The effect of activated sludge treatment and catalytic ozonation on high concentration of ammonia nitrogen removal from landfill leachate

Y Yuan, J Liu, B Gao, M Sillanpää, S Al-Farraj - Bioresource Technology, 2022 - Elsevier
This study adopted the combination of activated sludge treatment and catalytic ozonation
technology to efficiently remove the high concentration of ammonia nitrogen from landfill …

Low C/N promotes stable partial nitrification by enhancing the cooperation of functional microorganisms in treating high-strength ammonium landfill leachate

Q Cao, Y Chen, X Li, C Li, X Li - Journal of Environmental Management, 2023 - Elsevier
Partial nitrification is an effective process for treating high-strength ammonium landfill
leachate with low C/N ratio, for the cooperation with denitrification can save almost 40 …

Diatomite powder carrier improved nitrogen and phosphorus removal from real municipal wastewater: Insights into micro-granule formation and enhancement …

H Wang, Y Chen, X Liu, H Xu, D Yang, Y Hua… - Chemical Engineering …, 2024 - Elsevier
With increasingly stringent standards for wastewater discharge, the need to upgrade the
wastewater treatment process is urgent. This study established a novel wastewater …

Domestication and pilot-scale culture of mixed bacteria HY-1 capable of heterotrophic nitrification-aerobic denitrification

P Chen, T Zhai, L Zhang, T Zhao, Z Xing, H Liu - Bioresource Technology, 2023 - Elsevier
To further investigate the potential of heterotrophic nitrification-aerobic denitrification (HN-
AD) bacteria for practical applications, the HN-AD mixed bacteria HY-1 were enriched and …

Sulfur transformation and bacterial community dynamics in both desulfurization-denitrification biofilm and suspended activated sludge

W Li, Y Zhen, N Li, H Wang, M Lin, X Sui, W Zhao… - Bioresource …, 2022 - Elsevier
Abstract Types of microbial aggregates have essential effects on bacterial communities'
characteristics, thus affecting the pollutants removal. An up-flow biofilm reactor was used to …

Optimizing total ammonia–nitrogen concentration for enhanced microbial fuel cell performance in landfill leachate treatment: a bibliometric analysis and future …

A Ishaq, MIM Said, SB Azman, MF Abdulwahab… - … Science and Pollution …, 2023 - Springer
Untreated landfill leachate can harm the environment and human health due to its organic
debris, heavy metals, and nitrogen molecules like ammonia. Microbial fuel cells (MFCs) …

Limited dissolved oxygen facilitated nitrogen removal at biocathode during the hydrogenotrophic denitrification process using bioelectrochemical system

Z Kong, H Wang, G Yan, Q Yan, JR Kim - Bioresource Technology, 2023 - Elsevier
Abstract Effects of limited dissolved oxygen (DO) on hydrogenotrophic denitrification at
biocathode was investigated using bioelectrochemical system. It was found that total …

Characterization of Achromobacter denitrificans QHR-5 for heterotrophic nitrification-aerobic denitrification with iron oxidation function isolated from BSIS: Nitrogen …

H Mu, W Li, K Hu, H Zhu, S Ren, Y Peng, S Hei… - Biochemical …, 2023 - Elsevier
Strain QHR-5, a heterotrophic nitrification-aerobic denitrification bacterium (HNADB) with
iron oxidation function, was isolated from biological sponge iron system (BSIS) and …

Understanding the effect of residual aluminum salt coagulant on activated sludge in sequencing batch reactor: Performance response, activity restoration and …

J He, Q Zhang, B Tan, N Guo, H Peng, J Feng… - Environmental …, 2022 - Elsevier
To investigate the effect of residual coagulant after coagulation pretreatment on activated
sludge system of wastewater treatment plants (WWTPs), comparative evaluation of lab-scale …

MBBR start-up with HN-AD bacteria inoculation: Comparative analysis in simulated and real wastewater for performance, microbial characteristics, and nitrogen …

Q Zhang, S Liang, S Tan, W Chen, H Liu… - Journal of Water …, 2024 - Elsevier
Mobile bed biofilm reactor (MBBR) can effectively remove various pollutants from
wastewater. This study was the first to apply a novel pilot-scale of 3 m 3 MBBR startup with …