Lipid for biodiesel production from attached growth Chlorella vulgaris biomass cultivating in fluidized bed bioreactor packed with polyurethane foam material
The potential to grow attached microalgae Chlorella vulgaris in fluidized bed bioreactor was materialized in this study, targeting to ease the harvesting process prior to biodiesel production. The proposed thermodynamic mechanism and physical property assessment of various support materials verified...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Published: |
Elsevier Ltd
2017
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| Online Access: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019111094&doi=10.1016%2fj.biortech.2017.04.118&partnerID=40&md5=c9bf88e6af67e8d0722e4007ae86d3c3 http://eprints.utp.edu.my/19790/ |
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| Summary: | The potential to grow attached microalgae Chlorella vulgaris in fluidized bed bioreactor was materialized in this study, targeting to ease the harvesting process prior to biodiesel production. The proposed thermodynamic mechanism and physical property assessment of various support materials verified polyurethane to be suitable material favouring the spontaneous adhesion by microalgae cells. The 1-L bioreactor packed with only 2.4 (v/v) of 1.00-mL polyurethane foam cubes could achieve the highest attached growth microalgae biomass and lipid weights of 812 ± 122 and 376 ± 37 mg, respectively, in comparison with other cube sizes. The maturity of attached growth microalgae biomass for harvesting could also be determined from the growth trend of suspended microalgae biomass. Analysis of FAME composition revealed that the harvested microalgae biomass was dominated by C16-C18 (>60) and mixture of saturated and mono-unsaturated fatty acids (>65), satiating the biodiesel standard with adequate cold flow property and oxidative stability. © 2017 Elsevier Ltd |
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