Overcoming the instability of aerobic granular sludge under nitrogen deficiency through shortening settling time

Y Yin, F Liu, L Wang, J Sun - Bioresource technology, 2019 - Elsevier
This study investigated the short settling time strategy to overcome the instability of aerobic
granular sludge (AGS) under nitrogen deficiency. AGS variations in its physical and …

Effect of nitrogen deficiency on the stability of aerobic granular sludge

Y Yin, J Sun, F Liu, L Wang - Bioresource technology, 2019 - Elsevier
To assess the stability of aerobic granular sludge (AGS) under nitrogen deficiency
conditions, three sequence batch reactors were operated with chemical oxygen demand …

Low-temperature-resistance granulation of activated sludge and the microbial responses to the granular structural stabilization

C Yuan, F Sun, J Zhang, L Feng, H Tu, A Li - Chemosphere, 2023 - Elsevier
Completely loss of granular structural stability and reliable start-up of aerobic granular
sludge (AGS) system are considered as the biggest challenges for its engineering …

[PDF][PDF] Effects of carbon to nitrogen ratio on the performance and stability of aerobic granular sludge

HG Kim, JT Kim, DH Ahn - Environmental Engineering Research, 2021 - eeer.org
The purpose of this study was to assess the nutrient salts removal efficiency and stability of
the aerobic granular sludge (AGS) by change in C/N (carbon to nitrogen) ratio. The …

Strategies to improve aerobic granular sludge stability and nitrogen removal based on feeding mode and substrate

Q Yuan, H Gong, H Xi, H Xu, Z Jin, N Ali… - Journal of environmental …, 2019 - Elsevier
A systemic strategy was proposed to improve aerobic granular sludge (AGS) stability and
nitrogen (N) removal efficiency by optimizing feeding mode and substrate aiming at …

Impact of stepwisely reducing settling time on the formation and performance of aerobic granular sludge

N Ai, Z Yang, B Lou, D Yang, Q Wang, D Ou… - Journal of Water Process …, 2024 - Elsevier
The impact of gradually reducing the settling time strategy on the formation, performance,
and microbial succession of aerobic granular sludge (AGS) was investigated in a …

The formation and distinct characteristics of aerobic granular sludge with filamentous bacteria in low strength wastewater

T Song, X Zhang, J Li - Bioresource Technology, 2022 - Elsevier
In low strength wastewater, aerobic granular sludge (AGS) with filamentous bacteria is often
found and regarded as unstable AGS. However, in this study, a new view is proposed that …

Evolution of microbial community and key genera in the formation and stability of aerobic granular sludge under a high organic loading rate

H Chen, A Li, D Cui, C Cui, F Ma - Bioresource Technology Reports, 2019 - Elsevier
Aerobic granular sludge (AGS) has been frequently investigated as a novel wastewater
treatment technology. This work explored the microbial community structure during aerobic …

Enhancing robustness of aerobic granule sludge under low C/N ratios with addition of kitchen wastewater

L Wang, X Yu, W Xiong, P Li, S Wang, A Fan… - Journal of environmental …, 2020 - Elsevier
Aerobic granular sludge (AGS) is one of the most promising biotechnologies for wastewater
treatment. However, the instability of AGS at low carbon to nitrogen (C/N) ratios limited its …

Effect of different feeding strategies on performance of aerobic granular sludge: From perspective of extracellular polymeric substances and microorganisms

S Sun, Z Chen, X Wang, S Wang, L Liu, P Yan… - Journal of …, 2024 - Elsevier
Long-term structural stability of aerobic granular sludge (AGS) is a major challenge in AGS
biotechnology. This work investigated variations in the sludge performance, structural …