PREPARATION OF HIGH-SILICA FAUJASITES BY MEANS OF SiCl4.

被引:0
|
作者
Mishin, I.V. [1 ]
Baier, G.K. [1 ]
Klyachko, A.L. [1 ]
Ashavskaya, G.A. [1 ]
Nissenbaum, V.D. [1 ]
Borbei, G. [1 ]
机构
[1] Acad of Sciences of the USSR, Moscow, USSR, Acad of Sciences of the USSR, Moscow, USSR
关键词
ALUMINUM AND ALLOYS - Removal - CRYSTALS - Structure - SILICON COMPOUNDS - VAPORS;
D O I
暂无
中图分类号
学科分类号
摘要
The reaction of Y zeolites with SiCl//4 vapor has been studied. A connection has been established between the temperature at which the zeolites are treated with SiCl//4 and the degree of dealumination. It has been shown that up to 95% of the Al can be extracted from the framework by means of SiCl//4 without destroying the crystal structure. Dealumination increases the thermal stability of the framework and the hydroxyl coating of Y zeolites. On reacting with SiCl//4 some of the Al removed from the framework remains in the specimen and forms stable extra-lattice compounds.
引用
收藏
页码:615 / 620
相关论文
共 50 条
  • [41] Dimerization of α-methylstyrene on high-silica zeolites
    N. G. Grigor’eva
    R. R. Galyautdinova
    E. A. Paukshtis
    B. I. Kutepov
    M. I. Tselyutina
    U. M. Dzhemilev
    Petroleum Chemistry, 2006, 46 : 332 - 337
  • [42] Dimerization of α-methylstyrene on high-silica zeolites
    Grigor'eva, N. G.
    Galyautdinova, R. R.
    Paukshtis, E. A.
    Kutepov, B. I.
    Tselyutina, M. I.
    Dzhemilev, U. M.
    PETROLEUM CHEMISTRY, 2006, 46 (05) : 332 - 337
  • [43] Rapid preparation of high-silica CHA-type zeolite membranes and their separation properties
    Imasaka, Satoshi
    Itakura, Masaya
    Yano, Kazuhiro
    Fujita, Suguru
    Okada, Masashi
    Hasegawa, Yasuhisa
    Abe, Chie
    Araki, Sadao
    Yamamoto, Hideki
    SEPARATION AND PURIFICATION TECHNOLOGY, 2018, 199 : 298 - 303
  • [44] Stability of dye loaded faujasites against organic solvents:: effect of SiCl4 treatment
    Hölderich, WF
    Röhrlich, N
    Bartl, P
    Chassot, L
    PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2000, 2 (17) : 3919 - 3923
  • [45] ALUMINUM INSERTION INTO HIGH-SILICA ZEOLITE FRAMEWORKS .2. BINDER ACTIVATION OF HIGH-SILICA ZSM-5
    SHIHABI, DS
    GARWOOD, WE
    CHU, P
    MIALE, JN
    LAGO, RM
    CHU, CTW
    CHANG, CD
    JOURNAL OF CATALYSIS, 1985, 93 (02) : 471 - 474
  • [46] PREPARATION OF HIGH-SILICA GLASSES FROM COLLOIDAL GELS .1. PREPARATION FOR SINTERING AND PROPERTIES OF SINTERED GLASSES
    RABINOVICH, EM
    JOHNSON, DW
    MACCHESNEY, JB
    VOGEL, EM
    JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1983, 66 (10) : 683 - 688
  • [48] ADSORPTION OF METHYLENE BLUE BY HIGH-SILICA SANDS
    MITCHELL, G
    POOLE, P
    SEGROVE, HD
    NATURE, 1955, 176 (4491) : 1025 - 1026
  • [49] PETROGENESIS OF HIGH-SILICA RHYOLITE ON THE ALASKA PENINSULA
    LOWENSTERN, JB
    MAHOOD, GA
    GEOPHYSICAL RESEARCH LETTERS, 1991, 18 (08) : 1565 - 1568
  • [50] HYDROCRACKING REFORMATES ON CATALYSTS WITH HIGH-SILICA ZEOLITES
    RABINOVICH, GL
    KREININ, MV
    GOKHMAN, BK
    MUKHENBERG, KM
    SHIPIKIN, VV
    CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS, 1991, 27 (1-2) : 88 - 92