Ru/hierarchical HZSM-5 zeolite as efficient bi-functional adsorbent/catalyst for bulky aromatic VOCs elimination

Wang, Yu; Yang, Dengyao; Li, Shaozhong; Chen, Mengqiu; Guo, Limin; Zhou, Jian

doi:10.1016/j.micromeso.2017.08.052

Cited by 103 publications

(33 citation statements)

References 47 publications

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“…The reduction profile of 2%Ru/NZ catalyst shows the reduction stages assigned to the reduction of iron oxide species and RuO 2 to metallic Ru through RuO. The same reduction behavior of ruthenium oxide species was also observed by other authors [ 46 ]. The reduction properties of ruthenium catalysts was also studied in reference [ 41 ].…”

Section: Resultssupporting

confidence: 80%

Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite

et al. 2020

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Biodiesel production from rapeseed oil and methanol via transesterification reaction facilitated by various monometallic catalyst supported on natural zeolite (NZ) was investigated. The physicochemical characteristics of the synthesized catalysts were studied by X-ray diffraction (XRD), Brunauer–Emmett–Teller method (BET), temperature-programmed-reduction in hydrogen (H2-TPR), temperature-programmed-desorption of ammonia (NH3-TPD), Scanning Electron Microscope equipped with EDX detector (SEM-EDS), and X-ray photoelectron spectroscopy (XPS) methods. The highest activity and methyl ester yields were obtained for the Pt/NZ catalyst. This catalyst showed the highest triglycerides conversion of 98.9% and fatty acids methyl esters yields of 94.6%. The activity results also confirmed the high activity of the carrier material (NZ) itself in the investigated reaction. Support material exhibited 90.5% of TG conversion and the Fatty Acid Methyl Esters yield (FAME) of 67.2%. Introduction of noble metals improves the TG conversion and FAME yield values. Increasing of the metal loading from 0.5 to 2 wt.% improves the reactivity properties of the investigated catalysts.

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Section: Resultssupporting

confidence: 80%

Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite

et al. 2020

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“…Wang et al found that Ru/hierarchical HZSM-5 catalyst could act as both adsorbent and catalyst for aromatic VOCs elimination under low concentration levels. 5 Besides, Yang et al reported that the hierarchical zeolite support could well improve the metal dispersion, the ratio of metal active sites and the toluene adsorption, and then the high catalytic performance during the toluene catalytic combustion. 6 However, the catalytic property of conventional supported catalysts is still insufficient for the industrial applications, because the supported metals remain on the surface of zeolites as bulky particles and tend to sinter, or agglomerate under reaction temperatures and pressures.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Pd₃@Beta for catalytic combustion of VOCs by efficient Pd₃ cluster and seed-directed hydrothermal syntheses

Sun

Yang

et al. 2020

RSC Adv.

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“…The efficiency of catalytic combustion is closely related to the catalyst . The key point is the development of high efficiency catalysts, which mainly include noble metal catalysts and non‐noble metal catalysts . Noble metal catalysts include platinum, palladium and so on.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Benzene Catalytic Combustion over Cu–Mn‐Ce/Al2O3 Particles

Wang

Yang

et al. 2020

ChemistrySelect

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Low concentration benzene is one of major components of volatile organic compounds (VOCs) which pollutes atmosphere. In this study, the influence of addition of cerium(Ce) and manganese(Mn) on alumina supported copper catalyst(Cu/γ‐Al2O3) for benzene combustion is studied, using X‐ray diffraction pattern (XRD), scanning electron microscopy (SEM) coupled with Energy‐dispersive X‐ray (EDX), hydrogen‐temperature programmed reduction(H2‐TPR) and Fourier transform infrared spectroscopy(FTIR). The Cu−Mn‐Ce catalyst with a molar ratio of 1:1.5:0.5 and 10% capacity exhibited catalytic performance with calcination temperature of 600 °C and gas hourly space velocity (GHSV) which is less than 2 h−1. Ce improves the formation of lattice oxygen(Olatt) while Mn is beneficial for the augment of surface oxygen(Osur) and adsorbed oxygen(Oads). Synergistic effect of Mn and Ce can further increase the content of surface oxygen and adsorbed oxygen, which improves catalytic activity. The inferred benzene combustion process is as follows: break of the C−H bound→ the breakage of benzene ring through the breaking of the C−C bond and the C=C bond→ generation of water and carbon dioxide.

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Ru/hierarchical HZSM-5 zeolite as efficient bi-functional adsorbent/catalyst for bulky aromatic VOCs elimination

Cited by 103 publications

References 47 publications

Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite

Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite

Fabrication of Pd₃@Beta for catalytic combustion of VOCs by efficient Pd₃ cluster and seed-directed hydrothermal syntheses

Experimental Study of Benzene Catalytic Combustion over Cu–Mn‐Ce/Al2O3 Particles

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Ru/hierarchical HZSM-5 zeolite as efficient bi-functional adsorbent/catalyst for bulky aromatic VOCs elimination

Cited by 103 publications

References 47 publications

Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite

Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite

Fabrication of Pd3@Beta for catalytic combustion of VOCs by efficient Pd3 cluster and seed-directed hydrothermal syntheses

Experimental Study of Benzene Catalytic Combustion over Cu–Mn‐Ce/Al2O3 Particles

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Fabrication of Pd₃@Beta for catalytic combustion of VOCs by efficient Pd₃ cluster and seed-directed hydrothermal syntheses