[01] Farhad Ghorbani Nazif, Department of Chemical Engineering, Sirjan Branch, Islamic Azad University, Sirjan, Iran. [02] Farshad Farahbod, Department of Chemical Engineering, Firoozabad Branch, Islamic Azad University, Firoozabad, Iran.

The mechanism of sulfur absorption by nano fluid in a packed bed under the magnetic field is considered, in this study. Environmental regulations have increasingly restricted sulfur dioxide emissions, forcing fuel processors to remove the sulfur from both fuels and exhaust gases. The experimental and theoretical investigation is done to obtain the outlet amount of sulfur in gas stream. Some parameters which show the amount of sulfur removal like rate of mass transfer and mass transfer coefficient, also effective rate of mass transfer and effective mass transfer coefficient are considered. In addition, the experimental results show, increase in the amount of nano zinc oxide from 0 to 0.013 vol% increases the amount of NA about 5.1%. The increase in the amount of nano zinc oxide from 0.013 to 0.1 (vol%) increases the amount of NA about 10%. Comparison between the results of NA when using amount of 0.21 and 0.24 (lit/min) of gas shows that the increase in the amount of gas flow for about 0.03 (lit /min) shows about 20% increase in the amount of NA, using 10 (vol%) of nano zinc oxide. Experiments show that the increase in vloume percentage of nano zinc oxide from 0 to 10% increases the amount of NA from 0.118 to 0.136 (mol/m³.s). The experimental results show, increase in the amount of nano zinc oxide may increase the turbulency under the magnetic field in absorbent liquid and may increase effective contact and the mass transfer. The obtained Figures are shown in the results and discussin section.

Absorption, Gas, Packed Bed, Zinc Oxide Nano Fluid, Sulfur Removal

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