Effects of light illumination alteration on Chlorella vulgaris Buitenzorg's CO2 fixation in bubble column photobioreactor

Anondho Wijanarko, Dianursanti, Heidi, Roekmijati Widaningroem Soemantojo, Kazuhisa Ohtaguchi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Cultivation of Chlorella vulgaris Buitenzorg with alteration of light illumination using a maximum carbon dioxide transfer rate (CTRmax) base curve successfully enhanced the CTR value up to 1.74 times compared to alteration of light illumination with a growth base curve. This research produced a CTR average value of 28.6 g/dm3·h. A previous research produced a CTR average value of 16.4 g/dm3·h. Both cultivations were operated under the follow conditions: T = 29°C, P = 1 Atm, UG = 2.4 m/h, CO2 = 10%; Beneck medium; 1 dm3 Bubble Column Photo bioreactor; and illumination source by a Phillip Halogen Lamp 20W /12V/ 50Hz for maximization illumination up to 50 klx. During the cultivation in this research biomass was relatively lower than in the previous research, provided that the light intensity used also narrower than the light intensity range of maximum biomass production.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalInternational Journal on Algae
Volume8
Issue number1
DOIs
Publication statusPublished - 23 Jun 2006

Keywords

  • Alteration
  • Bubble-column photobioreactor
  • Carbon transfer rate
  • Chlorella vulgaris
  • Light illumination

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