An Integrated Fluidized Bed Bioreactor (iFBBR) by Mathematical Models

Authors

  • Rattapol Suksomboon Faculty of Engineering, Rajabhat Maha Sarakham University
  • Sutawan Tangjitjaroenkit Faculty of Engineering, Khon Kaen University
  • Chaiyan Junsiri Faculty of Engineering, Khon Kaen University

Keywords:

Integrated fluidized-bed bioreactor, Development Mathematical models, Recirculation bioreactor, Granular activated carbon (GAC), Wastewater

Abstract

This study aimed to develop integrated fluidized bed bioreactor (iFBBR). The oxidation pond and sand filter were added for more treatment efficiency of this system. The organics substance removal efficiency was developed by using mathematical models of a novel recirculation plug-flow reactor (RPFR) and recirculation completely-mixed stirred tank reactors (RCSTR). The evaluated and predicted of wastewater treatment performance was conducted by a fluidized bed bioreactor with granular activated carbon (FBBR-GAC) and oxidation pond. On-site domestic wastewater was used in this study. The developed RPFR and RCSTR model can precisely predict the effluent BOD of wastewater at the optimum rate of recirculation (R) 936, and optimum rate of the bed's stirrer speed (NB) 26 rpm. The kinetic results showed that the rate of BOD removal of wastewater used with FBBR-GAC reactors and Oxidation pond followed 2nd order kinetic models, with k2nd, RPFR and RCSTR values of 1.543 and 14.602 day-1 for treated sewage effluent, respectively. Additionally, it was found that the RPFR model and RCSTR model were more suitable for describing the behavior of the FBBR-GAC and oxidation pond system. The efficiency of BOD removal of FBBR-GAC was increased from 83.64% to 95.46% when compared with iFBBR. FBBR-GAC used the hydraulic recirculation time (HReT) of 0.0417 day. Both models are important to use for designing the waste water treatment system as constructed wetland.

Author Biographies

Rattapol Suksomboon, Faculty of Engineering, Rajabhat Maha Sarakham University

Department of Management Environmental Engineering, Faculty of Engineering, Rajabhat Maha Sarakham University, Maha Sarakham 44000, Thailand.

Sutawan Tangjitjaroenkit, Faculty of Engineering, Khon Kaen University

Department of Environmental Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002,
 Thailand.

Chaiyan Junsiri, Faculty of Engineering, Khon Kaen University

Department of Agricultural Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002,
Thailand.

References

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Rajamangala University of Technology Srivijaya Research Journal

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Published

2021-11-04

How to Cite

Suksomboon, R., Tangjitjaroenkit, S., & Junsiri, C. (2021). An Integrated Fluidized Bed Bioreactor (iFBBR) by Mathematical Models. Recent Science and Technology, 13(3), 623–636. Retrieved from https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/241834

Issue

Vol. 13 No. 3 (2021): September - December 2021

Section

Research Article

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The content and information in the article published in Journal of Rajamangala University of Technology Srivijaya It is the opinion and responsibility of the author of the article. The editorial journals do not need to agree. Or share any responsibility.