Catalytic removal of 1,2-dichloroethane over LaSrMnCoO<sub>6</sub>/H-ZSM-5 composite: insights into synergistic effect and pollutant-destruction mechanism

Tian, Mingjiao; Ma, Mudi; Xu, Bingang; Chen, Changwei; He, Chi; Hao, Zhixin; Albilali, Reem

doi:10.1039/c8cy00950c

Cited by 55 publications

(28 citation statements)

References 59 publications

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“…1,2-dichloroethane (1,2-DCE) is one of the most important chlorinated VOCs emitted in industrial flue gases, [801][802][803] since it is used as an intermediate in the production of polyvinyl chloride. Additional uses are as a solvent in metal degreasing and paint removers, a starting material for paint, and a dispersant for plastics and elastomers.…”

Section: 2-dichloroethanementioning

confidence: 99%

Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources

et al. 2019

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Section: 2-dichloroethanementioning

confidence: 99%

Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources

et al. 2019

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“…In recent years, zeolites with abundant acid solid [2,14,15,16] such as H-MOR, H-ZSM5, H-BETA, have received more attention, due to the abundant BrØnsted and Lewis acid selected to improve the adsorption and oxidation performance, and resistance to Cl poisoning. Weng et al [17] indicated that the Mn0.8Ce0.2O2 showed deactivation attributed to the accumulation of chloride or coke on the surface of Mn-Ce mixed oxides.…”

Section: Introductionmentioning

confidence: 99%

Improved Activity and Stability of Chlorobenzene Oxidation Over Transition Metal-Substituted Spinel-Type Catalysts Supported on Cordierite

Huang

Zhang

et al. 2021

Catal Lett

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Industrial catalysts usually encounter great challenges in Cl• deactivation, toxic by-products generation, and stability with a long running operation for catalytic oxidation of chlorinated volatile organic compounds (CVOCs). In this research, spinel-type oxides with transition metal substituted as active oxides supported on cordierite (Crd) was identified to catalytic degradation of chlorobenzene (CB). The Cu1.4Mn1.6O4 spinel-type oxides considered as the main active oxides have been identified, which were confirmed by XRD and TEM. The activities of these CuMxMn2-xO4 catalysts were markedly improved by lower calcining temperature and shorter time. CuCe0.25Mn1.75O4/Crd catalyst displayed the highest activity and good stability due to that CeO2 nano-rods structure conducive to increase the Oads amount, the dispersion of active oxides, the strength of weak acidity, the surface areas and pore volume. Moreover, spinel-type with CeO2 doping exhibited high performance in CVOCs elimination attributed to the high storage capacity of oxygen, plentiful oxygen vacancies, good efficiency in breaking C-Cl bond and the easy shuttles between Ce 3+ and Ce 4+ , which were demonstrated by XPS. The results indicate that CeO2, Oads, and •OH have beneficial effects on the removing Cl• into benzene, and then improving the ring-opening of CB for CB degradation.

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“…Hosseini 17 reported that LaMnO 3 /ZSM‐5 has a higher activity for 2‐propanol conversion than 1% Pt/Al 2 O 3 . Tian et al 18 synthesized a composite of LaSrMnCoO 6 /HZSM‐5 by hydrothermal method and found that HZSM‐5 improved the activity of perovskite catalyst. Compared with other zeolites like NaY, MOR, and Beta, ZSM‐5 has more acid sites and higher reducibility, which are beneficial for the supports of efficient catalysts 15 .…”

Section: Introductionmentioning

confidence: 99%

Investigation of LaMnO₃ catalyst loaded on HZSM‐5 zeolite for CO catalytic oxidation

Zhou

et al. 2021

Asia-Pacific J Chem Eng

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Due to the large amounts of CO pollutant from iron ore sintering and vehicle emissions, the control of CO emission becomes more and more important for the environment. To control the emission of CO more effectively, the catalysts of LaMnO3 perovskite with HZSM‐5 zeolite as support were prepared by sol–gel method. The structure and catalytic activities of catalysts were characterized and analyzed. According to the results of X‐ray diffraction (XRD) and energy‐dispersive X‐ray spectroscopy (EDS), the LaMnO3 perovskite phase is successfully obtained in all the supported catalysts. The average particle sizes of supported catalysts are in the range of 15–38 μm. Compared with the perovskite catalysts loaded on other kinds of supports, LaMnO3 supported with HZSM‐5 has a larger specific surface area (SSA). The SSAs of supported catalysts with different loading amount are in the range of 190–300 m2/g. The HZSM‐5 support improves the catalytic activity of LaMnO3 catalyst by increasing the SSA. The activity of supported catalyst becomes higher when the loading amount increases from 20% to 60%. The catalyst with 60% perovskite loaded shows the best activity in CO catalytic oxidation. The CO conversion of 60LM/HZSM‐5 attains 50% and 90% at 172.7°C and 201.5°C, respectively. The activities of catalysts with 80% and 100% perovskite loaded decrease due to the accumulated pores formed by too much perovskite. The supported catalysts exhibit favorable activities in consecutive reaction cycles. It turns out that HZSM‐5 support is appropriate for the synthesis of active perovskite catalysts for CO oxidation.

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Catalytic removal of 1,2-dichloroethane over LaSrMnCoO₆/H-ZSM-5 composite: insights into synergistic effect and pollutant-destruction mechanism

Abstract: The synergy between LaSrMnCoO6 and H-ZSM-5 in the catalytic destruction of 1,2-dichloroethane based on the dechlorination and dehydrochlorination processes.

Cited by 55 publications

References 59 publications

Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources

Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources

Improved Activity and Stability of Chlorobenzene Oxidation Over Transition Metal-Substituted Spinel-Type Catalysts Supported on Cordierite

Investigation of LaMnO₃ catalyst loaded on HZSM‐5 zeolite for CO catalytic oxidation

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Catalytic removal of 1,2-dichloroethane over LaSrMnCoO6/H-ZSM-5 composite: insights into synergistic effect and pollutant-destruction mechanism

Abstract: The synergy between LaSrMnCoO6 and H-ZSM-5 in the catalytic destruction of 1,2-dichloroethane based on the dechlorination and dehydrochlorination processes.

Cited by 55 publications

References 59 publications

Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources

Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources

Improved Activity and Stability of Chlorobenzene Oxidation Over Transition Metal-Substituted Spinel-Type Catalysts Supported on Cordierite

Investigation of LaMnO3 catalyst loaded on HZSM‐5 zeolite for CO catalytic oxidation

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Catalytic removal of 1,2-dichloroethane over LaSrMnCoO₆/H-ZSM-5 composite: insights into synergistic effect and pollutant-destruction mechanism

Investigation of LaMnO₃ catalyst loaded on HZSM‐5 zeolite for CO catalytic oxidation