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The Potential Role of Hybrid Constructed Wetlands Treating University Wastewater—Experience from Northern Italy

doi: 10.3390/su122410604
handle: 11585/785210
University wastewater is a type of wastewater with higher pollutants load and flow rate variability than typical domestic wastewater. Constructed wetlands (CW) could be used for university wastewater treatment and consequently for wastewater reuse. A hybrid CW pilot plant, at the University of Bologna (Italy), was monitored to assess its potential to be used at the university. Its treatment performance was monitored for one year and public acceptance explored through a survey. The pilot plant had two treatment lines, (1) a vertical flow CW (VFCW) and a planted horizontal flow CW (HFCW), and (2) the same VFCW and an unplanted horizontal flow filter (HFF). The HFCW achieved higher removals than the HFF, but it was also found to be prone to higher water losses. However, both treatment lines met the Italian limits for discharge in natural water bodies and some of the limits for wastewater reuse in Italy and the EU. The VFCW alone was not able to meet the same limits, demonstrating the advantages of hybrid over single stage CWs. A positive attitude towards CWs and wastewater reuse was found among the survey participants. Therefore, hybrid CWs (planted and unplanted) are considered a feasible technology for application at universities.
public acceptance, Environmental effects of industries and plants, TJ807-830, hybrid constructed wetland; public acceptance; wastewater reuse; wastewater treatment, wastewater reuse, TD194-195, hybrid constructed wetland, Renewable energy sources, Environmental sciences, wastewater treatment, GE1-350
public acceptance, Environmental effects of industries and plants, TJ807-830, hybrid constructed wetland; public acceptance; wastewater reuse; wastewater treatment, wastewater reuse, TD194-195, hybrid constructed wetland, Renewable energy sources, Environmental sciences, wastewater treatment, GE1-350
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).8 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10%
