Multi-species plant systems for wastewater quality improvements and habitat enhancement

Martin M. Karpiscak, Charles P Gerba, Pamela M. Watt, Kennith E. Foster, Jeanne A. Falabi

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

The use of macrophytic plants for the treatment of municipal wastewater is growing rapidly. The Constructed Ecosystems Research Facility (CERF) is a joint project of the Pima County Wastewater Management Department and The University of Arizona's Office of Arid Lands Studies. The facility consists of five 30-mil-hyperlon-lined raceways measuring 61 m long, 8.2 m wide, and 1.4 m deep and one slightly larger raceway. Research has been and is being conducted with aquatic plants such as water hyacinth (Eichhornia crassipes), duckweed (Lemna spp.), giant reed (Arundo donax), bulrush (Scirpus olneyi), black willow (Salix nigra), and cottonwood (Populus fremontii). Composite water samplers are used to collect refrigerated samples from incoming secondary wastewater from Pima County's Sewage Treatment Facility and from the effluent leaving each raceway. Water samples have been analyzed for parameters such as pH, RODS, and total nitrogen. Microbiological studies have concentrated on the removal of indicator coliform bacteria, as well as Giardia, Cryptosporidium and viruses from the wastewater. Data from the water quality studies indicate that these constructed ecosystems reduce BOD5 consistently to below the 10 mg/L BOD5, tertiary standard, remove nitrogen as well as decrease the concentration of pathogens significantly.

Original languageEnglish (US)
Pages (from-to)231-236
Number of pages6
JournalWater Science and Technology
Volume33
Issue number10-11
DOIs
StatePublished - 1996

Fingerprint

Wastewater
wastewater
habitat
Ecosystems
Coliform bacteria
Nitrogen
Water
Sewage treatment
coliform bacterium
nitrogen
Pathogens
aquatic plant
Viruses
sewage treatment
sampler
Water quality
Effluents
virus
pathogen
effluent

Keywords

  • Arundo donax
  • Coliforms
  • Constructed wetlands
  • Cryptosporidium
  • Giardia
  • Lemna spp.
  • P. fremontii
  • Pathogens
  • Salis nigra
  • Scirpus olneyi
  • Wastewater
  • Water quality
  • Wetlands

ASJC Scopus subject areas

  • Water Science and Technology

Cite this

Multi-species plant systems for wastewater quality improvements and habitat enhancement. / Karpiscak, Martin M.; Gerba, Charles P; Watt, Pamela M.; Foster, Kennith E.; Falabi, Jeanne A.

In: Water Science and Technology, Vol. 33, No. 10-11, 1996, p. 231-236.

Research output: Contribution to journalArticle

Karpiscak, Martin M. ; Gerba, Charles P ; Watt, Pamela M. ; Foster, Kennith E. ; Falabi, Jeanne A. / Multi-species plant systems for wastewater quality improvements and habitat enhancement. In: Water Science and Technology. 1996 ; Vol. 33, No. 10-11. pp. 231-236.
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