Non-framework aluminium in highly dealuminated Y zeolites generated by steaming or substitution

被引：0
|
作者：
Lutz, W
Loffler, E
Fechtelkord, M
Schreier, E
Bertram, R
机构：
[1] ANALYT UMWELTTECH FORSCH GMBH, D-12484 BERLIN, GERMANY
[2] UNIV HANNOVER, INST MINERAL, D-30167 HANNOVER, GERMANY
[3] HUMBOLDT UNIV BERLIN, INST CHEM, D-10115 BERLIN, GERMANY
来源：
PROGRESS IN ZEOLITE AND MICROPOROUS MATERIALS, PTS A-C | 1997年 / 105卷
关键词：
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Non-framework aluminium formed in steamed DAY-T or substituted and aluminated DAY-S-alum zeolites constitutes Al-rich aluminosilicates with 4-fold coordinated aluminium. Its negative charge is compensated by highly condensed Al/O (DAY-T) and Na cations (DAY-S).
引用
收藏
页码：439 / 446
页数：8
相关论文
共 38 条
  • [31] DETERMINATION OF FRAMEWORK ALUMINUM CONTENT IN DEALUMINATED Y-TYPE ZEOLITES - A COMPARISON BASED ON UNIT-CELL SIZE AND WAVE-NUMBER OF IR BANDS
    SOHN, JR
    DECANIO, SJ
    LUNSFORD, JH
    ODONNELL, DJ
    ZEOLITES, 1986, 6 (03): : 225 - 227
  • [32] Theoretical study of the dehydrogenation reaction of ethane catalyzed by zeolites containing non-framework gallium species: The 3-step mechanism x the 1-step concerted mechanism
    Pereira, MS
    Nascimento, MAC
    CHEMICAL PHYSICS LETTERS, 2005, 406 (4-6) : 446 - 451
  • [33] Low-temperature (4.2 K) 23Na and 27Al swept field nuclear magnetic resonance spectroscopy of zeolites. Observation of framework and non-framework aluminum sites
    Wu, X.
    Butler, L.G.
    Microporous Materials, 1995, 4 (04):
  • [34] MOBILITY OF CATIONS IN SYNTHETIC ZEOLITES WITH FAUJASITE FRAMEWORK .3. SELF-DIFFUSION OF CATIONS INTO X-ZEOLITES AND Y-ZEOLITES FROM NON-AQUEOUS SOLUTIONS
    DYER, A
    GETTINS, RB
    JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1970, 32 (07): : 2401 - &
  • [35] A novel image encryption based on rossler map diffusion and particle swarm optimization generated highly non-linear substitution boxes
    Khan, Lal Said
    Hazzazi, Mohammad Mazyad
    Khan, Majid
    Jamal, Sajjad Shaukat
    CHINESE JOURNAL OF PHYSICS, 2021, 72 : 558 - 574
  • [36] Repeatedly performed solid-state substitution of silicon for framework aluminium in Y zeolite using crystalline (NH4)2[SiF6] as dealumination agent
    Pál-Borbély, G
    Beyer, HK
    PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2003, 5 (24) : 5544 - 5551
  • [37] Alkoxy substitution on IDT-Series and Y-Series non-fullerene acceptors yielding highly efficient organic solar cells
    Chen, Yuzhong
    Liu, Tao
    Ma, Lik-Kuen
    Xue, Wenyue
    Ma, Ruijie
    Zhang, Jianquan
    Ma, Chao
    Kim, Ha Kyung
    Yu, Han
    Bai, Fujin
    Wong, Kam Sing
    Ma, Wei
    Yan, He
    Zou, Yingping
    JOURNAL OF MATERIALS CHEMISTRY A, 2021, 9 (12) : 7481 - 7490
  • [38] Characterization of framework and extra-framework aluminum species in non-hydrated zeolites Y by 27Al spin-echo, high-speed MAS, and MQMAS NMR spectroscopy at B0=9.4 to 17.6 T
    Jiao, J
    Kanellopoulos, J
    Wang, W
    Ray, SS
    Foerster, H
    Freude, D
    Hunger, M
    PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2005, 7 (17) : 3221 - 3226
1234