Browsing Fahmi Muhammad Ridwan,Assoc. Prof. Dr. by Author "Muhammad Ridwan, Fahmi"
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Decolourization of an azo dye in aqueous solution by ozonation in a semi-batch bubble column reactor
Che Zulzikrami Azner, Abidin; Muhammad Ridwan, Fahmi; Ong, Soon-An; Siti Nurfatin Nadhirah, Mohd Makhtar; Nazzery Rosmady, Rahmat (Science Society of Thailand under Royal Patronage, 2015-02)The oxidative degradation of the azo dye Reactive Red 120 by ozonation was investigated. The decolourization was carried out by bubbling ozone at the bottom of a bubble column reactor containing the dye solution. The colour, ... -
Evaluation on the molecular structure of azo dye in photocatalytic mineralization under solar light irradiation
Wan Fadhilah, Khalik; Ong, Soon-An; Ho, Li Ngee; Wong, Yee Shian; Nik Athirah, Yusoff; Muhammad Ridwan, Fahmi (Taylor and Francis Ltd., 2015-08-21)The aim of this study was to investigate the effects of number of sulphonic groups on solar photocatalytic degradation of Acid Orange 7 (AO7), Orange G (OG), New Coccine (NC), Reactive Black 5 (RB5) and Reactive Green 19 ...