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Technical Papers
Nov 8, 2023

Treatment of Landfill Nanofiltration Concentrated Leachate by Flocculation Combined with a Multistage Ozone/Bioreactor Based on a Field Scale

Authors: Qing Wang and Yanjuan He [email protected]Author Affiliations
Publication: Journal of Environmental Engineering
Volume 150, Issue 1
https://doi.org/10.1061/JOEEDU.EEENG-7468
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Abstract

Nanofiltration concentrated leachate (NFCL) is a high-concentration organic wastewater produced from landfill leachate during the process of membrane advanced treatment, which is more difficult to treat than landfill leachate. In this study, the effect and cost of treating NFCL by flocculation combined with a multistage ozone/bioreactor process based on a field scale are discussed. The results show that the process has a good effect on the removal of organic matter and nitrogen pollutants in NFCL, with removal efficiencies of chemical oxygen demand, ammonia nitrogen, nitrate, and total nitrogen being 96.6%, 90.1%, 38.2%, and 75.8%, respectively. The effluent can meet the discharge standard of China’s standard with a direct operating cost of approximately USD 18.48–20.82/m3. This study proved the effectiveness, structural rationality, and economic benefit of the process in a practical engineering application, and provided a certain theoretical basis and engineering reference for the wide application of the process in the treatment of leachate membrane concentrate.

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Data Availability Statement

The data that support the findings of this study are available upon reasonable request from the corresponding author.

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Information & Authors

Information

Published In

Go to Journal of Environmental Engineering
Journal of Environmental Engineering
Volume 150 • Issue 1 • January 2024

Copyright

© 2023 American Society of Civil Engineers.

History

Received: Jun 9, 2023
Accepted: Sep 18, 2023
Published online: Nov 8, 2023
Published in print: Jan 1, 2024
Discussion open until: Apr 8, 2024

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ASCE Technical Topics:

  1. Chemical compounds
  2. Chemical elements
  3. Chemical processes
  4. Chemicals
  5. Chemistry
  6. Engineering fundamentals
  7. Environmental engineering
  8. Field tests
  9. Flocculation
  10. Landfills
  11. Leachates
  12. Material mechanics
  13. Materials engineering
  14. Membranes
  15. Nanomechanics
  16. Nitrogen
  17. Nutrient pollution
  18. Pollution
  19. Structural engineering
  20. Structural members
  21. Structural systems
  22. Tests (by type)
  23. Waste management
  24. Waste sites
  25. Waste treatment
  26. Water pollution

Authors

Affiliations

Qing Wang
Director, Xingrong Renewable Energy Co., Ltd., No. 57 Dong Qiachang St., Jinjiang District, Chengdu 610000, China.
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Yanjuan He [email protected]
Director, Sichuan Solid Waste and Chemicals Management Center, No. 57 Yingtong St., Jinniu District, Chengdu 610036, China (corresponding author). Email: [email protected]
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