Fabrication of Porous Biochip Carrier Based on HDPE with Microbial Compatibility for Domestic Wastewater Treatment Using MBBR Technology
Main Article Content
Abstract
This study presents the development of a porous HDPE/PEO-based biochip carrier enhanced with maleic anhydride-grafted polyethylene (PEgMA) for domestic wastewater treatment using Moving Bed Biofilm Reactor (MBBR) technology. The incorporation of hydrophilic PEO and PEgMA improved microbial compatibility by enhancing hydrophilicity and surface interaction. The optimized carrier achieved a density of 0.61 g/cm³, 40.48% porosity, and pore sizes ranging from 50–500 µm. After 8 weeks of operation at Hung Yen Eye Hospital, the system achieved 99.8% ammonium removal and met national discharge standards
(QCVN 14:2008/BTNMT). The study confirms the potential of HDPE/PEgMA/PEO carriers as high-efficiency, scalable solutions for sustainable domestic wastewater treatment using MBBR systems.
Keywords:
Biochip, wastewater treatment materials, HDPE/PEO media, MBBR.
References
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[4] B. Rusten, B. Eikebrokk, Y. Ulgenes, E. Lygren, Design and Operations of the Kaldnes Moving Bed Biofilm Reactors, Aquac. Eng., Vol. 34, 2006, pp. 322-331.
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[6] I. D. Manariotis, S. G. Grigoropoulos, Anaerobic Filter Treatment of Municipal Wastewater: Biosolids Behavior, J. Environ. Eng.-ASCE, Vol. 132, 2006, pp. 23-31.
[7] L. S. Zhang, W. Z. Wu, J. L. Wang, Immobilization of Activated Sludge Using Improved Polyvinyl Alcohol (PVA) Gel, J. Environ. Sci., Vol. 19, 2007, pp. 1293-1297.
[8] M. X. Loukidou, A. I. Zouboulis, Comparison of Two Biological Treatment Processes Using Attached-Growth Biomass for Sanitary Landfill Leachate Treatment, Environ, Pollut., Vol. 111, 2001, pp. 273-281.
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[10] A. Aygun, B. Nas, A. Berktay, Influence of High Organic Loading Rates on COD Removal and Sludge Production in Moving Bed Biofilm Reactor, Environ. Eng. Sci., Vol. 25, 2008, pp. 1311-1316.
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[13] M. Levstek, I. Plazl, J. D. Rouse, Estimation of the Specific Surface Area for a Porous Carrier, Acta Chim. Slov., Vol. 57, 2010, pp. 45-51.
[14] A. Mašić, J. Bengtsson, M. Christensson, Measuring and Modeling the Oxygen Profile in a Nitrifying Moving Bed Biofilm Reactor, Mathematical Biosciences, Vol. 227, 2010, pp. 1-11.
[15] D. Klempner, K. C. Frisch, Handbook of Polymeric Foams and Foam Technology, Hanser, New York, 1991.
[16] Y. L. Huang, Q. B. Li, X. Deng, Y. H. Lu, X. K. Liao, M. Y. Hong, Y. Wang, Aerobic and Anaerobic Biodegradation of Polyethylene Glycols Using Sludge Microbes, Process Biochem., Vol. 40, No. 1, 2005, pp. 207-211, https://doi.org/10.1016/j.procbio.2003.12.004.
[17] G. M. Gutenberger, O. M. Holgate, W. A. Arnold, J. S. Guest, P. J. Novak, Polyethylene Glycol as a Robust, Biocompatible Encapsulant for Two-Stage Treatment of Food and Beverage Wastewater, Environ. Sci.: Water Res. Technol., Vol. 2, No. 2, 2024, https://doi.org/10.1039/D3EW00633F.
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[19] S. G. Prasad, C. Lal, K. R. Sahu, A. Saha, U. De, Spectroscopic Investigation of Degradation Reaction Mechanism in γ-Rays Irradiation of HDPE, Biointerface Res. Appl. Chem., Vol. 11, No. 2, 2021, pp. 9405-9419,
https://doi.org/10.33263/BRIAC112.94059419.
[20] X. He, L. Wang, K. Lv, W. Li, S. Qin, Z. Tang, Polyethylene Oxide Assisted Fish Collagen-Poly ε-Caprolactone Nanofiber Membranes by Electrospinning, Nanomaterials, Vol. 12, No. 6, 2022, pp. 900,
https://doi.org/10.3390/nano12060900.