Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Yejun Guan"'
Publikováno v:
Green Energy & Environment. 8:519-529
Furfuryl ethers have been considered to be a promising fuel additive. One step reduction etherification of furfural over supported Pd catalysts provides a facile way for the preparation of furfuryl ether. However, the preparation of a reusable Pd cat
Publikováno v:
Chinese Journal of Catalysis. 42:1561-1575
Selective and durable fixed-bed catalysts are highly desirable for developing eco-efficient HPPO (hydrogen peroxide propylene oxide) process. The powder titanosilicate catalysts must be shaped before being applied in industrial processes. As the esse
Publikováno v:
Chinese Journal of Catalysis. 42:1147-1159
The growing consumption of light olefins has stimulated intensive researches on methanol to olefin (MTO) process which possesses great advantages for coal conversion to value-added chemicals in an environmentally benign way. The catalysts commonly us
Publikováno v:
Catalysis Science & Technology. 11:7287-7299
The skeleton desilication accompanied by Ti active sites leaching accounts for the dominant chemical deactivation reasons during the clean industrial production of cyclohexanone oxime through titanosilicate-catalyzed liquid-phase ammoximation in the
Autor:
Yejun Guan, Peng Luo, Weiyu Song, Mingyuan He, Jingyan Zhang, Yangyang Mi, Hao Xu, Honggen Peng, Shaojia Song, Li Ren, Peng Wu, Haihong Wu
Publikováno v:
Catalysis Science & Technology. 11:6234-6247
Methanol-to-olefins (MTO) technology presently serves as a key to convert coal or natural gas to valuable hydrocarbons, in particular lower olefins. This work focuses on developing a low cost and environmentally benign MTO catalyst from low-silica CH
Publikováno v:
Angewandte Chemie. 132:17444-17449
A quasi-pure CH polymorph of microporous zeolite beta, named ECNU-36, was obtained as a highly crystalline silicate using 1,5-bis(tetramethylimidazolium) hydroxide as organic structure-directing agent (OSDA) in fluoride media. An appropriate concentr
Publikováno v:
ACS Catalysis. 10:4813-4819
The microenvironment of active sites in zeolite framework is critical for catalytic performance. Four Ti-MWW titanosilicates, prepared by different methods in this study, fell into two categories i...
Autor:
Bingwen Hu, Kun Lu, Ju Huang, Yejun Guan, Li Ren, Hao Xu, Peng Wu, Yanhang Ma, Chao Li, Jingang Jiang
Publikováno v:
Angewandte Chemie. 132:6317-6321
Precisely controlled crystal growth endows zeolites with special textural and catalytic properties. A nanosheet mordenite zeolite with a thickness of ca. 11 nm, named as MOR-NS, has been prepared using a well-designed gemini-type amphiphilic surfacta
Publikováno v:
Chemical Communications. 56:4696-4699
An innovative strategy based on dual structure-directing agent-facilitated crystallization was proposed to hydrothermally synthesize boron-free Zr-MWW and Sn-MWW metallosilicates that bear great structural diversity for potential pore engineering. Th
Publikováno v:
Journal of Catalysis. 381:443-453
Nickel silicate and NiAl-LDHs (layered double-hydroxides) have been controllably fabricated on the crystal surface of Si-rich and Al-rich USY zeolites, respectively, through a distinctive in-situ hydrothermal growth approach. This was realized by the