OPTIMISATION OF BIOMASS, LIPID AND CARBOHYDRATE PRODUCTIVITIES IN Chlorella vulgaris FOR BIOFUEL PRODUCTION

Authors

  • Norazela Nordin ᵃDepartment of Biology, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak Darul Ridzuan, Malaysia ᵇKolej Yayasan UEM, Lembah Beringin, 44100 Kerling, Selangor, Malaysia https://orcid.org/0000-0002-5934-8162
  • Norjan Yusoff Department of Biology, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak Darul Ridzuan, Malaysia https://orcid.org/0000-0002-2482-8617
  • Syafiqah Md Nadzir Department of Biology, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak Darul Ridzuan, Malaysia
  • Azlan Kamari Department of Chemistry, Faculty of Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900, Tanjong Malim, Perak Darul Ridzuan, Malaysia https://orcid.org/0000-0002-3167-0619
  • Mohd Zulkhairi Mohd Yusoff Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia https://orcid.org/0000-0002-6787-9350

DOI:

https://doi.org/10.11113/jurnalteknologi.v84.17079

Keywords:

Chlorella vulgaris, Optimisation, Lipid, Carbohydrate, Biofuel

Abstract

Synthesis of lipid and carbohydrate in microalgae simultaneously is essential for cost-effective microalgae-based biofuel production. Statistical optimisation approaches of the Plackett–Burman design (PBD) and central composite design (CCD) were applied to optimise the biomass, lipid, and carbohydrate productivities of the C. vulgaris UPSI-JRM01. The results obtained from PBD shown that NO3- concentration, light intensity and NaHCO3 concentration were the significant factors that affecting biomass productivity. Through CCD, optimum biomass, lipid, and carbohydrate productivities were obtained at 401.81 mg/L NO3–, 11238.20 lux light intensity, and 0.30 g/L NaHCO3, achieving the highest biomass productivity of 404.24 mg/L/day, highest lipid productivity of 65.3 mg/L/day, and highest carbohydrate productivity of 165.43 mg/L/day. The major fatty acid methyl esters (FAMEs) produced were palmitic acid (33.54%) and linoleic acid (30.29%), thus producing microalgae-based biodiesel with properties complying with international biodiesel standards.

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Published

2022-01-27

Issue

Vol. 84 No. 2: March 2022

Section

Science and Engineering

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How to Cite

OPTIMISATION OF BIOMASS, LIPID AND CARBOHYDRATE PRODUCTIVITIES IN Chlorella vulgaris FOR BIOFUEL PRODUCTION. (2022). Jurnal Teknologi, 84(2), 47-57. https://doi.org/10.11113/jurnalteknologi.v84.17079