Efficient and reusable iron-zinc oxide catalyst for oxidative desulfurization of model fuel

被引:44
作者
Abdul-Kadhim, Wafaa [1 ,2 ]
Deraman, Mohd. Asyrak [1 ]
Abdullah, Syamsul Bahari [3 ]
Tajuddin, Saiful Nizam [1 ]
Yusoff, Mashitah Mohd. [1 ]
Taufiq-Yap, Yun Hin [4 ]
Rahim, Mohd. Hasbi Ab. [1 ,5 ]
机构
[1] Univ Malaysia Pahang, Fac Ind Sci & Technol, Gambang 26300, Pahang, Malaysia
[2] Univ Technol Baghdad, Oil Technol, Baghdad, Iraq
[3] Univ Malaysia Pahang, Fac Chem Engn & Nat Resources, Gambang 26300, Pahang, Malaysia
[4] Univ Putra Malaysia, Fac Sci, Catalysis Sci & Technol Res Ctr, Serdang 43400, Selangor, Malaysia
[5] Univ Malaysia Pahang, AEC, Pekan Campus, Pekan 26600, Pahang, Malaysia
关键词
Oxidative desulfurization; Fe-ZnO; Sol-gel; Fuel; Hydrogen peroxide; FE DOPED ZNO; PHOTOCATALYTIC ACTIVITY; DEEP DESULFURIZATION; METAL-OXIDES; DIESEL FUEL; DIBENZOTHIOPHENE; GASOLINE; HYDROGEN; SILICA; SYSTEM;
D O I
10.1016/j.jece.2017.03.001
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this study, Fe-ZnO catalyst synthesized via modified sol-gel technique with different Fe doping ratio (2, 3, and 5) wt% was explored for oxidative desulfurization (ODS) of model fuel. The sol-gel technique was adopted without the use of surfactants. The catalysts were characterized by several means of characterization techniques (TGA, XRD, FTIR, N-2-physisorption, XPS, FESEM-EDX and NH3-TPD). The characterization results clearly showed that sol-gel technique is a suitable method to synthesize highly crystalline metal oxide materials with smaller particle size, higher surface area and tunable acidic properties. The ODS reaction conditions and Fe metal loading were found to influence the dibenzothiophene (DBT) removal efficiency. The catalytic ODS data showed that Fe-ZnO with 5 wt% of Fe catalyst is capable in total removal of DBT within shorter reaction time under mild reaction conditions in the presence of H2O2 as an oxidant. The catalyst is reusable for six consecutive cycles of reaction without regeneration steps and the characteristic of spent catalyst was confirmed with XRD and FTIR analysis. The close catalytic cycle involving H2O2 as an oxidant was shown through proposed mechanistic pathway. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1645 / 1656
页数:12
相关论文
共 50 条
[1]  
Adeyi A.A., 2012, Res. J. Chem. Sci, V2, P14
[2]   Oxidative removal of dibenzothiophene in a biphasic system using sol-gel Fe-TiO2 catalysts and H2O2 promoted with acetic acid [J].
Arellano, U. ;
Wang, J. A. ;
Timko, M. T. ;
Chen, L. F. ;
Paredes Carrera, S. P. ;
Asomoza, M. ;
Gonzalez Vargas, O. A. ;
Llanos, M. E. .
FUEL, 2014, 126 :16-25
[3]   Visible light photocatalytic activity of Fe3+-doped ZnO nanoparticle prepared via sol-gel technique [J].
Ba-Abbad, Muneer M. ;
Kadhum, Abdul Amir H. ;
Mohamad, Abu Bakar ;
Takriff, Mohd S. ;
Sopian, Kamaruzzaman .
CHEMOSPHERE, 2013, 91 (11) :1604-1611
[4]  
Bakar WAWA, 2012, FUEL PROCESS TECHNOL, V101, P78, DOI DOI 10.1016/J.FUPR0C.2012.04.004
[5]   Structure and bonding in metal sulfoxide complexes: an update [J].
Calligaris, M .
COORDINATION CHEMISTRY REVIEWS, 2004, 248 (3-4) :351-375
[6]   Oxidative processes of desulfurization of liquid fuels [J].
Campos-Martin, J. M. ;
Capel-Sanchez, M. C. ;
Perez-Presas, P. ;
Fierro, J. L. G. .
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 2010, 85 (07) :879-890
[7]   Performance of molybdenum oxide in spent hydrodesulfurization catalysts applied on the oxidative desulfurization process of dibenzothiophene compounds [J].
Cedeno-Caero, Luis ;
Alvarez-Amparan, Marco A. .
REACTION KINETICS MECHANISMS AND CATALYSIS, 2014, 113 (01) :115-131
[8]   An efficient heterogeneous catalyst based on highly dispersed Na7H2LaW10O36•32H2O nanoparticles on mesoporous silica for deep desulfurization [J].
Chen, Yang ;
Zhao, Shen ;
Song, Yu-Fei .
APPLIED CATALYSIS A-GENERAL, 2013, 466 :307-314
[9]   Structural and dielectric properties of Fe doped ZnO nanoparticles [J].
Dinesha, M. L. ;
Prasanna, G. D. ;
Naveen, C. S. ;
Jayanna, H. S. .
INDIAN JOURNAL OF PHYSICS, 2013, 87 (02) :147-153
[10]  
Dutta A.M., 2012, INT J INNOV RES DEV, V1, P214