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Title: Controlled synthesis of hierarchical ZSM-5 for catalytic fast pyrolysis of cellulose to aromatics

Zeolite materials play a significant role throughout the oil refining and petrochemical industry. Microporous ZSM-5 has a high degree of crystallinity but low mass transfer, while hierarchical ZSM-5 shows a low degree of crystallinity as well as acidity. Here, we first report the synthesis of ZSM-5 with a new morphological structure, which has nanocrystalline ZSM-5 particles on the surface of an intact ZSM-5 zeolite. This not only improved the mass transfer in microporosity but also overcame disadvantages of hierarchical ZSM-5 including low degrees of crystallinity and acidity. This new and very efficient structure with both intracrystal microporosity and intercrystal macroporosity, formed by secondary crystallization after the intact ZSM-5 zeolite was synthesized, was verified by transmission electronic microscopy, N 2 adsorption and desorption, and X-ray diffraction. Lastly, the obtained ZSM-5 zeolite showed a uniform size (~200 nm), high crystallinity acidity, and a suitable hierarchical structure that exhibited excellent properties in the catalytic fast pyrolysis of cellulose to produce aromatics.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ; ORCiD logo [1] ;  [5] ; ORCiD logo [5] ;  [1] ; ORCiD logo [1] ; ORCiD logo [2] ; ORCiD logo [6]
  1. Zhejiang University, Hangzhou (China)
  2. Zhejiang University, Hangzhou (China); Nanjing Tech University (China)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States)
  5. Brookhaven National Lab. (BNL), Upton, NY (United States)
  6. Univ. of Tennessee, Knoxville, TN (United States) ; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Report Number(s):
BNL-209804-2018-JAAM
Journal ID: ISSN 2050-7488; JMCAET
Grant/Contract Number:
SC0012704; AC02-05CH11231
Type:
Accepted Manuscript
Journal Name:
Journal of Materials Chemistry. A
Additional Journal Information:
Journal Volume: 6; Journal Issue: 42; Journal ID: ISSN 2050-7488
Publisher:
Royal Society of Chemistry
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division; USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
OSTI Identifier:
1488520
Alternate Identifier(s):
OSTI ID: 1478432

Chen, Hao, Shi, Xu, Liu, Jianfang, Jie, Kecheng, Zhang, Zihao, Hu, Xiaobing, Zhu, Yimei, Lu, Xiuyang, Fu, Jie, Huang, He, and Dai, Sheng. Controlled synthesis of hierarchical ZSM-5 for catalytic fast pyrolysis of cellulose to aromatics. United States: N. p., Web. doi:10.1039/C8TA08930B.
Chen, Hao, Shi, Xu, Liu, Jianfang, Jie, Kecheng, Zhang, Zihao, Hu, Xiaobing, Zhu, Yimei, Lu, Xiuyang, Fu, Jie, Huang, He, & Dai, Sheng. Controlled synthesis of hierarchical ZSM-5 for catalytic fast pyrolysis of cellulose to aromatics. United States. doi:10.1039/C8TA08930B.
Chen, Hao, Shi, Xu, Liu, Jianfang, Jie, Kecheng, Zhang, Zihao, Hu, Xiaobing, Zhu, Yimei, Lu, Xiuyang, Fu, Jie, Huang, He, and Dai, Sheng. 2018. "Controlled synthesis of hierarchical ZSM-5 for catalytic fast pyrolysis of cellulose to aromatics". United States. doi:10.1039/C8TA08930B.
@article{osti_1488520,
title = {Controlled synthesis of hierarchical ZSM-5 for catalytic fast pyrolysis of cellulose to aromatics},
author = {Chen, Hao and Shi, Xu and Liu, Jianfang and Jie, Kecheng and Zhang, Zihao and Hu, Xiaobing and Zhu, Yimei and Lu, Xiuyang and Fu, Jie and Huang, He and Dai, Sheng},
abstractNote = {Zeolite materials play a significant role throughout the oil refining and petrochemical industry. Microporous ZSM-5 has a high degree of crystallinity but low mass transfer, while hierarchical ZSM-5 shows a low degree of crystallinity as well as acidity. Here, we first report the synthesis of ZSM-5 with a new morphological structure, which has nanocrystalline ZSM-5 particles on the surface of an intact ZSM-5 zeolite. This not only improved the mass transfer in microporosity but also overcame disadvantages of hierarchical ZSM-5 including low degrees of crystallinity and acidity. This new and very efficient structure with both intracrystal microporosity and intercrystal macroporosity, formed by secondary crystallization after the intact ZSM-5 zeolite was synthesized, was verified by transmission electronic microscopy, N2 adsorption and desorption, and X-ray diffraction. Lastly, the obtained ZSM-5 zeolite showed a uniform size (~200 nm), high crystallinity acidity, and a suitable hierarchical structure that exhibited excellent properties in the catalytic fast pyrolysis of cellulose to produce aromatics.},
doi = {10.1039/C8TA08930B},
journal = {Journal of Materials Chemistry. A},
number = 42,
volume = 6,
place = {United States},
year = {2018},
month = {10}
}

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