Novel insights into enzymatic-enhanced anaerobic digestion of waste activated sludge by three-dimensional excitation and emission matrix fluorescence …

K Luo, Q Yang, X Li, H Chen, X Liu, G Yang, G Zeng - Chemosphere, 2013 - Elsevier
In our previous study, it has been proposed that the hydrolysis of waste activated sludge
(WAS) can be enhanced by hydrolytic enzymes. In this study, fluorescence spectral …

Three-dimensional fluorescence excitation–emission matrix (EEM) spectroscopy with regional integration analysis for assessing waste sludge hydrolysis treated with …

L Guo, M Lu, Q Li, J Zhang, Y Zong, Z She - Bioresource technology, 2014 - Elsevier
The hydrolysis effect of waste sludge after multi-enzyme and thermophilic bacteria
pretreatments is investigated using excitation–emission matrix (EEM) with fluorescence …

Three-dimensional fluorescence excitation–emission matrix (EEM) spectroscopy with regional integration analysis for assessing waste sludge hydrolysis at different …

J Sun, L Guo, Q Li, Y Zhao, M Gao, Z She… - … Science and Pollution …, 2016 - Springer
Heat pretreatment process can promote sludge hydrolysis and enhance the degradability of
waste sludge. The effect of heat pretreatment at different temperatures on the changes of …

New insight into chemical changes of dissolved organic matter during anaerobic digestion of dewatered sewage sludge using EEM-PARAFAC and two-dimensional …

X Li, X Dai, J Takahashi, N Li, J Jin, L Dai… - Bioresource technology, 2014 - Elsevier
Dissolved organic matter (DOM) is a key component in reaction network of anaerobic
digestion. In this study, fluorescent excitation–emission matrix-parallel factor (EEM …

Characterizing the extracellular and intracellular fluorescent products of activated sludge in a sequencing batch reactor

WH Li, GP Sheng, XW Liu, HQ Yu - Water Research, 2008 - Elsevier
Three-dimensional excitation–emission-matrix (EEM) fluorescence spectrometry was used
to characterize the extracellular and intracellular substances of activated sludge in a …

Characterization of extracellular polymeric substances of aerobic and anaerobic sludge using three-dimensional excitation and emission matrix fluorescence …

GP Sheng, HQ Yu - Water research, 2006 - Elsevier
In this study three-dimensional excitation–emission matrix (EEM) fluorescence spectroscopy
was applied to characterize the extracellular polymeric substances (EPS) extracted from …

Characterization of dissolved organic matter in the anoxic–oxic-settling-anaerobic sludge reduction process

Z Zhou, W Qiao, C Xing, C Wang, LM Jiang… - Chemical Engineering …, 2015 - Elsevier
Three-dimensional excitation-emission matrix (EEM) fluorescence spectroscopy and gel
permeation chromatography (GPC) analysis were employed to investigate the distribution …

Comprehensively understanding metabolic pathways of protein during the anaerobic digestion of waste activated sludge

S Wang, Q Ping, Y Li - Chemosphere, 2022 - Elsevier
The metabolic pathways of protein during anaerobic digestion (AD) of waste activated
sludge (WAS) were comprehensively investigated. Results showed that 100 kinds of …

Three-dimensional excitation-emission matrix fluorescence spectroscopy and fractions of dissolved organic matter change in landfill leachate by biological treatment

Y Cui, Q Wu, M Yang, F Cui - Environmental Science and Pollution …, 2016 - Springer
The water quality improvement of landfill leachate after sequencing batch reactor (SBR)
activated sludge process were evaluated by chemical oxygen demand (COD), dissolved …

Behavior of organic components and the migration of heavy metals during sludge dewatering by different advanced oxidation processes via optical spectroscopy and …

Y Zhu, K Xiao, B Ou, Y Liu, W Yu, S Jian, X Hu, H Liu… - Water Research, 2023 - Elsevier
A comparative study of the different advanced oxidation processes (Fe (II)-Oxone, Fe (II)-H 2
O 2, and Fe (II)-NaClO) was carried out herein to analyze the characteristics of organic …