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Li W, Yan D, Li L, Wen Z, Liu M, Lu S, Huang Q. Review of thermal treatments for the degradation of dioxins in municipal solid waste incineration fly ash: Proposing a suitable method for large-scale processing. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162565. [PMID: 36889396 DOI: 10.1016/j.scitotenv.2023.162565] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/26/2023] [Accepted: 02/26/2023] [Indexed: 06/18/2023]
Abstract
Dioxin degradation is considered essential for the environmentally sound management of municipal solid waste incineration fly ash (MSWIFA). Among the many degradation techniques, thermal treatment has shown good prospects owing to its high efficiency and wide range of applications. Thermal treatment is divided into high-temperature thermal, microwave thermal, hydrothermal, and low-temperature thermal treatments. High-temperature sintering and melting not only have dioxin degradation rates higher than 95 % but also remove volatile heavy metals, although energy consumption is high. High-temperature industrial co-processing effectively solves the problem of energy consumption, but with a low fly ash (FA) mixture, and the process is limited by location. Microwave thermal treatment and hydrothermal treatment are still in the experimental stage and cannot be used for large-scale processing. The dioxin degradation rate of low-temperature thermal treatment can also be stabilized at higher than 95 %. Compared to other methods, low-temperature thermal treatment is less costly and energy consumption with no restriction on location. This review comprehensively compares the current status of the above-mentioned thermal treatment methods and their ability to dispose of MSWIFA, especially the potential for large-scale processing. Then, the respective characteristics, challenges, and application prospects of different thermal treatment methods were discussed. Finally, based on the goal of low carbon and emission reduction, three possible approaches for improvement were proposed to address the challenges of large-scale processing of low-temperature thermal treatment, namely, adding a catalyst, changing the FA fraction, or supplementing with blockers, providing a reasonable development direction for the degradation of dioxins in MSWIFA.
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Affiliation(s)
- Weishi Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China; College of Water Science, Beijing Normal University, Beijing 100085, China
| | - Daihai Yan
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China
| | - Li Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China.
| | - Zhuoyu Wen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China
| | - Meijia Liu
- State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China
| | - Shengxin Lu
- State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China
| | - Qifei Huang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Beijing 100012, China; College of Water Science, Beijing Normal University, Beijing 100085, China.
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Gannoun C, Ghorbel A, Gaigneaux EM. Influence of zirconia addition in TiO 2 and TiO 2-CeO 2 aerogels on the textural, structural and catalytic properties of supported vanadia in chlorobenzene oxidation. RSC Adv 2022; 12:10924-10932. [PMID: 35425082 PMCID: PMC8988661 DOI: 10.1039/d1ra08611a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/02/2022] [Indexed: 01/16/2023] Open
Abstract
This paper studies the effect of the direct incorporation of ZrO2 in TiO2 and TiO2-CeO2 aerogel supports prepared by sol-gel route on the physico-chemical and catalytic properties of supported vanadia catalysts in the total oxidation of chlorobenzene. The obtained catalysts have been characterized by means of ICP-AES, N2 adsorption-desorption at 77 K, XRD, XPS, H2-TPR and NH3-TPD. The results revealed that Zr-doped V2O5 based catalyst is beneficial for the improvement of catalytic properties in chlorobenzene total oxidation. In particular, in the absence of cerium groups, this beneficial effect is correlated with the better acidic properties or/and the stabilization of the V2O5 active phase in a higher oxidation state. However, in the case of cerium rich catalyst, this positive effect is much stronger thanks to the enhanced redox properties of V2O5/TiO2-CeO2-ZrO2.
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Affiliation(s)
- Chiraz Gannoun
- Centre National des Recherches en Sciences des Matériaux (CNRSM) Technopôle Borj Cedria, BP73 8027 Soliman Tunisia
| | - Abdelhamid Ghorbel
- Laboratoire de Chimie des Matériaux et Catalyse, Département de Chimie, Faculté des Sciences de Tunis, Campus Universitaire 2092 El Manar Tunis Tunisia
| | - Eric M Gaigneaux
- Université Catholique de Louvain, Institute of Condensed Matter and Nanosciences (IMCN), Division "Molecular Chemistry, Materials and Catalysis (MOST)" Place Louis Pasteur 1 L4.01.09 B-1348 Louvain-la-Neuve Belgium
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Tang M, Ye Q, Du C, Peng Y, Makwarimba CP, He Y, Lu S. PCDD/F removal at low temperatures over vanadium-based catalyst: insight into the superiority of mechanochemical method. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:7042-7052. [PMID: 34467487 DOI: 10.1007/s11356-021-15477-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/13/2021] [Indexed: 06/13/2023]
Abstract
The high toxicity and low volatility of PCDD/Fs prevent detailed study of their catalytic degradation removal characteristics. In this study, 1,2-dichlorobenzene (1,2-DCBz) was initially used as a model to investigate the catalytic characteristics of various vanadium-based catalysts prepared by different methods. Then, the optimized catalyst was used for catalytic degradation of real PCDD/Fs at low temperatures based on a self-made stable source. The VOx/TiO2 catalysts synthesized by the mechanochemical method (VTi-MC2) had a higher 1,2-DCBz removal efficiency (>85%) and stability (> 420 min) at low temperatures (< 200 °C) compared to VTi-SG (sol-gol method) and VTi-WI (wetness impregnation method). The physicochemical properties of catalysts were studied using comprehensive characterization. It was found that the VTi-MC2 has better VOx species distribution and possesses the highest V5+ species and surface adsorbed oxygen content, which are the key factors that contributed to the higher removal efficiency. Accordingly, the mechanochemical method can be used to control the physicochemical properties of catalysts by adjusting the milling parameters. The optimum ball milling time is 2 h and a suitable precursor is NH4VO3 for VOx/TiO2. Moreover, the removal efficiency and catalytic degradation efficiency of PCDD/Fs in gas phase catalyzed by VTi-MC2 were 97% and 50% respectively, within a range of temperatures below 200 °C, which are both higher than those reported research. In general, the mechanochemical strategy employed in this study provides a means for seeking more efficient catalysts used for low-temperature degradation of various trace organic pollutants.
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Affiliation(s)
- Minghui Tang
- State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qiulin Ye
- State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Cuicui Du
- State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yaqi Peng
- State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Chengetai Portia Makwarimba
- State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yao He
- POWERCHINA Central China Electric Power Engineering Co., Ltd., Zhengzhou, 450007, China
| | - Shengyong Lu
- State Key Laboratory for Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China.
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Abstract
As a byproduct of emerging as one of the world’s key producers of pharmaceuticals, China is now challenged by the emission of harmful pharmaceutical VOCs. In this review, the catalogue and volume of VOCs emitted by the pharmaceutical industry in China was introduced. The commonly used VOC removal processes and technologies was recommended by some typical examples. The progress of catalytic combustion, photocatalytic oxidation, non-thermal plasma, and electron beam treatment were presented, especially the development of catalysts. The advantages and shortages of these technologies in recent years were discussed and analyzed. Lastly, the development of VOCs elimination technologies and the most promising technology were discussed.
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6
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Study on the Catalytic Properties of Ru/TiO2 Catalysts for the Catalytic Oxidation of (Chloro)-Aromatics. Catal Letters 2019. [DOI: 10.1007/s10562-019-02802-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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He C, Cheng J, Zhang X, Douthwaite M, Pattisson S, Hao Z. Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources. Chem Rev 2019; 119:4471-4568. [DOI: 10.1021/acs.chemrev.8b00408] [Citation(s) in RCA: 769] [Impact Index Per Article: 153.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chi He
- National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P.R. China
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Jie Cheng
- National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
| | - Xin Zhang
- National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
| | - Mark Douthwaite
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Samuel Pattisson
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Zhengping Hao
- National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
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Gannoun C, Delaigle R, Ghorbel A, Gaigneaux EM. V2O5/TiO2 and V2O5/TiO2–SO42− catalysts for the total oxidation of chlorobenzene: one-step sol–gel preparation vs. two-step impregnation. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00099b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper examines the effect of the preparation method of sulfated and unsulfated V2O5/TiO2 catalysts on chlorobenzene total oxidation.
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Affiliation(s)
- C. Gannoun
- Centre National des Recherches en Sciences des Matériaux (CNRSM)
- 8027 Soliman
- Tunisia
| | - R. Delaigle
- Université catholique de Louvain
- Institute of Condensed Matter and Nanosciences (IMCN)
- Division “Solids, Molecules and ReactiviTy (MOST)”
- B-1348 Louvain-la-Neuve
- Belgium
| | - A. Ghorbel
- Laboratoire de Chimie des Matériaux et Catalyse
- Département de Chimie
- Faculté des Sciences de Tunis
- 2092 El Manar Tunis
- Tunisia
| | - E. M. Gaigneaux
- Université catholique de Louvain
- Institute of Condensed Matter and Nanosciences (IMCN)
- Division “Solids, Molecules and ReactiviTy (MOST)”
- B-1348 Louvain-la-Neuve
- Belgium
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9
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V-Containing Mixed Oxide Catalysts for Reduction–Oxidation-Based Reactions with Environmental Applications: A Short Review. Catalysts 2018. [DOI: 10.3390/catal8110564] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
V-containing mixed oxide catalytic materials are well known as active for partial oxidation reactions. Oxidation reactions are used in industrial chemistry and for the abatement of pollutants. An analysis of the literature in this field during the past few years shows a clear increase in the use of vanadium-based materials as catalysts for environmental applications. The present contribution makes a brief revision of the main applications of vanadium containing mixed oxides in environmental catalysis, analyzing the properties that present the catalysts with a better behavior that, in most cases, is related with the stabilization of reduced vanadium species (as V4+/V3+) during reaction.
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Fazaeli R, Aliyan H, Ghanbari R. Oxidative Desulfurization of Model Diesel Fuel by Vanadium Granular-Shape Mesoporous (V/GMS) Silica System as Nanocatalyst. RUSS J APPL CHEM+ 2018. [DOI: 10.1134/s107042721809015x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Du C, Ji L, Peng Y, Tang M, Cao X, Lu S. Catalytic decomposition of PCDD/Fs on a V 2O 5-WO 3/nano-TiO 2 catalyst: effect of NaCl. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:15474-15483. [PMID: 29569197 DOI: 10.1007/s11356-018-1740-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Accepted: 03/13/2018] [Indexed: 06/08/2023]
Abstract
The effect of NaCl addition on the properties, activity, and deactivation of a V2O5-WO3/nano-TiO2 catalyst was investigated during catalytic decomposition of gas-phase polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs). The extent of deactivation relates directly to the NaCl loading of the catalyst. Poisoning by sodium neutralizes acid sites, interacts strongly with active VOx species, and reduces the redox capacity of catalysts. In addition, NaCl is also a chlorine source and may actually accelerate the synthesis of new PCDD/Fs. Washing a catalyst with dilute sulfuric acid largely restores catalytic activity, breaking the interaction of Na+ ions and dispersed vanadia and removing Na from the catalyst surface. Consequently, catalyst acidity and redox capacity almost recover. Furthermore, sulfate residues react with surface adsorbed water to generate Brønsted acid sites, ensuing a surge of strong acidity of the catalysts.
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Affiliation(s)
- Cuicui Du
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Longjie Ji
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China.
- Beijing Construction Engineering Group Environmental Remediation Co., Ltd., Beijing, 100015, China.
| | - Yaqi Peng
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Minghui Tang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Xuan Cao
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Shengyong Lu
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China.
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12
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Wang Q, Tang M, Peng Y, Du C, Lu S. Ozone assisted oxidation of gaseous PCDD/Fs over CNTs-containing composite catalysts at low temperature. CHEMOSPHERE 2018; 199:502-509. [PMID: 29455121 DOI: 10.1016/j.chemosphere.2018.01.169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/24/2018] [Accepted: 01/31/2018] [Indexed: 06/08/2023]
Abstract
Ozone assisted carbon nanotubes (CNTs) supported vanadium oxide/titanium dioxide (V/Ti-CNTs) or vanadium oxide-manganese oxide/titanium dioxide (V-Mn/Ti-CNTs) catalysts towards gaseous PCDD/Fs (polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans) catalytic oxidations at low temperature (150 °C) were investigated. The removal efficiency (RE) and decomposition efficiency (DE) of PCDD/Fs achieved with V-Mn/Ti-CNTs alone were 95% and 45% at 150 °C under a space velocity (SV) of 14000 h-1; yet, these values reached 99% and 91% when catalyst and low concentration (50 ppm) ozone were used in combined. The ozone promotion effect on catalytic activity was further enhanced with the addition of manganese oxide (MnOx) and CNTs. Adding MnOx and CNTs in V/Ti catalysts facilitated the ozone decomposition (creating more active species on catalyst surface), thus, improved ozone utilization (demanding relatively lower ozone addition concentration). On the other hand, this study threw light upon ozone promotion mechanism based on the comparison of catalyst properties (i.e. components, surface area, surface acidity, redox ability and oxidation state) before and after ozone treatment. The experimental results indicate that a synergistic effect exists between catalyst and ozone: ozone is captured and decomposed on catalyst surface; meanwhile, the catalyst properties are changed by ozone in return. Reactive oxygen species from ozone decomposition and the accompanied catalyst properties optimization are crucial reasons for catalyst activation at low temperature.
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Affiliation(s)
- Qiulin Wang
- School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Minghui Tang
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yaqi Peng
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Cuicui Du
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Shengyong Lu
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China.
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14
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Zhan MX, Fu JY, Ji LJ, Deviatkin I, Lu SY. Comparative analyses of catalytic degradation of PCDD/Fs in the laboratory vs. industrial conditions. CHEMOSPHERE 2018; 191:895-902. [PMID: 29145134 DOI: 10.1016/j.chemosphere.2017.10.104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/11/2017] [Accepted: 10/17/2017] [Indexed: 06/07/2023]
Abstract
This study investigates the efficiencies and mechanisms of the catalytic degradation of polychlorinated dibenzo-p-dioxins and furans (PCDD/Fs) first, in simulated laboratory conditions and then, in a commercial municipal solid waste incineration (MSWI) plant. Five commercially available V2O5-WO3/TiO2 (VWTi) catalysts were tested. The degradation efficiency of PCDD/Fs in the simulated flue gas ranged 22.8-91.7% and was generally higher than that in the MSWI flue gas of 8.0-85.4%. The degradation efficiency of PCDD/Fs in the real flue gas of the MSWI plant was largely hindered by the complex composition of the flue gas, which could not be completely reproduced in the simulated laboratory conditions. Furthermore, the degradation of the higher chlorinated PCDD/Fs was easier compared to the lower chlorinated ones in the presence of the VWTi catalysts, which was primarily driven by the tendency of the higher chlorinated PCDD/Fs to be adsorbed on the surface of the catalyst and further destructed due to their lower vapor pressure. In addition, powdered catalysts should be preferred over the honeycomb shaped ones as they exposed higher PCDD/Fs degradation efficiencies under equal reaction conditions. The chemical composition and a range of the relevant to the study properties of the catalysts, such as surface area, crystallinity, oxidation ability, and surface acidity, were analyzed. The study ultimately supports the identification of the preferred characteristics of the VWTi catalysts for the most efficient degradation of toxic PCDD/Fs and elucidates the corresponding deactivation reasons of the catalysts.
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Affiliation(s)
- Ming-Xiu Zhan
- College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou, 310018, China; State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jian-Ying Fu
- China United Engineering Corporation, Hangzhou, 310052, China; State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Long-Jie Ji
- Beijing Construction Engineering Group Environmental Remediation Co., Ltd, Beijing, 100015, China; State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Ivan Deviatkin
- Department of Sustainability Science, Lappeenranta University of Technology, Lappeenranta, P.O. Box 20, FI-53851, Finland
| | - Sheng-Yong Lu
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou, 310027, China
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Debecker DP, Le Bras S, Boissière C, Chaumonnot A, Sanchez C. Aerosol processing: a wind of innovation in the field of advanced heterogeneous catalysts. Chem Soc Rev 2018; 47:4112-4155. [DOI: 10.1039/c7cs00697g] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Aerosol processing technologies represent a major route of innovation in the mushrooming field of heterogeneous catalysts preparation.
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Affiliation(s)
- Damien P. Debecker
- Université catholique de Louvain
- Institute of Condensed Matter and Nanosciences
- 1348 Louvain-La-Neuve
- Belgium
| | - Solène Le Bras
- Université catholique de Louvain
- Institute of Condensed Matter and Nanosciences
- 1348 Louvain-La-Neuve
- Belgium
| | - Cédric Boissière
- Sorbonne Université
- Collège de France
- PSL University
- CNRS
- Laboratoire de Chimie de La Matière Condensée de Paris LCMCP
| | | | - Clément Sanchez
- Sorbonne Université
- Collège de France
- PSL University
- CNRS
- Laboratoire de Chimie de La Matière Condensée de Paris LCMCP
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16
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Debecker DP. Innovative Sol-Gel Routes for the Bottom-Up Preparation of Heterogeneous Catalysts. CHEM REC 2017; 18:662-675. [PMID: 29227031 DOI: 10.1002/tcr.201700068] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 11/21/2017] [Indexed: 12/12/2022]
Abstract
Heterogeneous catalysts can be prepared by different methods offering various levels of control on the final properties of the solid. In this account, we exemplify bottom-up preparation routes that are based on the sol-gel chemistry and allow to tailor some decisive properties of solid catalysts. First, an emulsion templating strategy is shown to lead to macrocellular self-standing monoliths with a macroscopic 3D structure. The latter can be used as catalyst or catalyst supports in flow chemistry, without requiring any subsequent shaping step. Second, the aerosol-assisted sol-gel process allows for the one-step and continuous production of porous mixed oxides. Tailored textural properties can be obtained together with an excellent control on composition and homogeneity. Third, the application of non-hydrolytic sol-gel routes, in the absence of water, leads to mixed oxides with outstanding textural properties and with peculiar surface chemistry. In all cases, the resulting catalytic performance can be correlated with the specificities of the preparation routes presented. This is exemplified in catalytic reactions in the fields of biomass conversion, petro chemistry, enantioselective organic synthesis, and air pollution mitigation.
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Affiliation(s)
- Damien P Debecker
- Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, Place Louis Pasteur, 1 box L4.01.09
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17
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Wang Q, Hung PC, Lu S, Chang MB. Catalytic decomposition of gaseous PCDD/Fs over V2O5/TiO2-CNTs catalyst: Effect of NO and NH3 addition. CHEMOSPHERE 2016; 159:132-137. [PMID: 27285382 DOI: 10.1016/j.chemosphere.2016.05.072] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 05/17/2016] [Accepted: 05/23/2016] [Indexed: 06/06/2023]
Abstract
There is a strong need for a control technology that simultaneously achieving the abatement of PCDD/Fs (polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans) and nitrogen oxides (NOx) emissions in waste incineration industry. TiO2 and carbon nanotubes (CNTs) were used as composite carriers to support vanadium oxide as an innovative catalyst to simultaneously control PCDD/Fs and NO emissions. The removal efficiencies (RE) of PCDD/Fs by V2O5/TiO2-CNTs catalyst under a space velocity (SV) of 20,000 h(-1) reaches 99.9% at 150 °C and adsorption is supposed to be the main mechanism at this temperature. The influence of NONH3 reaction on PCDD/Fs catalytic reaction is investigated. The kinetics analysis exhibits that the addition of NO and NH3 reduces the activation energies for OCDD (octachlorodibenzo-p-dioxin) and OCDF (octachlorodibenzofuran) decomposition to 3.6 kJ/mol and 5.4 kJ/mol respectively.
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Affiliation(s)
- Qiulin Wang
- School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China
| | - Pao Chang Hung
- Graduate Institute of Environmental Engineering, National Central University, No. 300, Jungdad Road, Chungli 320, Taiwan
| | - Shengyong Lu
- State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China.
| | - Moo Been Chang
- Graduate Institute of Environmental Engineering, National Central University, No. 300, Jungdad Road, Chungli 320, Taiwan
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18
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Liu X, Li J, Li X, Peng Y, Wang H, Jiang X, Wang L. NH3 selective catalytic reduction of NO: A large surface TiO2 support and its promotion of V2O5 dispersion on the prepared catalyst. CHINESE JOURNAL OF CATALYSIS 2016. [DOI: 10.1016/s1872-2067(15)61041-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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19
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Liu X, Zeng J, Wang J, Shi W, Zhu T. Catalytic oxidation of methyl bromide using ruthenium-based catalysts. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01900a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ruthenium-based catalysts Ru/TiO2, Ru/SiO2, Ru/γ-Al2O3, and Ru/ZrO2 were prepared and evaluated for CH3Br oxidation, and Ru/TiO2 showed the best catalytic performance. Product selectivity, thermal stability, and anti-moisture properties were also studied.
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Affiliation(s)
- Xiaolong Liu
- Beijing Engineering Research Center of Process Pollution Control
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Junlin Zeng
- Beijing Engineering Research Center of Process Pollution Control
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Jian Wang
- Beijing Engineering Research Center of Process Pollution Control
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Wenbo Shi
- Beijing Engineering Research Center of Process Pollution Control
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
| | - Tingyu Zhu
- Beijing Engineering Research Center of Process Pollution Control
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
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20
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Zhao R, Wang Q, Lu S. Catalytic Oxidation of 1,2-Dichlorobenzene on V2O5–WO3/TiO2 Films: Effects of Ozone Addition and UV Irradiation. CHEM LETT 2015. [DOI: 10.1246/cl.150776] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rixiao Zhao
- State Key Laboratory of Clean Energy Utilization, Zhejiang University
| | - Qiulin Wang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University
| | - Shengyong Lu
- State Key Laboratory of Clean Energy Utilization, Zhejiang University
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21
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Huang X, Peng Y, Liu X, Li K, Deng Y, Li J. The promotional effect of MoO3 doped V2O5/TiO2 for chlorobenzene oxidation. CATAL COMMUN 2015. [DOI: 10.1016/j.catcom.2015.04.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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22
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State of the art in catalytic oxidation of chlorinated volatile organic compounds. CHEMICAL PAPERS 2014. [DOI: 10.2478/s11696-013-0505-7] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AbstractChlorine-containing organic compounds (Cl-VOC) require special attention due to their distinct toxicity, high stability and persistence in the environment. Removal of Cl-VOC by catalytic oxidation over a wide variety of catalysts has been presented in literature. This paper reviews the state of the art in this subject, including different model compounds, nature of catalysts, and oxidation activity. Catalyst selectivity (CO2 vs. CO and HCl vs. Cl2), by-products formation and the causes of deactivation are also analyzed as the most important factors in the catalyst selection for practical applications.
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Cecilia JA, Infantes-Molina A, Rodríguez-Castellón E, Jiménez-López A. Gas phase catalytic hydrodechlorination of chlorobenzene over cobalt phosphide catalysts with different P contents. JOURNAL OF HAZARDOUS MATERIALS 2013; 260:167-175. [PMID: 23747475 DOI: 10.1016/j.jhazmat.2013.05.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 05/06/2013] [Accepted: 05/08/2013] [Indexed: 06/02/2023]
Abstract
The gas phase catalytic hydrodechlorination (HDC) of chlorobenzene (CB) at atmospheric pressure was investigated over silica-supported cobalt and cobalt phosphide catalysts containing different P loading and a fixed amount of cobalt (5 wt.%). The effect of the initial P/Co molar ratio on the stoichiometry of the cobalt phosphide phase, the acidity and the hydrogen activation capability were discussed and these properties correlated with the catalytic activity. Catalytic results indicated that the cobalt phosphide phase is much more active than the monometallic cobalt one. The activity raised with the P content present in the sample due to the formation of the CoP phase instead of the Co₂P one, which favored the formation of hydrogen spillover species, increased the amount of weak acid sites and the number of exposed superficial cobalt atoms probably related to a better dispersion of the active phase. All the catalysts gave rise benzene as the main reaction product.
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Affiliation(s)
- J A Cecilia
- Departamento de Química Inorgánica, Cristalografía y Mineralogía (Unidad Asociada al ICP-CSIC), Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, 29071 Málaga, Spain
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24
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An Alternative Method for the Incorporation of Silver in Ag-VOx/TiO2 Catalysts for the Total Oxidation of Benzene. Top Catal 2013. [DOI: 10.1007/s11244-013-0123-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Delaigle R, Eloy P, Gaigneaux E. Influence of the impregnation order on the synergy between Ag and V2O5/TiO2 catalysts in the total oxidation of Cl-aromatic VOC. Catal Today 2012. [DOI: 10.1016/j.cattod.2011.11.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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26
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Amorim C, Keane MA. Catalytic hydrodechlorination of chloroaromatic gas streams promoted by Pd and Ni: the role of hydrogen spillover. JOURNAL OF HAZARDOUS MATERIALS 2012; 211-212:208-217. [PMID: 21872988 DOI: 10.1016/j.jhazmat.2011.08.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 08/02/2011] [Accepted: 08/07/2011] [Indexed: 05/31/2023]
Abstract
Catalytic hydrodechlorination (HDC) is an effective means of detoxifying chlorinated waste. Involvement of spillover hydrogen is examined in gas phase dechlorination of chlorobenzene (CB) and 1,3-dichlorobenzene (1,3-DCB) over Pd and Ni. The catalytic action of single component Pd and Ni, Pd/Al(2)O(3), Ni/Al(2)O(3) and physical mixtures with Al(2)O(3) has been considered. Catalyst activation is characterized in terms of temperature programmed reduction, the supported nano-scale metal phase by transmission electron microscopy and hydrogen/surface interactions by chemisorption/temperature programmed desorption. Pd/Al(2)O(3) generated significantly greater amounts of spillover hydrogen (by a factor of over 40) compared with Ni/Al(2)O(3). Hydrogen spillover on Pd/Al(2)O(3) far exceeded the chemisorbed component, whereas chemisorbed and spillover content was equivalent for Ni/Al(2)O(3). Inclusion of Al(2)O(3) with Ni and Ni/Al(2)O(3) increased spillover with an associated increase in specific HDC rate (up to a factor of 10) and enhanced selectivity to benzene from 1,3-DCB. HDC rate delivered by Pd and Pd/Al(2)O(3) was largely unaffected by the addition of Al(2)O(3). This can be attributed to the higher intrinsic HDC performance of Pd that results in appreciable HDC activity under conditions where Ni/Al(2)O(3) was inactive. Spillover was partially recovered (post TPD) for the Ni samples but the loss was irreversible in the case of Pd.
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Affiliation(s)
- Claudia Amorim
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY, USA
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27
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Arendt E, Zehri S, Eloy P, Gaigneaux EM. Supporting the Dawson (NH
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6
P
2
Mo
18
O
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Heteropoly Compound: Controlling Its Molecular Behaviour to Enhance Its Catalytic Activity in the Propene Oxidation. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201101184] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Eglantine Arendt
- Institute of Condensed Matter and Nanosciences (IMCN) Division MOlecules, Solids and ReactiviTy (MOST), Université catholique de Louvain, Croix du Sud 2 bte L7.05.17, 1348 Louvain‐la‐Neuve, Belgium, Fax: +32‐10473649
| | - Sanaa Zehri
- Institute of Condensed Matter and Nanosciences (IMCN) Division MOlecules, Solids and ReactiviTy (MOST), Université catholique de Louvain, Croix du Sud 2 bte L7.05.17, 1348 Louvain‐la‐Neuve, Belgium, Fax: +32‐10473649
| | - Pierre Eloy
- Institute of Condensed Matter and Nanosciences (IMCN) Division MOlecules, Solids and ReactiviTy (MOST), Université catholique de Louvain, Croix du Sud 2 bte L7.05.17, 1348 Louvain‐la‐Neuve, Belgium, Fax: +32‐10473649
| | - Eric M. Gaigneaux
- Institute of Condensed Matter and Nanosciences (IMCN) Division MOlecules, Solids and ReactiviTy (MOST), Université catholique de Louvain, Croix du Sud 2 bte L7.05.17, 1348 Louvain‐la‐Neuve, Belgium, Fax: +32‐10473649
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28
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Debecker DP, Mutin PH. Non-hydrolytic sol–gel routes to heterogeneous catalysts. Chem Soc Rev 2012; 41:3624-50. [DOI: 10.1039/c2cs15330k] [Citation(s) in RCA: 143] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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29
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Gannoun C, Delaigle R, Eloy P, Debecker DP, Ghorbel A, Gaigneaux EM. Sol–gel derived V2O5–TiO2 mesoporous materials as catalysts for the total oxidation of chlorobenzene. CATAL COMMUN 2011. [DOI: 10.1016/j.catcom.2011.08.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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30
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Piumetti M, Bonelli B, Massiani P, Dzwigaj S, Rossetti I, Casale S, Gaberova L, Armandi M, Garrone E. Effect of vanadium dispersion and support properties on the catalytic activity of V-SBA-15 and V-MCF mesoporous materials prepared by direct synthesis. Catal Today 2011. [DOI: 10.1016/j.cattod.2010.10.066] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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31
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32
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Schimmoeller B, Pratsinis SE, Baiker A. Flame Aerosol Synthesis of Metal Oxide Catalysts with Unprecedented Structural and Catalytic Properties. ChemCatChem 2011. [DOI: 10.1002/cctc.201000425] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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33
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Debecker DP, Delaigle R, Hung PC, Buekens A, Gaigneaux EM, Chang MB. Evaluation of PCDD/F oxidation catalysts: confronting studies on model molecules with tests on PCDD/F-containing gas stream. CHEMOSPHERE 2011; 82:1337-1342. [PMID: 21215421 DOI: 10.1016/j.chemosphere.2010.12.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2010] [Revised: 11/12/2010] [Accepted: 12/03/2010] [Indexed: 05/30/2023]
Abstract
Titania supported vanadium oxide is a renowned catalyst for the abatement of polychlorinated dibenzo-p-dioxins and furans (PCDD/Fs) from gas effluents. To develop more active formulations, researchers mainly rely on lab-scale experiments on "PCDD/Fs-mimicking substances", like (chloro)-benzene. Using such model compounds is convenient whereas handling PCDD/Fs in the laboratory is potentially hazardous and complicated. Recent studies, however, challenged some foremost conclusions of model compound based studies, starting from the observation that different model compounds gave contrasted results. Thus the present work aims at confronting some of these dubious conclusions with direct experimental tests on PCDD/Fs. One reference V(2)O(5)/TiO(2) catalyst and three modified formulations (V(2)O(5)/TiO(2)-SO(4), V(2)O(5)-MoO(3)/TiO(2), and V(2)O(5)-WO(3)/TiO(2)) have been evaluated. A dedicated apparatus was used which allows safe and reliable tests on a mixture of PCDD/Fs congeners. Some of the previously proposed catalyst improvement strategies actually prove to be disadvantageous in the removal of PCDD/Fs. In particular, MoO(3)- and WO(3)-modified catalysts were significantly less active than the reference catalyst. These observations show that conclusions from model compound based studies must be drawn with care and should ideally be confronted with tests on the actual target pollutants.
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Affiliation(s)
- Damien P Debecker
- Université catholique de Louvain, Institute of Condensed Matter and Nanoscience - IMCN, Division: MOlecules, Solids and reactiviTy - MOST, Croix du Sud 2/17, 1348 Louvain-La-Neuve, Belgium.
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35
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Tian W, Fan X, Yang H, Zhang X. Preparation of MnOx/TiO2 composites and their properties for catalytic oxidation of chlorobenzene. JOURNAL OF HAZARDOUS MATERIALS 2010; 177:887-891. [PMID: 20080342 DOI: 10.1016/j.jhazmat.2009.12.116] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2009] [Revised: 12/11/2009] [Accepted: 12/29/2009] [Indexed: 05/28/2023]
Abstract
MnO(x)/TiO(2) composites with different atomic ratio of Mn/Ti were prepared by sol-gel, solvothermal and coprecipitation method, respectively. The catalytic tests on chlorobenzene (CB) removal ability of all 15 catalysts were performed in a fixed-bed flow reactor and compared to each other. Experimental results showed that when the atomic ratio of Mn/Ti reached 1:4, the activity of the catalysts prepared by three methods reached their highest value, particularly the catalyst with the Mn/Ti atomic ratio of 1:4 prepared by sol-gel method showed higher catalytic activity than the catalysts with the same atomic ratio prepared by other methods at temperature between 100 and 300 degrees C. From the microstructure characterization by XRD, SEM, EDS, BET, and TPR, it could be known that the combined TiO(2) phases of anatase and rutile and a good dispersion of manganese oxides contributed to a good catalytic performance in the catalyst prepared by the sol-gel method.
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Affiliation(s)
- Wei Tian
- State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
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