Dosage effect of micron zero-valent iron during thermophilic anaerobic digestion of waste activated sludge: Performance and functional community

W Li, J Chen, L Pang, Y Lu, P Yang - Environmental Research, 2023 - Elsevier
This work examined the performance and microbial traits in a thermophilic anaerobic
digestion (TAD) of waste activated sludge that was impacted by micron zero valent iron …

Stronger stimulation of waste activated sludge anaerobic fermentation by a particular amount of micron-sized zero valent iron

R Guo, X Liu, Y Hu, J Li, J Chen, L Pang… - Applied Biochemistry and …, 2020 - Springer
An emerging contaminant, micron-sized zero valent iron (mZVI) has been reported to be
accumulated in waste activated sludge (WAS). In the present study, the potential effects of …

Response of sludge fermentation liquid and microbial community to nano zero-valent iron exposure in a mesophilic anaerobic digestion system

B Yu, X Huang, D Zhang, Z Lou, H Yuan, N Zhu - RSC advances, 2016 - pubs.rsc.org
The effects of nano zero-valent iron (NZVI) on sludge anaerobic digestion were investigated
from the perspective of the sludge fermentation liquor (SFL) and microbial community …

Response of hydrolysis, methanogenesis, and microbial community structure to iron dose during anaerobic digestion of food waste leachate

P Antwi, D Zhang, W Luo, FT Kabutey, J Li, H Su… - Biomass Conversion …, 2022 - Springer
Anaerobic digestion (AD) of biodegradable organics depends heavily diverse functional
genera, but an attempt to simultaneously enhance the various AD phases including the rate …

Dosing effect of zero valent iron (ZVI) on biomethanation and microbial community distribution as revealed by 16S rRNA high-throughput sequencing

P Antwi, J Li, PO Boadi, J Meng, E Shi, X Chi… - International …, 2017 - Elsevier
The effect (s) of zero-valent iron (ZVI) in anaerobic digestion and its related impact on
microbial community structure is still unclear. The effect of addition of 0, 1, 4, 10, 20 g/L ZVI …

Long-term impact of nano zero-valent iron on methanogenic activity, microbial community structure, and transcription activity in anaerobic wastewater treatment …

R Su, H Fu, L Ding, B Fu, S He, H Ma, H Hu… - Bioresource …, 2024 - Elsevier
Nano zero-valent iron (NZVI) is commonly used in industrial wastewater treatment. However,
its long-term impact mechanisms of metabolization in anaerobic systems are not well …

Comparison of enhancement of anaerobic digestion of waste activated sludge through adding nano-zero valent iron and zero valent iron

Y Wang, D Wang, H Fang - RSC advances, 2018 - pubs.rsc.org
The feasibility of adding nano-zero valent iron (NZVI: 0.6, 1.0, 4.0, 10.0 g L− 1) to enhance
anaerobic digestion of waste activated sludge (WAS) was examined by comparison with ZVI …

Nano zero-valent iron regulates the enrichment of organics-degrading and hydrogenotrophic microbes to stimulate methane bioconversion of waste activated sludge

C Niu, T Cai, X Lu, G Zhen, Y Pan, X Ren, X Qin… - Chemical Engineering …, 2021 - Elsevier
Underlying mechanism of continuous nano zero-valent iron (nZVI) supply in functional
microbes enrichment and methane bioconversion of waste activated sludge were …

In-situ methane enrichment in anaerobic digestion of food waste slurry by nano zero-valent iron: Long-term performance and microbial community succession

Y Li, Z Zhang, J Tang, W Ruan, W Shi, Z Huang… - Journal of …, 2024 - Elsevier
In this work, nano zero-valent iron (nZVI) was added to a lab-scale continuous stirring tank
reactor (CSTR) for food waste slurry treatment, and the effect of dosing rate and dosage of …

Variations of organic matters and microbial community in thermophilic anaerobic digestion of waste activated sludge with the addition of ferric salts

B Yu, Z Lou, D Zhang, A Shan, H Yuan, N Zhu… - Bioresource …, 2015 - Elsevier
Ferric salts will influence the thermophilic anaerobic digestion of waste activated sludge
(WAS). FeCl 3 was found to contribute to the anaerobic digestion process with a cumulative …