Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation

Polycarpos Polycarpou

doi:doi:10.11648/j.ijepe.20190806.12

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Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation

Polycarpos Polycarpou

Published in International Journal of Energy and Power Engineering (Volume 8, Issue 6)

Received: 23 October 2019 Accepted: 14 November 2019 Published: 6 December 2019

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Abstract

Within the blue biotechnology, the cultivation of microalgae has an important role. Aimed is the production of valuable bio products, including biofuels. Microalgae can be cultivated in open raceway ponds or in different types of photobioreactors (PBRs). Besides their higher investment costs, PBRs are gaining more importance due to the possibilities they offer for controlling the production parameters like, light, pH, Nutrients, CO₂ supply, etc. This study presents the influence of temperature control on the operating cost of a culture in a flat-panel airlift photobioreactor, based on a simulation model. The data used are those of a coastal range in Cyprus, at Zygi, with mild climate, requiring heating in Winter and cooling in the Summer. Microalgae grow optimally between 20°C and 24°C, but choosing the right set temperatures for Winter and Summer plays an important role in the economy of the system. The most energy saving option seems to be that of a stepwise set-temperature control, with a temperature varying in steps between 19 and 24°C that are considered to be economic acceptable minimum and maximum values. For the estimation of the yearly fuel consumption of the PBR a new term, the Burner ON Ratio was introduced.

Published in	International Journal of Energy and Power Engineering (Volume 8, Issue 6)
DOI	10.11648/j.ijepe.20190806.12
Page(s)	79-87
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Microalgae Cultivation, Photobioreactor, Biofuels, Temperature Control of Photobioreactors, Burner on Ratio

References

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APA Style

Polycarpos Polycarpou. (2019). Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation. International Journal of Energy and Power Engineering, 8(6), 79-87. https://doi.org/10.11648/j.ijepe.20190806.12

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ACS Style

Polycarpos Polycarpou. Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation. Int. J. Energy Power Eng. 2019, 8(6), 79-87. doi: 10.11648/j.ijepe.20190806.12

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AMA Style

Polycarpos Polycarpou. Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation. Int J Energy Power Eng. 2019;8(6):79-87. doi: 10.11648/j.ijepe.20190806.12

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@article{10.11648/j.ijepe.20190806.12,
  author = {Polycarpos Polycarpou},
  title = {Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation},
  journal = {International Journal of Energy and Power Engineering},
  volume = {8},
  number = {6},
  pages = {79-87},
  doi = {10.11648/j.ijepe.20190806.12},
  url = {https://doi.org/10.11648/j.ijepe.20190806.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20190806.12},
  abstract = {Within the blue biotechnology, the cultivation of microalgae has an important role. Aimed is the production of valuable bio products, including biofuels. Microalgae can be cultivated in open raceway ponds or in different types of photobioreactors (PBRs). Besides their higher investment costs, PBRs are gaining more importance due to the possibilities they offer for controlling the production parameters like, light, pH, Nutrients, CO2 supply, etc. This study presents the influence of temperature control on the operating cost of a culture in a flat-panel airlift photobioreactor, based on a simulation model. The data used are those of a coastal range in Cyprus, at Zygi, with mild climate, requiring heating in Winter and cooling in the Summer. Microalgae grow optimally between 20°C and 24°C, but choosing the right set temperatures for Winter and Summer plays an important role in the economy of the system. The most energy saving option seems to be that of a stepwise set-temperature control, with a temperature varying in steps between 19 and 24°C that are considered to be economic acceptable minimum and maximum values. For the estimation of the yearly fuel consumption of the PBR a new term, the Burner ON Ratio was introduced.},
 year = {2019}
}

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TY  - JOUR
T1  - Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation
AU  - Polycarpos Polycarpou
Y1  - 2019/12/06
PY  - 2019
N1  - https://doi.org/10.11648/j.ijepe.20190806.12
DO  - 10.11648/j.ijepe.20190806.12
T2  - International Journal of Energy and Power Engineering
JF  - International Journal of Energy and Power Engineering
JO  - International Journal of Energy and Power Engineering
SP  - 79
EP  - 87
PB  - Science Publishing Group
SN  - 2326-960X
UR  - https://doi.org/10.11648/j.ijepe.20190806.12
AB  - Within the blue biotechnology, the cultivation of microalgae has an important role. Aimed is the production of valuable bio products, including biofuels. Microalgae can be cultivated in open raceway ponds or in different types of photobioreactors (PBRs). Besides their higher investment costs, PBRs are gaining more importance due to the possibilities they offer for controlling the production parameters like, light, pH, Nutrients, CO2 supply, etc. This study presents the influence of temperature control on the operating cost of a culture in a flat-panel airlift photobioreactor, based on a simulation model. The data used are those of a coastal range in Cyprus, at Zygi, with mild climate, requiring heating in Winter and cooling in the Summer. Microalgae grow optimally between 20°C and 24°C, but choosing the right set temperatures for Winter and Summer plays an important role in the economy of the system. The most energy saving option seems to be that of a stepwise set-temperature control, with a temperature varying in steps between 19 and 24°C that are considered to be economic acceptable minimum and maximum values. For the estimation of the yearly fuel consumption of the PBR a new term, the Burner ON Ratio was introduced.
VL  - 8
IS  - 6
ER  -

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Author Information

Polycarpos Polycarpou

Agricultural Research Institute, Production Division, Nicosia, Cyprus

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APA Style

Polycarpos Polycarpou. (2019). Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation. International Journal of Energy and Power Engineering, 8(6), 79-87. https://doi.org/10.11648/j.ijepe.20190806.12

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ACS Style

Polycarpos Polycarpou. Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation. Int. J. Energy Power Eng. 2019, 8(6), 79-87. doi: 10.11648/j.ijepe.20190806.12

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AMA Style

Polycarpos Polycarpou. Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation. Int J Energy Power Eng. 2019;8(6):79-87. doi: 10.11648/j.ijepe.20190806.12

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@article{10.11648/j.ijepe.20190806.12,
  author = {Polycarpos Polycarpou},
  title = {Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation},
  journal = {International Journal of Energy and Power Engineering},
  volume = {8},
  number = {6},
  pages = {79-87},
  doi = {10.11648/j.ijepe.20190806.12},
  url = {https://doi.org/10.11648/j.ijepe.20190806.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20190806.12},
  abstract = {Within the blue biotechnology, the cultivation of microalgae has an important role. Aimed is the production of valuable bio products, including biofuels. Microalgae can be cultivated in open raceway ponds or in different types of photobioreactors (PBRs). Besides their higher investment costs, PBRs are gaining more importance due to the possibilities they offer for controlling the production parameters like, light, pH, Nutrients, CO2 supply, etc. This study presents the influence of temperature control on the operating cost of a culture in a flat-panel airlift photobioreactor, based on a simulation model. The data used are those of a coastal range in Cyprus, at Zygi, with mild climate, requiring heating in Winter and cooling in the Summer. Microalgae grow optimally between 20°C and 24°C, but choosing the right set temperatures for Winter and Summer plays an important role in the economy of the system. The most energy saving option seems to be that of a stepwise set-temperature control, with a temperature varying in steps between 19 and 24°C that are considered to be economic acceptable minimum and maximum values. For the estimation of the yearly fuel consumption of the PBR a new term, the Burner ON Ratio was introduced.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation
AU  - Polycarpos Polycarpou
Y1  - 2019/12/06
PY  - 2019
N1  - https://doi.org/10.11648/j.ijepe.20190806.12
DO  - 10.11648/j.ijepe.20190806.12
T2  - International Journal of Energy and Power Engineering
JF  - International Journal of Energy and Power Engineering
JO  - International Journal of Energy and Power Engineering
SP  - 79
EP  - 87
PB  - Science Publishing Group
SN  - 2326-960X
UR  - https://doi.org/10.11648/j.ijepe.20190806.12
AB  - Within the blue biotechnology, the cultivation of microalgae has an important role. Aimed is the production of valuable bio products, including biofuels. Microalgae can be cultivated in open raceway ponds or in different types of photobioreactors (PBRs). Besides their higher investment costs, PBRs are gaining more importance due to the possibilities they offer for controlling the production parameters like, light, pH, Nutrients, CO2 supply, etc. This study presents the influence of temperature control on the operating cost of a culture in a flat-panel airlift photobioreactor, based on a simulation model. The data used are those of a coastal range in Cyprus, at Zygi, with mild climate, requiring heating in Winter and cooling in the Summer. Microalgae grow optimally between 20°C and 24°C, but choosing the right set temperatures for Winter and Summer plays an important role in the economy of the system. The most energy saving option seems to be that of a stepwise set-temperature control, with a temperature varying in steps between 19 and 24°C that are considered to be economic acceptable minimum and maximum values. For the estimation of the yearly fuel consumption of the PBR a new term, the Burner ON Ratio was introduced.
VL  - 8
IS  - 6
ER  -

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