Integrating conventional nitrogen removal with anammox in wastewater treatment systems: Microbial metabolism, sustainability and challenges

Hussein Al-Hazmi; Gamal K.hassan; Mojtaba Maktabifard; Dominika Derwis; Joanna Majtacz; Jacek Mąkinia

doi:10.1016/j.envres.2022.114432

Integrating conventional nitrogen removal with anammox in wastewater treatment systems: Microbial metabolism, sustainability and challenges

Abstrakt

The various forms of nitrogen (N), including ammonium (NH4+), nitrite (NO2−), and nitrate (NO3−), present in wastewaters can create critical biotic stress and can lead to hazardous phenomena that cause imbalances in biological diversity. Thus, biological nitrogen removal (BNR) from wastewaters is considered to be imperatively urgent. Therefore, anammox-based systems, i.e. partial nitrification and anaerobic ammonium oxidation (PN/anammox) and partial denitrification and anammox (PD/anammox) have been universally acknowledged to consider as alternatives, promising and cost-effective technologies for sustainable N removal from wastewaters compared to nitrification-denitrification processes. This review comprehensively presents and discusses the latest advances in BNR technologies, including traditional nitrification-denitrification and anammox-based systems. To a deep understanding of a better-controlled combining anammox with traditional processes, the microbial community diversity and metabolism, as well as, biomass morphological characteristics were clearly reviewed in the anammox-based systems. Explaining simultaneous microbial competition and control of crucial operation parameters in single-stage anammox-based processes in terms of optimization and economic benefits makes this contribution a different vision from available review papers. The most important sustainability indicators, including global warming potential (GWP), carbon footprint (CF) and energy behaviours were explored to evaluate the sustainability of BNR processes in wastewater treatment. Additionally, the challenges and solutions for BNR processes are extensively discussed. In summary, this review helps facilitate a critical understanding of N removal technologies. It is confirmed that sustainability and saving energy would be achieved by anammox-based systems, thereby could be encouraged future outcomes for a sustainable N removal economy.

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Autorzy (6)

Hussein Al-Hazmi dr inż.
Gamal K.hassan PhD
- National Research Centre
Mojtaba Maktabifard mgr inż.
Dominika Derwis mgr inż.
Joanna Majtacz dr inż.
Jacek Mąkinia prof. dr hab. inż.

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Słowa kluczowe

N REMOVALNITRIFICATIONDENITRIFICATIONANAMMOX-BASED SYSTEMSSUSTAINABILITYCHALLENGES

Informacje szczegółowe

Kategoria:

Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

ENVIRONMENTAL RESEARCH nr 215,
ISSN: 0013-9351

Język:

angielski

Rok wydania:

2022

Opis bibliograficzny:

Al-Hazmi H., K.hassan G., Maktabifard M., Derwis D., Majtacz J., Mąkinia J.: Integrating conventional nitrogen removal with anammox in wastewater treatment systems: Microbial metabolism, sustainability and challenges// ENVIRONMENTAL RESEARCH -Vol. 215,iss. Part 3 (2022), s.114432-

DOI: