Pathways to a net-zero-carbon water sector through energy-extracting wastewater technologies

被引：0
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作者：
Aishwarya Rani
Seth W. Snyder
Hyunook Kim
Zhongfang Lei
Shu-Yuan Pan
机构：
[1] National Taiwan University,Department of Bioenvironmental Systems Engineering
[2] Northwestern University,Energy and Environment Science & Technology, Idaho National Laboratory, Idaho Falls, United States and Department of Chemical and Biological Engineering
[3] University of Seoul,Department of Environmental Engineering
[4] University of Tsukuba,Faculty of Life and Environmental Sciences
来源：
npj Clean Water | / 5卷
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摘要：
The energy-consuming and carbon-intensive wastewater treatment plants could become significant energy producers and recycled organic and metallic material generators, thereby contributing to broad sustainable development goals, the circular economy, and the water-energy-sanitation-food-carbon nexus. This review provides an overview of the waste(water)-based energy-extracting technologies, their engineering performance, techno-economic feasibility, and environmental benefits. Here, we propose four crucial strategies to achieve net-zero carbon along with energy sufficiency in the water sector, including (1) improvement in process energy efficiency; (2) maximizing on-site renewable capacities and biogas upgrading; (3) harvesting energy from treated effluent; (4) a new paradigm for decentralized water-energy supply units.
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