Uncatalyzed direct biodiesel production from wet microalgae under subcritical conditions

Charles Felix, Aristotle Ubando, Cynthia Madrazo, Alvin Culaba, Alchris Woo Go, Sylviana Sutanto, Yi Hsu Ju, Phuong Lan Tran-Nguyen, Jo Shu Chang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Microalgae are one of the most promising feedstocks for the production of biodiesel. However, the conventional production of biodiesel from microalgae requires the biomass to have minimum water content after cultivation. The subsequent costs and energy consumption in the dewatering and oil extraction phases make them less attractive compared to their fossil-based fuel counterparts. A direct or in situ transesterification technique which can generate biodiesel without the need for extraction and possibly the drying process is now being investigated as a response to those issues. In an effort to further increase product yields, the process can be subjected under subcritical conditions to make it less sensitive to the moisture and free fatty acid content of the biomass and to eliminate the use of certain catalysts. The effects of three variables directly affecting the biodiesel yield under this condition were investigated. These are temperature, time, and solvent concentration. The optimum settings for each independent variable which produce the maximum biodiesel yield were also determined and validated accordingly.

Original languageEnglish
Title of host publicationHNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-5
Number of pages5
ISBN (Electronic)9781538609101
DOIs
Publication statusPublished - 2017 Jul 2
Event9th IEEE International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management, HNICEM 2017 - Manila, Philippines
Duration: 2017 Nov 292017 Dec 1

Publication series

NameHNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management
Volume2018-January

Other

Other9th IEEE International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management, HNICEM 2017
CountryPhilippines
CityManila
Period17-11-2917-12-01

Fingerprint

Biomass
Biodiesel
Water Content
Drying
biomass
Moisture
Fatty Acids
dewatering
Catalyst
Energy Consumption
Eliminate
fatty acid
catalyst
water content
moisture
fossil
Costs
cost
Transesterification
Dewatering

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Computer Science Applications
  • Human-Computer Interaction
  • Information Systems
  • Control and Optimization
  • Artificial Intelligence
  • Ecological Modelling
  • Management, Monitoring, Policy and Law

Cite this

Felix, C., Ubando, A., Madrazo, C., Culaba, A., Go, A. W., Sutanto, S., ... Chang, J. S. (2017). Uncatalyzed direct biodiesel production from wet microalgae under subcritical conditions. In HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (pp. 1-5). (HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management; Vol. 2018-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/HNICEM.2017.8269551
Felix, Charles ; Ubando, Aristotle ; Madrazo, Cynthia ; Culaba, Alvin ; Go, Alchris Woo ; Sutanto, Sylviana ; Ju, Yi Hsu ; Tran-Nguyen, Phuong Lan ; Chang, Jo Shu. / Uncatalyzed direct biodiesel production from wet microalgae under subcritical conditions. HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 1-5 (HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management).
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Felix, C, Ubando, A, Madrazo, C, Culaba, A, Go, AW, Sutanto, S, Ju, YH, Tran-Nguyen, PL & Chang, JS 2017, Uncatalyzed direct biodiesel production from wet microalgae under subcritical conditions. in HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management. HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management, vol. 2018-January, Institute of Electrical and Electronics Engineers Inc., pp. 1-5, 9th IEEE International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management, HNICEM 2017, Manila, Philippines, 17-11-29. https://doi.org/10.1109/HNICEM.2017.8269551

Uncatalyzed direct biodiesel production from wet microalgae under subcritical conditions. / Felix, Charles; Ubando, Aristotle; Madrazo, Cynthia; Culaba, Alvin; Go, Alchris Woo; Sutanto, Sylviana; Ju, Yi Hsu; Tran-Nguyen, Phuong Lan; Chang, Jo Shu.

HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1-5 (HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management; Vol. 2018-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AU - Ubando, Aristotle

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AU - Culaba, Alvin

AU - Go, Alchris Woo

AU - Sutanto, Sylviana

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AU - Tran-Nguyen, Phuong Lan

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AB - Microalgae are one of the most promising feedstocks for the production of biodiesel. However, the conventional production of biodiesel from microalgae requires the biomass to have minimum water content after cultivation. The subsequent costs and energy consumption in the dewatering and oil extraction phases make them less attractive compared to their fossil-based fuel counterparts. A direct or in situ transesterification technique which can generate biodiesel without the need for extraction and possibly the drying process is now being investigated as a response to those issues. In an effort to further increase product yields, the process can be subjected under subcritical conditions to make it less sensitive to the moisture and free fatty acid content of the biomass and to eliminate the use of certain catalysts. The effects of three variables directly affecting the biodiesel yield under this condition were investigated. These are temperature, time, and solvent concentration. The optimum settings for each independent variable which produce the maximum biodiesel yield were also determined and validated accordingly.

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M3 - Conference contribution

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PB - Institute of Electrical and Electronics Engineers Inc.

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Felix C, Ubando A, Madrazo C, Culaba A, Go AW, Sutanto S et al. Uncatalyzed direct biodiesel production from wet microalgae under subcritical conditions. In HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management. Institute of Electrical and Electronics Engineers Inc. 2017. p. 1-5. (HNICEM 2017 - 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management). https://doi.org/10.1109/HNICEM.2017.8269551