TY - JOUR
T1 - Selecting an indigenous microalgal strain for lipid production in anaerobically treated piggery wastewater
AU - Marjakangas, Jatta M.
AU - Chen, Chun Yen
AU - Lakaniemi, Aino Maija
AU - Puhakka, Jaakko A.
AU - Whang, Liang Ming
AU - Chang, Jo Shu
N1 - Funding Information:
TUT’s Graduate School is acknowledged for funding this research. Thanks also for Maj and Tor Nessling foundation, TUT foundation and A.R. Winter’s memorial foundation for travel Grants. The authors also acknowledge the financial support received for this work from Taiwan’s Ministry of Science and Technology ( 104-3113-E-006-003 and 103-2221-E-006-190-MY3 ). This work is also supported in part by the Taiwan’s Ministry of Education under the ATU plan.
Publisher Copyright:
© 2015 Elsevier Ltd.
PY - 2015/6/8
Y1 - 2015/6/8
N2 - The aim of this study was to select a potential microalgal strain for lipid production and to examine the suitability of anaerobically treated piggery wastewater as a nutrient source for production of lipid-rich biomass with the selected microalga. Biomass and lipid productivity of three microalgal strains (Chlorella sorokiniana CY1, Chlorella vulgaris CY5 and Chlamydomonas sp. JSC-04) were compared by using different media, nitrogen sources, and nitrogen concentrations. The highest lipid content and productivity (62.5 wt%, 162 mg/L/d) were obtained with C. vulgaris with BG-11 with 62 mg N/L. Secondly, C. vulgaris was cultivated in sterilized, diluted (1-20x), anaerobically treated piggery wastewater. Biomass production decreased and lipid content increased, when wastewater was more diluted. The highest lipid content of 54.7 wt% was obtained with 20x dilution, while the highest lipid productivity of 100.7 mg/L/d with 5x dilution. Piggery wastewater is a promising resource for mass production of oleaginous microalgal biomass.
AB - The aim of this study was to select a potential microalgal strain for lipid production and to examine the suitability of anaerobically treated piggery wastewater as a nutrient source for production of lipid-rich biomass with the selected microalga. Biomass and lipid productivity of three microalgal strains (Chlorella sorokiniana CY1, Chlorella vulgaris CY5 and Chlamydomonas sp. JSC-04) were compared by using different media, nitrogen sources, and nitrogen concentrations. The highest lipid content and productivity (62.5 wt%, 162 mg/L/d) were obtained with C. vulgaris with BG-11 with 62 mg N/L. Secondly, C. vulgaris was cultivated in sterilized, diluted (1-20x), anaerobically treated piggery wastewater. Biomass production decreased and lipid content increased, when wastewater was more diluted. The highest lipid content of 54.7 wt% was obtained with 20x dilution, while the highest lipid productivity of 100.7 mg/L/d with 5x dilution. Piggery wastewater is a promising resource for mass production of oleaginous microalgal biomass.
UR - http://www.scopus.com/inward/record.url?scp=84939188123&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84939188123&partnerID=8YFLogxK
U2 - 10.1016/j.biortech.2015.02.075
DO - 10.1016/j.biortech.2015.02.075
M3 - Article
C2 - 25746595
AN - SCOPUS:84939188123
SN - 0960-8524
VL - 191
SP - 369
EP - 376
JO - Bioresource technology
JF - Bioresource technology
ER -