Multiple roles of humic substances in anaerobic digestion systems: A review

S Long, J Yang, Z Hao, Z Shi, X Liu, Q Xu… - Journal of Cleaner …, 2023 - Elsevier
Humic substances (HS) is one of the main organic components of biowaste with high
molecular weight and aromaticity. There is a growing concern that HS will hinder the …

Recent advances and perspectives in roles of humic acid in anaerobic digestion of waste activated sludge

ZW He, F Wang, ZS Zou, CC Tang, AJ Zhou… - Chemical Engineering …, 2023 - Elsevier
Waste activated sludge (WAS), the major by-product of wastewater treatment plants, has
been hugely produced with the increase of wastewater treatment capacity. Anaerobic …

How does chitosan affect methane production in anaerobic digestion?

X Liu, M Du, Q Lu, D He, K Song, Q Yang… - Environmental …, 2021 - ACS Publications
The expanding use of chitosan in sewage and sludge treatment processes raises concerns
about its potential environmental impacts. However, investigations of the impacts of chitosan …

Underestimated humic acids release and influence on anaerobic digestion during sludge thermal hydrolysis

F Huang, H Liu, J Wen, C Zhao, L Dong, H Liu - Water Research, 2021 - Elsevier
Humic-like acids (HAs) are abundant in sewage sludge but mainly bonded with solids. Thus,
their influences are often neglected in conventional digestion processes. Currently thermal …

A versatile control strategy based on organic carbon flow analysis for effective treatment of incineration leachate using an anammox-based process

H Wang, J Wang, M Zhou, W Wang, C Liu, Y Wang - Water Research, 2022 - Elsevier
Anammox-based process provides an alternative for the sustainable treatment of
incineration leachate that has high-load ammonium and high residual heat, but the high …

Comprehensive understanding of DOM reactivity in anaerobic fermentation of persulfate-pretreated sewage sludge via FT-ICR mass spectrometry and reactomics …

J Liu, C Wang, Z Hao, G Kondo, M Fujii, QL Fu, Y Wei - Water Research, 2023 - Elsevier
Understanding the composition and reactivity of dissolved organic matter (DOM) at
molecular level is vital for deciphering potential regulators or indicators relating to anaerobic …

Enhancing methane production from anaerobic digestion of waste activated sludge through a novel sodium percarbonate (SPC) pretreatment: reaction kinetics and …

Y Wang, P Sun, H Guo, D Wang, T Zhu… - ACS ES&T …, 2022 - ACS Publications
Sodium percarbonate (SPC), a harmless and economical inorganic peroxide, has recently
attracted increasing attention in pollutant degradation and sludge treatment. However, the …

Intensification of acidogenic fermentation for the production of biohydrogen and volatile fatty acids—a perspective

S Nagarajan, RJ Jones, L Oram, J Massanet-Nicolau… - Fermentation, 2022 - mdpi.com
Utilising 'wastes' as 'resources' is key to a circular economy. While there are multiple routes
to waste valorisation, anaerobic digestion (AD)—a biochemical means to breakdown …

[HTML][HTML] Urine source separation-based pretreatment: a sustainable strategy for improving methane production from anaerobic digestion of waste activated sludge

L Tian, H Guo, Y Wang, X Wang, T Zhu, Y Liu - Sustainable Horizons, 2022 - Elsevier
Urine wastewater derived from source separation technology was employed to pretreat
waste activated sludge (WAS) for anaerobic digestion in this study. In comparison to the …

Influence of thermal hydrolysis on sludge anaerobic digestion: Release of humic acid promotes electron transport of methanogen

C Zhao, H Liu, H Liu, X Zhan, X Zhang, B Fu… - Chemical Engineering …, 2023 - Elsevier
Thermal hydrolysis pretreatment (THP) has been widely applied to promote anaerobic
digestion (AD). Humic acids (HAs) are a group of insoluble organics and often present in the …