Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Maratun Najiha Abu Tahari"'
Autor:
Zaitun Ghazali, Nabilah Suhaili, Maratun Najiha Abu Tahari, Mohd Ambar Yarmo, Nur Hasyareeda Hassan, Rizafizah Othaman
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 3249-3260 (2020)
Development of green sorbents to capture carbon dioxide (CO2) whilst minimising their environmental impacts has gained interest among scientists. Deep eutectic solvent has been proposed as a promising green solvent for CO2 separation. In this study,
Externí odkaz:
https://doaj.org/article/251fe8139d6241a982a34e0cb5e7840c
Autor:
Norliza Dzakaria, Maratun Najiha Abu Tahari, Fairous Salleh, Alinda Samsuri, Masitah Abdul Halim Azizi, Tengku Shafazila Tengku Saharuddin, Muhammad Rahimi Yusop, Wan Nor Roslam Wan Isahak, Mohamed Wahab Mohamed Hisham, Mohd Ambar Yarmo
Publikováno v:
Indonesian Journal of Chemistry, Vol 20, Iss 1, Pp 105-112 (2019)
The reduction behavior of nickel oxide (NiO) and zirconia (Zr) doped NiO (Zr/NiO) was investigated using temperature programmed reduction (TPR) using carbon monoxide (CO) as a reductant and then characterized using X-ray diffraction (XRD), nitrogen a
Externí odkaz:
https://doaj.org/article/2ea786fdaf80469ab7fd6e3afc2a1369
Publikováno v:
Key Engineering Materials. 908:379-384
The barium oxide impregnated iron(III) oxide (BaO/Fe2O3) adsorbent was synthesized by an ultrasonic-assisted method. The adsorbent was calcined at 200-500 °C and its adsorption capacity was measured. The ultrasonic-assisted synthesis generated well-
Autor:
Fairous Salleh, Mohd Nor Latif, Norliza Dzakaria, Mohd Ambar Yarmo, Mohd Razali Shamsuddin, Tengku Shafazila Tengku Saharuddin, Alinda Samsuri, Maratun Najiha Abu Tahari
Publikováno v:
International Journal of Hydrogen Energy. 46:24831-24844
Temperature programmed reduction (TPR) analysis was applied to investigate the chemical reduction progression behavior of molybdenum oxide (MoO3) catalyst. The composition and morphology of the reduced phases were characterized by X-ray diffraction s
Autor:
Mohd Ambar Yarmo, Maratun Najiha Abu Tahari, Fairous Salleh, Alinda Samsuri, Tengku Shafazila Tengku Saharuddin, Salma Samidin
Publikováno v:
International Journal of Hydrogen Energy. 46:24791-24805
The purposes of this study are to reduce Fe2O3 using hydrogen (H2) and carbon monoxide (CO) gases at a high temperature zone (500 °C–900 °C) by focusing on the influence of reduction gas concentrations. Reduction behavior of hematite (Fe2O3) at h
Autor:
Siti Sarahah Sulhadi, Fairous Salleh, Mohd Ambar Yarmo, Maratun Najiha Abu Tahari, Alinda Samsuri, Tengku Shafazila Tengku Saharuddin
Publikováno v:
International Journal of Hydrogen Energy. 46:24814-24830
The physical and chemical behaviour of bulk tungsten oxide (WO3) and Ni doped tungsten oxide (15% Ni/WO3) were examined by performing a temperature-programmed reduction (TPR) technique. The chemical composition, morphology, and surface composition of
Autor:
Azizul Hakim Lahuri, Siti Sarahah Sulhadi, Salma Samidin, Zaitun Ghazali, Norliza Dzakaria, Maratun Najiha Abu Tahari, Mohd Ambar Yarmo
Publikováno v:
Materials Science Forum. 1010:367-372
Porous surface of silica gel (SG) have been modified with alkyl fatty amine compounds (octadecylamine, ODA) via wet impregnation process. The ODA-based adsorbents were physically characterized by XRD. The presence of crystalline peaks on ODA/SG diffr
Autor:
Maratun Najiha Abu Tahari, Mohd Ambar Yarmo, Tengku Shafazila Tengku Saharuddin, Azizul Hakim Lahuri, Norliza Dzakaria, Tengku Sharifah Marliza, Mark Lee Wun Fui
Publikováno v:
Materials Science Forum. 1010:361-366
Surface modification of Fe2O3 by adding BeO was synthesized and calcined at different temperatures of 200-600 °C. The adsorbents were characterized by using XRD, N2 adsorption-desorption isotherm prior to performing CO2 adsorption and desorption stu
Autor:
Salma Samidin, Fairous Salleh, Azizul Hakim Lahuri, Norliza Dzakaria, Mohd Ambar Yarmo, Tengku Shafazila Tengku Saharuddin, Maratun Najiha Abu Tahari
Publikováno v:
Materials Science Forum. 1010:373-378
The reduction behaviour of cobalt doped with nickel oxide and undoped nickel oxide (NiO) by hydrogen (H2) in nitrogen (20%, v/v) and carbon monoxide (CO) in nitrogen (40%, v/v) atmospheres have been investigated by temperature programmed reduction (T
Autor:
Wan Nor Roslam Wan Isahak, Mohd Ambar Yarmo, Muhammad Rahimi Yusop, Maratun Najiha Abu Tahari, Siti Sarahah Sulhadi, Salma Samidin
Publikováno v:
Materials Science Forum. 1010:355-360
In this study, dolomite was heated under CO2and N2gases using fluidized bed reactor from 85 °C to 835 °C. Dolomite under N2atmosphere did not show any significant changes on its crystallite size, suggesting there is no significant chemical reaction