Browsing Mahyun Ab Wahab, Dr. by Issue Date

Now showing items 1-3 of 3

    • Thermal analysis and pozzolanic index of rice husk ash at different grinding time 

      Ramadhansyah Putra, Jaya; Mahyun, Ab Wahab; Salwa, Mohd Zaini Makhtar; Abu Bakar; Megat Azmi, Megat Johari; Mohd Haziman, Wan Ibrahim (Elsevier B.V., 2012)
      Thermo-gravimetric and differential thermo-gravimetric analyses were performance to study the effect of temperature on the mineralogical compositions of rice husk ash subjected to different grinding time. Eight rice husk ...

    • Properties of concrete containing rice husk ash under sodium chloride subjected to wetting and drying 

      Ramadhansyah Putra, Jaya; Salwa, Mohd Zaini Makhtar; Mahyun, Ab Wahab; Abu Bakar; Megat Azmi, Megat Johari; Che Norazman, Che Wan (Elsevier B.V., 2012)
      In this study, the influences of different replacement levels of RHA blended cement concrete subjected to 5% NaCl solution with drying-wetting cycles was evaluated. For parametric study, RHA was used as a Portland cement ...

    • Use of alum and ferric sulphate for treating landfill leachate via coagulation Process: A comparative study 

      Noor Ainee, Zainol; Nur Adrina Nadia, Mohamad; Azlinda, Ghani; Mahyun, A.W.; Nabilah Aminah, Lutpi; Farah Naemah, Mohd Saad (Universiti Malaysia Perlis (UniMAP), 2019)
      Landfill leachate is a complex wastewater which may give potential problems to the environment. Besides the new treatment processes that has been implemented, coagulation and flocculation treatment are considered as the ...