Performance of nickel-based oxygen carrier produced using renewable fuel aloe vera

15th Asian Congress of Fluid Mechanics

物理学;力学

Afandi, N.F.^1 ; Devaraj, D.^1 ; Manap, A.^1 ; Ibrahim, N.^2

Department of Mechanical Engineering, College of Engineering, Jalan IKRAM-UNITEN, Selangor, Kajang

43000, Malaysia^1

Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia (UTHM), Parit Raja, Johor, Batu Pahat

86400, Malaysia^2

关键词: Air separation unit;    Calcination temperature;    Chemical-looping combustion;    Combustion pro-cess;    Crystalline structure;    Field emission microscopy;    High temperature;    Solution combustion method;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/822/1/012074/pdf
DOI  :  10.1088/1742-6596/822/1/012074

学科分类：力学，机械学

来源: IOP

【 摘 要 】

Consuming and burning of fuel mainly fossil fuel has gradually increased in this upcoming era due to high-energy demand and causes the global warming. One of the most effective ways to reduce the greenhouse gases is by capturing carbon dioxide (CO2) during the combustion process. Chemical looping combustion (CLC) is one of the most effective methods to capture the CO2without the need of an energy intensive air separation unit. This method uses oxygen carrier to provide O2that can react with fuel to form CO2and H2O. This research focuses on synthesizing NiO/NiAl2O4as an oxygen carrier due to its properties that can withstand high temperature during CLC application. The NiO/NiAl2O4powder was synthesized using solution combustion method with plant extract renewable fuel, aloe vera as the fuel. In order to optimize the performance of the particles that can be used in CLC application, various calcination temperatures were varied at 600°C, 800°C, 1050°C and 1300°C. The phase and morphology of obtained powders were characterized using X-ray diffraction (XRD) and Field Emission Microscopy (FESEM) respectively together with the powder elements. In CLC application, high reactivity can be achieved by using smaller particle size of oxygen carrier. This research succeeded in producing nano-structured powder with high crystalline structure at temperature 1050°C which is suitable to be used in CLC application.