Effect of mine wastewater on nutrient removal and lipid production by a green microalga Micratinium reisseri from concentrated municipal wastewater

Min Kyu Ji, Akhil N. Kabra, El Sayed Salama, Hyunseog Roh, Jung Rae Kim, Dae Sung Lee, Byong Hun Jeon

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Effect of mine wastewater on the nutrient removal efficiency of a green microalga Micratinium reisseri from concentrated municipal wastewater (CMW) with simultaneous lipid production was investigated. Different dilution ratios (1-10%) of CMW either with mine wastewater (MWF) or mine wastewater without Fe (MWOF) were used. M. reisseri showed the highest growth (0.8gL-1) and nutrient uptake (35.9mgTNL-1 and 5.4mgTPL-1) at 3% MWF ([Fe]tot=6.7mgL-1), and the highest lipid productivity (10.4mgL-1day-1) at 5% MWF ([Fe]tot=11.2mgL-1) after 15days. CMW supported the algal autoflocculation due to formation of phosphate, calcium and magnesium precipitates at a high suspension pH. Fatty acid methyl ester analysis revealed that the microalgal lipids possessed 79-82% of C16/C18 fatty acids. Application of mine wastewater improved the nutrient removal efficiency, growth and lipid productivity of M. reisseri cultivated in CMW.

Original languageEnglish
Pages (from-to)84-90
Number of pages7
JournalBioresource Technology
Volume157
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

microalga
Lipids
Nutrients
Wastewater
lipid
wastewater
Fatty acids
Fatty Acids
fatty acid
Productivity
productivity
nutrient removal
effect
Calcium phosphate
nutrient uptake
Dilution
ester
Magnesium
Precipitates
magnesium

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Ji, Min Kyu ; Kabra, Akhil N. ; Salama, El Sayed ; Roh, Hyunseog ; Kim, Jung Rae ; Lee, Dae Sung ; Jeon, Byong Hun. / Effect of mine wastewater on nutrient removal and lipid production by a green microalga Micratinium reisseri from concentrated municipal wastewater. In: Bioresource Technology. 2014 ; Vol. 157. pp. 84-90.
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Effect of mine wastewater on nutrient removal and lipid production by a green microalga Micratinium reisseri from concentrated municipal wastewater. / Ji, Min Kyu; Kabra, Akhil N.; Salama, El Sayed; Roh, Hyunseog; Kim, Jung Rae; Lee, Dae Sung; Jeon, Byong Hun.

In: Bioresource Technology, Vol. 157, 01.01.2014, p. 84-90.

Research output: Contribution to journalArticle

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