To what content the chemical characteristics of sludge extracellular polymeric substances affect anaerobic digestion efficiency: A review

T Hu, X Chen, W Zhao, S He, L Feng, Q Zhao… - Chemical Engineering …, 2024 - Elsevier
Anaerobic digestion (AD) has traditionally been regarded as one of most low-carbon
approaches in waste activated sludge (WAS) disposal throughout the world. To continuously …

Integrated biotechnology management of biosolids: sustainable ways to produce value—added products

VK Vaithyanathan, H Cabana - Frontiers in Water, 2021 - frontiersin.org
Biosolids (BS) are organic dry matter produced from wastewater treatment plants (WWTPs).
The current yearly worldwide production of BS is estimated to be around 100–125 million …

Production and characterization of eco enzyme produced from tomato and orange wastes and its influence on the aquaculture sludge

N Rasit, L Hwe Fern… - International Journal of …, 2019 - papers.ssrn.com
Eco enzyme is a fermented solution from mixture of sugar, fruit wastes and water in the ratio
of 1: 3: 10. It can be used as pretreatment for aquaculture sludge before other further …

Peracetic acid promotes biohydrogen production from anaerobic dark fermentation of waste activated sludge

C Li, X Liu, M Du, J Yang, Q Lu, Q Fu, D He… - Science of The Total …, 2022 - Elsevier
Peracetic acid (PAA), a widely used organic peroxide with strong disinfection and oxidizing
effect, has recently attracted research interest in waste activated sludge (WAS) treatment to …

An innovative alkaline protease-based pretreatment approach for enhanced short-chain fatty acids production via a short-term anaerobic fermentation of waste …

H Pang, X Pan, L Li, J He, Y Zheng, F Qu, Y Ma… - Bioresource …, 2020 - Elsevier
This study reported a novel pretreatment approach with combination of alkaline protease
(AP) and pH 10 for enhancing short-chain fatty acids (SCFAs) production from waste …

Revealing methane production potential from waste activated sludge through citric acid-assisted hydrogen corrosion of zero valent iron

F Wang, ZS Zou, ZW He, CC Tang, AJ Zhou… - Chemical Engineering …, 2023 - Elsevier
Anaerobic digestion of waste activated sludge (WAS) for biofuel recovery is one key step for
develo** energy-self-sufficient and carbon–neutral wastewater treatment plants. Although …

Surfactant-assisted thermal hydrolysis off waste activated sludge for improved dewaterability, organic release, and volatile fatty acid production

X Shi, L Zhu, B Li, J Liang, X Li - Waste Management, 2021 - Elsevier
The surfactant-assisted thermal hydrolysis pretreatment (THP) of waste activated sludge
(WAS) was investigated, focusing on the effect of the surfactant addition on the results of …

Dispersion induced ozone pretreatment of waste activated biosolids: arriving biomethanation modelling parameters, energetic and cost assessment

RY Kannah, S Kavitha, JR Banu, OP Karthikeyan… - Bioresource …, 2017 - Elsevier
In this study, the phase separated effect of dispersion induced ozone pretreatment (DOP)
was investigated. Solid reduction, biomass lysis and biomethane production were used as …

Solubilization of waste activated sludge using a garbage enzyme produced from different pre-consumer organic waste

C Arun, P Sivashanmugam - RSC advances, 2015 - pubs.rsc.org
The conversion of pre-consumer solid waste into value added products, and utilisation of
this for the treatment of activated sludge into a reusable form without having toxic effects on …

Combined thermo-chemo-sonic disintegration of waste activated sludge for biogas production

S Kavitha, RY Kannah, IT Yeom, KU Do… - Bioresource Technology, 2015 - Elsevier
In the present study, there was an investigation about the impact of a new combined thermo-
chemo-sonic disintegration of waste activated sludge (WAS) on biodegradability. The …