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thesis-final(3-20-2018).pdf (5.48 MB)

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Approaches for Sustainable Production of Microalgae with High Productivity and Flexible Composition

Hanifzadeh, MohammadMatin
http://orcid.org/0000-0003-1352-5538
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1521591139408701

Abstract Details

2018, Doctor of Philosophy, University of Toledo, Chemical Engineering.
We investigated the conditions for cultivating the alkaliphilic Chlorella sorokiniana str. SLA-04 that allow flexibility in biomass composition (for fuel, food and nutraceuticals) without compromising overall productivity. We performed a series of indoor and outdoor sequential batch cultivation experiments in media containing a broad range of N concentrations. Our results demonstrated that biomass with high-protein and pigment content was produced in media with high N concentrations content (desirable as food/feed) together with sustained high productivity. On the other hand, results showed that cultivation in sequential batch operation with low concentration of N resulted in biomass with low N and high lipid content that is desirable for fuel production; biomass productivities were similar in both the high- and low-N media. An alternate strategy of cultivation in media with low concentrations of micronutrients (i.e. Ca or Mg) was also studied. In batch and sequential-batch experiments, cultivations in media with low micronutrient concentrations produced biomass with enhanced starch and lipid content (relative to micronutrient-rich standard media) with a modest improvement in the biomass productivity. We also investigated the cultivation of str. SLA-04 in saline water and anaerobically digested dairy manure to improve the environmental/economic sustainability of microalgae production. In both these media, SLA-04 productivities were comparable with previous reported values for other mesophilic cultures.
Viamajala Sridhar (Committee Chair)
Lapitsky Yakov (Committee Member)
Schall Constance (Committee Member)
Relue Patricia (Committee Member)
240 p.
Chemical Engineering; Environmental Engineering

Recommended Citations

Citations

  • Hanifzadeh, M. (2018). Approaches for Sustainable Production of Microalgae with High Productivity and Flexible Composition [Doctoral dissertation, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1521591139408701

    APA Style (7th edition)

  • Hanifzadeh, MohammadMatin. Approaches for Sustainable Production of Microalgae with High Productivity and Flexible Composition. 2018. University of Toledo, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1521591139408701.

    MLA Style (8th edition)

  • Hanifzadeh, MohammadMatin. "Approaches for Sustainable Production of Microalgae with High Productivity and Flexible Composition." Doctoral dissertation, University of Toledo, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1521591139408701

    Chicago Manual of Style (17th edition)

toledo1521591139408701
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© 2018, all rights reserved.
This open access ETD is published by University of Toledo and OhioLINK.