Performance of a constructed wetland-pond system for treatment and reuse of wastewater from campus buildings

Wen Sheng Ou, Ying Feng Lin, Shuh Ren Jing, Hsien Te Lin

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

A constructed wetland-pond system consisting of two free-water-surface-flow (FWS) wetland cells, a scenic pond, and a slag filter in series was used for reclamation of septic tank effluent from a campus building. The results show that FWS wetlands effectively removed major pollutants under a hydraulic loading rate between 2.1 and 4.2 cm/d, with average efficiencies ranging from 74 to 78% for total suspended solids, 73 to 88% for 5-day biochemical oxygen demand, 42 to 49% for total nitrogen, 34 to 70% for total phosphorous, 64 to 79% for total coliforms, and 90 to 99.9% for Escherichia coli. After passing through the scenic pond and slag filter, the reclaimed water was used for landscape irrigation. There were a variety of ornamental plants and aquatic animals established in the second FWS cell and scenic pond with good water quality, thus enhancing landscape and ecology amenity in campuses.

Original languageEnglish
Pages (from-to)2369-2376
Number of pages8
JournalWater Environment Research
Volume78
Issue number12
DOIs
Publication statusPublished - 2006 Nov

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Ecological Modelling
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution

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