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Wang Y, Xu W, Liu H, Chen W, Zhu T. Catalytic removal of gaseous pollutant NO using CO: Catalyst structure and reaction mechanism. ENVIRONMENTAL RESEARCH 2024; 246:118037. [PMID: 38160964 DOI: 10.1016/j.envres.2023.118037] [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: 10/24/2023] [Revised: 12/07/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
Carbon monoxide (CO) has recently been considered an ideal reducing agent to replace NH3 in selective catalytic reduction of NOx (NH3-SCR). This shift is particularly relevant in diesel engines, coal-fired industry, the iron and steel industry, of which generate substantial amounts of CO due to incomplete combustion. Developing high-performance catalysts remain a critical challenge for commercializing this technology. The active sites on catalyst surface play a crucial role in the various microscopic reaction steps of this reaction. This work provides a comprehensive overview and insights into the reaction mechanism of active sites on transition metal- and noble metal-based catalysts, including the types of intermediates and active sites, as well as the conversion mechanism of active molecules or atoms. In addition, the effects of factors such as O2, SO2, and alkali metals, on NO reduction by CO were discussed, and the prospects for catalyst design are proposed. It is hoped to provide theoretical guidance for the rational design of efficient CO selective catalytic denitration materials based on the structure-activity relations.
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Affiliation(s)
- Yixi Wang
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wenqing Xu
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China.
| | - Huixian Liu
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wanrong Chen
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Tingyu Zhu
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China.
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2
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Ji Y, Chen X, Liu S, Song S, Xu W, Jiang R, Chen W, Li H, Zhu T, Li Z, Zhong Z, Wang D, Xu G, Su F. Tailoring the Electronic Structure of Single Ag Atoms in Ag/WO 3 for Efficient NO Reduction by CO in the Presence of O 2. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yongjun Ji
- School of Light Industry, Beijing Technology and Business University, Beijing 100048, China
| | - Xiaoli Chen
- School of Light Industry, Beijing Technology and Business University, Beijing 100048, China
| | - Shaomian Liu
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Shaojia Song
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Wenqing Xu
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Ruihuan Jiang
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- College of Chemistry and Chemical Engineering, Qiqihaer University, Qiqihaer 161006, Heilongjiang Province, China
| | - Wenxing Chen
- Energy & Catalysis Center, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Huifang Li
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Tingyu Zhu
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhenxing Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Ziyi Zhong
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), 241 Daxue Road, Shantou 515063, China
- Technion-Israel Institute of Technology (IIT), Haifa 32000, Israel
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Guangwen Xu
- Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Fabing Su
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology, Shenyang 110142, China
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Ji Y, Liu S, Song S, Xu W, Li L, Zhang Y, Chen W, Li H, Jiang J, Zhu T, Li Z, Zhong Z, Wang D, Xu G, Su F. Negatively Charged Single-Atom Pt Catalyst Shows Superior SO 2 Tolerance in NO x Reduction by CO. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yongjun Ji
- School of Light Industry, Beijing Technology and Business University, Beijing100048, China
| | - Shaomian Liu
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, China
| | - Shaojia Song
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing102249, China
| | - Wenqing Xu
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, China
| | - Liang Li
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, China
- College of Chemistry and Chemical Engineering, Qiqihaer University, Qiqihaer, 161006Heilongjiang Province, China
| | - Yu Zhang
- Institute of Education and Talent, CNPC Managers Training Institute, Beijing100096, China
| | - Wenxing Chen
- Energy and Catalysis Center, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing100081, China
| | - Huifang Li
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, China
| | - Jingang Jiang
- Department of Chemistry, East China Normal University, Shanghai200062, China
| | - Tingyu Zhu
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, China
| | - Zhenxing Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing102249, China
| | - Ziyi Zhong
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), 241 Daxue Road, Shantou515063, China
- Technion-Israel Institute of Technology (IIT), Haifa32000, Israel
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing100084, China
| | - Guangwen Xu
- Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology, Shenyang110142, China
| | - Fabing Su
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, China
- Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology, Shenyang110142, China
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Ren Y, Han Q, Yang J, Zhao Y, Xie Y, Wen H, Jiang Z. A promising catalytic solution of NO reduction by CO using g-C 3N 4/TiO 2: A DFT study. J Colloid Interface Sci 2021; 610:152-163. [PMID: 34922072 DOI: 10.1016/j.jcis.2021.12.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 11/30/2021] [Accepted: 12/04/2021] [Indexed: 10/19/2022]
Abstract
The direct catalytic reduction of nitric oxide (NO) by carbon monoxide (CO) to form harmless N2 and CO2 is an ideal strategy to simultaneously remove both these hazardous gases. To investigate the feasibility of using graphitic carbon nitride/titanium dioxide (g-C3N4/TiO2) to catalyze the NO reduction by CO, we systematically explore the effect of the interfacial coupling between g-C3N4 and TiO2 on the photo-induced carrier separation, the light absorption, and the surface reaction for the NO reduction by using density functional theory. The g-C3N4/TiO2 is predicted to have a better photocatalytic activity for NO reduction than g-C3N4, due to the enhanced light absorption intensity and the accelerated separation of the photo-excited electron-hole pairs. By comparing the reaction routes on g-C3N4/TiO2 and g-C3N4, the results indicate that the introduction of TiO2 can keep the surface reaction process intact with the NO dissociation (N2O formation) being the rate-determining (crucial) step. Moreover, TiO2 can facilitate the desorption of NO reduction products, avoiding the deactivation of g-C3N4. This work shows that the composition of TiO2 into g-C3N4 provides a promising catalyst in NO reduction by CO.
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Affiliation(s)
- Yuehong Ren
- School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Qingzhen Han
- Beijing Academy of Quantum Information Sciences, Beijing 100193, China.
| | - Jie Yang
- Shandong Graphenjoy Advanced Material Co. Ltd, Dezhou 253072, China
| | - Yuehong Zhao
- Division of Environment Technology and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Yongbing Xie
- Division of Environment Technology and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Hao Wen
- Division of Environment Technology and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhaotan Jiang
- School of Physics, Beijing Institute of Technology, Beijing 100081, China.
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Abstract
Removal of nitrogen oxides during coal combustion is a subject of great concerns. The present study reviews the state-of-art catalysts for NO reduction by CO, CH4, and H2. In terms of NO reduction by CO and CH4, it focuses on the preparation methodologies and catalytic properties of noble metal catalysts and non-noble metal catalysts. In the technology of NO removal by H2, the NO removal performance of the noble metal catalyst is mainly discussed from the traditional carrier and the new carrier, such as Al2O3, ZSM-5, OMS-2, MOFs, perovskite oxide, etc. By adopting new preparation methodologies and introducing the secondary metal component, the catalysts supported by a traditional carrier could achieve a much higher activity. New carrier for catalyst design seems a promising aspect for improving the catalyst performance, i.e., catalytic activity and stability, in future. Moreover, mechanisms of catalytic NO reduction by these three agents are discussed in-depth. Through the critical review, it is found that the adsorption of NOx and the decomposition of NO are key steps in NO removal by CO, and the activation of the C-H bond in CH4 and H-H bonds in H2 serves as a rate determining step of the reaction of NO removal by CH4 and H2, respectively.
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Improved NOx Reduction Using C3H8 and H2 with Ag/Al2O3 Catalysts Promoted with Pt and WOx. Catalysts 2020. [DOI: 10.3390/catal10101212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The addition of Pt (0.1 wt%Pt) to the 2 wt%Ag/Al2O3-WOx catalyst improved the C3H8– Selective Catalytic Reduction (SCR) of NO assisted by H2 and widened the range of the operation window. During H2–C3H8–SCR of NO, the bimetallic Pt–Ag catalyst showed two maxima in conversion: 80% (at 130 °C) and 91% (between 260 and 350 °C). This PtAg bimetallic catalyst showed that it could combine the catalytic properties of Pt at low temperature, with the properties of Ag/Al2O3 at high temperature. These PtAg catalysts were composed of Ag+, Agnδ+ clusters, and PtAg nanoparticles. The catalysts were characterized by Temperature Programmed Reduction (TPR), Ultraviolet Visible Spectroscopy (UV-Vis), Scanning Electron Microscopy (SEM)/ Energy Dispersed X-ray Spectroscopy (EDS), x-ray Diffraction (XRD) and N2 physisorption. The PtAg bimetallic catalysts were able to chemisorb H2. The dispersion of Pt in the bimetallic catalysts was the largest for the catalyst with the lowest Pt/Ag atomic ratio. Through SEM, mainly spherical clusters smaller than 10 nm were observed in the PtAg catalyst. There were about 32% of particles with size equal or below 10 nm. The PtAg bimetallic catalysts produced NO2 in the intermediate temperature range as well as some N2O. The yield to N2O was proportional to the Pt/Ag atomic ratio and reached 8.5% N2O. WOx stabilizes Al2O3 at temperatures ≥650 °C, and also stabilizes Pt when it is reduced in H2 at high temperature (800 °C).
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Jeon J, Ham H, Xing F, Nakaya Y, Shimizu KI, Furukawa S. PdIn-Based Pseudo-Binary Alloy as a Catalyst for NO x Removal under Lean Conditions. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03427] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jaewan Jeon
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Hyungwon Ham
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Feilong Xing
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Yuki Nakaya
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Ken-ichi Shimizu
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
| | - Shinya Furukawa
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
- Japan Science and Technology Agency, PRESTO, Chiyodaku, Tokyo 102-0076, Japan
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Gholami F, Tomas M, Gholami Z, Vakili M. Technologies for the nitrogen oxides reduction from flue gas: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 714:136712. [PMID: 31991274 DOI: 10.1016/j.scitotenv.2020.136712] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 01/03/2020] [Accepted: 01/13/2020] [Indexed: 06/10/2023]
Abstract
The required energy of the global industry is mostly generated from fossil fuel sources, such as natural gas, gasoline, diesel, oil, and coal. Nitrogen oxides are one of the main air pollutants that are produced from the combustion of fossil fuels in stationary and mobile sources. Development of new technologies to decrease the NOx emission from exhaust gases is essential due to the harmful effect of NOx on the environment and human health. Compared with pre-combustion and combustion methods (with <50% NOx removal efficiency), the post-combustion methods with higher efficiency (above 80%) have attracted more attention in NOx elimination. This review describes the currently used technologies of NOx abatement. Different available post-combustion methods of NOx removal, including selective catalytic reduction (using different types of reducing reagents, including ammonia, hydrogen, hydrocarbons, and carbon monoxide), selective noncatalytic reduction, wet scrubbing, adsorption, electron beam, nonthermal plasma, and electrochemical reduction of NOx, are discussed.
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Affiliation(s)
- Fatemeh Gholami
- New Technologies - Research Centre, Engineering of Special Materials, University of West Bohemia, Plzeň 301 00, Czech Republic.
| | - Martin Tomas
- New Technologies - Research Centre, Engineering of Special Materials, University of West Bohemia, Plzeň 301 00, Czech Republic
| | - Zahra Gholami
- Unipetrol Centre of Research and Education, a.s, Areál Chempark 2838, Záluží 1, 43670 Litvínov, Czech Republic
| | - Mohammadtaghi Vakili
- Green intelligence Environmental School, Yangtze Normal University, Chongqing 408100, China
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Gholami Z, Luo G, Gholami F, Yang F. Recent advances in selective catalytic reduction of NOx by carbon monoxide for flue gas cleaning process: a review. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2020. [DOI: 10.1080/01614940.2020.1753972] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Zahra Gholami
- Unipetrol Centre of Research and Education, Litvínov, Czech Republic
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, China
| | - Guohua Luo
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, China
| | - Fatemeh Gholami
- New Technologies - Research Centre, University of West Bohemia, Engineering of Special Materials, Plzeň, Czech Republic
| | - Fan Yang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, China
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Gholami Z, Luo G, Gholami F. The influence of support composition on the activity of Cu:Ce catalysts for selective catalytic reduction of NO by CO in the presence of excess oxygen. NEW J CHEM 2020. [DOI: 10.1039/c9nj04335g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Excellent catalytic performance for NO reduction by CO in the presence of 5% O2 over Cu1:Ce3/Al2O3.
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Affiliation(s)
- Zahra Gholami
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
- China
| | - Guohua Luo
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
- China
| | - Fatemeh Gholami
- New Technologies – Research Centre
- University of West Bohemia
- Engineering of Special Materials
- Plzeň 301 00
- Czech Republic
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Dai X, Jiang W, Wang W, Weng X, Shang Y, Xue Y, Wu Z. Supercritical water syntheses of transition metal-doped CeO2 nano-catalysts for selective catalytic reduction of NO by CO: An in situ diffuse reflectance Fourier transform infrared spectroscopy study. CHINESE JOURNAL OF CATALYSIS 2018. [DOI: 10.1016/s1872-2067(17)63008-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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12
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Liu K, Yu Q, Liu J, Wang K, Han Z, Xuan Y, Qin Q. Selection of catalytically active elements for removing NO and CO from flue gas at low temperatures. NEW J CHEM 2017. [DOI: 10.1039/c7nj02694c] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The metal elements Mn, Cu, Pb and V have been selected for removing NO and CO via a thermodynamic study.
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Affiliation(s)
- Kaijie Liu
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Qingbo Yu
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Jinlin Liu
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Kun Wang
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Zhicheng Han
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Yanni Xuan
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Qin Qin
- School of Metallurgy
- Northeastern University
- Shenyang 110819
- P. R. China
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