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

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  • Publication
    Decolorization and mineralization of Amaranth dye using multiple zoned aerobic and anaerobic baffled constructed wetland
    ( 2017-08-03)
    Harvinder Kaur Lehl
    ;
    Ong Soon An
    ;
    Ho Li Ngee
    ;
    Wong Yee Shian
    ;
    Farah Naemah Mohd Saad
    ;
    Oon Yoong Ling
    ;
    Oon Yoong Sin
    ;
    Thung Wei Eng
    ;
    Yong Chin Yii
    The objective of this study is to determine the reduction efficiency of Chemical Oxygen Demand (COD) as well as the removal of color and Amaranth dye metabolites by the Aerobic–anaerobic Baffled Constructed Wetland Reactor (ABCW). The ABCW reactor was planted with common reed (Phragmite australis) where the hydraulic retention time (HRT) was set to 1 day and was fed with synthetic wastewater with the addition of Amaranth dye. Supplementary aeration was supplied in designated compartments of the ABCW reactor to control the aerobic and anaerobic zones. After Amaranth dye addition the COD reduction efficiency dropped from 98 to 91% while the color removal efficiency was 100%. Degradation of azo bond in Amaranth dye is shown by the UV–Vis spectrum analysis which demonstrates partial degradation of Amaranth dye metabolites. The performance of the baffled unit is due to the longer pathway as there is the up-flow and down-flow condition sequentially, thus allowing more contact of the wastewater with the rhizomes and micro-aerobic zones.
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