The spent fluid catalytic cracking (FCC) catalyst has been loaded with ferric oxide (Fe2O3) and titanium dioxide (TiO2). Fe-Ti/SF composite (loaded with 5 wt% TiO2 and 5 wt% Fe2O3), Fe/SF composite (loaded with10 wt% Fe2O3) and Ti/SF composite (loaded with 10 wt% TiO2) have been fabricated via a modified-impregnation method. The band gaps of the Fe-Ti/SF, Fe/SF and Ti/SF composites (evaluated by the energy versus [F(R infinity)hv](n)) are 2.23, 1.98 and 3.0 eV, respectively. Electrochemical impedance spectroscopy shows that the Fe-Ti/SF has lower electron transfer resistance, it has the small charge transfer resistance and fast charge transfer rate. The interparticle electrons transfer between the Fe2O3 and TiO2, which can improve the separation of the photo-electrons and holes. The holes transfer from valence band of TiO2 to the valence band of Fe2O3, which can provide more active sites around the adsorbed molecules. The methylene blue degradation efficiencies (with the Fe-Ti/SF, Fe/SF and Ti/SF composites) are similar to 94.2%, similar to 22.3% and similar to 54.0% in 120 min, respectively. This work reveals that the spent FCC catalyst as supporter can be loaded with Fe2O3 and TiO2. This composite is highly suitable for degradation of methylene blue, which can provide a potential method to dispose the spent FCC catalyst in industry.
机构:
East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Peng, Zhibin
He, Zhongyi
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
He, Zhongyi
Li, Lili
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Li, Lili
Xiong, Liping
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Xiong, Liping
Fan, Min
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Jiangxi Acad Sci, Inst Energy Res, Nanchang, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
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Anna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
Velanganni, S.
Pravinraj, S.
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Anna Univ, Dept Phys, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
Pravinraj, S.
Immanuel, P.
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Anna Univ, Dept Phys, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
Immanuel, P.
Thiruneelakandan, R.
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Anna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
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Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Olivo-Alanis, Daniel
Montserrat Atilano-Camino, Marina
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Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Montserrat Atilano-Camino, Marina
Garcia-Gonzalez, Alcione
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Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Garcia-Gonzalez, Alcione
Humberto-Alvarez, Luis
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Inst Tecnol Sonora ITSON, Dept Ciencias Agron & Vet, 5 Febrero 818 Sur, Obregon 85000, Sonora, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Humberto-Alvarez, Luis
Bernardo Garcia-Reyes, Refugio
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Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
机构:
East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Peng, Zhibin
He, Zhongyi
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
He, Zhongyi
Li, Lili
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Li, Lili
Xiong, Liping
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Xiong, Liping
Fan, Min
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East China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
Jiangxi Acad Sci, Inst Energy Res, Nanchang, Peoples R ChinaEast China Jiaotong Univ, Sch Mat Sci & Engn, Nanchang 330013, Peoples R China
机构:
Anna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
Velanganni, S.
Pravinraj, S.
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Anna Univ, Dept Phys, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
Pravinraj, S.
Immanuel, P.
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Anna Univ, Dept Phys, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
Immanuel, P.
Thiruneelakandan, R.
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Anna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, IndiaAnna Univ, Dept Chem, Bharathidasan Inst Technol BIT Campus, Tiruchirappalli 620024, Tamil Nadu, India
机构:
Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Olivo-Alanis, Daniel
Montserrat Atilano-Camino, Marina
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Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Montserrat Atilano-Camino, Marina
Garcia-Gonzalez, Alcione
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Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Garcia-Gonzalez, Alcione
Humberto-Alvarez, Luis
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Inst Tecnol Sonora ITSON, Dept Ciencias Agron & Vet, 5 Febrero 818 Sur, Obregon 85000, Sonora, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
Humberto-Alvarez, Luis
Bernardo Garcia-Reyes, Refugio
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h-index: 0
机构:
Univ Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, MexicoUniv Autonoma Nuevo Leon UANL, Fac Ciencias Quim, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico