Luminescent photobioreactor design for improved algal growth and photosynthetic pigment production through spectral conversion of light

Seyedeh Fatemeh Mohsenpour, Nicholas Willoughby

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)

Abstract

Growth characteristics of two strains of microalgae in bubble column photobioreactors were investigated under different cultivation conditions. Chlorella vulgaris and Gloeothece membranacea were cultivated in luminescent acrylic photobioreactors at different seed culture densities. Luminescent acrylic photobioreactors in blue, green, yellow, orange, and red colours capable of spectral conversion of light were used. The results indicated that the red luminescent photobioreactor enhanced biomass production in both strains of microalgae while pigmentation was induced under different light colours. Green light promoted chlorophyll production in C.vulgaris however chlorophyll production in G.membranacea cultures was less influenced by the light condition or culture density. Phycobiliproteins were the dominant pigments in G.membranacea and red light favoured synthesis of these pigments.

Original languageEnglish
Pages (from-to)147 - 153
Number of pages8
JournalBioresource Technology
Volume142
Early online date16 May 2013
DOIs
Publication statusPublished - Aug 2013

Keywords

  • photosynthetic pigments
  • photobioreactor
  • microalgae
  • light wavelength
  • luminescent

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