Xionghou Gao

Lanzhou Petrochemical Polytechnic

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Hongtao Liu

Beijing University of Chemical Technology

Yin‐Xia Sun

Lanzhou Jiaotong University

Honghai Liu

Harbin Institute of Technology

Yucai Qin

Liaoning Shihua University

Honghai Liu

Nanjing Forestry University

Wen‐Kui Dong

Lanzhou Jiaotong University

Baojian Shen

China University of Petroleum, Beijing

Baojie Wang

Chang'an University

Zhongdong Zhang

Shanxi Agricultural University

Chunyan Xu

Xinyu University

Cooperative Institutions

Chinese Academy of Sciences

174

University of Surrey

167

Instituto de Ciencias Agrarias

150

University of Chinese Academy of Sciences

China University of Petroleum, Beijing

Beijing University of Chemical Technology

Lanzhou Petrochemical Polytechnic

Zhejiang University

State Key Laboratory of Heavy Oil

Peking University

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CCDC 864891: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

Wen-Kui Dong Yin‐Xia Sun Guohua Liu Li Li Xiu‐Yan Dong

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccy0zqm

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Citations (0)

CCDC 757709: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

Wen-Kui Dong Gang Weng Shang-Sheng Gong Junfeng Tong Yin‐Xia Sun

10.5517/cctfg7x

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Citations (0)

Molecular Simulation of the Adsoption of n-Octane on Y Zeolite Modified with Different Ce Content

Rengong Jingti Xuebao (2016)

Le Zhang Qiang Li Zhao Yue Yucai Qin Xionghou Gao

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Layered Double Hydroxide Method for Preparing Ni–Mo/γ-Al₂O₃ Ultradeep Hydrodesulfurization Catalysts

Industrial & Engineering Chemistry Research (2018)

Linyi Lv Yawen Bo Dekun Ji Wei Han Honghai Liu

This article reports a novel strategy for preparing NiMo/γ-Al2O3 ultradeep hydrodesulfurization (HDS) catalysts via thermal decomposition of layered double hydroxides (LDHs). Ni–Al–[C6H4(COO)2]2–-LDHs/γ-Al2O3 (terephthalate-pillared Ni–Al-LDHs/γ-Al2O3) composites were first obtained by in situ crystallization of Ni–Al–[C6H4(COO)2]2–-LDHs on the surface of γ-Al2O3. Then Ni–Al–Mo7O246–-LDHs/γ-Al2O3 composites were synthesized from the above composites by the anion exchange of [C6H4(COO)2]2– with Mo7O246–. Finally, bimetallic Ni–Mo/γ-Al2O3 catalysts were obtained by the subsequent decomposition of Ni–Al–Mo7O246–-LDHs/γ-Al2O3. The LDHs strategy imposes significant effects on improving the Ni/Mo dispersion with weak interaction of active metal and support and thereby greatly improves the HDS properties of the resulting catalysts. The HDS assessment results revealed that the catalyst obtained by LDHs procedure exhibits outstanding HDS activities for 4,6-dimethyldibenzothiophene and Dagang FCC diesel. The novel strategy employed in this article sheds light on the industrial preparation and application of NiMo/γ-Al2O3 catalysts.

Layered double hydroxides

Bimetallic strip

10.1021/acs.iecr.8b03383

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The Influence Factors of the Crystallinity and Crystal Size of ZSM-5 Zeolite

Journal of Molecular Catalysis(China) (2012)

Xionghou Gao

ZSM-5 zeolite was synthesized by seeding technique using silica sol and aluminum sulfate as raw materials.The effects of key factors,such as the mixing modes of material,aging time,crystallization temperature,crystallization time,alkalinity and dosage of H2O on the crystallinity and crystal size were investigated.The samples were characterized by XRD,SEM and LPSA etc.The result indicated that the high crystallinity ZSM-5 zeolite can only be synthesized with the high concentration aluminosilicate gel formed in the condition of certain high alkalinity.ZSM-5 zeolite crystallization proceeds is based on the solid-solid transformations mechanism.The higher of the crystallization temperature and the concentration of aluminosilicate gel,the higher of the relative crystallinity and average particle size,the sample of the highest crystallinity can be synthesized with the aging time of 24 h at room temperature and the crystallization time of 12~24 h at 180 ℃.The aging time have a small influence on the crystal size.

Alkalinity

Crystal (programming language)

ZSM-5

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Mesoporous Y zeolite with homogeneous aluminum distribution obtained by sequential desilication–dealumination and its performance in the catalytic cracking of cumene and 1,3,5-triisopropylbenzene

Journal of Catalysis (2011)

Zhengxing Qin Baojian Shen Xionghou Gao Feng Lin Baojie Wang

Cumene

Fluid catalytic cracking

10.1016/j.jcat.2010.12.013

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Citations (154)

Molybdovanadophosphoric anion ionic liquid as a reusable catalyst for solvent-free benzene oxidation to phenol by H2O2

Catalysis Communications (2014)

Chengyuan Yuan Xionghou Gao Pan Zhi-Shuang Xueli Li Zhengguo Tan

10.1016/j.catcom.2014.08.004

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Citations (25)

Zeolite Beta Precursors as Building Units toward Enhancing the Microporosity Fraction of Mesoporous Aluminosilicates

Industrial & Engineering Chemistry Research (2018)

Dekun Ji Baojie Wang Ting Yue Xiaoping Li Xiaotong Mi

Our group has reported the synthesis of hydrothermally stable mesoporous aluminosilicates (MAs) by self-assembly of triblock copolymers and zeolite Y precursors. However, degradation of zeolite Y precursors in the acidic synthesis system will inevitably lead to low microporosity fraction of final products. Development of a facile route to obtain MAs simultaneously with high hydrothermal stability and microporosity fraction is still a great challenge. Herein, we employ zeolite Beta precursors as building units to solve this problem. In this strategy, zeolite Beta precursors were more stable than zeolite Y precursors in the acidic synthesis system due to the presence of organic directing agent TEAOH, which would result in more microporosity implanted into the framework of MAs. By fine-tuning the assembly time, the microporosity fraction could be adjusted in a range of 38.7%–52.9%. In addition, the synthesized MAs maintain well-resolved crystal patterns, high surface area, and pore volume even after a severe hydrothermal treatment.

Hydrothermal Synthesis

Fraction (chemistry)

10.1021/acs.iecr.8b01821

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Citations (2)

Synthesis of hydrothermally stable mesoporous aluminosilicates by using urea as additive

Materials Chemistry and Physics (2018)

Xiaotong Mi Honghai Liu Baojie Wang Hongtao Liu Cao Li

Hydrothermal Synthesis

10.1016/j.matchemphys.2018.01.026

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Citations (8)

A Periodic DFT Study of the Synergistic Mechanisms between Extraframework Aluminum Species and Bro̷nsted Acid Sites in HY Zeolites

Industrial & Engineering Chemistry Research (2020)

Jian Zheng Yucai Qin Qiang Li Li Zhang Xionghou Gao

A series of model probes with different sizes and polarity, such as ammonia, pyridine, and thiophene, have been used to gain insight into the influence mechanisms of extraframework aluminum (EFAl) species on the properties of Bro̷nsted acid sites (BASs) in HY zeolites by periodic DFT calculation. EFAl species enhance the intrinsic strength of BAS in HY zeolites similar to the generally accepted results. However, the presence of EFAl species induces a significant deviation of a correlation between the adsorption energies of the probe molecules and the changes in intrinsic acidity characterized by DPE. These results demonstrate that EFAl species exert the additional forces (dispersion forces) on the probe molecules adsorbed on the BAS. In this work, a principal finding is by using a weaker polarity and right fit size molecule (that of thiophene in this work) as a probe can reveal the synergistic mechanisms between the EFAl species and the BAS.

Brønsted–Lowry acid–base theory

Polarity (international relations)

10.1021/acs.iecr.9b05277

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Citations (12)