SILICON ALUMINIUM ORDERING IN THE FRAMEWORK OF ZEOLITES.

被引:0
|
作者
Gottardi, Glauco [1 ]
Alberti, Alberto [1 ]
机构
[1] Univ di Modena, Modena, Italy, Univ di Modena, Modena, Italy
关键词
CRYSTALS; -; Structure; MINERALS; Crystallization;
D O I
暂无
中图分类号
学科分类号
摘要
The (Si, Al) ordering scheme in the framework of zeolites is reviewed. The (Si, Al) distribution in the tetrahedral framework of zeolites may be mainly ordered or mainly disordered. According to a generally accepted model during crystallization of a zeolite from an alumino-silicate (true or colloidal) solution, rings or cages of tetrahedra are formed around a hydrated cation. These act as a template, and so the newly formed cage tends to a definite, constant shape.
引用
收藏
页码:197 / 206
相关论文
共 50 条
  • [21] Descriptions of crystalline structures of zeolites.
    Braga, Ataualpa A. C.
    Morgon, Nelson H.
    QUIMICA NOVA, 2007, 30 (01): : 178 - 188
  • [22] Analysis and simulation of mobility in zeolites.
    Auerbach, SM
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1997, 213 : 149 - COLL
  • [23] Dynamics of cations in dry zeolites.
    Jaramillo, E
    Auerbach, SM
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1998, 216 : U638 - U639
  • [24] Carbocations on Zeolites. Quo Vadis?
    Mota, Claudio J. A.
    Rosenbach, Nilton, Jr.
    JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, 2011, 22 (07) : 1197 - 1205
  • [25] On the plasma enhanced acidity of zeolites.
    Xia, Q
    Liu, CJ
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2003, 225 : U54 - U54
  • [26] ADSORPTION AND DIFFUSION OF HYDROCARBONS IN ZEOLITES.
    Rees, Lovat V.C.
    1600, (21):
  • [27] Synthesis of azafluorenones using zeolites.
    Sreekumar, R
    Rugmini, P
    Padmakumar, R
    SYNTHETIC COMMUNICATIONS, 1998, 28 (11) : 2071 - 2075
  • [28] Mesoporous zeolites. Between zeolites and ordered masoperous materials
    Jaroszewska, Karolina
    PRZEMYSL CHEMICZNY, 2017, 96 (06): : 1398 - 1406
  • [29] Study on the Extra-framework Aluminium in REUSY Zeolites
    鲍书林
    傅军
    须沁华
    童广明
    张奎喜
    ChineseScienceBulletin, 1993, (17) : 1446 - 1450
  • [30] Mechanistic singlet oxygen chemistry in zeolites.
    Clennan, EL
    Zhou, WH
    Sram, JP
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1999, 218 : U92 - U92