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Hybrid packed bed bioreactor using combined biodegradation and ozonation to enhance nitrogen and micropollutants removal from landfill leachate

Xuetong Yang, Ze Liu, Changtao Chen (UGent) , Tao Zhang (UGent) , Qintong Wang (UGent) , Rui Zhang (UGent) , Feng Duan, Xiang Tian, Mingshui Yao, Kristof Demeestere (UGent) , et al.
(2024) BIORESOURCE TECHNOLOGY. 412.
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Abstract
Landfill leachate contains ammonium and micropollutants. Ammonium can be biologically removed but biorecalcitrant micropollutants removal requires post-treatment like ozonation. This study developed an expanded clay aggregates packed biofilm column (EBC) and demonstrated its feasibility of coupling biodegradation and ozonation (CBAO) to simultaneously remove nitrogen and bio-recalcitrant micropollutants. The first 60 days only had biodegradation process to start the bioreactor. 51 % nitrogen was biologically removed but the removal of micropollutant carbamazepine (CBZ) was only 30 %. From 61 d to 150 d, both biodegradation and ozonation were performed in the EBC. After 48 h-biodegradation, ozone gas was introduced and bubbling through EBC for 30 min to further remove residual micropollutants. At 0.4 gO3/gCOD, CBZ were completely removed. The average nitrogen removal efficiency (85 %) was increased by 34 % because the increased abun- dance of nitrifying and denitrifying bacteria in EBC. This study confirmed the promising potential of the CBAO process for treating landfill leachte.
Keywords
Expanded clay aggregates, Packed biofilm reactor, Ammonium, Bio-recalcitrant micropollutants, Ozone, WASTE-WATER TREATMENT, SIMULTANEOUS NITRIFICATION, DENITRIFICATION SND, DEGRADATION, EFFICIENCY, OZONE, PERFORMANCE, OPERATION, SYSTEM, OXYGEN

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Citation

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MLA
Yang, Xuetong, et al. “Hybrid Packed Bed Bioreactor Using Combined Biodegradation and Ozonation to Enhance Nitrogen and Micropollutants Removal from Landfill Leachate.” BIORESOURCE TECHNOLOGY, vol. 412, 2024, doi:10.1016/j.biortech.2024.131413.
APA
Yang, X., Liu, Z., Chen, C., Zhang, T., Wang, Q., Zhang, R., … Van Hulle, S. (2024). Hybrid packed bed bioreactor using combined biodegradation and ozonation to enhance nitrogen and micropollutants removal from landfill leachate. BIORESOURCE TECHNOLOGY, 412. https://doi.org/10.1016/j.biortech.2024.131413
Chicago author-date
Yang, Xuetong, Ze Liu, Changtao Chen, Tao Zhang, Qintong Wang, Rui Zhang, Feng Duan, et al. 2024. “Hybrid Packed Bed Bioreactor Using Combined Biodegradation and Ozonation to Enhance Nitrogen and Micropollutants Removal from Landfill Leachate.” BIORESOURCE TECHNOLOGY 412. https://doi.org/10.1016/j.biortech.2024.131413.
Chicago author-date (all authors)
Yang, Xuetong, Ze Liu, Changtao Chen, Tao Zhang, Qintong Wang, Rui Zhang, Feng Duan, Xiang Tian, Mingshui Yao, Kristof Demeestere, and Stijn Van Hulle. 2024. “Hybrid Packed Bed Bioreactor Using Combined Biodegradation and Ozonation to Enhance Nitrogen and Micropollutants Removal from Landfill Leachate.” BIORESOURCE TECHNOLOGY 412. doi:10.1016/j.biortech.2024.131413.
Vancouver
1.
Yang X, Liu Z, Chen C, Zhang T, Wang Q, Zhang R, et al. Hybrid packed bed bioreactor using combined biodegradation and ozonation to enhance nitrogen and micropollutants removal from landfill leachate. BIORESOURCE TECHNOLOGY. 2024;412.
IEEE
[1]
X. Yang et al., “Hybrid packed bed bioreactor using combined biodegradation and ozonation to enhance nitrogen and micropollutants removal from landfill leachate,” BIORESOURCE TECHNOLOGY, vol. 412, 2024.
@article{01J84HQ1SG3HBHEN2ZG0FKXRF1,
  abstract     = {{Landfill leachate contains ammonium and micropollutants. Ammonium can be biologically removed but biorecalcitrant micropollutants removal requires post-treatment like ozonation. This study developed an expanded clay aggregates packed biofilm column (EBC) and demonstrated its feasibility of coupling biodegradation and ozonation (CBAO) to simultaneously remove nitrogen and bio-recalcitrant micropollutants. The first 60 days only had biodegradation process to start the bioreactor. 51 % nitrogen was biologically removed but the removal of micropollutant carbamazepine (CBZ) was only 30 %. From 61 d to 150 d, both biodegradation and ozonation were performed in the EBC. After 48 h-biodegradation, ozone gas was introduced and bubbling through EBC for 30 min to further remove residual micropollutants. At 0.4 gO3/gCOD, CBZ were completely removed. The average nitrogen removal efficiency (85 %) was increased by 34 % because the increased abun- dance of nitrifying and denitrifying bacteria in EBC. This study confirmed the promising potential of the CBAO process for treating landfill leachte.}},
  articleno    = {{131413}},
  author       = {{Yang, Xuetong and Liu, Ze and Chen, Changtao and Zhang, Tao and Wang, Qintong and Zhang, Rui and Duan, Feng and Tian, Xiang and Yao, Mingshui and Demeestere, Kristof and Van Hulle, Stijn}},
  issn         = {{0960-8524}},
  journal      = {{BIORESOURCE TECHNOLOGY}},
  keywords     = {{Expanded clay aggregates,Packed biofilm reactor,Ammonium,Bio-recalcitrant micropollutants,Ozone,WASTE-WATER TREATMENT,SIMULTANEOUS NITRIFICATION,DENITRIFICATION SND,DEGRADATION,EFFICIENCY,OZONE,PERFORMANCE,OPERATION,SYSTEM,OXYGEN}},
  language     = {{eng}},
  pages        = {{10}},
  title        = {{Hybrid packed bed bioreactor using combined biodegradation and ozonation to enhance nitrogen and micropollutants removal from landfill leachate}},
  url          = {{http://doi.org/10.1016/j.biortech.2024.131413}},
  volume       = {{412}},
  year         = {{2024}},
}
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