Catalysis Surveys from Asia

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Zeolitic Imidazolate Frameworks: Synthesis, Functionalization, and Catalytic/Adsorption Applications
Catalysis Surveys from Asia - Tập 18 - Trang 101-127 - 2014
Samiran Bhattacharjee, Min-Seok Jang, Hee-Jin Kwon, Wha-Seung Ahn
Zeolitic imidazolate frameworks (ZIFs) are comprised of transition metal ions (Zn, Co) and a range of imidazolate linkers in a tetrahedral coordination similar to that in crystalline aluminosilicate zeolites. The high surface area, tunable nanoporosity that can be subject to functionalization and the excellent thermal/chemical stability of ZIFs are attractive for heterogeneous catalysis and select...... hiện toàn bộ
Oxidative Desulfurization by Oxygen Using Amphiphilic Quaternary Ammonium Peroxovanadium Polyoxometalates
Catalysis Surveys from Asia - Tập 19 Số 4 - Trang 257-264 - 2015
Meilin Tao, Hao Zheng, Junyou Shi, Shengtian Wang, Xiaohong Wang, GQ Huang
Acidity, Crystallite Size and Pore Structure as Key Factors Influencing 1,3,5-Trimethylbenzene Hydrodealkylation Performance of NiMoS/ZSM-5
Catalysis Surveys from Asia - Tập 26 - Trang 35-45 - 2021
Shufeng Shan, Yiting Tian, Feifei Chen, Shikui Wu, Rujin Zhou, Ying Xie, Ning Li, Xingye Zeng, Cunhui Lin, Wei Yu
NiMoS supported on ZSM-5 with different Si/Al ratio, crystallite size and pore structure was prepared by incipient impregnation method and applied in 1, 3, 5-trimethylbenzene (1, 3, 5-TMB) hydrodealkylation (HDAK). The physicochemical properties of samples were characterized by XRD, FTIR, SEM, N2 adsorption–desorption, NH3-TPD, Py-FTIR, H2-TPR, HRTEM and TGA. It is demonstrated that for microporou...... hiện toàn bộ
MnOx–CeO2 Derived from Mn–Ce-MOFs with Highly Efficient Removal of Formaldehyde
Catalysis Surveys from Asia - Tập 24 - Trang 207-218 - 2020
Jurong Liu, Yiming Zheng, Qinyu Zhu, Yaxin Dong, Suhong Lu, Bo Peng, Yuliang Chen, Shanghong Zeng, Kelun Li
A series of MnOx–CeO2 with different molar ratios of Mn/Ce had been synthesized via in-situ pyrolysis of Mn–Ce-MOFs precursor. The as-prepared catalysts were applied for catalytic oxidation of formaldehyde (HCHO) and also characterized by N2 adsorption–desorption, XRD, SEM, H2-TPR, O2-TPD and XPS. The result of catalytic test indicated that MnOx–CeO2 with a Mn/Ce molar ratio of 5:5 exhibited outst...... hiện toàn bộ
Catalytic Systems for the H2S Wet Oxidation at room Temperature
Catalysis Surveys from Asia - Tập 11 - Trang 134-144 - 2007
Eun-Ku Lee, Kwang-Deog Jung, Yong-Gun Shul
The catalytic wet oxidation process is the most attractive process for small-scale hydrogen sulfide (H2S) removal from natural gas. The catalytic wet oxidation process is anticipated to be cost effective and simple so that it can be used for treating sour gases containing small amounts of H2S and can be easily operated even in isolated sites. The development of effective catalyst is the key techno...... hiện toàn bộ
Development of Ionic Liquids as Green Reaction Media and Catalysts
Catalysis Surveys from Asia - Tập 8 - Trang 179-186 - 2004
Feng Shi, Yanlong Gu, Qinghua Zhang, Youquan Deng
A brief review of the work carried out at Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences for development of ionic liquid as green reaction media and catalysts is presented. This includes the processes of ionic liquid to be used as catalyst, reaction media, development of functional ionic liquid and methods for synthesis of immobilized ionic liquid. In the end, some prospects fo...... hiện toàn bộ
Development of Bifunctional Catalysts for the Conversions of Cellulose or Cellobiose into Polyols and Organic Acids in Water
Catalysis Surveys from Asia - Tập 16 - Trang 91-105 - 2012
Weiping Deng, Yanliang Wang, Qinghong Zhang, Ye Wang
The efficient utilization of renewable lignocellulosic biomass has attracted much attention in recent years. One of the most desirable routes for the transformation of cellulose, the main component of lignocellulosic biomass, is to convert cellulose under mild conditions selectively into a value-added chemical or into a platform compound, which can be easily converted to versatile chemicals or fue...... hiện toàn bộ
Preparation of supported metal catalysts starting from hydrotalcites as the precursors and their improvements by adopting “memory effect”
Catalysis Surveys from Asia - Tập 11 - Trang 1-30 - 2007
K. Takehira, T. Shishido
Hydrotalcite-like compounds (HTlcs) can be used as the catalysts as it is since they contain various transition metal cations as the catalytically active species well dispersed on the basic support materials. Moreover, increasing numbers of the applications of HTlcs after the heat treatment have been found since the oxides with very small crystal size, stable to thermal treatments, are obtained af...... hiện toàn bộ
An Intelligent Catalyst: The Self-Regenerative Palladium–Perovskite Catalyst for Automotive Emissions Control
Catalysis Surveys from Asia - - 2005
Hiroyuki Tanaka
Cracking of Cellulose over Supported Metal Catalysts
Catalysis Surveys from Asia - Tập 11 - Trang 186-191 - 2007
Paresh L. Dhepe, Atsushi Fukuoka
Cellulose is cracked over supported Pt or Ru catalysts under hydrogenolysis conditions in water to give sorbitol as a main product. Among the catalysts tested, Pt/γ-Al2O3 gave the highest yield and selectivity, and this catalyst was recyclable in repeated runs. It is proposed that cellulose is hydrolyzed by in situ generated acid sites to form glucose, and glucose is immediately reduced to sorbito...... hiện toàn bộ
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