Now showing items 1-6 of 6

    • Adsorption behavior of cationic and anionic dyes onto acid treated coconut coir 

      Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian; Asraff, Zainuddin (Taylor and Francis Group, LLC., 2013-09)
      The adsorption of Methylene Blue (MB) and Acid Orange 7 (AO7) from aqueous solutions by acid treated coconut coir was investigated under laboratory conditions to assess its potential in removing cationic and anionic dyes. ...
    • Adsorption efficiency of garcinia mangostana linn. (GML) shells based activated carbon 

      Nabilah Aminah, Lutpi; W. Fadhilah, W. M. Khalik; Che Ku Kairulazam, Che Ku Abdullah; Wong, Yee Shian; Ong, Soon An, Dr.; Tengku Nuraiti, Tengku Izhar (Trans Tech Publications, 2013)
      The objective of this study is to investigate the adsorption efficiency of Garcinia Mangostana Linn. (GML) shells based activated carbon using two synthetic dyes which are methylene blue and acid orange 7. The parameters ...
    • 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 ...
    • Comparative study on photocatalytic degradation of mono azo dye acid orange 7 and methyl orange under solar light irradiation 

      Ong, Soon An, Dr.; Ohm, Mar Min; Ho, Li Ngee, Dr.; Wong, Yee Shian (Springer Science+Business Media B.V., 2012-09)
      The objective of this study was to investigate and compare the kinetic photocatalytic degradation of mono azo dyes Acid Orange 7 (AO7) and Methyl Orange (MO) under solar light irradiation with titanium dioxide (TiO 2) as ...
    • Photocatalytic mineralization of azo dye Acid Orange 7 under solar light irradiation 

      Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian; Ohm, Mar Min; Lai, Li Sze; Khiew, Siee Kung; Viswanathan, Murali (Desalination Publications, 2012)
      The objective of this study was to investigate mineralization of hazardous water soluble azo dye Acid Orange 7 (AO7) under photocatalytic process. In this experiment, sunlight was used as the source for UV irradiation and ...
    • Sorption of methylene blue and acid orange 7 onto ananas comosus peels and leaves based activated carbon 

      Nabilah Aminah, Lutpi; Nurul Najiha, Jamil; Che Ku Kairulazam, Che Ku Abdullah; Wong, Yee Shian; Ong, Soon An, Dr.; Tengku Nuraiti, Tengku Izhar (Trans Tech Publications, 2013)
      The adsorption of Methylene Blue (MB) and Acid Orange 7 (AO7) dye onto Ananas Comosus Mixed Peels and Leaves (ACMPL) were carried out by conducting four different parameters such as initial concentration, pH, dosage of ...