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Yan L, Zhu H, Liu X, Peng D, Zhang J, Cheng D, Chen A, Zhang D. Synergistic Catalytic Removal of NO x and n-Butylamine via Spatially Separated Cooperative Sites. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:11781-11790. [PMID: 38877971 DOI: 10.1021/acs.est.4c01840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Synergistic control of nitrogen oxides (NOx) and nitrogen-containing volatile organic compounds (NVOCs) from industrial furnaces is necessary. Generally, the elimination of n-butylamine (n-B), a typical pollutant of NVOCs, requires a catalyst with sufficient redox ability. This process induces the production of nitrogen-containing byproducts (NO, NO2, N2O), leading to lower N2 selectivity of NH3 selective catalytic reduction of NOx (NH3-SCR). Here, synergistic catalytic removal of NOx and n-B via spatially separated cooperative sites was originally demonstrated. Specifically, titania nanotubes supported CuOx-CeO2 (CuCe-TiO2 NTs) catalysts with spatially separated cooperative sites were creatively developed, which showed a broader active temperature window from 180 to 340 °C, with over 90% NOx conversion, 85% n-B conversion, and 90% N2 selectivity. A synergistic effect of the Cu and Ce sites was found. The catalytic oxidation of n-B mainly occurred at the Cu sites inside the tube, which ensured the regular occurrence of the NH3-SCR reaction on the outer Ce sites under the matching temperature window. In addition, the n-B oxidation would produce abundant intermediate NH2*, which could act as an extra reductant to promote NH3-SCR. Meanwhile, NH3-SCR could simultaneously remove the possible NOx byproducts of n-B decomposition. This novel strategy of constructing cooperative sites provides a distinct pathway for promoting the synergistic removal of n-B and NOx.
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Affiliation(s)
- Lijun Yan
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Huifang Zhu
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Xiangyu Liu
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Dengchao Peng
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Jin Zhang
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Danhong Cheng
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Aling Chen
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Dengsong Zhang
- School of Environmental and Chemical Engineering, State Key Laboratory of Advanced Special Steel, International Joint Laboratory of Catalytic Chemistry, Innovation Institute of Carbon Neutrality, College of Sciences, Shanghai University, Shanghai 200444, China
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Xu B, Wang Z, Hu J, Zhang L, Zhang Z, Liang H, Zhang Y, Fan G. Dy-Modified Mn/TiO 2 Catalyst Used for the Selective Catalytic Reduction of NO in Ammonia at Low Temperatures. Molecules 2024; 29:277. [PMID: 38202858 PMCID: PMC10781053 DOI: 10.3390/molecules29010277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/23/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024] Open
Abstract
A novel Mn/TiO2 catalyst, prepared through modification with the rare-earth metal Dy, has been employed for low-temperature selective catalytic reduction (SCR) denitrification. Anatase TiO2, with its large specific surface area, serves as the carrier. The active component MnOx on the TiO2 carrier is modified using Dy. DyxMn/TiO2, prepared via the impregnation method, exhibited remarkable catalytic performance in the SCR of NO with NH3 as the reducing agent at low temperatures. Experiments and characterization revealed that the introduction of a suitable amount of the rare-earth metal Dy can effectively enhance the catalyst's specific surface area and the gas-solid contact area in catalytic reactions. It also significantly increases the concentration of Mn4+, chemisorbed oxygen, and weak acid sites on the catalyst surface. This leads to a notable improvement in the reduction performance of the DyMn/TiO2 catalyst, ultimately contributing to the improvement of the NH3-SCR denitrification performance at low temperatures. At 100 °C and a space velocity of 24,000 h-1, the Dy0.1Mn/TiO2 catalyst can achieve a 98% conversion rate of NOx. Furthermore, its active temperature point decreases by 60 °C after the modification, highlighting exceptional catalytic efficacy at low temperatures. By doubling the space velocity, the NOx conversion rate of the catalyst can still reach 96% at 130 °C, indicating significant operational flexibility. The selectivity of N2 remained stable at over 95% before reaching 240 °C.
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Affiliation(s)
- Bing Xu
- Hubei Provincial Engineering Technology Research Center of Agricultural and Sideline Resources, Chemical Engineering and Utilization, School of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Z.W.); (J.H.); (L.Z.); (Z.Z.); (H.L.); (Y.Z.); (G.F.)
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3
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Li X, Ren S, Chen Z, Wang M, Chen L, Chen H, Yin X. A Review of Mn-Based Catalysts for Abating NO x and CO in Low-Temperature Flue Gas: Performance and Mechanisms. Molecules 2023; 28:6885. [PMID: 37836730 PMCID: PMC10574052 DOI: 10.3390/molecules28196885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/09/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Mn-based catalysts have attracted significant attention in the field of catalytic research, particularly in NOx catalytic reductions and CO catalytic oxidation, owing to their good catalytic activity at low temperatures. In this review, we summarize the recent progress of Mn-based catalysts for the removal of NOx and CO. The effects of crystallinity, valence states, morphology, and active component dispersion on the catalytic performance of Mn-based catalysts are thoroughly reviewed. This review delves into the reaction mechanisms of Mn-based catalysts for NOx reduction, CO oxidation, and the simultaneous removal of NOx and CO. Finally, according to the catalytic performance of Mn-based catalysts and the challenges faced, a possible perspective and direction for Mn-based catalysts for abating NOx and CO is proposed. And we expect that this review can serve as a reference for the catalytic treatment of NOx and CO in future studies and applications.
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Affiliation(s)
- Xiaodi Li
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; (X.L.); (Z.C.); (M.W.); (L.C.); (X.Y.)
| | - Shan Ren
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; (X.L.); (Z.C.); (M.W.); (L.C.); (X.Y.)
| | - Zhichao Chen
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; (X.L.); (Z.C.); (M.W.); (L.C.); (X.Y.)
| | - Mingming Wang
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; (X.L.); (Z.C.); (M.W.); (L.C.); (X.Y.)
| | - Lin Chen
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; (X.L.); (Z.C.); (M.W.); (L.C.); (X.Y.)
| | - Hongsheng Chen
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; (X.L.); (Z.C.); (M.W.); (L.C.); (X.Y.)
| | - Xitao Yin
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China
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4
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Hermawan A, Alviani VN, Wibisono, Seh ZW. Fundamentals, rational catalyst design, and remaining challenges in electrochemical NO x reduction reaction. iScience 2023; 26:107410. [PMID: 37593457 PMCID: PMC10428125 DOI: 10.1016/j.isci.2023.107410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2023] Open
Abstract
Nitrogen oxides (NOx) emissions carry pernicious consequences on air quality and human health, prompting an upsurge of interest in eliminating them from the atmosphere. The electrochemical NOx reduction reaction (NOxRR) is among the promising techniques for NOx removal and potential conversion into valuable chemical feedstock with high conversion efficiency while benefiting energy conservation. However, developing efficient and stable electrocatalysts for NOxRR remains an arduous challenge. This review provides a comprehensive survey of recent advancements in NOxRR, encompassing the underlying fundamentals of the reaction mechanism and rationale behind the design of electrocatalysts using computational modeling and experimental efforts. The potential utilization of NOxRR in a Zn-NOx battery is also explored as a proof of concept for concurrent NOx abatement, NH3 synthesis, and decarbonizing energy generation. Despite significant strides in this domain, several hurdles still need to be resolved in developing efficient and long-lasting electrocatalysts for NOx reduction. These possible means are necessary to augment the catalytic activity and electrocatalyst selectivity and surmount the challenges of catalyst deactivation and corrosion. Furthermore, sustained research and development of NOxRR could offer a promising solution to the urgent issue of NOx pollution, culminating in a cleaner and healthier environment.
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Affiliation(s)
- Angga Hermawan
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang City, Banten 15314, Indonesia
| | - Vani Novita Alviani
- Graduate School of Environmental Studies, Tohoku University, Sendai 9808579, Japan
| | - Wibisono
- Research Center for Radiation Detection and Nuclear Analysis Technology, National Research and Innovation Agency (BRIN), South Tangerang City, Banten 15314, Indonesia
| | - Zhi Wei Seh
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A∗STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
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Bhaskaran A, Sharma D, Roy S, Singh SA. Technological solutions for NO x, SO x, and VOC abatement: recent breakthroughs and future directions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:91501-91533. [PMID: 37495811 DOI: 10.1007/s11356-023-28840-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/13/2023] [Indexed: 07/28/2023]
Abstract
NOx, SOx, and carbonaceous volatile organic compounds (VOCs) are extremely harmful to the environment, and their concentrations must be within the limits prescribed by the region-specific pollution control boards. Thus, NOx, SOx, and VOC abatement is essential to safeguard the environment. Considering the importance of NOx, SOx, and VOC abatement, the discussion on selective catalytic reduction, oxidation, redox methods, and adsorption using noble metal and non-noble metal-based catalytic approaches were elaborated. This article covers different thermal treatment techniques, category of materials as catalysts, and its structure-property insights along with the advanced oxidation processes and adsorption. The defect engineered catalysts with lattice oxygen vacancies, bi- and tri-metallic noble metal catalysts and non-noble metal catalysts, modified metal organic frameworks, mixed-metal oxide supports, and their mechanisms have been thoroughly reviewed. The main hurdles and potential achievements in developing novel simultaneous NOx, SOx, and VOC removal technologies are critically discussed to envisage the future directions. This review highlights the removal of NOx, SOx, and VOC through material selection, properties, and mechanisms to further improve the existing abatement methods in an efficient way.
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Affiliation(s)
- Aathira Bhaskaran
- Department of Chemistry, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad, 500078, India
| | - Deepika Sharma
- Department of Chemical Engineering, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, 333031, India
| | - Sounak Roy
- Department of Chemistry, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad, 500078, India
- Materials Center for Sustainable Energy & Environment, Birla Institute of Technology and Science Pilani Hyderabad Campus, Hyderabad, 500078, India
| | - Satyapaul A Singh
- Materials Center for Sustainable Energy & Environment, Birla Institute of Technology and Science Pilani Hyderabad Campus, Hyderabad, 500078, India.
- Department of Chemical Engineering, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad, 500078, India.
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6
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Zhang X, Jin S, Liu S, Chen Y, Fang C, Wang K, Wang X, Wu X, Wang J. Low-Temperature NH 3-SCR over Hierarchical MnO x Supported on Montmorillonite Prepared by Different Methods. ACS OMEGA 2023; 8:13384-13395. [PMID: 37065025 PMCID: PMC10099437 DOI: 10.1021/acsomega.3c00718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Hierarchical MnO x pillared or supported on montmorillonite were prepared by three methods, i.e., impregnation (IM), chemical precipitation (CP), and in situ deposition (SP). The catalysts were characterized by low-temperature N2 adsorption (BET), XRD, XPS, SEM, TEM, H2-TPR, NH3-TPD, NO-TPD, TPSR, in situ DRIFTS, and evaluation of catalytic performance for NH3-SCR. The best catalytic performance was obtained for catalysts prepared by SP in terms of activity and selectivity, obtaining >90% NO conversion with >95% selectivity to N2 in 100-300 °C and GHSV of 70,000 h-1. Compared to IM and CP, SP greatly simplified catalyst preparation, resulting in higher BET surface areas; a spongy pore structure; more highly dispersed, pillared MnO x species; and higher density of acid sites distributed on catalysts surface, which all contributed to its superior performance for NH3-SCR. The activity for low-temperature NH3-SCR of manganese catalysts could be widely tailored by preparation methods.
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Affiliation(s)
- Xianlong Zhang
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
- Anhui
Province Key Laboratory of Advanced Catalytic Materials and Reaction
Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Shi Jin
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
| | - Shiwen Liu
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
| | - Yazhong Chen
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
| | - Cheng Fang
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
| | - Kui Wang
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
| | - Xinyu Wang
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
| | - Xueping Wu
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, China
- Anhui
Province Key Laboratory of Advanced Catalytic Materials and Reaction
Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
- Engineering
Research Center of Advanced Composite Materials Design & Application
of Anhui Province, Hefei 230009, China
| | - Junwei Wang
- College
of Chemistry and Chemical Engineering, Anqing
Normal University, Anqing 246011, China
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7
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Song K, Guo K, Mao S, Ma D, Lv Y, He C, Wang H, Cheng Y, Shi JW. Insight into the Origin of Excellent SO 2 Tolerance and de-NO x Performance of quasi-Mn-BTC in the Low-Temperature Catalytic Reduction of Nitrogen Oxide. ACS Catal 2023. [DOI: 10.1021/acscatal.3c00106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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8
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Li S, Song L, Li J, He H. Promotional Mechanisms of Activity and SO 2 Tolerance of NdVO x/TiO 2 Catalysts for Selective Catalytic Reduction of NO x with NH 3. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Affiliation(s)
- Shuangye Li
- Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing 100124, China
| | - Liyun Song
- Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing 100124, China
| | - Jian Li
- Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing 100124, China
| | - Hong He
- Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing 100124, China
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9
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Li Z, Ma C, Qi M, Li Y, Qu Y, Zhang Y, Zhou L, Yun J. CeO2 from pyrolysis of MOFs for efficient catalytic combustion of VOCs. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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Xu Y, Wang P, Pu Y, Jiang L, Yang L, Jiang W, Yao L. MnCe/GAC-CNTs catalyst with high activity, SO2 and H2O tolerance for low-temperature NH3-SCR. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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11
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Review of Improving the NOx Conversion Efficiency in Various Diesel Engines fitted with SCR System Technology. Catalysts 2022. [DOI: 10.3390/catal13010067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The diesel engine is utilized in most commercial vehicles to carry items from various firms; nevertheless, diesel engines emit massive amounts of nitrogen oxides (NOx) which are harmful to human health. A typical approach for reducing NOx emissions from diesel engines is the selective catalytic reduction (SCR) system; however, several reasons make reducing NOx emissions a challenge: urea particles frequently become solid in the injector and difficult to disseminate across the system; the injector frequently struggles to spray the smaller particles of urea; the larger urea particles from the injector readily cling to the system; it is also difficult to evaporate urea droplets because of the exhaust and wall temperatures (Tw), resulting in an increase in solid deposits in the system, uncontrolled ammonia water solution injection, and NOx emissions problems. The light-duty diesel engine (LDD), medium-duty diesel engine (MDD), heavy-duty diesel engine (HDD), and marine diesel engine use different treatments to optimize NOx conversion efficiency in the SCR system. This review analyzes several studies in the literature which aim to increase NOx conversion in different diesel engine types. The approach and methods demonstrated in this study provide a suitable starting point for future research into reducing NOx emissions from diesel engines, particularly for engines with comparable specifications.
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12
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Chen L, Ren S, Zhou Y, Li X, Wang M, Chen Z, Yang J. Effects of doping Mn, Cu and Fe oxides on polyhedron CeO2 catalyst during NH3-SCR reaction. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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13
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Wang M, Su B, Ren S, Liu W, Yang J, Chen Z, Chen L. Different lead species deactivation on Mn-Ce activated carbon supported catalyst for low-temperature SCR of NO with NH3: Comparison of PbCl2, Pb (NO3)2 and PbSO4. J Colloid Interface Sci 2022; 622:549-561. [DOI: 10.1016/j.jcis.2022.04.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/14/2022] [Accepted: 04/21/2022] [Indexed: 10/18/2022]
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14
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The Role of Medium Acid Sites Tuned by Ce Adding in Moderate-Temperature NH3-SCR. Catal Letters 2022. [DOI: 10.1007/s10562-021-03797-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Unraveling the structure and role of Mn and Ce for NOx reduction in application-relevant catalysts. Nat Commun 2022; 13:2960. [PMID: 35618799 PMCID: PMC9135741 DOI: 10.1038/s41467-022-30679-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 05/11/2022] [Indexed: 11/08/2022] Open
Abstract
Mn-based oxides are promising for the selective catalytic reduction (SCR) of NOx with NH3 at temperatures below 200 °C. There is a general agreement that combining Mn with another metal oxide, such as CeOx improves catalytic activity. However, to date, there is an unsettling debate on the effect of Ce. To solve this, here we have systematically investigated a large number of catalysts. Our results show that, at low-temperature, the intrinsic SCR activity of the Mn active sites is not positively affected by Ce species in intimate contact. To confirm our findings, activities reported in literature were surface-area normalized and the analysis do not support an increase in activity by Ce addition. Therefore, we can unequivocally conclude that the beneficial effect of Ce is textural. Besides, addition of Ce suppresses second-step oxidation reactions and thus N2O formation by structurally diluting MnOx. Therefore, Ce is still an interesting catalyst additive.
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Jin Q, Shen Y, Mei C, Zhang Y, Zeng Y. Catalytic removal of NO and dioxins over W-Zr-Ox/Ti-Ce-Mn-Ox from flue gas: Performance and mechanism study. Catal Today 2022. [DOI: 10.1016/j.cattod.2020.05.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Du Y, Liu X, Liu J, Du R, Wu X. DeNO x performance enhancement of Cu-based oxides via employing a TiO 2 phase to modify LDH precursors. RSC Adv 2022; 12:10142-10153. [PMID: 35424927 PMCID: PMC8968189 DOI: 10.1039/d2ra00316c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 03/24/2022] [Indexed: 11/21/2022] Open
Abstract
CuAl-LDO, CuAl-LDO/TiO2 and CuAl-LDO/TiO2NTs catalysts were obtained from TiO2 modified LDHs precursor which were prepared by in situ assembly method. Then catalysts were evaluated in the selective catalytic reduction of NO x with NH3(NH3-SCR), and the results showed that the CuAl-LDO/TiO2NTs catalyst exhibited preferable deNO x performance (more than 80% NO x conversion and higher than 90% N2 selectivity at a temperature range of 210-330 °C) as well as good SO2 resistance. With the aid of series of characterizations such as XRD, N2 adsorption/desorption, XPS, NH3-TPD, H2-TPR, and in situ DRIFTS, it could be concluded that, doping TiO2NTs afforded the catalyst larger specific surface area, more abundant surface chemisorption oxygen species and more excellent redox performance. Meanwhile, In situ DRIFTS evidenced that CuAl-LDO/TiO2NTs catalyst has a strong adsorption capacity for the reaction gas, which is more conducive to the progress of the SCR reaction.
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Affiliation(s)
- Yali Du
- College of Chemistry and Chemical Engineering, Jinzhong University Jinzhong 030619 P. R. China
| | - Xuezhen Liu
- College of Chemistry and Chemical Engineering, Jinzhong University Jinzhong 030619 P. R. China
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology Taiyuan 030024 P. R. China +86-351-6018528 +86-351-6018528
| | - Jiangning Liu
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology Taiyuan 030024 P. R. China +86-351-6018528 +86-351-6018528
| | - Rongting Du
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology Taiyuan 030024 P. R. China +86-351-6018528 +86-351-6018528
| | - Xu Wu
- College of Chemistry and Chemical Engineering, Taiyuan University of Technology Taiyuan 030024 P. R. China +86-351-6018528 +86-351-6018528
- Shanxi Huadun Industrial Co., Ltd Taiyuan 030062 China
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18
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Jiang Z, Wang Q, Cai Y. Enhanced Catalytic Activity and SO2/H2O Tolerance for Selective Catalytic Reduction of NOx with NH3 over Titanate Nanotubes Supported MnOx–CeO2 Catalyst at Low Temperature. CATALYSIS SURVEYS FROM ASIA 2022. [DOI: 10.1007/s10563-022-09356-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Lu X, Dang Y, Li M, Zhu C, Liu F, Tang W, Weng J, Ruan M, Suib SL, Gao PX. Synergistic promotion of transition metal ion-exchange in TiO 2 nanoarray-based monolithic catalysts for the selective catalytic reduction of NO x with NH 3. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00996j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The improved performance of the multi-component Cu–Ce–Mn/TNA catalysts over the mono-metallic catalysts demonstrated the synergistic promotion of multi-transition-metal-doped nanoarray catalysts for efficient NO abatement.
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Affiliation(s)
- Xingxu Lu
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Yanliu Dang
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Meilin Li
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, USA
| | - Chunxiang Zhu
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Fangyuan Liu
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Wenxiang Tang
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Junfei Weng
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Mingyue Ruan
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Steven L. Suib
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, USA
| | - Pu-Xian Gao
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
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20
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Molybdenum boron based catalysts loaded on MnO alumina support for hydrodesulfurization of dibenzothiophene. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109237] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Li Y, Hou Y, Zhang Y, Yang Y, Huang Z. Confinement of MnO x@Fe 2O 3 core-shell catalyst with titania nanotubes: Enhanced N 2 selectivity and SO 2 tolerance in NH 3- SCR process. J Colloid Interface Sci 2021; 608:2224-2234. [PMID: 34772500 DOI: 10.1016/j.jcis.2021.10.078] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/05/2021] [Accepted: 10/14/2021] [Indexed: 10/20/2022]
Abstract
Surface interface regulation is an important research content in the field of heterogeneous catalysis. To improve the interface interaction between the active component and matrix, tremendous efforts have been dedicated to tailoring the morphology, size, and structure of composite catalysts. In this work, we report a confinement strategy to synthesize a series of core-shell catalysts loaded with metal oxides on titania nanotubes (TNTs), which were applied to the selective catalytic reduction of NOx with ammonia. Interestingly, the core-shell catalyst with confinement of TNTs exhibited the remarkable activity at low temperature region, N2 selectivity and sulfur tolerance. Benefiting from the superior interfacial confinement characteristic of TNTs and Fe2O3, strong component interactions, the surface acid sites and strong oxidizability of MnOx were properly regulated, thus obtained the outstanding activity, N2 selectivity and provide chemical protection to effectively prevent SO2 poisoning. As far as the reaction mechanism, we found that the adsorption and reactivity of Lewis acid sites were the dominant factors affecting the activity in the NH3-SCR process by in situ DRIFT spectra. In general, our work provides an innovative strategy for constructing an TNTs-enwrapped nanocomposite with nano-confinement and core-shell structure to improve the low temperature SCR process.
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Affiliation(s)
- Yifan Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yaqin Hou
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China.
| | - Yongzhao Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yatao Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Zhanggen Huang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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22
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Zhao H, Guo L, Gao W, Chen F, Wu X, Wang K, He Y, Zhang P, Yang G, Tsubaki N. Multi-Promoters Regulated Iron Catalyst with Well-Matching Reverse Water-Gas Shift and Chain Propagation for Boosting CO2 Hydrogenation. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101700] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Jiang L, Jiang X, Liu W, Wu H, Hu G, Yang J, Cao J, Liu Y, Liu Q. Comparative study on the physicochemical properties and de-NOx performance of waste bamboo-derived low-temperature NH3-SCR catalysts. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04567-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Pr-modified MnO catalysts for selective reduction of NO with NH3 at low temperature. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.06.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Preparation of K Modified Three-Dimensionally Ordered Macroporous MnCeOx/Ti0.7Si0.3O2 Catalysts and Their Catalytic Performance for Soot Combustion. Processes (Basel) 2021. [DOI: 10.3390/pr9071149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Soot particles in diesel engine exhaust is one of the main reasons for hazy weather and elimination of them is urgent for environmental protection. At present, it is still a challenge to develop new catalysts with high efficiency and low cost. In this paper, a kind of K modified three-dimensionally ordered macroporous (3DOM) MnCeOx/Ti0.7Si0.3O2 catalysts are designed and synthesized by a sample method. Due to the macroporous structure and synergistic effect of K, Mn, and Ce, the KnMnCeOx/Ti0.7Si0.3O2 (KnMnCeOx/M-TSO) catalysts exhibit good catalytic performance for soot combustion. The catalytic activity of K0.5MnCeOx/M-TSO was the best, and the T10, T50, and T90 are 287, 336, and 367 °C, respectively. After the prepared catalyst was doped with K, the physicochemical properties and catalytic performance changed significantly. In addition, the K0.5MnCeOx/M-TSO catalyst also somewhat exhibits sulfur tolerance owing to it containing Ti. Because of its simple synthesis, high activity, and low cost, the prepared KnMnCeOx/M-TSO catalysts are regarded as a promising candidate for application.
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26
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Facile synthesis of hollow nanotube MnCoOx catalyst with superior resistance to SO2 and alkali metal poisons for NH3-SCR removal of NOx. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118517] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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27
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do Carmo JVC, Lima CL, Mota G, Santos AMS, Costa LN, Ghosh A, Viana BC, Silva M, Soares JM, Tehuacanero-Cuapa S, Lang R, Oliveira AC, Rodríguez-Castellón E, Rodríguez-Aguado E. Effects of the Incorporation of Distinct Cations in Titanate Nanotubes on the Catalytic Activity in NO x Conversion. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2181. [PMID: 33923161 PMCID: PMC8123014 DOI: 10.3390/ma14092181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 11/29/2022]
Abstract
Effects of the incorporation of Cr, Ni, Co, Ag, Al, Ni and Pt cations in titanate nanotubes (NTs) were examined on the NOx conversion. The structural and morphological characterizations evidenced that the ion-exchange reaction of Cr, Co, Ni and Al ions with the NTs produced catalysts with metals included in the interlayer regions of the trititanate NTs whereas an assembly of Ag and Pt nanoparticles were either on the nanotubes surface or inner diameters through an impregnation process. Understanding the role of the different metal cations intercalated or supported on the nanotubes, the optimal selective catalytic reduction of NOx by CO reaction (SCR) conditions was investigated by carrying out variations in the reaction temperature, SO2 and H2O poisoning and long-term stability runs. Pt nanoparticles on the NTs exhibited superior activity compared to the Cr, Co and Al intercalated in the nanotubes and even to the Ag and Ni counterparts. Resistance against SO2 poisoning was low on NiNT due to the trititanate phase transformation into TiO2 and also to sulfur deposits on Ni sites. However, the interaction between Pt2+ from PtOx and Ti4+ in the NTs favored the adsorption of both NOx and CO enhancing the catalytic performance.
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Affiliation(s)
- José Vitor C. do Carmo
- Department of Analytical and Chemical-Physic Chemistry, Pici Campus-Block 940, Federal University of Ceará, Fortaleza 60040-531, Brazil; (J.V.C.d.C.); (G.M.)
| | - Cleanio L. Lima
- Material Science and Engineering & Physics Department, Federal University of Piauí, Teresina 64049-550, Brazil; (C.L.L.); (A.M.S.S.); (L.N.C.); (A.G.); (B.C.V.)
| | - Gabriela Mota
- Department of Analytical and Chemical-Physic Chemistry, Pici Campus-Block 940, Federal University of Ceará, Fortaleza 60040-531, Brazil; (J.V.C.d.C.); (G.M.)
| | - Ariane M. S. Santos
- Material Science and Engineering & Physics Department, Federal University of Piauí, Teresina 64049-550, Brazil; (C.L.L.); (A.M.S.S.); (L.N.C.); (A.G.); (B.C.V.)
| | - Ludyane N. Costa
- Material Science and Engineering & Physics Department, Federal University of Piauí, Teresina 64049-550, Brazil; (C.L.L.); (A.M.S.S.); (L.N.C.); (A.G.); (B.C.V.)
| | - Anupama Ghosh
- Material Science and Engineering & Physics Department, Federal University of Piauí, Teresina 64049-550, Brazil; (C.L.L.); (A.M.S.S.); (L.N.C.); (A.G.); (B.C.V.)
| | - Bartolomeu C. Viana
- Material Science and Engineering & Physics Department, Federal University of Piauí, Teresina 64049-550, Brazil; (C.L.L.); (A.M.S.S.); (L.N.C.); (A.G.); (B.C.V.)
| | - Monique Silva
- Fortaleza Campus, Federal Institute of Education—IFCE, Av. 13 de Maio, 2081, Benfica, Fortaleza 60040-531, Brazil;
| | - João M. Soares
- Physics Department, State University of Rio Grande do Norte-UERN, BR 110-km 48, R. Prof. Antônio Campos, Costa e Silva, Mossoró 59610-210, Brazil;
| | - Samuel Tehuacanero-Cuapa
- Central Microscopy Laboratory, Physics Institute—UNAM, Research Circuit s/n, University City, Coyoacán, Mexico City 04510, Mexico;
| | - Rossano Lang
- Institute of Science and Technology—ICT, Federal University of São Paulo—UNIFESP, São José dos Campos 12231-280, Brazil;
| | - Alcineia C. Oliveira
- Department of Analytical and Chemical-Physic Chemistry, Pici Campus-Block 940, Federal University of Ceará, Fortaleza 60040-531, Brazil; (J.V.C.d.C.); (G.M.)
| | | | - Elena Rodríguez-Aguado
- Department of Inorganic Chemistry, Faculty of Science, University of Málaga, 29071 Málaga, Spain;
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28
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Zhu W, Chen X, Li C, Liu Z, Liang C. Manipulating morphology and surface engineering of spinel cobalt oxides to attain high catalytic performance for propane oxidation. J Catal 2021. [DOI: 10.1016/j.jcat.2021.02.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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29
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Fei X, Wang P, Zhang D, Wang H, Wu Z. Confined Catalysts Application in Environmental Catalysis: Current Research Progress and Future Prospects. ChemCatChem 2021. [DOI: 10.1002/cctc.202001578] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Xiaoqi Fei
- Key Laboratory of Environment Remediation and Ecological Health Ministry of Education College of Environmental & Resources Science Zhejiang University Hangzhou 310058 P.R. China
- Zhejiang Provincial Engineering Research Center of Industrial Boiler & Furnace Flue Gas Pollution Control Hangzhou 310058 P. R. China
| | - Penglu Wang
- International Joint Laboratory of Catalytic Chemistry Department of Chemistry Research Center of Nano Science and Technology College of Sciences Shanghai University Shanghai 200444 P. R. China
| | - Dengsong Zhang
- International Joint Laboratory of Catalytic Chemistry Department of Chemistry Research Center of Nano Science and Technology College of Sciences Shanghai University Shanghai 200444 P. R. China
| | - Haiqiang Wang
- Key Laboratory of Environment Remediation and Ecological Health Ministry of Education College of Environmental & Resources Science Zhejiang University Hangzhou 310058 P.R. China
- Zhejiang Provincial Engineering Research Center of Industrial Boiler & Furnace Flue Gas Pollution Control Hangzhou 310058 P. R. China
| | - Zhongbiao Wu
- Key Laboratory of Environment Remediation and Ecological Health Ministry of Education College of Environmental & Resources Science Zhejiang University Hangzhou 310058 P.R. China
- Zhejiang Provincial Engineering Research Center of Industrial Boiler & Furnace Flue Gas Pollution Control Hangzhou 310058 P. R. China
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30
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Huang B, Fang H, Huang H, Lu M, Yu C. A one-pot synthesis of Cu-modified Mn-rich MnSAPO-34 catalyst with excellent low temperature NH3-selective catalytic reduction performance and H2O resistance. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.12.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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31
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Sun P, Fan K, Cheng X, Qian Z, Wang Z, Wang L, Jen TC. Decoupled NOx adsorption and reduction by CO over catalyst Fe/ZSM-5: A DFT study. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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32
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Zhu B, Chen W, Wang J, Sun Y, Song W, Zi Z, Yu H, Liu E. Heavy metal poisoning resistance of a Co-modified 3Mn10Fe/Ni low-temperature SCR deNOx catalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:14546-14554. [PMID: 33215277 DOI: 10.1007/s11356-020-11667-2] [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: 07/13/2020] [Accepted: 11/12/2020] [Indexed: 06/11/2023]
Abstract
Heavy metals have a great influence on the deNOx efficiency of catalysts. The 3Mn10Fe/Ni catalyst that used nickel foam (Ni) as the carrier, Mn and Fe as the active components, and Co as a trace auxiliary was prepared using an impregnation method. The catalysts poisoned by Pb or Zn and Co-modified catalysts with Pb or Zn poisoning were studied. The addition of Pb or Zn significantly decreases the deNOx activity of the 3Mn10Fe/Ni catalyst due to the decrease in the content of high-valence metal elements such as Fe3+ and Mn4+, lattice oxygen concentration, reduction performance, acidity, and the number of acid sites. However, after Co modification, the deNOx activity of the poisoned catalysts can be improved effectively because the strong interaction between Pb or Zn and lattice oxygen is weakened, and the contents of lattice oxygen, high valence metal elements, reduction ability, and the number of acid sites increase.
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Affiliation(s)
- Baozhong Zhu
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China
| | - Weiqi Chen
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China
| | - Jinghui Wang
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China
| | - Yunlan Sun
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China.
| | - Weiyi Song
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China
| | - Zhaohui Zi
- School of Energy and Environment, Anhui University of Technology, Maanshan, 243002, Anhui, People's Republic of China
| | - Hailong Yu
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China
| | - Enhai Liu
- School of Petroleum Engineering, Changzhou University, Changzhou, 213164, Jiangsu, People's Republic of China
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33
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Yang L, Zhang H, Tao P, Lu X, Li X, Wang C, Wang B, Yue F, Zhou D, Xia Q. Microwave-Assisted Air Epoxidation of Mixed Biolefins over a Spherical Bimetal ZnCo-MOF Catalyst. ACS APPLIED MATERIALS & INTERFACES 2021; 13:8474-8487. [PMID: 33570391 DOI: 10.1021/acsami.0c22317] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Here, we report the synthesis of spherical bimetal ZnCo-MOF materials by a hydrothermal rotacrystallization method and their catalytic activity on the air epoxidation of mixed biolefins enhanced by microwaves. The structural and chemical properties of the ZnCo-MOF materials were fully characterized by XRD, IR, SEM, TG, XPS, and NH3-TPD. The morphology of the material exhibited a three-dimensional spherical structure. From an NH3-TPD test of the ZnCo-MOF catalyst, it could be concluded that the Zn0.1Co1-MOF-H-150 rpm material had the highest acidic content and the strongest acidity among the catalysts synthesized by different methods, which gave the best performance in the epoxidation of mixed biolefins. The air epoxidation reaction was carried out under atmospheric pressure and microwave conditions, in the absence of any initiator or coreducing agent. Moreover, the Zn0.1Co1-MOF catalyst could be recycled six times without reducing the catalytic activity significantly, which showed the stability of spherical catalyst material under microwaves.
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Affiliation(s)
- Lu Yang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Haifu Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Peipei Tao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Xinhuan Lu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Xixi Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Chenlong Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Beibei Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Fanfan Yue
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Dan Zhou
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Qinghua Xia
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & Ministry-of-Education Key Laboratory for Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
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34
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A Study on the Offset Deactivation Effect of Potassium and Phosphorus on MnEuO
x
SCR Catalyst. ChemCatChem 2021. [DOI: 10.1002/cctc.202002019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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35
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Zhang J, Tian H, Yu Y, Jiang Z, Ma M, He C. Novel CuO@TiO2 Core–Shell Nanostructure Catalyst for Selective Catalytic Reduction of NOx with NH3. Catal Letters 2021. [DOI: 10.1007/s10562-020-03515-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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36
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Ji S, Li Z, Song K, Li H, Li Y, Yang J, Li M, Yang C. Fabrication of a wide temperature Mn–Ce/TNU-9 catalyst with superior NH 3-SCR activity and strong SO 2 and H 2O tolerance. NEW J CHEM 2021. [DOI: 10.1039/d0nj05404f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Mn–Ce/TNU-9 catalyst demonstrated excellent sulfur and water resistance and good catalytic stability in the NH3-SCR reaction.
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Affiliation(s)
- Shuai Ji
- School of Chemistry and Chemical Engineering
- Qiqihar University
- Qiqihar
- China
| | - Zhifang Li
- School of Materials Science and Engineering
- Qiqihar University
- Qiqihar
- China
- State Key Laboratory of Polymer Matrix Composites
| | - Kun Song
- School of Chemistry and Chemical Engineering
- Qiqihar University
- Qiqihar
- China
| | - Hairui Li
- School of Chemistry and Chemical Engineering
- Qiqihar University
- Qiqihar
- China
| | - Yueyu Li
- School of Materials Science and Engineering
- Qiqihar University
- Qiqihar
- China
| | - Jian Yang
- School of Materials Science and Engineering
- Qiqihar University
- Qiqihar
- China
| | - Mingjie Li
- School of Materials Science and Engineering
- Qiqihar University
- Qiqihar
- China
| | - Chonglong Yang
- School of Chemistry and Chemical Engineering
- Qiqihar University
- Qiqihar
- China
- School of Materials Science and Engineering
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37
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Zhao S, Shi JW, Niu C, Wang B, He C, Liu W, Xiao L, Ma D, Wang H, Cheng Y. FeVO 4-supported Mn–Ce oxides for the low-temperature selective catalytic reduction of NO x by NH 3. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01424b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Iron vanadate (FeVO4) nanorods are used as a carrier to support manganese (Mn) and cerium (Ce) oxides for the selective catalytic reduction (SCR) of nitrogen oxides (NOx) with NH3 for the first time.
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Affiliation(s)
- Shuqi Zhao
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jian-Wen Shi
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Cihang Niu
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Baorui Wang
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Chi He
- 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, China
| | - Wei Liu
- Qiyuan (Xi'an) Dae Young Environmental Protection Technology Co., Ltd., Xi'an 710018, China
| | - Lei Xiao
- Qiyuan (Xi'an) Dae Young Environmental Protection Technology Co., Ltd., Xi'an 710018, China
| | - Dandan Ma
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Hongkang Wang
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Yonghong Cheng
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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38
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Kuma R, Kitano T, Tsujiguchi T, Tanaka T. Deactivation Mechanism and Enhanced Durability of V
2
O
5
/TiO
2
–SiO
2
–MoO
3
Catalysts for NH
3
−SCR in the Presence of SO
2. ChemCatChem 2020. [DOI: 10.1002/cctc.202001155] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ryoji Kuma
- New Energy Materials Research Department Nippon Shokubai Co. Ltd. Himeji Hyogo 671-1292 Japan
| | - Tomoyuki Kitano
- Analysis Technology Center Nippon Shokubai Co. Ltd. Suita Osaka 564-0034 Japan
| | - Takuya Tsujiguchi
- New Energy Materials Research Department Nippon Shokubai Co. Ltd. Himeji Hyogo 671-1292 Japan
| | - Tsunehiro Tanaka
- Department of Molecular Engineering Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB) Kyoto University Kyoto 615-8510 Japan
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39
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Li M, Guo Y, Yang J. Spatially Nanoconfined Architectures: A Promising Design for Selective Catalytic Reduction of NO
x. ChemCatChem 2020. [DOI: 10.1002/cctc.202001024] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Minhan Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai 201620 P. R. China
| | - Yangyang Guo
- Beijing Engineering Research Centre of Process Pollution Control National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Jianping Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai 201620 P. R. China
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40
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Wu Z, Chen H, Wan Z, Zhang S, Zeng Y, Guo H, Zhong Q, Li X, Han J, Rong W. Promotional Effect of S Doping on V2O5–WO3/TiO2 Catalysts for Low-Temperature NOx Reduction with NH3. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00327] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zihua Wu
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Hao Chen
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Zhongdang Wan
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Shule Zhang
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Yiqing Zeng
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Haiwei Guo
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Qin Zhong
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Xiaohai Li
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Jiayou Han
- Shanghai Meishan Steel Corporation Ltd., Nanjing 210039, P. R. China
| | - Weilong Rong
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
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41
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Effect of Gold Nanoparticles on MnOx/TiO2 Nanostructures for Improving the CO Oxidation at Low Temperature. Top Catal 2020. [DOI: 10.1007/s11244-019-01220-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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42
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Wang C, Sani Z, Tang X, Wang Y, Yi H, Gao F. Novel Ni‐Mn Bi‐oxides Doped Active Coke Catalysts for NH
3
‐SCR De‐NOx at Low Temperature. ChemistrySelect 2020. [DOI: 10.1002/slct.202001489] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chengzhi Wang
- School of Energy and Environmental EngineeringUniversity of Science and Technology Beijing Beijing 100083 P. R. China
| | - Zaharaddeen Sani
- School of Energy and Environmental EngineeringUniversity of Science and Technology Beijing Beijing 100083 P. R. China
| | - Xiaolong Tang
- School of Energy and Environmental EngineeringUniversity of Science and Technology Beijing Beijing 100083 P. R. China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial PollutantsUniversity of Science and Technology Beijing Beijing 100083 P. R. China
| | - Yuhe Wang
- School of Energy and Environmental EngineeringUniversity of Science and Technology Beijing Beijing 100083 P. R. China
| | - Honghong Yi
- School of Energy and Environmental EngineeringUniversity of Science and Technology Beijing Beijing 100083 P. R. China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial PollutantsUniversity of Science and Technology Beijing Beijing 100083 P. R. China
| | - Fengyu Gao
- School of Energy and Environmental EngineeringUniversity of Science and Technology Beijing Beijing 100083 P. R. China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial PollutantsUniversity of Science and Technology Beijing Beijing 100083 P. R. China
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43
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Comparison of the Performance of Au, Pt and Rh Nanoparticles Supported on Mn/Alkali Titanate Nanotubes in Formaldehyde Oxidation at Room Temperature. Catal Letters 2020. [DOI: 10.1007/s10562-020-03254-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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44
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Du Y, Liu J, Li X, Liu L, Wu X. SCR performance enhancement of NiMnTi mixed oxides catalysts by regulating assembling methods of LDHs‐Based precursor. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yali Du
- College of Chemistry and Chemical EngineeringJinzhong University Jinzhong 030619 People's Republic of China
| | - Jiangning Liu
- College of Chemistry and Chemical EngineeringTaiyuan University of Technology Taiyuan 030024 People's Republic of China
| | - Xiaojian Li
- College of Chemistry and Chemical EngineeringTaiyuan University of Technology Taiyuan 030024 People's Republic of China
| | - Lili Liu
- College of Chemistry and Chemical EngineeringTaiyuan University of Technology Taiyuan 030024 People's Republic of China
| | - Xu Wu
- College of Chemistry and Chemical EngineeringTaiyuan University of Technology Taiyuan 030024 People's Republic of China
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45
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Xu Q, Fang Z, Chen Y, Guo Y, Guo Y, Wang L, Wang Y, Zhang J, Zhan W. Titania-Samarium-Manganese Composite Oxide for the Low-Temperature Selective Catalytic Reduction of NO with NH 3. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:2530-2538. [PMID: 31990529 DOI: 10.1021/acs.est.9b06701] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A novel Ti-doped Sm-Mn mixed oxide (TiSmMnOx) was first designed for the selective catalytic reduction (SCR) of NOx with NH3 at a low temperature. The TiSmMnOx catalyst exhibited a superior catalytic performance, in which NOx conversion higher than 80% and N2 selectivity above 90% could be achieved in a wide-operating temperature window (60-225 °C). Specially, the catalyst also showed high durability against the large space velocity and excellent SO2/H2O resistance. Ti incorporation can efficiently inhibit MnOx crystallization and tune the MnOx phase during calcination at a high temperature. Subsequently, a high specific surface area as well as an increased amount of acid sites on the TiSmMnOx catalysts were produced. Further, the reducibility of the Sm-doped MnOx catalyst was modulated, facilitating NO oxidation and inhibiting NH3 nonselective oxidation. Consequently, a superior SCR activity was achieved at a low temperature and the operating temperature window of the TiSmMnOx catalyst was significantly widened. These findings may provide new insights into the reasonable design and development of the new non-vanadium catalysts with a high NH3-SCR activity for industrial application.
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Affiliation(s)
- Qian Xu
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Zhilin Fang
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Yiyuan Chen
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Yanglong Guo
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Yun Guo
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Li Wang
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Yunsong Wang
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
| | - Jinshui Zhang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , 2 Xueyuan Road , University Town, Fuzhou 350108 , China
| | - Wangcheng Zhan
- Key Laboratory for Advanced Materials and Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
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46
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Room-temperature reduction of NO 2 in a Li-NO 2 battery: a proof of concept. Sci Bull (Beijing) 2020; 65:55-61. [PMID: 36659069 DOI: 10.1016/j.scib.2019.10.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/02/2019] [Accepted: 10/07/2019] [Indexed: 01/21/2023]
Abstract
Although considerable effort has been devoted to purifying nitrogen oxides (NOx), it is still challenging to effectively reduce NOx at room temperature and ambient pressure without catalysts. In this study, as a proof-of-concept, we have for the first time demonstrated the room-temperature reduction of nitrogen dioxide (NO2) using a rechargeable lithium-nitrogen dioxide (Li-NO2) battery. The battery shows a capacity of 884 mAh g-1 at 50 mA g-1 (an actual energy density of 666 Wh kg-1) and a promising electrochemical Faraday efficiency (FE) of 67%. The unique properties of Li-NO2 rechargeable batteries not only provide a way to reduce and recycle NO2 but also highlight the potential of oxidative air pollutants as energy sources for next-generation electrochemical energy storage (EES) systems.
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47
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Gu J, Zhu B, Duan R, Chen Y, Wang S, Liu L, Wang X. Highly dispersed MnO x–FeO x supported by silicalite-1 for the selective catalytic reduction of NO x with NH 3 at low temperatures. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00001a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
MnOx–FeOx-Loaded silicalite-1 catalysts exhibit high NOx conversion at low temperatures.
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Affiliation(s)
- Jialiang Gu
- Beijing Key Laboratory for Solid Waste Utilization and Management
- Department of Energy and Resources Engineering
- College of Engineering
- Peking University
- Beijing 100871
| | - Bingjun Zhu
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - Rudi Duan
- Beijing Key Laboratory for Solid Waste Utilization and Management
- Department of Energy and Resources Engineering
- College of Engineering
- Peking University
- Beijing 100871
| | - Yan Chen
- State Key Joint Laboratory of Environment Simulation and Pollution Control
- School of Environment
- Tsinghua University
- Beijing
- PR China
| | - Shaoxin Wang
- Beijing Key Laboratory for Solid Waste Utilization and Management
- Department of Energy and Resources Engineering
- College of Engineering
- Peking University
- Beijing 100871
| | - Lili Liu
- Beijing Key Laboratory for Solid Waste Utilization and Management
- Department of Energy and Resources Engineering
- College of Engineering
- Peking University
- Beijing 100871
| | - Xidong Wang
- Beijing Key Laboratory for Solid Waste Utilization and Management
- Department of Energy and Resources Engineering
- College of Engineering
- Peking University
- Beijing 100871
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48
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49
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Li G, Mao D, Chao M, Li G, Yu J, Guo X. Significantly enhanced Pb resistance of a Co-modified Mn–Ce–O x/TiO 2 catalyst for low-temperature NH 3-SCR of NO x. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01066a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Co modification can significantly improve the performance for low-temperature NH3-SCR of NOx and the Pb resistance of the Mn–Ce–Ox/TiO2 catalyst.
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Affiliation(s)
- Gehua Li
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- PR China
| | - Dongsen Mao
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- PR China
| | - Mengxi Chao
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- PR China
| | - Gang Li
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- PR China
| | - Jun Yu
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- PR China
| | - Xiaoming Guo
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- PR China
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50
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Yu Y, Zhang J, Chen C, Ma M, He C, Miao J, Li H, Chen J. Selective catalytic reduction of NOx with NH3 over TiO2 supported metal sulfate catalysts prepared via a sol–gel protocol. NEW J CHEM 2020. [DOI: 10.1039/d0nj02647f] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Metal sulfate catalysts exhibited high SO2 tolerance in the NH3-SCR reaction. The NH3-SCR reaction mechanism on metal sulfate catalysts should follow the Eley–Rideal mechanism.
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Affiliation(s)
- Yanke Yu
- Department of Environmental Science and Engineering
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Jiali Zhang
- Department of Environmental Science and Engineering
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Changwei Chen
- Department of Environmental Science and Engineering
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Mudi Ma
- Department of Environmental Science and Engineering
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Chi He
- Department of Environmental Science and Engineering
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Jifa Miao
- Center for Excellence in Regional Atmospheric Environment
- Institute of Urban Environment
- Chinese Academy of Sciences
- Xiamen
- P. R. China
| | - Huirong Li
- Center for Excellence in Regional Atmospheric Environment
- Institute of Urban Environment
- Chinese Academy of Sciences
- Xiamen
- P. R. China
| | - Jinsheng Chen
- Center for Excellence in Regional Atmospheric Environment
- Institute of Urban Environment
- Chinese Academy of Sciences
- Xiamen
- P. R. China
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