Treatment of Landfill Nanofiltration Concentrated Leachate by Flocculation Combined with a Multistage Ozone/Bioreactor Based on a Field Scale
Publication: Journal of Environmental Engineering
Volume 150, Issue 1
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 . 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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© 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
ASCE Technical Topics:
- Chemical compounds
- Chemical elements
- Chemical processes
- Chemicals
- Chemistry
- Engineering fundamentals
- Environmental engineering
- Field tests
- Flocculation
- Landfills
- Leachates
- Material mechanics
- Materials engineering
- Membranes
- Nanomechanics
- Nitrogen
- Nutrient pollution
- Pollution
- Structural engineering
- Structural members
- Structural systems
- Tests (by type)
- Waste management
- Waste sites
- Waste treatment
- Water pollution
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