Opportunities and challenges in sustainable treatment and resource reuse of sewage sludge: a review

A Raheem, VS Sikarwar, J He, W Dastyar… - Chemical Engineering …, 2018 - Elsevier
Sludge or waste activated sludge (WAS) generated from wastewater treatment plants may
be considered a nuisance. It is a key source for secondary environmental contamination on …

Overview of pretreatment strategies for enhancing sewage sludge disintegration and subsequent anaerobic digestion: Current advances, full-scale application and …

G Zhen, X Lu, H Kato, Y Zhao, YY Li - Renewable and Sustainable Energy …, 2017 - Elsevier
Sewage sludge management is now becoming a serious issue all over the world. Anaerobic
digestion is a simple and well-studied process capable of biologically converting the …

Principles and potential of thermal hydrolysis of sewage sludge to enhance anaerobic digestion

P Gahlot, G Balasundaram, VK Tyagi, AE Atabani… - Environmental …, 2022 - Elsevier
Sewage sludge is rich source of carbon, nutrients, and trace elements and can be subjected
to proper treatment before disposal to fulfill government legislation and protect receiving …

A review of sludge-to-energy recovery methods

J Oladejo, K Shi, X Luo, G Yang, T Wu - Energies, 2018 - mdpi.com
The increasing volume of sewage sludge from wastewater treatment facilities is becoming a
prominent concern globally. The disposal of this sludge is particularly challenging and …

Biotechnological strategies for bio-transforming biosolid into resources toward circular bio-economy: a review

MK Awasthi, E Singh, P Binod, R Sindhu… - … and Sustainable Energy …, 2022 - Elsevier
Biosolids are the biological organic matter extracted from various treatment processes of
wastewater which are considered as a rich source of energy and nutrients. The most …

Pre-treatments to enhance the biodegradability of waste activated sludge: elucidating the rate limiting step

A Gonzalez, A Hendriks, JB Van Lier… - Biotechnology Advances, 2018 - Elsevier
Pre-treatments for waste activated sludge (WAS) are, in most cases, an attempt to increase
the biodegradation and/or improve hydrolysis rate of WAS after anaerobic digestion. This …

Long-term performance of a 20-L continuous flow microbial fuel cell for treatment of brewery wastewater

M Lu, S Chen, S Babanova, S Phadke… - Journal of Power …, 2017 - Elsevier
Microbial fuel cells (MFCs) have been shown as a promising technology for wastewater
treatment. Integration of MFCs into current wastewater treatment plant have potential to …

Optimized alkaline pretreatment of sludge before anaerobic digestion

H Li, C Li, W Liu, S Zou - Bioresource technology, 2012 - Elsevier
NaOH was used to disintegrate a mixture composed mainly of primary sludge with biofilm
sludge before anaerobic digestion in batch experiments. NaOH pretreatment dissolved …

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 …

High pressure thermal hydrolysis as pre-treatment to increase the methane yield during anaerobic digestion of microalgae

P Keymer, I Ruffell, S Pratt, P Lant - Bioresource technology, 2013 - Elsevier
Anaerobic digestion of algal biomass will be an essential component of algal biofuel
production systems, yet the methane yield from digestion of algae is typically much lower …