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Lapa HM, Martins LMDRS. Toluene Oxidation: CO 2 vs Benzaldehyde: Current Status and Future Perspectives. ACS OMEGA 2024; 9:26780-26804. [PMID: 38947821 PMCID: PMC11209706 DOI: 10.1021/acsomega.4c01023] [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: 01/31/2024] [Revised: 05/21/2024] [Accepted: 05/24/2024] [Indexed: 07/02/2024]
Abstract
Toluene is a common and significant volatile organic compound (VOC). Although it finds extensive application in various industrial processes (chemical manufacturing, paint and adhesive production, and as a solvent), it creates a huge environmental impact when emitted freely into the atmosphere. Two solutions were found to mitigate the emission of this pollutant: the total oxidation to CO2 and H2O and the selective oxidation into benzaldehyde. This review discusses the two main alternatives for tackling this problem: converting the toluene into carbon dioxide by total oxidation or into benzaldehyde by selective oxidation. It presents new catalytic advances, new trends, and the advantages and disadvantages of both methods.
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Affiliation(s)
- Hugo M. Lapa
- Centro
de Química Estrutural, Institute of Molecular Sciences, Instituto
Superior Técnico, Universidade de
Lisboa, Lisboa 1049-001, Portugal
- Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Lisboa 1049-001, Portugal
- Departamento
de Engenharia Química, Instituto Superior de Engenharia de
Lisboa, Instituto Politécnico de
Lisboa, 1059-007 Lisboa, Portugal
| | - Luísa M. D. R. S. Martins
- Centro
de Química Estrutural, Institute of Molecular Sciences, Instituto
Superior Técnico, Universidade de
Lisboa, Lisboa 1049-001, Portugal
- Departamento
de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Lisboa 1049-001, Portugal
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2
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Liu H, Li H, Lu B, Li S, Zhao J, Cai Q. Multicomponent Co-Zr-P-W-O immobilized zeolites toward solvent-free oxidation of toluene to benzaldehyde. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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3
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Shen HM, Ye HL, Ni JY, Wang KK, Zhou XY, She YB. Oxidation of α-C-H bonds in alkyl aromatics with O2 catalyzed by highly dispersed cobalt(II) coordinated in confined reaction channel of porphyrin-based POFs with simultaneously enhanced conversion and selectivity. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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4
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Zhao H, Fang J, Xu D, Li J, Li B, Zhao H, Dong Z. Multistep protection strategy for preparation of atomically dispersed Fe–N catalysts for selective oxidation of ethylbenzene to acetophenone. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01742j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Atomically dispersed Fe atoms on three-dimensional N-doped hollow carbon spheres single-atom catalyst was prepared, which exhibit excellent catalytic performance for the catalytic oxidation of ethylbenzene under mild reaction conditions.
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Affiliation(s)
- Hong Zhao
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
| | - Jian Fang
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
| | - Dan Xu
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
| | - Jianfeng Li
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
| | - Boyang Li
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
| | - Huacheng Zhao
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
| | - Zhengping Dong
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China
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Zhu L, Luo Y, He Y, Yang M, Zhang Y, Fan M, Li Q. Selective catalytic synthesis of bio-based high value chemical of benzoic acid from xylan with Co2MnO4@MCM-41 catalyst. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2021.112063] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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6
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Bai J, Huang J, Jiang Q, Li Y, Wang H, Yu H, Zhang Q, Cao Y, Peng F. Radical Propagation Facilitating Aerobic Oxidation of Substituted Aromatics Promoted by Tert‐Butyl Hydroperoxide. ChemistrySelect 2021. [DOI: 10.1002/slct.202101805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Jiatong Bai
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou 510640 China
| | - Jiangnan Huang
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou 510640 China
| | - Qi Jiang
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou 510640 China
| | - Yuhang Li
- School of Chemistry Sun Yat-sen University Guangzhou 510275 China
| | - Hongjuan Wang
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou 510640 China
| | - Hao Yu
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou 510640 China
| | - Qiao Zhang
- Guangzhou Key Laboratory for New Energy and Green Catalysis School of Chemistry and Chemical Engineering Guangzhou University Guangzhou 510006 China
| | - Yonghai Cao
- School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product Technology South China University of Technology Guangzhou 510640 China
| | - Feng Peng
- Guangzhou Key Laboratory for New Energy and Green Catalysis School of Chemistry and Chemical Engineering Guangzhou University Guangzhou 510006 China
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Abstract
Thanks to the well-recognized role of benzaldehyde in industry, nowadays the research of new and sustainable approaches to selectively synthesize such an interesting product is receiving great attention from the chemists’ community. In this paper, a V-based catalytic biphasic system is adopted to perform toluene oxidation to benzaldehyde. Importantly, to pursue sustainability, organic solvents have been avoided, so toluene is used as substrate and co-solvent, together with water. Also, the use of hydrophobic ionic liquids has been explored. To perform oxidation, NH4VO3 catalyst, H2O2, and a safe and inexpensive co-catalyst are used. Among the tested co-catalysts, KF and O2 were found to be the best choice, to guarantee good yields, in mild reaction conditions. In fact, with such a sustainable method, up to 30% of benzaldehyde can be obtained at 60 °C and, more interestingly, the oxidative system can be recharged, raising-up the yield. The entire process results highly selective, since no traces of benzyl alcohol or benzoic acid are detected. Hence, it constitutes a very appealing synthetic route, even suitable to be easily scaled-up at an industrial level.
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Aryanejad S, Motlagh NV. Investigation of the carbon dioxide adsorption behavior and the heterogeneous catalytic efficiency of a novel Ni-MOF with nitrogen-rich channels. RSC Adv 2020; 10:29772-29779. [PMID: 35518249 PMCID: PMC9056285 DOI: 10.1039/d0ra05233g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 07/20/2020] [Indexed: 11/21/2022] Open
Abstract
MOFs have attracted remarkable attention as solid sorbents in CO2 capture processes for their low-energy post-combustion. In this paper, a new Ni-based MOF, Ni4(TATB)1.5(EtO)3.5(NEt3)4, was synthesized and characterized using various physicochemical techniques. The efficiency of the as-prepared Ni-MOF as a solid sorbent for CO2 capture was investigated, and acceptable adsorption was exhibited. Furthermore, this Ni-MMOF was used as a catalyst in toluene selective oxidation, for eliminating a volatile organic compound, with tert-butyl hydroperoxide as an oxidant in the absence of organic solvents. The obtained results indicated that Ni-MOF has good catalytic activity and could be reused three times without considerable loss of its catalytic activity. This study highlights the great potential of developing MOFs to achieve green chemistry goals with the removal of hazardous liquid and gas compounds such as toluene and CO2. MOFs have attracted remarkable attention as solid sorbents in CO2 capture processes for their low-energy post-combustion.![]()
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Affiliation(s)
- Sima Aryanejad
- Department of Chemistry, Faculty of Science, University of Birjand Birjand Iran +98-5632202515 +98-9153636841
| | - Naser Valipour Motlagh
- Department of Chemistry, Faculty of Science, University of Birjand Birjand Iran +98-5632202515 +98-9153636841
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Shen HM, Qi B, Hu MY, Liu L, Ye HL, She YB. Selective Solvent-Free and Additive-Free Oxidation of Primary Benzylic C–H Bonds with O2 Catalyzed by the Combination of Metalloporphyrin with N-Hydroxyphthalimide. Catal Letters 2020. [DOI: 10.1007/s10562-020-03214-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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