☆ 4.7 Article

To be support or promoter: the mode of introducing ceria into commercial V2O5/TiO2 catalyst for enhanced Hg0 oxidation

JOURNAL OF HAZARDOUS MATERIALS (2023)

Related references

Note: Only part of the references are listed.

Article Energy & Fuels

Vanadium-density-dependent reactivity for simultaneous removal of NOx and Hg0 over V2O5/TiO2 catalyst

Jianqiang Shi et al.

Summary: This study investigated the reaction characteristics of different vanadium species in the catalytic removal of NOx and Hg0. The researchers found that increasing the density of VOx can enhance the reaction rate of Hg0 oxidation, with a maximum amount of V5+ achieved at monolayer coverage. These findings provide insights for the effective design of vanadium-based catalysts for multipollutant control.

FUEL (2023)

Add to Collection

Article Chemistry, Physical

Change in the Electronic Environment of the VOx Active Center via Support Modification to Enhance Hg Oxidation Activity

Woonsuk Yeo et al.

Summary: Density functional theory calculations were performed to investigate the change in Hg oxidation reactivity caused by support tuning methods, and to elucidate the change in the electronic environment at the active site. The phase control to the TiO2 support was found to improve the Hg oxidation activity, while the reduction treatment decreased the activity due to the change in charge density at V2O5. Furthermore, the interaction between the V site and surface Cl was found to critically contribute to the change in Hg oxidation reactivity.

ACS CATALYSIS (2023)

Add to Collection

Article Engineering, Environmental

A kinetic study of Hg(0) oxidation over Mo-promoted V-based SCR catalyst

Can Li et al.

Summary: In this study, the impact of HCl and NH3 on Hg(0) oxidation catalytic reaction was investigated through real-time Hg(0) oxidation experiment and X-ray Absorption Near-Edge Structure analysis. The research revealed that Hg(0) oxidation is influenced by the combined action of HCl and O-2. HgCl2 was identified as the major mercury species formed on the spent catalyst under typical flue gas conditions.

CHEMICAL ENGINEERING JOURNAL (2022)

Add to Collection

Article Engineering, Environmental

Satisfactory Anti-Interference and High Performance of the 1Co-1Ce/Mn@ZSM-5 Catalyst for Simultaneous Removal of NO and Hg0 in Abominable Flue Gas

Huawei Zhang et al.

Summary: The performance of Mn@ZSM-5 catalyst was improved by doping with different molar ratios of Co/Ce, resulting in better removal efficiency of NO and Hg-0 in high-temperature flue gas. The doping of Co and Ce also enhanced the resistance of the catalyst to SO2 and H2O.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

Add to Collection

Article Engineering, Environmental

Coordinatively Unsaturated Selenides over CuFeSe2 toward Highly Efficient Mercury Immobilization

Hailong Li et al.

Summary: Metal selenides have shown promise as Hg-0 remediators, but their inadequate adsorption rate has limited their feasibility. This study introduced a novel strategy to enhance the adsorption rate by adjusting the selenide saturation. Copper iron diselenide was used as a concentrator of unsaturated selenides, showing significantly higher adsorption rates compared to previous metal selenides. CuFeSe2 exhibited excellent resistance and applicability in real-world conditions.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

Add to Collection

Article Chemistry, Multidisciplinary

A Sulfur-Tolerant MOF-Based Single-Atom Fe Catalyst for Efficient Oxidation of NO and Hg0

Weijie Yang et al.

Summary: A new single-atom catalyst Fe-1-N-4-C with excellent catalytic activity and sulfur resistance has been developed for the oxidation of NO and Hg-0, showing promising potential for cleaner coal-fired power plant operations.

ADVANCED MATERIALS (2022)

Add to Collection

Article Energy & Fuels

Coal-based sulfur hybrid sorbent for removal of Hg0 from flue gas. Part 1. High inorganic sulfur coal

Qihuang Huo et al.

Summary: A novel sulfur hybrid mercury sorbent was successfully prepared by chemically activating high inorganic sulfur coal using potassium hydroxide, which showed excellent mercury removal performance at high temperatures, high specific surface area, and adsorption capacity, as well as good resistance to various gases.

FUEL (2022)

Add to Collection

Article Engineering, Environmental

Co-regulation of dispersion, exposure and defect sites on CeO2 (111) surface for catalytic oxidation of Hg0

Haitao Zhao et al.

Summary: CeO2-based catalysts show high efficiency in catalytic oxidation of Hg-0, with the synergistic interactions between Ce and Mo facilitating the formation of defect-containing surface sites. Regulating the dispersion, exposure, and defect sites on CeO2(111) surface provides a feasible approach to enhancing the oxidation of Hg-0 for efficient removal of environmental pollutants.

JOURNAL OF HAZARDOUS MATERIALS (2022)

Add to Collection

Review Engineering, Environmental

A review on removal of mercury from flue gas utilizing existing air pollutant control devices (APCDs)

Ying Li et al.

Summary: This review summarizes the recent progress of mercury removal from flue gas by existing air pollution control devices (APCDs). The sulfuric acid desulfurization system can remove most of Hg2+, while the hybrid fabric filters (HFs) are effective in removing HgP and part of Hg2+. However, the removal of Hg-0 is still a challenge.

JOURNAL OF HAZARDOUS MATERIALS (2022)

Add to Collection

Article Engineering, Environmental

Structure-Directing Role of Support on Hg-0 Oxidation over V2O5/TiO2 Catalyst Revealed for NOx and Hg-0 Simultaneous Control in an SCR Reactor

Jianqiang Shi et al.

Summary: The crystal structure of TiO2 significantly affects the catalytic performance of supported active sites. In this study, different crystal forms of TiO2 were synthesized and used as supports for V2O5-based catalysts for Hg-0 oxidation. The results showed that V2O5/TiO2-B exhibited the highest Hg-0 oxidation efficiency due to its lower redox temperature, larger HCl adsorption capacity, and more oxygen vacancies. The study also suggested that a combination of anatase and brookite TiO2-supported vanadyl tandem catalysts should be employed in the SCR reactor for simultaneous removal of NOx and Hg-0.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

Add to Collection

Article Chemistry, Physical

Roles of Ru on the V2O5-WO3/TiO2 Catalyst for the Simultaneous Purification of NOx and Chlorobenzene: A Dechlorination Promoter and a Redox Inductor

Zijian Song et al.

Summary: The effects of Ru on the V2O5-WO3/TiO2 catalyst in NOx and chlorobenzene (CB) simultaneous controls were studied. Ru modification promoted the C-Cl cleavage and decreased polychlorinated species. It enhanced the electron capability and narrowed the band gap of vanadium, weakened the Lewis acid sites, and lowered the energy barriers of C-Cl cleavage.

ACS CATALYSIS (2022)

Add to Collection

Article Engineering, Environmental

Charge-distribution modulation of copper ferrite spinel-type catalysts for highly efficient Hg0 oxidation

Yingju Yang et al.

Summary: The study proposed a strategy of charge distribution modulation to design novel catalysts, and successfully developed copper ferrite spinel-type catalysts with superior catalytic performance that can efficiently oxidize Hg-0 over a wide temperature range. The research also revealed the mechanism and key steps of Hg-0 oxidation on copper ferrite.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Add to Collection

Article Engineering, Environmental

An experimental and DFT study on enhanced elemental mercury removal performance via cerium chloride modified carbon aerogel: A synergistic effect between chemical adsorption and thermal catalysis

Yang Ling et al.

Summary: This study successfully synthesized CeCl3 modified CA, which can effectively capture and oxidize Hg-0 with a removal efficiency of up to 98%. The mechanism of mercury removal was discussed in detail based on DFT, providing new insights for heavy metal pollution control in coal-fired power plants.

CHEMICAL ENGINEERING JOURNAL (2021)

Add to Collection

Article Engineering, Environmental

Boosting nitrous oxide direct decomposition performance based on samarium doping effects

Hao Liu et al.

Summary: A series of Sm-doped Co3O4 catalysts were synthesized by the sol-gel method, with Sm significantly enhancing the N2O decomposition activity. The incorporation of Sm distorted the Co3O4 lattice and promoted oxygen vacancy generation, leading to a redox cycle between Co and Sm species. In situ Raman and in situ NAP-XPS results indicated that this redox cycle is the main reason for the accelerated N2O decomposition efficiency with Sm doping.

CHEMICAL ENGINEERING JOURNAL (2021)

Add to Collection

Article Engineering, Environmental

Different Crystal Forms of ZnS Nanomaterials for the Adsorption of Elemental Mercury

Yang Yang et al.

Summary: ZnS is a promising sorbent for recovering Hg-0 from industrial flue gas due to its excellent Hg-0 adsorption capacity. The specific surface area and S active sites were found to be key factors in determining Hg-0 removal performance, with S-S-x showing a high affinity for Hg-0 adsorption.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

Add to Collection

Review Engineering, Environmental

Multipollutant Control (MPC) of Flue Gas from Stationary Sources Using SCR Technology: A Critical Review

Dong Wang et al.

Summary: The emission of gaseous pollutants from fossil fuel combustion poses a serious environmental challenge, with the use of SCR systems to convert pollutants into harmless substances highlighted as a practical approach. However, developing catalysts suitable for large-scale commercialization remains challenging, and the efficiency of simultaneous elimination depends on catalyst composition and flue gas parameters.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2021)

Add to Collection

Article Chemistry, Physical

Structure-activity relationship of VOx/TiO2 catalysts for mercury oxidation: A DFT study

Dongjae Shin et al.

Summary: By utilizing density functional theory calculations, the study demonstrates the relationship between the coordinative environment of V in the VOx/TiO2 catalyst and the catalytic activity towards Hg-0 oxidation, as well as the effect of hydroxylation. Mechanistic estimation of the Hg-0 oxidation activity and calculation of the thermodynamic stabilities of the catalyst models suggest thermodynamic conditions that favor high catalytic activity.

APPLIED SURFACE SCIENCE (2021)

Add to Collection

Review Engineering, Environmental

Heterogeneous Reaction Mechanisms and Functional Materials for Elemental Mercury Removal from Industrial Flue Gas

Haomiao Xu et al.

Summary: This study discusses the principles and applications of solid materials in the treatment of gaseous mercury, including processes such as catalytic oxidation, physical adsorption, and chemical adsorption. Overcoming surface bonding energies can convert Hg-0 to Hg2+ via a catalytic process, while strong bonding energies ensure chemical adsorption and solidify mercury on the surface.

ACS ES&T ENGINEERING (2021)

Add to Collection

Article Chemistry, Physical

MoO3-adjusted δ-MnO2 nanosheet for catalytic oxidation of Hg0 to Hg2+

Haitao Zhao et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Add to Collection

Article Engineering, Environmental

Effects of anaerobic SO2 treatment on nano-CeO2 of different morphologies for selective catalytic reduction of NOx with NH3

Jianjun Chen et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Add to Collection

Article Chemistry, Physical

Effects of impregnation sequence for Mo-modified V-based SCR catalyst on simultaneous Hg(0) oxidation and NO reduction

Can Li et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Add to Collection

Article Engineering, Environmental

Insights into the catalytic behavior of LaMnO3 perovskite for Hg0 oxidation by HCl

Zhen Wang et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

Add to Collection

Article Engineering, Environmental

Acceleration of Hg0 Adsorption onto Natural Sphalerite by Cu2+ Activation during Flotation: Mechanism and Applications in Hg0 Recovery

Jian Mei et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

Add to Collection

Article Engineering, Environmental

Adsorption of mercury species on selected CuS surfaces and the effects of HCl

Yahui Wang et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Add to Collection

Article Chemistry, Physical

The poisoning mechanism of gaseous HCl on low-temperature SCR catalysts: MnOx-CeO2 as an example

Shangchao Xiong et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Add to Collection

Article Chemistry, Multidisciplinary

Coverage-Dependent Behaviors of Vanadium Oxides for Chemical Looping Oxidative Dehydrogenation

Sai Chen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Add to Collection

Article Engineering, Environmental

Roles of Oxygen Vacancies in the Bulk and Surface of CeO2 for Toluene Catalytic Combustion

Ziang Su et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

Add to Collection

Article Chemistry, Physical

Improved Activity and SO2 Resistance by Sm-Modulated Redox of MnCeSmTiOx Mesoporous Amorphous Oxides for Low-Temperature NH3-SCR of NO

Bing Wang et al.

ACS CATALYSIS (2020)

Add to Collection

Article Engineering, Environmental

Synergetic removal of elemental mercury and NO over TiCe0.25Sn0.25Ox catalysts from flue gas: Performance and mechanism study

Bo Yang et al.

CHEMICAL ENGINEERING JOURNAL (2019)

Add to Collection

Article Chemistry, Physical

Simultaneous removal of Hg0 and NO in simulated flue gas on transition metal oxide M′ (M′ = Fe2O3, MnO2, and WO3) doping on V2O5/ZrO2-CeO2 catalysts

Lingkui Zhao et al.

APPLIED SURFACE SCIENCE (2019)

Add to Collection

Review Thermodynamics

A review on mercury in coal combustion process: Content and occurrence forms in coal, transformation, sampling methods, emission and control technologies

Shilin Zhao et al.

PROGRESS IN ENERGY AND COMBUSTION SCIENCE (2019)

Add to Collection

Article Engineering, Environmental

Cost-Effective Manganese Ore Sorbent for Elemental Mercury Removal from Flue Gas

Yingju Yang et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2019)

Add to Collection

Article Chemistry, Physical

Vanadium-density-dependent thermal decomposition of NH4HSO4 on V2O5/TiO2 SCR catalysts

Tong Tong et al.

CATALYSIS SCIENCE & TECHNOLOGY (2019)

Add to Collection

Article Chemistry, Physical

The enhancement of CuO modified V2O5-WO3/TiO2 based SCR catalyst for Hgo oxidation in simulated flue gas

Chuanmin Chen et al.

APPLIED SURFACE SCIENCE (2018)

Add to Collection

Article Engineering, Environmental

Simultaneous removal of NO and Hg0 over Ce-Cu modified V2O5/TiO2 based commercial SCR catalysts

Guilong Chi et al.

JOURNAL OF HAZARDOUS MATERIALS (2017)

Add to Collection

Article Engineering, Environmental

Experimental and theoretical studies of mercury oxidation over CeO2 - WO3/TiO2 catalysts in coal-fired flue gas

Yingju Yang et al.

CHEMICAL ENGINEERING JOURNAL (2017)

Add to Collection

Article Chemistry, Physical

Simultaneous removal of elemental mercury and NO in simulated flue gas over V2O5/ZrO2-CeO2 catalyst

Lingkui Zhao et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2016)

Add to Collection

Article Engineering, Environmental

Novel Effective Catalyst for Elemental Mercury Removal from Coal-Fired Flue Gas and the Mechanism Investigation

Wanmiao Chen et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2016)

Add to Collection

Article Engineering, Environmental

Mechanism of Heterogeneous Mercury Oxidation by HBr over V2O5/TiO2 Catalyst

Zhen Wang et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2016)

Add to Collection

Article Chemistry, Physical

Influence of VOX, surface density and vanadyl species on the selective catalytic reduction of NO by NH3 over VUx/TiO2 for superior catalytic activity

Dong Wook Kwon et al.

APPLIED CATALYSIS A-GENERAL (2015)

Add to Collection

Article Chemistry, Physical

Effect of rutile phase on V2O5 supported over TiO2 mixed phase for the selective catalytic reduction of NO with NH3

Shule Zhang et al.

APPLIED SURFACE SCIENCE (2014)

Add to Collection

Article Environmental Sciences

Effect of Ce doping of TiO2 support on NH3-SCR activity over V2O5-WO3/CeO2-TiO2 catalyst

Kai Cheng et al.

JOURNAL OF ENVIRONMENTAL SCIENCES (2014)

Add to Collection

Article Engineering, Environmental

Impact of SO2 on elemental mercury oxidation over CeO2-TiO2 catalyst

Hailong Li et al.

CHEMICAL ENGINEERING JOURNAL (2013)

Add to Collection

Editorial Material Multidisciplinary Sciences

Mercury and Health

Marcia McNutt

SCIENCE (2013)

Add to Collection

Article Chemistry, Physical

Superior activity of MnOx-CeO2/TiO2 catalyst for catalytic oxidation of elemental mercury at low flue gas temperatures

Hailong Li et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2012)

Add to Collection

Article Engineering, Environmental

Role of flue gas components in mercury oxidation over TiO2 supported MnOx-CeO2 mixed-oxide at low temperature

Hailong Li et al.

JOURNAL OF HAZARDOUS MATERIALS (2012)

Add to Collection

Article Chemistry, Physical

Effect of Reactor Materials on the Properties of Titanium Oxide Nanotubes

Alon Danon et al.

ACS CATALYSIS (2012)

Add to Collection

Article Engineering, Environmental

Significance of RuO2 Modified SCR Catalyst for Elemental Mercury Oxidation in Coal-fired Flue Gas

Naiqiang Yan et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2011)

Add to Collection

Article Chemistry, Physical

A consistent and accurate ab initio parametrization of density functional dispersion correction (DFT-D) for the 94 elements H-Pu

Stefan Grimme et al.

JOURNAL OF CHEMICAL PHYSICS (2010)

Add to Collection

© Peeref 2019-2024. All rights reserved.