Facile preparation of zeolite-activated carbon composite from coal gangue with enhanced adsorption performance

Li, Hui; Zheng, Feng; Wang, Jing; Zhang, Jianmin; Huang, Xiaohui; Chen, Lai; Hu, Pengfei; Gao, Jian-ming; Zhen, Qiang; Bashir, Sajid; Liu, Jingbo Louise

doi:10.1016/j.cej.2020.124513

Cited by 170 publications

(44 citation statements)

References 46 publications

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“…However, some strong and sharp diffraction peaks appear in the FAU zeolite, indicating the formation of a new crystalline substance. The characteristic peaks for FAU zeolite appeared at angles 2θ = 6.1 o ; 15.5 o ; 23.5 o ; 31 o which is consistent with the reference values for FAU zeolite [12,13]. Thus, it was found that under the condition of hydrothermal crystallization, the shift has been transferred from an amorphous structure of kaolin to form zeolite crystals.…”

Section: Characteristics Of Materialssupporting

confidence: 83%

Synthesis of Zeolite-Activated Carbon Composite for Removal of Ammonium From Aqueous Solution

Yến

Dong

Linh

et al. 2020

JST

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In this study, zeolite-activated carbon composite (Z/AC) was synthesized by hydrothermal reaction using kaolin as a source of silica and alumina. The synthesized materials were characterized by Brunner-Emmet-Teller (BET) surface area to calculate surface area, X-ray diffraction (XRD) to study the crystal structure of materials, Infrared spectroscopy (IR) to indicate the presence of functional groups on the surface and scanning electron microscopy (SEM) to determine the morphology of the composites. In this paper, adsorption equilibrium and kinetics for the removal of ammonium by prepared Z/AC materials were evaluated.

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Section: Characteristics Of Materialssupporting

confidence: 83%

Synthesis of Zeolite-Activated Carbon Composite for Removal of Ammonium From Aqueous Solution

Yến

Dong

Linh

et al. 2020

JST

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“…After loading MnO x , a slight increase in the surface area and pore volume can be observed, evidencing the well-dispersed active components. The nitrogen adsorption–desorption isotherms (see Supporting Information Figure S2c,d) display a type IV isotherm with H3 hysteresis, indicating mesopores’ presence in the Mn–Ti-3 and Mn/TiNR-3 catalysts . The Mn/TiNR-3 catalyst exhibits a much larger adsorption capacity than the Mn–Ti-3 catalyst, indicating its much larger specific surface area than the Mn–Ti-3 catalyst.…”

Section: Resultsmentioning

confidence: 99%

“…The nitrogen adsorption− desorption isotherms (see Supporting Information Figure S2c,d) display a type IV isotherm with H3 hysteresis, indicating mesopores' presence in the Mn−Ti-3 and Mn/ TiNR-3 catalysts. 17 The Mn/TiNR-3 catalyst exhibits a much larger adsorption capacity than the Mn−Ti-3 catalyst, indicating its much larger specific surface area than the Mn− Ti-3 catalyst. Of note is that the substrates with a high surface area can accommodate more active sites, which is beneficial to the SCR catalytic process.…”

Section: Methodsmentioning

confidence: 97%

Promotional Role of the TiO_x Nanorod Arrays as a Support to Load MnO_x for Low-Temperature NH₃-Selective Catalytic Reduction of NO_x: Comparison of Two Preparation Strategies

Liu

Zheng

et al. 2021

Energy Fuels

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It is essential to design and exploit high-efficiency denitration catalysts at low temperatures (100−300 °C). In this article, we propose an effective strategy to fabricate a series of catalysts by loading MnO x onto TiO x nanorod arrays with the solimpregnation method (denoted as Mn/TiNR catalysts), which show promising lowtemperature denitration efficiency in the temperature range of 100−300 °C. By the characterizations of physical properties and chemical compositions, it is found that TiO x nanorod arrays provide a high surface area to load the active sites and improve the interaction between Ti and Mn elements. In comparison with its counterpart that is prepared with a similar approach using the sol that contains both Mn and Ti (Mn−Ti catalysts), the Mn/TiNR catalysts have apparent advantages on the content of surface chemical oxygen, promoting the "fast SCR" reaction. This work provides an effective designation strategy for developing low-temperature selective catalytic reduction (SCR) catalysts via optimizing the interaction of active ingredients.

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“…Fe-MOF was prepared using a simple low temperature synthesis process from [8]. The synthesis was started by mixing 1,3,5-benzenetricarboxylic acid (C 9 H 6 O 6 ) and ferric nitrate (III) nanohydrate (Fe(NO 3 ) 3• 9H 2 O) at ambient pressure.…”

Section: Preparation Of Fe-mofmentioning

confidence: 99%

CO₂ Adsorption on Zeolites and Fe-MOF for Carbon Capture and Storage (CCS)

Daud

Najib

2022

JCEIB

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This research focused on the development of suitable materials for capturing and storing CO2 (CCS). Ferum-metal organic framework (Fe-MOF) and zeolite were prepared as adsorbents for the CO2 adsorption process. These adsorbents were characterised by employing X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR) analysers. The adsorptive capacity of CO2 was conducted in an assembled facility containing of a metallic tubular container set up with a pure CO2 gas stream from a cylinder-shaped tank. The performance of these two adsorbents was investigated using two different parameters which are operating pressure and dosage of adsorbents. The exit concentration of CO2 was analyzed periodically using gas chromatography. Based on the FTIR and XRD studies, the findings suggest that the zeolite and Fe-MOF were successfully formed. The optimal adsorption conditions obtained for both adsorbents were 0.3 g of adsorbent dose and 1 bar of operating pressure. In conclusion, zeolite exhibits better performance as a CO2 adsorber due to its higher adsorption capacity than Fe-MOF.

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Facile preparation of zeolite-activated carbon composite from coal gangue with enhanced adsorption performance

Cited by 170 publications

References 46 publications

Synthesis of Zeolite-Activated Carbon Composite for Removal of Ammonium From Aqueous Solution

Synthesis of Zeolite-Activated Carbon Composite for Removal of Ammonium From Aqueous Solution

Promotional Role of the TiO_x Nanorod Arrays as a Support to Load MnO_x for Low-Temperature NH₃-Selective Catalytic Reduction of NO_x: Comparison of Two Preparation Strategies

CO₂ Adsorption on Zeolites and Fe-MOF for Carbon Capture and Storage (CCS)

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Facile preparation of zeolite-activated carbon composite from coal gangue with enhanced adsorption performance

Cited by 170 publications

References 46 publications

Synthesis of Zeolite-Activated Carbon Composite for Removal of Ammonium From Aqueous Solution

Synthesis of Zeolite-Activated Carbon Composite for Removal of Ammonium From Aqueous Solution

Promotional Role of the TiOx Nanorod Arrays as a Support to Load MnOx for Low-Temperature NH3-Selective Catalytic Reduction of NOx: Comparison of Two Preparation Strategies

CO₂ Adsorption on Zeolites and Fe-MOF for Carbon Capture and Storage (CCS)

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Promotional Role of the TiO_x Nanorod Arrays as a Support to Load MnO_x for Low-Temperature NH₃-Selective Catalytic Reduction of NO_x: Comparison of Two Preparation Strategies