Seasonal variation of nutrient removal in a full-scale horizontal constructed wetland

M. C. Mesquita, A. Albuquerque, L. Amaral, R. Nogueira

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

The main objective of the present study was to evaluate the difference in removal efficiency (RE) of nitrogen and phosphorus compounds based on the seasonal changes in a full-scale gravel-based horizontal subsurface flow constructed wetland located in Interior Central Region of Portugal. The RE of nitrogen and phosphorus compounds were relatively poor, but the results allow us to conclude that season had a significant (p<0.05) effect on the RE of TN, NH4+-N, NOx-N, TP and DP, with higher values in spring-summer period (10.4%, 10.4%, 3.4%, 27.5% and 26.1%, respectively) than in autumn-winter (0%, -7.7%, -9.8%, 12.9% and 0%, respectively).

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalEnergy Procedia
Volume136
DOIs
Publication statusPublished - 1 Jan 2017
Event4th International Conference on Energy and Environment Research, ICEER 2017 - Porto, Portugal
Duration: 17 Jul 201720 Jul 2017

Keywords

  • Constructed wetlands
  • domestic wastewater
  • horizontal subsurface flow
  • nutrinet removal
  • seasonal variation

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