all lighting conditions with high removal efficiencies.

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Crossref · 10.1002/bit.24491

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Authors
Li, Y., Zhou, W., Hu, B., Min, M., Chen, P., & Ruan, R. R.
Affiliations
University of Minnesota (US)
Corresponding author
Ruan, Roger R.
Venue
Biotechnology and Bioengineering
Publisher
Wiley
Published
2012-03-22
Volume
109
Issue
9
Pages
2222-2229
ISSN
  • 0006-3592 (ISSN-L)
  • 1097-0290
OpenAlex
W2150284398
Cited by
144
References
24
Citations by year
2026: 9 · 2025: 4 · 2024: 8 · 2023: 5 · 2022: 12 · 2021: 9 · 2020: 14 · 2019: 19 · 2018: 12 · 2017: 9 · 2016: 5 · 2015: 12 · 2014: 14 · 2013: 11 · 2012: 1
FWCI
4.66
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology and Bioengineering (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
Keywords
light intensity, Chlorella kessleri, mixotrophic cultivation, biodiesel production, municipal wastewater treatment, nutrient removal, fatty acid methyl esters, COD removal, microalgae
MeSH terms
Chlorella, Light, Sewage, Waste Disposal, Fluid, Biomass, Biofuels

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