Now showing items 10-17 of 17

    • A highly efficient single chambered up-flow membrane-less microbial fuel cell for treatment of azo dye Acid Orange 7-containing wastewater 

      Thung, Wei Eng; Ong, Soon-An; Ho, Li Ngee; Wong, Yee Shian; Oon, Yoong Ling; Oon, Yoong Sin; Harvinder Kaur, Lehl; Fahmi, Muhammad Ridwan (Elsevier B.V., 2015-12-01)
      Single chambered up-flow membrane-less microbial fuel cell (UFML MFC) was developed to study the feasibility of the bioreactor for decolorization of Acid Orange 7 (AO7) and electricity generation simultaneously. The ...
    • Improvement of DOC removal by multi-stage AOP-biological treatment 

      Fahmi, Muhammad Ridwan; Wataru, Nishijima; Mitsumasa, Okada (Elsevier B.V., 2003-03)
      The single and multi-stages advanced oxidation process (AOP)-biological treatments were evaluated to apply for drinking water treatment, especially for the water containing less susceptible dissolved organic carbon (DOC) ...
    • Mechanism of turbidity and hardness removal in hard water sources by using Moringa oleifera 

      Fahmi, Muhammad Ridwan, Dr.; Nor Wahidatul Azura, Zainon Najib; Pang, Chan Ping; Nasrul, Hamidin, Dr. (Asian Network for Scientific, 2011)
      The objective of this study was to describe the mechanism of simultaneous removal of hardness and background turbidity in hard water for drinking water purpose by using Moringa oleifera (MO) that extracted with 1.0 M sodium ...
    • Performance evaluation of okra (abelmoschus esculentus) as coagulant for turbidity removal in water treatment 

      Fahmi, Muhammad Ridwan, Dr.; Nasrul, Hamidin, Dr.; Che Zulzikrami, Azner Abidin; Umi Fazara, Md. Ali, Dr.; Mohd Irfan Hatim, Mohamed Dzahir (Trans Tech Publications, 2014)
      The objective of this study is to evaluate the performance of turbidity removal in water by using Okra (Abelmoschus esculentus) as natural coagulant. The coagulation active agent in various Okra sections was extracted with ...
    • Physicochemical properties of pyrolitic carbon black from waste tyres 

      Umi Fazara, Md. Ali, Dr.; Ishak, Jainoo; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Fahmi, Muhammad Ridwan, Dr. (Trans Tech Publications, 2014)
      Waste tyres which are mainly generated from automotive industries have become a major environmental problem to the local authorities, the tyre industries and tyre dealer. When tyres are no longer usable due to worn-out, ...
    • Solar photocatalytic degradation of azo dye Reactive Black 5 in aqueous suspension of TiO2 

      Ong, Soon-An; Min, Ohm Mar; Ho, Li Ngee; Wong, Yee Shian; Fahmi Muhammad, Ridwan (IWA Publishing, 2011)
      Photocatalytic degradation of pollutants under solar light irradiation is an economically viable process and a very promising clean wastewater treatment technology. The aim of this study is to evaluate photocatalytic ...
    • Study of Methylene Blue color removal effectiveness by Moringa Oleifera and Alum 

      Nor Wahidatul Azura, Zainon Najib; Fahmi, Muhammad Ridwan, Dr.; Syakirah Afiza, Mohammed; Lim, Bee Sian (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This study was designed to investigate the efficiency of using two coagulants that is natural coagulant represent Moringa Oleifera (MO) and chemical coagulant represent Aluminium Sulfate (ALUM) in Methylene Blue (MB) color ...
    • Trend in azo dye reactive red 120 degradation by ozonation and advanced oxidation process 

      Fahmi, Muhammad Ridwan, Dr.; Li-Sze, Lai; Nazerry Rosmady, Rahmat; Che Zulzikrami Azner, Abidin; Ong, Soon An; Umi Fazara, Md. Ali (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this study, the trend of azo dye degradation by ozonation and advanced oxidation process was evaluated base on colour and COD removal efficiency of Reactive Red 120. In addition, FT-IR spectrum was analysed to determine ...