Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Yejun Guan"'
Autor:
Jilong Wang, Yaqi Fan, Xiaowen Guo, Qingyi Gu, Jingang Jiang, Yejun Guan, Xiao He, Yanhang Ma, Hao Xu, Peng Wu
Publikováno v:
ChemCatChem. 14
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:
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...
Publikováno v:
ChemCatChem. 10:4074-4083
Publikováno v:
Applied Catalysis A: General. 556:52-63
Sn-containing Beta zeolite (Sn-Beta) is an effective solid Lewis acid catalyst useful for a large number of redox reactions. However, it is still a challenging task to prepare Sn-Beta without the usage of organic structure directing agents (OSDAs) an
Publikováno v:
ChemCatChem. 9:4552-4561
It is important and challenging in heterogeneous catalysis to prepare catalysts with highly dispersed metal nanoparticles that have a high activity. Herein, a new Ni/USY catalyst derived from a core–shell NiAl-LDHs/USY hybrid material has been prep
Publikováno v:
Journal of Catalysis. 351:10-18
We have previously reported the superior catalytic activity of Pd-NiO/SiO 2 to Pd-Ni/SiO 2 in hydrogenation of α-angelica lactone (α-AL) to gamma-valerolactone (GVL) in a batch reactor. To gain deeper insight into the structure-activity relationshi
Publikováno v:
Catalysis Science & Technology. 7:2624-2631
Fluorine-implanted titanosilicate Ti-MWW, with greatly enhanced catalytic performance in the liquid-phase epoxidation of ethylene with aqueous hydrogen peroxide, has been post-synthesized by fluorinating conventional Ti-MWW with NH4F. The effects of
Publikováno v:
Catalysis Communications. 86:139-142
Aluminated hierarchical silicalite-2 with both large particle size and high external surface area was prepared by aluminating silicalite-2 under the protection of TBA + cations in a mild alkaline solution. The textural and acidic properties of thus f