1
|
Iltsiou D, Mielby J, Kegnaes S. Direct Conversion of CO 2 into Alcohols Using Cu-Based Zeolite Catalysts. Chempluschem 2024; 89:e202300313. [PMID: 37902603 DOI: 10.1002/cplu.202300313] [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: 06/29/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 10/31/2023]
Abstract
The direct hydrogenation of CO2 into alcohols is an attractive but challenging catalytic reaction. Herein, it was shown that Cu nanoparticles supported on MFI and BEA zeolites have high catalytic activity and selectivity for converting CO2 into ethanol and isopropanol. Furthermore, we investigated the effect of introducing mesopores via carbon templating and encapsulating the Cu nanoparticles via subsequent recrystallization. All the catalysts were characterized by N2 physisorption, XRD, SEM, TEM, NH3 TPD, XPS, and XRF, before we tested them in a high-pressure water-filled autoclave with a constant partial pressure of CO2 (1 MPa) and an increasing partial pressure of H2 (3-5 MPa). In general, the mesoporous zeolite catalysts resulted in a higher CO2 conversion and selectivity toward ethanol than their non-mesoporous equivalents, while the recrystallized catalyst with encapsulated Cu nanoparticles had a higher selectivity towards isopropanol. For example, Cu@m-S1 showed the highest isopropanol productivity among the recrystallized mesoporous zeolites, corresponding to 20.51 mmol g-1 h-1 under the given reaction conditions. These findings highlight the importance of mesopores in zeolite catalysts for CO2 hydrogenation to alcohols and point a new direction for further research and development.
Collapse
Affiliation(s)
- Dimitra Iltsiou
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs., Lyngby, Denmark
| | - Jerrik Mielby
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs., Lyngby, Denmark
| | - Søren Kegnaes
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs., Lyngby, Denmark
| |
Collapse
|
2
|
Yakovenko RE, Bakun VG, Zubkov IN, Papeta OP, Saliev AN, Agliullin MR, Savost’yanov AP. Fischer–Tropsch Synthesis on Bifunctional Cobalt Catalysts with the Use of Hierarchical Zeolite HBeta. KINETICS AND CATALYSIS 2022. [DOI: 10.1134/s0023158422040139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
3
|
Istadi I, Amalia R, Riyanto T, Anggoro DD, Jongsomjit B, Putranto AB. Acids treatment for improving catalytic properties and activity of the spent RFCC catalyst for cracking of palm oil to kerosene-diesel fraction fuels. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
4
|
Yu Q, Ma YX, Qin Z, Luo XR, Liu HM, Wang XD. Using solid acid catalysts to improve the oxidative stability of cold-pressed sesame oil. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.110928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
5
|
He L, Fu W, Li L, Huang Y, Chen L, Wu D, Zhang L, Tang T. Study of CA-treated ZSM-22 zeolite with enhanced catalytic performance in the hydroisomerization of long-chain n-dodecane. NEW J CHEM 2021. [DOI: 10.1039/d0nj05190j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pt catalysts on citric acid treated ZSM-22 zeolites exhibited enhanced n-dodecane conversion (89.7%) and C12-isomer yield (68.8%) compared with the parent ZSM-22 zeolite (19.6% and 16.4%).
Collapse
Affiliation(s)
- Liwen He
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Wenqian Fu
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Leyi Li
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Yuxian Huang
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Liyu Chen
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Danni Wu
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Lei Zhang
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| | - Tiandi Tang
- Collaborative Innovation Center of Advanced Catalysis and Green Manufacturing, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University
- Changzhou
- P. R. China
| |
Collapse
|
6
|
Cheng C, Li J, Wen Y, Wang J, Jin C, Sun C, Wang H, Wei H, Yang X. Deactivation mechanism of Fe/Al2O3 catalyst during the ozonation of reverse osmosis concentrates (ROCs): Effect of silicate. CHEMICAL ENGINEERING JOURNAL ADVANCES 2020. [DOI: 10.1016/j.ceja.2020.100003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
|
7
|
Istadi I, Riyanto T, Buchori L, Anggoro DD, Gilbert G, Meiranti KA, Khofiyanida E. Enhancing Brønsted and Lewis Acid Sites of the Utilized Spent RFCC Catalyst Waste for the Continuous Cracking Process of Palm Oil to Biofuels. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01061] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- I. Istadi
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| | - Teguh Riyanto
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| | - Luqman Buchori
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| | - Didi Dwi Anggoro
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| | - G. Gilbert
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| | - Kania Adelia Meiranti
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| | - Elok Khofiyanida
- Department of Chemical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Central Java 50275, Indonesia
| |
Collapse
|
8
|
Zhang R, Zhong P, Arandiyan H, Guan Y, Liu J, Wang N, Jiao Y, Fan X. Using ultrasound to improve the sequential post-synthesis modification method for making mesoporous Y zeolites. Front Chem Sci Eng 2020. [DOI: 10.1007/s11705-019-1905-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AbstractMesoporous Y zeolites were prepared by the sequential chemical dealumination (using chelating agents such as ethylenediaminetetraacetic acid, H4EDTA, and citric acid aqueous solutions) and alkaline desilication (using sodium hydroxide, NaOH, aqueous solutions) treatments. Specifically, the ultrasound-assisted alkaline treatment (i.e., ultrasonic treatment) was proposed as the alternative to conventional alkaline treatments which are performed under hydrothermal conditions. In comparison with the hydrothermal alkaline treatment, the ultrasonic treatment showed the comparatively enhanced efficiency (with the reduced treatment time, i.e., 5 min vs. 30 min, all with 0.2 mol·L−1 NaOH at 65°C) in treating the deal-uminated Y zeolites for creating mesoporosity. For example, after the treatment of a dealuminated zeolite Y (using 0.1 mol·L−1 H4EDTA at 100°C for 6 h), the ultrasonic treatment produced the mesoporous zeolite Y with the specific external surface area (Sexternal) of 160 m2·g·−1and mesopore volume (Vmeso) of 0.22 cm3·g−1, being slightly higher than that by the conventional method (i.e., Sextemal= 128 m2·g−1 and Vmeso = 0.19 cm3·g−1). The acidic property and catalytic activity (in catalytic cracking of n-octane) of mesoporous Y zeolites obtained by the two methods were comparable. The ultrasonic desilication treatment was found to be generic, also being effective to treat the dealuminated Y zeolites by citric acid. Additionally, the first step of chemical dealumination treatment was crucial to enable the effective creation of mesopores in the parent Y zeolite (with a silicon-to-aluminium ratio, Si/Al = 2.6) regardless of the subsequent alkaline desilication treatment (i.e., ultrasonic or hydrothermal). Therefore, appropriate selection of the condition of the chemical dealumination treatment based on the property of parent zeolites, such as Si/Al ratio and crystallinity, is important for making mesoporous zeolites effectively.
Collapse
|
9
|
Li H, Hou B, Wang J, Qin C, Zhong M, Huang X, Jia L, Li D. Direct conversion of syngas to isoparaffins over hierarchical beta zeolite supported cobalt catalyst for Fischer-Tropsch synthesis. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2018.08.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
10
|
Li J, Liu H, Li F, An T, Bao X. Aluminum Fluoride Modified Beta Zeolite as Highly Selective Catalyst for the Esterification of sec-Butanol with Acetic Acid. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b01882] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jianhua Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, People’s Republic of China
- Yanshan Branch, Sinopec BRICI, Beijing 102599, People’s Republic of China
| | - Haiyan Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, People’s Republic of China
| | - Feijie Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, People’s Republic of China
| | - Tingting An
- Yanshan Branch, Sinopec BRICI, Beijing 102599, People’s Republic of China
| | - Xiaojun Bao
- National Engineering Research Center of Chemical Fertilizer, College of Chemical Engineering, Fuzhou University, Fuzhou 350116, People’s Republic of China
| |
Collapse
|
11
|
Li J, Liu H, An T, Yue Y, Bao X. Carboxylic acids to butyl esters over dealuminated–realuminated beta zeolites for removing organic acids from bio-oils. RSC Adv 2017. [DOI: 10.1039/c7ra05298g] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This article describes a novel method to dealuminate and realuminate H-beta zeolites as catalysts for removing organic acids from bio-oils via their esterification reactions with alcohols.
Collapse
Affiliation(s)
- Jianhua Li
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing 102249
- P. R. China
| | - Haiyan Liu
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing 102249
- P. R. China
| | - Tingting An
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing 102249
- P. R. China
| | - Yuanyuan Yue
- National Engineering Research Center of Chemical Fertilizer
- College of Chemical Engineering
- Fuzhou University
- Fuzhou 350116
- P. R. China
| | - Xiaojun Bao
- National Engineering Research Center of Chemical Fertilizer
- College of Chemical Engineering
- Fuzhou University
- Fuzhou 350116
- P. R. China
| |
Collapse
|
12
|
Venkatesha NJ, Bhat YS, Jai Prakash BS. Dealuminated BEA zeolite for selective synthesis of five-membered cyclic acetal from glycerol under ambient conditions. RSC Adv 2016. [DOI: 10.1039/c6ra01437b] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
BEA zeolite is modified using phenoldisulfonic acid to change catalyst characteristics, which helps to form a single cyclic product. A new term called volume space acidity (VSA) provides volume space available for dioxane to dioxalane rearrangement.
Collapse
Affiliation(s)
- N. J. Venkatesha
- Chemistry Research Centre
- Bangalore Institute of Technology
- Bangalore 560 004
- India
| | - Y. S. Bhat
- Chemistry Research Centre
- Bangalore Institute of Technology
- Bangalore 560 004
- India
| | - B. S. Jai Prakash
- Chemistry Research Centre
- Bangalore Institute of Technology
- Bangalore 560 004
- India
| |
Collapse
|
13
|
Selective Production of Light Olefins from Catalytic Cracking of n-Hexane over OSDA-Free Beta Zeolites. CATALYSIS SURVEYS FROM ASIA 2015. [DOI: 10.1007/s10563-015-9202-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
14
|
Li X, Qiao K, He L, Liu X, Yan Z, Xing W, Qin L, Dai B, Zhang Z. Combined modification of ultra-stable Y zeolites via citric acid and phosphoric acid. APPLIED PETROCHEMICAL RESEARCH 2014. [DOI: 10.1007/s13203-014-0070-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|
15
|
Soykal II, Sohn H, Singh D, Miller JT, Ozkan US. Reduction Characteristics of Ceria under Ethanol Steam Reforming Conditions: Effect of the Particle Size. ACS Catal 2014. [DOI: 10.1021/cs400908h] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- I. Ilgaz Soykal
- Department
of Chemical and Biomolecular Engineering, The Ohio State University, 140 W. 19th Avenue, Columbus, Ohio 43210, United States
| | - Hyuntae Sohn
- Department
of Chemical and Biomolecular Engineering, The Ohio State University, 140 W. 19th Avenue, Columbus, Ohio 43210, United States
| | - Deepika Singh
- Department
of Chemical and Biomolecular Engineering, The Ohio State University, 140 W. 19th Avenue, Columbus, Ohio 43210, United States
| | - Jeffrey T. Miller
- Chemical
Sciences and Engineering Division, Argonne National Laboratory, 9700 S. Cass Ave, Argonne, Illinois 60439, United States
| | - Umit S. Ozkan
- Department
of Chemical and Biomolecular Engineering, The Ohio State University, 140 W. 19th Avenue, Columbus, Ohio 43210, United States
| |
Collapse
|
16
|
Jiao WQ, Fu WH, Liang XM, Wang YM, He MY. Preparation of hierarchically structured Y zeolite with low Si/Al ratio and its applications in acetalization reactions. RSC Adv 2014. [DOI: 10.1039/c4ra11042k] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hierarchically structured Y zeolites were prepared by a post-synthetic strategy, where the as-made NaY zeolite was sequentially treated by a lactic acid solution and an alkaline solution containing cetyltrimethyl ammonium bromide (CTAB).
Collapse
Affiliation(s)
- Wen Qian Jiao
- Shanghai Key Lab of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, P. R. China
| | - Wen Hua Fu
- Shanghai Key Lab of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, P. R. China
| | - Xiao Min Liang
- Shanghai Key Lab of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, P. R. China
| | - Yi Meng Wang
- Shanghai Key Lab of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, P. R. China
| | - Ming-Yuan He
- Shanghai Key Lab of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, P. R. China
| |
Collapse
|
17
|
ZHOU J, LIU Z, LI L, WANG Y, GAO H, YANG W, XIE Z, TANG Y. Hierarchical mesoporous ZSM-5 zeolite with increased external surface acid sites and high catalytic performance in o-xylene isomerization. CHINESE JOURNAL OF CATALYSIS 2013. [DOI: 10.1016/s1872-2067(12)60602-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
18
|
The Effect of Surface Acidic and Basic Properties on the Performance of Cobalt-Based Catalysts for Ethanol Steam Reforming. Top Catal 2012. [DOI: 10.1007/s11244-012-9918-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
19
|
An effective lactic acid-modified Hβ zeolite for synthesis of bis(indolyl)methanes. RESEARCH ON CHEMICAL INTERMEDIATES 2012. [DOI: 10.1007/s11164-012-0567-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
20
|
Bai X, Sun K, Wu W, Yan P, Yang J. Methylation of naphthalene to prepare 2,6-dimethylnaphthalene over acid-dealuminated HZSM-12 zeolites. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcata.2009.08.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
21
|
Srivastava R, Iwasa N, Fujita SI, Arai M. Dealumination of Zeolite Beta Catalyst Under Controlled Conditions for Enhancing its Activity in Acylation and Esterification. Catal Letters 2009. [DOI: 10.1007/s10562-009-9992-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
22
|
Sun X, Huang C, Song Y, Zhang J, Chen B. Synthesis of Zeolite .BETA. and Its Performance in Catalytic Cracking. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2009. [DOI: 10.1252/jcej.09we039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiuliang Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
| | - Chongpin Huang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
| | - Yanlei Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
| | - Jie Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
| | - Biaohua Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
| |
Collapse
|
23
|
ZHAI L, LIU M, DONG X, SONG C, GUO X. Dehydration of 2-(4′-Ethylbenzoyl)-benzoic Acid to 2-Ethylanthraquinone over Hβ Zeolite Modified with Organic Acids. CHINESE JOURNAL OF CATALYSIS 2009. [DOI: 10.1016/s1872-2067(08)60085-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
24
|
|
25
|
Akimbaeva AM. Solid-Phase Interaction of Natural Zeolite with Aminoacetic Acid. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2008. [DOI: 10.1134/s0036024408020325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
26
|
Lin X, Fan Y, Liu Z, Shi G, Liu H, Bao X. A novel method for enhancing on-stream stability of fluid catalytic cracking (FCC) gasoline hydro-upgrading catalyst: Post-treatment of HZSM-5 zeolite by combined steaming and citric acid leaching. Catal Today 2007. [DOI: 10.1016/j.cattod.2007.02.023] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
27
|
Shu, Husain S, Koros WJ. Sonication-Assisted Dealumination of Zeolite A with Thionyl Chloride. Ind Eng Chem Res 2006. [DOI: 10.1021/ie061213l] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shu
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332
| | - Shabbir Husain
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332
| | - William J. Koros
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive NW, Atlanta, Georgia 30332
| |
Collapse
|
28
|
Fan Y, Bao X, Lin X, Shi G, Liu H. Acidity Adjustment of HZSM-5 Zeolites by Dealumination and Realumination with Steaming and Citric Acid Treatments. J Phys Chem B 2006; 110:15411-6. [PMID: 16884262 DOI: 10.1021/jp0607566] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This article describes a novel method for acidity adjustment of HZSM-5 zeolites with steaming and citric acid treatments and demonstrates the realumination effect of citric acid on HZSM-5 zeolites dealuminated by steaming. A series of modified HZSM-5 zeolites were prepared by streaming and/or acid treatments and characterized by means of X-ray diffraction (XRD), X-ray fluorescence spectroscopy (XRF), (27)Al MAS NMR spectroscopy, hydroxyl infrared spectroscopy (OH-IR), pyridine-adsorbed infrared spectroscopy, and N(2) adsorption in the present investigation. The results showed that compared with single HCl or citric acid treatment, steaming treatment, and steaming/HCl treatments, citric acid treatment after steaming exclusively increased the amount of framework Al due to reinsertion of extraframework Al into the defective sites of the steamed HZSM-5 framework. This realumination effect of the citric acid treatment on the steamed HZSM-5 zeolite, which is reported here for the first time to the best of our knowledge, could nearly recover the pore structure of the steamed zeolite to that of the parent HZSM-5 zeolite and appropriately tailor the amount and strength of different acid sites, which sheds light on optimizing the physicochemical properties of HZSM-5 zeolites. It was also found that the steaming treatment prior to the citric acid treatment was the precondition of the realumination of HZSM-5 zeolites, suggesting that the lattice defect sites generated during steaming were necessary for citric acid to work.
Collapse
Affiliation(s)
- Yu Fan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, P. R. China
| | | | | | | | | |
Collapse
|
29
|
Jiang N, Yuan S, Wang J, Qin Z, Jiao H, Li YW. An ONIOM study of amines adsorption in H-[Ga]MOR. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.molcata.2005.01.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
30
|
Jiang N, Yuan S, Wang J, Jiao H, Qin Z, Li YW. A theoretical study of amines adsorption in HMOR by using ONIOM2 method. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.molcata.2004.05.035] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
31
|
Characterization of extraframework aluminum in H-mordenite dealuminated with ammonium hexafluorosilicate. Catal Today 2004. [DOI: 10.1016/j.cattod.2004.01.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
32
|
Chen T, Kang N, Lee C, Kim H, Hong S, Roh H, Park YK. Three-step reactions for selective production of 2,6-rich dimethylnaphthalene from 2,7-rich dimethylnaphthalene. Catal Today 2004. [DOI: 10.1016/j.cattod.2004.06.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
33
|
Influence of silica and alumina source materials on the physicochemical characteristics of crystalline zeolite beta. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/s0167-2991(04)80595-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
|
34
|
Kao HM, Chen YC. 27Al and 19F Solid-State NMR Studies of Zeolite H-β Dealuminated with Ammonium Hexafluorosilicate. J Phys Chem B 2003. [DOI: 10.1021/jp021680q] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hsien-Ming Kao
- Department of Chemistry, National Central University, Chung-Li, Taiwan 32054
| | - Yun-Chu Chen
- Department of Chemistry, National Central University, Chung-Li, Taiwan 32054
| |
Collapse
|
35
|
Choo DH, Kim HJ, Kong BH, Choi IS, Ko YC, Lee HC, Kim JC, Lee JS. Cycloisomerization of 5-(o-Tolyl)-Pentene over Modified Zeolite BEA. J Catal 2002. [DOI: 10.1006/jcat.2002.3522] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
36
|
|