PHYTOREMEDIATION PERFORMANCE OF URBAN WASTEWATER BY THE PAPYRUS ALTERNIOFOLIUS IN EL-OUED REGION (SOUTHEAST OF ALGERIA)

Authors

  • S. Zaghdi Laboratory of recovery and promotion of Saharan resources, University Kasdi Merbah, Ouargla, 30000
  • S. E. Laouini Department of process engineering and petrochemical, faculty of technology, Hamma Lakhdar University, El-Oued, 39000
  • A. A. Bebba Laboratory of recovery and promotion of Saharan resources, University Kasdi Merbah, Ouargla, 30000

DOI:

https://doi.org/10.4314/jfas.v10i3.30

Keywords:

Phytopurification, Papyrus alterniofolius, Wastewater, horizontal flow biomass, EL Oued.

Abstract

The aim of this study is to highlight the ability of plants to purify wastewater with a horizontal flow system under a dry and hot climate. The process consists of circular beds with a capacity of 30 L filled with superimposed layers of gravel (25/15) mm, sand, 45 cm and 10 cm deep respectively. The first bed was planted with freshly collected stems of the plant Papyrus alterniofolius (40 stems/m2) and an unplanted bed was taken as a witness. The results revealed important removal fractions of the main pollutants namely: chemical oxygen demand COD (70,59%), biochemical oxygen demand BOD5( 97,25%) total suspended solids TSS (97,16%), nitrite NO2– ( 65,55%), nitrate NO3-(86,16 %),  E. coli (99.41%), total coliforms (99.97 %) and total streptococcus (99.90 %). The considerable decrease of pollutants content and harmful organisms enables the reuse of the treated water in agriculture and industry.

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Published

2018-09-01

Issue

Vol. 10 No. 3 (2018)

Section

Research Articles

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