Role of microbial hydrolysis in anaerobic digestion

T Menzel, P Neubauer, S Junne - Energies, 2020 - mdpi.com
There is a growing need of substrate flexibility for biobased production of energy and value-
added products that allows the application of variable biodegradable residues within a …

Impact of process parameters of thermal alkaline pretreatment on biogas yield and dewaterability of waste activated sludge

V Toutian, M Barjenbruch, C Loderer, C Remy - Water Research, 2021 - Elsevier
Thermal alkaline pretreatment (TAP) of waste activated sludge (WAS) before anaerobic
digestion (AD) was reviewed. Focus of the review was on impact of TAP process parameters …

Low-temperature thermal pre-treatment of municipal wastewater sludge: Process optimization and effects on solubilization and anaerobic degradation

L Nazari, Z Yuan, D Santoro, S Sarathy, D Ho… - Water research, 2017 - Elsevier
The present study examines the relationship between the degree of solubilization and
biodegradability of wastewater sludge in anaerobic digestion as a result of low-temperature …

Heat pretreatment assists free ammonia to enhance hydrogen production from waste activated sludge

D Wang, Y Wang, X Liu, Q Xu, Q Yang, X Li… - Bioresource …, 2019 - Elsevier
Controlling free ammonia in an anaerobic fermenter at pertinent levels is reported recently to
be an economically attractive and practically feasible approach to enhance hydrogen yield …

Rethinking the relationships between gel like structure and sludge dewaterability based on a binary gel like structure model: Implications for the online sensing of …

D Zhang, Y Wang, J Wang, X Fan, S Zhang, M Liu… - Water Research, 2024 - Elsevier
The digital transformation of sludge treatment processes requires online sensing of
dewaterability. This topic has been attempted for many years based on macroscopic shear …

A comprehensive review on rheological studies of sludge from various sections of municipal wastewater treatment plants for enhancement of process performance

E Hong, AM Yeneneh, TK Sen, HM Ang… - Advances in Colloid and …, 2018 - Elsevier
Large quantities of sludge is generated from different sections of a wastewater treatment
plant operation. Sludge can be a solid, semisolid or liquid muddy residual material …

Free nitrous acid pre-treatment enhances anaerobic digestion of waste activated sludge and rheological properties of digested sludge: a pilot-scale study

J Meng, H Duan, H Li, S Watts, P Liu, S Shrestha… - Water research, 2020 - Elsevier
In this study, the effects of free nitrous acid (FNA) pre-treatment on the rheological properties
of digested sludge were investigated at a pilot-scale, along with the improvement in volatile …

Direct sludge granulation by applying mycelial pellets in continuous-flow aerobic membrane bioreactor: performance, granulation process and mechanism

X Xiao, F Ma, S You, H Guo, J Zhang, X Bao… - Bioresource Technology, 2022 - Elsevier
This study provides a sustainable manner for direct cultivation of aerobic granular sludge
(AGS) by addition of mycelial pellets (MPs) into continuous-flow aerobic MBR. The results …

Evaluation of thermal hydrolysis efficiency of mechanically dewatered sewage sludge via rheological measurement

J Zhang, Y Xue, N Eshtiaghi, X Dai, W Tao, Z Li - Water Research, 2017 - Elsevier
In this study, laboratory tests of both low temperature (60–90° C) and high temperature (120–
180° C) thermal hydrolysis (LTHP and HTHP) were performed on mechanically dewatered …

Phase separation and microbial distribution in the hyperthermophilic-mesophilic-type temperature-phased anaerobic digestion (TPAD) of waste activated sludge …

Y Qin, A Higashimori, LJ Wu, T Hojo, K Kubota… - Bioresource …, 2017 - Elsevier
In order to investigate the phase separation and microbial distribution in the TPAD, the
conventional thermophilic-mesophilic type (TM-TPAD) and the hyperthermophilic …