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    Start-up operation and hydraulic retention time selectivity for palm oil mill wastewater at mesophilic temperature in anaerobic suspended growth closed bioreactor 

    Wong, Yee Shian; Teng, Tjoon Tow; Ong, Soon-An; Norhashimah, Mamat; Mohd Rafatullah (Trans Tech Publications Inc., 2014)
    The start-up operation and hydraulic retention time (HRT) selectivity of anaerobic degradation for palm oil mill effluent (POME) wastewater was carried out in an anaerobic bioreactor. HRT between 35 and 5 days were ...
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    Coagulation-flocculation of azo dye acid orange 7 with green refined laterite soil 

    Lau, Yen Yie; Wong, Yee Shian; Teng, Tjoon Tow; Norhashimah, Morad; Mohd Rafatullah; Ong, Soon-An (Elsevier B.V., 2014-06-15)
    A novel degradation pathway of Acid Orange 7 (AO 7) by laterite soil in coagulation process is suggested. AO 7 has a strong azo bond links with benzene and naphthalene rings. The rings in AO 7 can be cleaved during coagulation ...
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    Effects of synthesis Ni doped Tio2 on Photocatalytic degradation process 

    Min, Ohm Mar; Ong, Soon-An; Wong, Yee Shian; Ho, Li Ngee (AENSI Publisher (American-Eurasian Network for Scientific Information, 2014)
    Titanium is opropoxide, Ethanol, Acetic acid and nickel chloride hexahydrate were used as reagents. The objectives of this study is to synthesize TiO2 and Ni doped TiO2 powders by using reflux sol-gel method and to compare ...
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    Suspended growth kinetic analysis on biogas generation from newly isolated anaerobic bacterial communities for palm oil mill effluent at mesophilic temperature 

    Wong, Yee Shian; Teng, Tjoon Tow; Ong, Soon-An; Norhashimah, Morad; Mohd Rafatullah (Royal Society of Chemistry, 2014)
    The anaerobic degradation of palm oil mill effluent (POME) was carried out under mesophilic temperature in an anaerobic suspended growth closed bioreactor (ASGCB). Monod model was applied to describe the kinetic analysis ...
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    Artificial aeration to enhance the mineralization of mono azo (methyl orange)-containing wastewater using recirculated up-flow constructed wetland 

    Ong, Soon-An; Ho, Li Ngee; Wong, Yee Shian; Chen, Siaw Fun (Gh. Asachi Technical University of Iasi, 2014)
    The aim of this study is to evaluate the treatment performance of mono azo dye Methyl Orange (MO)-containing wastewater by recirculated up-flow constructed wetland (UFCW) with and without supplementary aeration. The ...

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    Author
    Ong, Soon-An (5)
    Wong, Yee Shian (5)Mohd Rafatullah (3)Teng, Tjoon Tow (3)Ho, Li Ngee (2)... View MoreSubjectAzo dye (2)Acid Orange 7 (1)Anaerobic degradation process (1)Artificial aeration (1)Bacteria (1)... View MoreDate Issued
    2014 (5)

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