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2022, Vol.16, Issue.9

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Wastewater treatment plants (WWTPs) are municipal facilities where water and energy are highly interconnected. They remove pollutants from the sewage while large amounts of energy are consumed with greenhouse gases emitted. Thus, energy neutrality potential (ENP) is a critical indicator to represent the conversion situation of water and energy in WWTPs. This study proposed a novel framework to evaluate the ENP through the combination of comprehensive water-energy efficiency (dimensionless) and energy self-sufficiency (%) of WWTPs. The efficiency of wastewater treatment was quantified and energy recovery potentials in terms of chemical and thermal energy were estimated. The framework was applied to 970 WWTP samples in Yangtze River Economic Belt region in China. To categorize the ENP levels, the critical value of comprehensive water-energy efficiency was 0.544, while that of energy self-sufficiency was 67.26%. The results can provide guidance for optimizing the energy efficiency and recovery of WWTPs to realize the neutrality. The framework could also be suitable for WWTPs in other regions worldwide. 

Contents Volume 16 · Issue 9 · 2022. Pages 112-124 13 articles

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Tracking in urban wastewater treatment plants in a cold region: Occurrence, species and infectivity

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9,   Pages 112- doi:10.1007/s11783-022-1533-8

Abstract 116 PDF 25

Occurrence and distribution of micro- and mesoplastics in the high-latitude nature reserve, northern China

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9,   Pages 113- doi:10.1007/s11783-022-1534-7

Abstract 91 PDF 23

Energy neutrality potential of wastewater treatment plants: A novel evaluation framework integrating energy efficiency and recovery

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1549-0

Abstract 48 PDF 20

Design of nanofibre interlayer supported forward osmosis composite membranes and its evaluation in fouling study with cleaning

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1550-7

Abstract 39 PDF 19

Development of machine learning multi-city model for municipal solid waste generation prediction

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1551-6

Abstract 34 PDF 22

Airborne bacteria associated with particulate matter from a highly urbanised metropolis: A potential risk to the population’s health

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1552-5

Abstract 39 PDF 22

Impacts of methanol fuel on vehicular emissions: A review

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1553-4

Abstract 36 PDF 24

Effects of manufactured nanomaterials on algae: Implications and applications

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1554-3

Abstract 45 PDF 26

Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1555-2

Abstract 45 PDF 20

Erratum to: On the potential of iPhone significant location data to characterize individual mobility for air pollution health studies

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi:10.1007/s11783-022-1556-1

Abstract 30 PDF 18