1
|
Asgar Pour Z, Abduljawad MM, Alassmy YA, Cardon L, Van Steenberge PHM, Sebakhy KO. A Comparative Review of Binder-Containing Extrusion and Alternative Shaping Techniques for Structuring of Zeolites into Different Geometrical Bodies. Catalysts 2023. [DOI: 10.3390/catal13040656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
Abstract
Zeolites are crystalline metallosilicates displaying unique physicochemical properties with widespread applications in catalysis, adsorption, and separation. They are generally obtained by a multi-step process that starts with primary mixture aging, followed by hydrothermal crystallization, washing, drying, and, finally, a calcination step. However, the zeolites obtained are in the powder form and because of generating a pressure drop in industrial fixed bed reactors, not applicable for industrial purposes. To overcome such drawbacks, zeolites are shaped into appropriate geometries and the desired size (a few centimeters) using extrusion, where zeolite powders are mixed with binders (e.g., mineral clays or inorganic oxides). The presence of binders provides good mechanical strength against crushing in shaped zeolites, but binders may have adverse impacts on zeolite catalytic and sorption properties, such as active site dilution and pore blockage. The latter is more pronounced when the binder has a smaller particle size, which makes the zeolite internal active sites mainly inaccessible. In addition to the shaping requirements, a hierarchical structure with different levels of porosity (micro-, meso-, and macropores) and an interconnected network are essential to decrease the diffusion limitation inside the zeolite micropores as well as to increase the mass transfer through the presence of larger auxiliary pores. Thus, the generation of hierarchical structure and its preservation during the shaping step is of great importance. The aim of this review is to provide a comprehensive survey and detailed overview on the binder-containing extrusion technique compared to alternative shaping technologies with improved mass transfer properties. An emphasis is allocated to those techniques that have been less discussed in detail in the literature.
Collapse
|
2
|
Pérez-Botella E, Valencia S, Rey F. Zeolites in Adsorption Processes: State of the Art and Future Prospects. Chem Rev 2022; 122:17647-17695. [PMID: 36260918 PMCID: PMC9801387 DOI: 10.1021/acs.chemrev.2c00140] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Zeolites have been widely used as catalysts, ion exchangers, and adsorbents since their industrial breakthrough in the 1950s and continue to be state-of the-art adsorbents in many separation processes. Furthermore, their properties make them materials of choice for developing and emerging separation applications. The aim of this review is to put into context the relevance of zeolites and their use and prospects in adsorption technology. It has been divided into three different sections, i.e., zeolites, adsorption on nanoporous materials, and chemical separations by zeolites. In the first section, zeolites are explained in terms of their structure, composition, preparation, and properties, and a brief review of their applications is given. In the second section, the fundamentals of adsorption science are presented, with special attention to its industrial application and our case of interest, which is adsorption on zeolites. Finally, the state-of-the-art relevant separations related to chemical and energy production, in which zeolites have a practical or potential applicability, are presented. The replacement of some of the current separation methods by optimized adsorption processes using zeolites could mean an improvement in terms of sustainability and energy savings. Different separation mechanisms and the underlying adsorption properties that make zeolites interesting for these applications are discussed.
Collapse
Affiliation(s)
| | | | - Fernando Rey
- . Phone: +34 96 387 78 00.
Fax: +34 96 387 94
44
| |
Collapse
|
3
|
Zhou Y, Zhang J, Wang L, Cui X, Liu X, Wong SS, An H, Yan N, Xie J, Yu C, Zhang P, Du Y, Xi S, Zheng L, Cao X, Wu Y, Wang Y, Wang C, Wen H, Chen L, Xing H, Wang J. Self-assembled iron-containing mordenite monolith for carbon dioxide sieving. Science 2021; 373:315-320. [PMID: 34437149 DOI: 10.1126/science.aax5776] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 05/30/2020] [Accepted: 06/07/2021] [Indexed: 01/21/2023]
Abstract
The development of low-cost, efficient physisorbents is essential for gas adsorption and separation; however, the intrinsic tradeoff between capacity and selectivity, as well as the unavoidable shaping procedures of conventional powder sorbents, greatly limits their practical separation efficiency. Herein, an exceedingly stable iron-containing mordenite zeolite monolith with a pore system of precisely narrowed microchannels was self-assembled using a one-pot template- and binder-free process. Iron-containing mordenite monoliths that could be used directly for industrial application afforded record-high volumetric carbon dioxide uptakes (293 and 219 cubic centimeters of carbon dioxide per cubic centimeter of material at 273 and 298 K, respectively, at 1 bar pressure); excellent size-exclusive molecular sieving of carbon dioxide over argon, nitrogen, and methane; stable recyclability; and good moisture resistance capability. Column breakthrough experiments and process simulation further visualized the high separation efficiency.
Collapse
Affiliation(s)
- Yu Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Jianlin Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Lei Wang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Xili Cui
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China. .,Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311215, China
| | - Xiaoling Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Sie Shing Wong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
| | - Hua An
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
| | - Ning Yan
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
| | - Jingyan Xie
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Cong Yu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Peixin Zhang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yonghua Du
- Institute of Chemical and Engineering Sciences, Jurong Island, Singapore 627833, Singapore.,National Synchrotron Light Source II, Brookhaven National Lab, Upton, NY 11973, USA
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences, Jurong Island, Singapore 627833, Singapore
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Xingzhong Cao
- Multi-discipline Research Division, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Yajing Wu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yingxia Wang
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Chongqing Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Haimeng Wen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Lei Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Huabin Xing
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China. .,Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311215, China
| | - Jun Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| |
Collapse
|
4
|
Luan H, Lei C, Wu Q, Sheng N, Wang Y, Meng X, Xiao FS. Sustainable one-pot preparation of fully crystalline shaped zeolite catalysts. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00948f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Fully crystalline shaped zeolite catalysts with MFI, MTT, and TON structures have been successfully prepared via a sustainable one-pot route.
Collapse
Affiliation(s)
- Huimin Luan
- Key Lab of Applied Chemistry of Zhejiang Province
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Chi Lei
- Key Lab of Applied Chemistry of Zhejiang Province
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Qinming Wu
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Na Sheng
- Zhejiang Henglan Science & Technology Co., Ltd
- Zhejiang Hengyi Group Co., Ltd
- Hangzhou 310027
- China
| | - Yeqing Wang
- Key Lab of Applied Chemistry of Zhejiang Province
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Xiangju Meng
- Key Lab of Applied Chemistry of Zhejiang Province
- Department of Chemistry
- Zhejiang University
- Hangzhou 310028
- China
| | - Feng-Shou Xiao
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| |
Collapse
|