A review on wastewater sludge valorisation and its challenges in the context of circular economy

A Gherghel, C Teodosiu, S De Gisi - Journal of cleaner production, 2019 - Elsevier
The use of wastewater sludge as a source for energy and resource recovery is a good
alternative for its management considering the legislation requirements and the circular …

Sustainable fertilizers: Publication landscape on wastes as nutrient sources, wastewater treatment processes for nutrient recovery, biorefineries, and green ammonia …

L Babcock-Jackson, T Konovalova… - Journal of agricultural …, 2023 - ACS Publications
The ability of modern agriculture to meet future food demand imposed by accelerating
growth of the world's population is a major challenge, and fertilizers play a key role by …

Thiosulfate pretreatment enhancing short-chain fatty acids production from anaerobic fermentation of waste activated sludge: Performance, metabolic activity and …

B Cheng, Y Wang, D Zhang, D Wu, F Zan, J Ma, L Miao… - Water Research, 2023 - Elsevier
A novel strategy based on thiosulfate pretreatment for enhancing short-chain fatty acids
(SCFAs) from anaerobic fermentation (AF) of waste activated sludge (WAS) was proposed in …

Recent progress in microbial fuel cells using substrates from diverse sources

JM Sonawane, R Mahadevan, A Pandey, J Greener - Heliyon, 2022 - cell.com
Increasing untreated environmental outputs from industry and the rising human population
have increased the burden of wastewater and other waste streams on the environment. The …

Promoting anaerobic co-digestion of sewage sludge and food waste with different types of conductive materials: Performance, stability, and underlying mechanism

J Liang, L Luo, D Li, S Varjani, Y Xu, JWC Wong - Bioresource Technology, 2021 - Elsevier
In this research, we investigated and compared the effects of three widely used conductive
materials, eg, zero-valent iron (Fe 0), magnetite (Fe 3 O 4), and biochar on the performance …

Enhancing phosphorus release from sewage sludge via anaerobic treatment: State-of-art progress and future challenges

W Yao, CX Yang, Y Lu, YY Lu, SX Wang… - Chemical Engineering …, 2024 - Elsevier
Phosphorus recovery and recycling from waste streams is of great significance to achieve a
sustainable phosphorus management. Daily discharged sewage contained a considerable …

[HTML][HTML] Production of volatile fatty acids through co-digestion of sewage sludge and external organic waste: Effect of substrate proportions and long-term operation

I Owusu-Agyeman, E Plaza, Z Cetecioglu - Waste Management, 2020 - Elsevier
Volatile fatty acids (VFAs) are intermediates of anaerobic digestion with high value and wide
range of usage. Co-digestion of sewage sludge and external organic waste (OW) for VFA …

Long-term validation of polyhydroxyalkanoates production potential from the sidestream of municipal wastewater treatment plant at pilot scale

V Conca, C da Ros, F Valentino, AL Eusebi… - Chemical Engineering …, 2020 - Elsevier
In this study, polyhydroxyalkanoates (PHAs) production integrated with the via-nitrite
nitrogen removal from anaerobic reject water was investigated at pilot scale under long-term …

Biohydrogen production by mixed culture of Megasphaera elsdenii with lactic acid bacteria as lactate-driven dark fermentation

A Ohnishi, Y Hasegawa, N Fujimoto, M Suzuki - Bioresource Technology, 2022 - Elsevier
Numerous attempts have been made to upscale biohydrogen production via dark
fermentation (DF); however, the Achilles' heel of DF, ie, lactic acid bacteria (LAB) …

Sieving of municipal wastewater and recovery of bio-based volatile fatty acids at pilot scale

C Da Ros, V Conca, AL Eusebi, N Frison, F Fatone - Water research, 2020 - Elsevier
This study combined at pilot scale the recovery of cellulosic primary sludge from the sieving
of municipal wastewater followed by the production of bio-based VFAs through acidogenic …