Recent progress in integrated fixed-film activated sludge process for wastewater treatment: A review

S Waqas, MR Bilad, Z Man, Y Wibisono, J Jaafar… - Journal of environmental …, 2020 - Elsevier
Integrated fixed-film activated sludge (IFAS) process is considered as one of the leading-
edge processes that provides a sustainable solution for wastewater treatment. IFAS was …

[HTML][HTML] Effect of operating parameters on the performance of integrated fixed-film activated sludge for wastewater treatment

S Waqas, NY Harun, NS Sambudi, KJ Abioye… - Membranes, 2023 - mdpi.com
Integrated fixed-film activated sludge (IFAS) is a hybrid wastewater treatment process that
combines suspended and attached growth. The current review provides an overview of the …

Spectroscopic characterization of extracellular polymeric substances from a mixed culture dominated by ammonia-oxidizing bacteria

C Yin, F Meng, GH Chen - Water research, 2015 - Elsevier
Extracellular polymeric substances (EPS) of aerobic (AerAOB) and anaerobic ammonium-
oxidizing bacteria (AnAOB) are expected to have a significant impact on the performance of …

Modeling and optimization of activated sludge bulking for a real wastewater treatment plant using hybrid artificial neural networks-genetic algorithm approach

M Bagheri, SA Mirbagheri, Z Bagheri… - Process Safety and …, 2015 - Elsevier
Prediction of sludge bulking is a matter of growing importance around the world. Sludge
volume index (SVI) should be monitored to predict sludge bulking for a wastewater treatment …

Light-introduced partial nitrification in an algal-bacterial granular sludge bioreactor: Performance evolution and microbial community shift

G Si, B Liu, Y Liu, T Yan, D Wei - Bioresource Technology, 2022 - Elsevier
This objective of study was to evaluate the influence of light on the achievement of partial
nitrification algal-bacterial granular bioreactor and its related nitrite accumulation …

Structural, physicochemical and microbial properties of flocs and biofilms in integrated fixed-film activated sludge (IFFAS) systems

B Mahendran, L Lishman, SN Liss - Water Research, 2012 - Elsevier
Integrated fixed-film activated sludge systems (IFFAS) may achieve year-round nitrification
or gain additional treatment capacity due to the presence of both flocs and biofilms, and the …

Wastewater ammonia removal using an integrated fixed-film activated sludge-sequencing batch biofilm reactor (IFAS-SBR): Comparison of suspended flocs and …

Y Shao, Y Shi, A Mohammed, Y Liu - International Biodeterioration & …, 2017 - Elsevier
Integrated fixed-film activated sludge (IFAS) that combines the activated sludge (suspended
flocs) and attached biofilm has been applied in municipal wastewater treatment to promote …

Nitrogen removal efficiencies and microbial communities in full-scale IFAS and MBBR municipal wastewater treatment plants at high COD: N ratio

S Phanwilai, N Kangwannarakul, P Noophan… - … Science & Engineering, 2020 - Springer
The relative locations of AOB, NOB, and DNB were examined for three different kinds of
carriers in two types of hybrid biofilm process configurations: integrated fixed-film activated …

Bacterial community composition and diversity of a full-scale integrated fixed-film activated sludge system as investigated by pyrosequencing

SD Kwon, TS Kim, GH Yu, JH Jung… - Journal of microbiology …, 2010 - koreascience.kr
The integrated fixed-film activated sludge (IFAS) system is a variation of the activated sludge
wastewater treatment process, in which hybrid suspended and attached biomass is used to …

Transboundary intercellular communications between Penicillium and bacterial communities during sludge bulking: Inspirations on quenching fungal dominance

Z Feng, X Lu, C Chen, Y Huo, D Zhou - Water Research, 2022 - Elsevier
Fungal bulking is caused by the evolution toward a fungi-dominant unbalanced sludge
system, which is indeed the phenomenon of fungi competing against bacterial cells. We …