Incorporation of the sulfur cycle in sustainable nitrogen removal systems - A review

Dominika Derwis; Zhixuan Yin; Joanna Majtacz; Hussein Al-Hazmi; Jacek Mąkinia

doi:10.1016/j.jclepro.2022.133495

Incorporation of the sulfur cycle in sustainable nitrogen removal systems - A review

Abstrakt

In wastewater treatment systems, sulfur (S) removal processes are generally based on heterotrophic sulfate (SO42−) reduction by sulfate reducing bacteria and S-dependent autotrophic denitrification by sulfur oxidizing bacteria. A combination of either two cycles (N and S) or three cycles (N, S and C) appears to be a viable approach to sustainable wastewater treatment, resulting in energy savings and reduction of sludge production. This review shows how the S cycle can be coupled with the other cycles in single systems for efficient N and S removal. Operating conditions, advantages, limitations and challenges of such systems are described. S removal processes are generally based on heterotrophic sulfate (SO42−) reduction by sulfate reducing bacteria and S-dependent autotrophic denitrification by sulfur oxidizing bacteria. In terms of pH and temperature, the optimum conditions are determined by the narrowest ranges for heterotrophic SO42− reduction (pH of 7–7.6, T = 28–30 °C). The combined processes allow for almost complete N removal, while the efficiency of SO42− removal can reach up to 75%. Among all the processes linking the N, S and C cycles, SANI (sulfate reduction, autotrophic denitrification and nitrification integrated) has been best recognized. Recently, the growing attention has been paid to the novel sulfammox process, which involves SO42− dependent, anaerobic ammonia oxidizing bacteria. Numerous systems have been developed to combine SO42− reduction, S-dependent autotrophic denitrification and partial nitritation/anammox processes. The coexistence of several bacterial groups and their competition for the substrates is thus a key issue to be considered. Specific inhibitors for each bacterial group also need to be recognized before full-scale implementations. Moreover, modeling the transformations of S compounds has been incorporated with respect to all the processes responsible for those transformations.

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Autorzy (5)

Dominika Derwis (dawniej: Dominika Grubba) mgr inż.
- Wydział Inżynierii Lądowej i Środowiska
- Politechnika Gdańska
Zhixuan Yin
- School of Environmental and Municipal Engineering, Qingdao University of Technology, 11 Fushun Road, Qingdao, 266033, PR China
Joanna Majtacz dr inż.
- Wydział Inżynierii Lądowej i Środowiska
- Politechnika Gdańska
Hussein Al-Hazmi (dawniej: Hussein Al- Hazmi) dr inż.
- Wydział Inżynierii Lądowej i Środowiska
- Politechnika Gdańska
Jacek Mąkinia prof. dr hab. inż.
- Wydział Inżynierii Lądowej i Środowiska
- Politechnika Gdańska

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Kategoria:

Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

JOURNAL OF CLEANER PRODUCTION nr 372,
ISSN: 0959-6526

Język:

angielski

Rok wydania:

2022

Opis bibliograficzny:

Grubba D., Yin Z., Majtacz J., Al- Hazmi H., Mąkinia J.: Incorporation of the sulfur cycle in sustainable nitrogen removal systems - A review// JOURNAL OF CLEANER PRODUCTION -Vol. 372, (2022), s.133495-

DOI: