Technologies for reducing sludge production in wastewater treatment plants: State of the art

Q Wang, W Wei, Y Gong, Q Yu, Q Li, J Sun… - Science of the Total …, 2017 - Elsevier
This review presents the state-of-the-art sludge reduction technologies applied in both
wastewater and sludge treatment lines. They include chemical, mechanical, thermal …

Improving the treatment of waste activated sludge using calcium peroxide

Q Xu, QS Huang, W Wei, J Sun, X Dai, BJ Ni - Water research, 2020 - Elsevier
The treatment and disposal of waste activated sludge (WAS) has become one of the major
challenges for the wastewater treatment plants (WWTPs) due to large output, high treatment …

Ferrate pretreatment-anaerobic fermentation enhances medium-chain fatty acids production from waste activated sludge: Performance and mechanisms

Y Wang, X Wang, D Wang, T Zhu, Y Zhang, H Horn… - Water Research, 2023 - Elsevier
The rupture of cytoderm and extracellular polymeric substances (EPS), and competitive
inhibition of methanogens are the main bottlenecks for medium-chain fatty acids (MCFAs) …

Enhanced short-chain fatty acids production through a short-term anaerobic fermentation of waste activated sludge: synergistic pretreatment of alkali and alkaline …

H Pang, Q Jiao, J He, Z Zhang, L Wang, Z Yan… - Journal of Cleaner …, 2022 - Elsevier
Short-chain fatty acids (SCFAs) recovery through anaerobic fermentation is a promising
pathway to achieve economic benefits and carbon-emission reduction in waste activated …

Sulfite serving as a pretreatment method for alkaline fermentation to enhance short-chain fatty acid production from waste activated sludge

X Liu, M Du, J Yang, Y Wu, Q Xu, D Wang… - Chemical Engineering …, 2020 - Elsevier
Alkaline anaerobic fermentation has been reported to be effective for short-chain fatty acids
(SCFAs) production from waste activated sludge, but is still limited by the high alkalis …

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 …

Enhancing volatile fatty acids production from waste activated sludge by a novel cation-exchange resin assistant strategy

H Pang, J He, Y Ma, X Pan, Y Zheng, H Yu… - Journal of Cleaner …, 2021 - Elsevier
This study developed a novel strategy for enhancing volatile fatty acids production from
waste activated sludge by cation-exchange resin assistant anaerobic fermentation. The …

Short-chain fatty acid production from waste activated sludge and in situ use in wastewater treatment plants with life cycle assessment

X Li, W Liu, W Zhang, A Zhou, Q Xu, Z He… - Resources …, 2023 - Elsevier
The increasing waste-activated sludge (WAS) and shortage of carbon source (CSs)
production for biological nitrogen removal (BNR) have limited sewage treatment …

Occurrence, effect, and fate of residual microplastics in anaerobic digestion of waste activated sludge: A state-of-the-art review

ZW He, WJ Yang, YX Ren, HY Jin, CC Tang… - Bioresource …, 2021 - Elsevier
The plastic products have large consumption over last decades, resulting in a serious
microplastics (MPs) pollution. Specially, the main removal way of MPs from wastewater is to …

Endogenous biopolymer hydrolysis for enhancing short-chain fatty acids recovery from excess sludge: Combination of lysozyme-catalyzing and cation exchange resin …

H Pang, Y Xu, Y Zhang, Q Wei, D Xu, J Liu, J Lu - Chemosphere, 2023 - Elsevier
In decades, anaerobic fermentation with short-chain fatty acids (SCFAs) recovery from
excess sludge have attained rising attention. However, rigid particulate organic matter …