Adaptation of nitrifying community in activated sludge to free ammonia inhibition and inactivation

S Li, H Duan, Y Zhang, X Huang, Z Yuan, Y Liu… - Science of the Total …, 2020 - Elsevier
Sludge treatment using free ammonia (FA) is an innovative approach that was recently
reported effective achieving stable mainstream nitrogen removal via the nitrite pathway. This …

Achieving stable mainstream nitrogen removal via the nitrite pathway by sludge treatment using free ammonia

Q Wang, H Duan, W Wei, BJ Ni, A Laloo… - … science & technology, 2017 - ACS Publications
Biological nitrogen removal through the nitrite pathway (NH4+→ NO2–→ N2) is favorable for
wastewater treatment plants without sufficient carbon sources. This study demonstrates an …

Effect of free ammonia inhibition on NOB activity in high nitrifying performance of sludge

F Zhang, H Yang, J Wang, Z Liu, Q Guan - RSC advances, 2018 - pubs.rsc.org
The inhibition of free ammonia (FA) on nitrite-oxidizing bacteria (NOB) was investigated
using an enriched NOB community with high nitrifying performance. A continuous-flow …

Achieving nitrite accumulation in a continuous system treating low-strength domestic wastewater: switchover from batch start-up to continuous operation with process …

Y Peng, J Guo, H Horn, X Yang, S Wang - Applied Microbiology and …, 2012 - Springer
Although biological nitrogen removal via nitrite is recognized as one of the cost-effective and
sustainable biological nitrogen removal processes, nitrite accumulation has proven difficult …

Effects of free nitrous acid treatment conditions on the nitrite pathway performance in mainstream wastewater treatment

H Duan, Q Wang, DV Erler, L Ye, Z Yuan - Science of the total environment, 2018 - Elsevier
Inline sludge treatment using free nitrous acid (FNA) was recently shown to be effective in
establishing the nitrite pathway in a biological nitrogen removal system. However, the effects …

Community survey of ammonia‐oxidizing bacteria in full‐scale activated sludge processes with different solids retention time

S Hallin, P Lydmark, S Kokalj… - Journal of Applied …, 2005 - academic.oup.com
Aims: To study the effects of different solids retention time (SRT) on the nitrification activity
and community composition of ammonia‐oxidizing bacteria (AOB) in two full‐scale activated …

Achieving nitritation at low temperatures using free ammonia inhibition on Nitrobacter and real-time control in an SBR treating landfill leachate

H Sun, Y Peng, S Wang, J Ma - Journal of Environmental Sciences, 2015 - Elsevier
Free ammonia (FA) inhibition on nitrite-oxidized bacteria (NOB) and real-time control are
used to achieve nitrogen removal from landfill leachate via nitrite pathway at low …

Overcoming nitrite oxidizing bacteria adaptation through alternating sludge treatment with free nitrous acid and free ammonia

H Duan, L Ye, X Lu, Z Yuan - Environmental science & technology, 2019 - ACS Publications
Stable suppression of nitrite oxidizing bacteria (NOB) is one of the major bottlenecks for
achieving mainstream nitrite shunt or partial nitritation/anammox (PN/A). It is increasingly …

Inactivation and adaptation of ammonia-oxidizing bacteria and nitrite-oxidizing bacteria when exposed to free nitrous acid

B Ma, L Yang, Q Wang, Z Yuan, Y Wang, Y Peng - Bioresource technology, 2017 - Elsevier
Inactivation and adaptation of ammonia-oxidizing bacteria (AOB) and nitrite-oxidizing
bacteria (NOB) to free nitrous acid (FNA) was investigated. Batch test results showed that …

Performance and microbial ecology of a nitritation sequencing batch reactor treating high-strength ammonia wastewater

W Chen, X Dai, D Cao, S Wang, X Hu, W Liu, D Yang - Scientific reports, 2016 - nature.com
The partial nitrification (PN) performance and the microbial community variations were
evaluated in a sequencing batch reactor (SBR) for 172 days, with the stepwise elevation of …