Use of natural Stipa tenacissima fibers for the removal of H2S in an alkaline aqueous medium

  • Hanen Azaza
  • Lassaad Mechi
  • Mohamed Ben Amor
  • Ismaîl Trabelsi
Original Paper


The current research aims to use plants as substituent of chemical additives in the elimination of pollutants, therefore making polluting industries environmentally friendly. In the present work, the potential use of Stipa tenacissima (cultivated in the dry region of North Africa) in the removal of H2S in aqueous solution was investigated. The obtained experimental results showed successful elimination of H2S through reaction with Stipa tenacissima fibers in an alkaline aqueous medium. The effect of Stipa tenacissimas mass, temperature ranging 20–60 °C, and aeration on sulfide removal efficiency was examined. The study clearly revealed that the aeration processes enhanced the removal reaction, and the increase in temperature gave a better removal rate with an optimal mass ratio of Stipa tenacissima of 0.1 g to eliminate 0.2 mg H2S.

Graphical abstract


Air pollution Natural additive Removals of H2Stipa tenacissima fibers 


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Copyright information

© Saudi Society for Geosciences 2018

Authors and Affiliations

  1. 1.Research Unit of Materials, Environment and Energy, Faculty of Sciences of GafsaUniversity of GafsaGafsaTunisia
  2. 2.Water Researches and Technologies Center Borj-Cedria TechnoparkUninersity of CartageCarthageTunisia

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