| Title | Current trends and future directions of global research on wastewater to energy: a bibliometric analysis and review |
|---|---|
| ID_Doc | 26164 |
| Authors | Shi, ZN; Xing, K; Rameezdeen, R; Chow, CWK |
| Title | Current trends and future directions of global research on wastewater to energy: a bibliometric analysis and review |
| Year | 2024 |
| Published | |
| Abstract | This paper presents a structured bibliometric analysis and review of the research publications recorded in the Web of Science database from 2000 to 2023 to methodically examine the landscape and development of the 'wastewater to energy' research field in relation to global trends, potential hotspots, and future research directions. The study highlights three main research themes in 'wastewater to energy', which are biogas production through anaerobic digestion of sewage sludge, methane generation from microbial wastewater treatment, and hydrogen production from biomass. The analysis reveals activated sludge, biochar, biomethane, biogas upgrading, hydrogen, and circular economy as key topics increasingly gaining momentum in recent research publications as well as representing potential future research directions. The findings also signify transformation to SDGs and circular economy practices, through the integration of on-site renewables and biogas upgrading for energy self-sufficiency, optimising energy recovery from wastewater treatment systems, and fostering research and innovation in 'wastewater to energy' supported by policy incentives. By shedding light on emerging trends, cross-cutting themes, and potential policy implications, this study contributes to informing both knowledge and practices of the 'wastewater to energy' research community. |
| https://doi.org/10.1007/s11356-024-32560-2 |
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