Farah Naemah Mohd Saad
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Farah Naemah Mohd Saad
Official Name
Farah Naemah, Mohd Saad
Alternative Name
Saad, Farah Naemah Mohd
Mohd Saad, F. N.
Saad, Farah N.
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Scopus Author ID
57189062082
Researcher ID
GGD-5412-2022

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  • Publication
    Adsorption of hydrogen sulfide (H2s) from municipal solid waste by using biochars
    ( 2022-12-15)
    Tengku Nuraiti Tengku Izhar
    ;
    Kee G.Z.
    ;
    Farah Naemah Mohd Saad
    ;
    Shayfull Zamree Abd. Rahim
    ;
    Irnis Azura Zakaria
    ;
    Che Besom
    ;
    Ibad M.
    ;
    Syafiuddin A.
    The emission of hydrogen sulfide (H2 S) from municipal solid waste is one of the environmental issues that raised the public’s attention and awareness. Exposure to H2 S that brings a foul smell of rotten eggs will cause headaches, irritation, dizziness, fatigue, and even death if the concentration of H2 S is too high. The study’s goals are to investigate the properties of biochars made from rice hulls, banana peels, and sawdust; to compare the biochars’ physical and chemical properties; and establish the H2 S removal efficiency of the three biochars. Biochars derived from rice hull (RHB-500), banana peel (BPB-550), and sawdust (SDB-500) by pyrolysis were used as the adsorbents. The biochar yield, pH, ash content, surface functional group, and morphology of the biochars produced were investigated. In this study, H2 S was synthesized by mixing food waste and soil in the experimental column. The H2S produced was reduced by the adsorption method. The removal efficiencies of H2 S for each biochar were determined by allowing the synthetic H2 S to flow through the two columns that were packed with sand (act as control) and biochars, respectively. All biochars were alkaline, and BPB-550 had the highest pH, followed by SDB-500 and finally RHB-500. The order for removal efficiency of H2 S (>94%) is BPB-550 > SDB-500 > RHB-500. Overall, the biochars derived from biomass had a strong ability to act as the adsorbents for H2S removal.
      32  1
  • Publication
    Phytoremediation potential of Azolla pinnata on water quality and nutrients from agricultural water
    ( 2022-09-01)
    Farah Naemah Mohd Saad
    ;
    Remlee N.N.
    ;
    Irnis Azura Zakaria
    ;
    Kamaruddin M.A.
    ;
    Tengku Nuraiti Tengku Izhar
    ;
    Ibrahim M.H.
    ;
    Alam M.
    ;
    Andini A.
    ;
    Ratnasari A.
    ;
    Boopathy R.
    ;
    Syafiuddin A.
    The area of polluted water expands day by day due to the rapid increase in agricultural activities. Application and the excessive amount of fertilizer in the agricultural activity can reduce the water quality. One of the alternative way to remove pollutants from polluted water is phytoremediation technique. This paper attempt to evaluate the potential of Azolla pinnata act as a phytoremediation to treat the agricultural water. Three types of media with different dosage which are tap water, water added with organic fertilizer (chicken manure: dosage range of 10–30 g), and water added with inorganic fertilizer (growing fertilizer: dosage range of 10–30 g) were employed. Media B10 (water added with 10 g organic fertilizer) had the highest removal 3– – efficiencies for NH3 –N, PO4, and NO3 with 25%, 38.5% and 30%. In addition, turbidity and pH value diminished to 15.65% and 18.6%, respectively. However, it indicated that Azolla pinnata has the potential as an agent of phytoremediation especially for water polluted with organic fertilizers.
      27  2