The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
What is the Best Biological Process for Nitrogen Removal: When and Why?
Abstract
Many different aerobic and anaerobic biological processes and treatment schemes are available for transforming organics and/or removing nitrogen from domestic wastewaters. Significant reductions in oxygen requirements and absence of a need for organics for nitrogen reduction are often indicated as advantageous for using the newer anammox organism approach for nitrogen removal rather than the traditional nitrification/denitrification method, the most common one in use today. However, treatment schemes differ, and there are some in which such suggested advantages may not hold. When nitrification/denitrification is used, an anoxic tank is now commonly used first and the nitrate formed by nitrification later is recycled back to that tank for oxidation of wastewater organics. This greatly reduces oxygen requirements and the need for adding organics. So when are such claims correct and when not? What factors in wastewater composition, regulatory requirements, and treatment flow sheet alter which treatment process is best to use? As an aid in making such judgments under different circumstances, the stoichiometry of the different biological processes involved and the different treatment approaches used were determined and compared. Advantages of each as well as imitations and potential opportunities for research to prevent them are presented.
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Cites
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Self-citation
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The roles of free ammonia (FA) in biological wastewater treatment processes: A review
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A critical review of aerobic denitrification: Insights into the intracellular electron transfer
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Efficient Low-Cost Anaerobic Treatment of Wastewater Using Biochar and Woodchip Filters
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Metadata
- Authors
- McCarty, P. L.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-03-06
- Volume
- 52
- Issue
- 7
- Pages
- 3835-3841
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2791845093
- Cited by
- 355
- References
- 16
- FWCI
- 10.71
- Type
- journal article
- Language
- en
- Open access
- closed
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