adsorption desulfurization
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Fuel ◽  
2022 ◽  
Vol 312 ◽  
pp. 122945
Author(s):  
Qingwen Shan ◽  
Juan Zhang ◽  
Yajuan Wang ◽  
Wenqiang Liu

Fuel ◽  
2021 ◽  
pp. 122696
Author(s):  
Lan li ◽  
Feng Ju ◽  
Yao Sun ◽  
Hui Pan ◽  
Hao Ling

Fuel ◽  
2021 ◽  
Vol 303 ◽  
pp. 121272
Author(s):  
Qian Zhang ◽  
Isabelle Jones ◽  
Mingming Zhu ◽  
Zhezi Zhang ◽  
Jian Gao ◽  
...  

2021 ◽  
pp. 126680
Author(s):  
Jiacheng Xu ◽  
Bo Zhang ◽  
Yongkang Lu ◽  
Leigang Wang ◽  
Wanyi Tao ◽  
...  

2021 ◽  
Vol 27 (7) ◽  
pp. 24-41
Author(s):  
Qusay Ghanim Finish ◽  
Tariq Mohammed Naife

The study aims to evaluate the removal of sulfur content from Iraqi light naphtha produced in Al-Dora refinery by adsorption desulfurization DS technique using modified activated carbon MAC loaded with nickel Ni and copper Cu as single binary metals. The experiments were carried in a batch unit with various operating parameters;  MAC dosage, agitation speed, and a contact time of 300 min at constant initial sulfur concentration 155 ppm and temperature. The results showed higher DS% by AC/Ni-Cu (66.45)% at 500 rpm and 1 g dosage than DS (29.03)% by activated carbon AC, increasing MAC dosage, agitation speed, and contact time led to increasing DS% values.  The adsorption capacity of MAC results was recorded (16, 15, and 20) mg sulfur/g MAC for AC/Ni, AC/Cu and, AC/Ni-Cu, respectively. Equilibrium isotherm study results show good fitting with Freundlich isotherm model with R2 value (0.95) for AC/Ni-Cu. The kinetic study results showed R2 value (0.974, 0.981, and 0.95) by pseudo first order and (0.96, 0.916 and, 0.909) by pseudo second order for AC/Ni, AC/Cu, and AC/Ni-Cu, respectively. The calculated qe(cal) (4.337-4.79) mg/g by first order model was the nearest to the obtained qe(exp) (5.125) mg/g by the experiments where no interparticle diffusion referring to more than one process is controlling the adsorption process of sulfur compounds by MAC.                                                                           


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