EFFECT OF AMORPHOUS SEEDS ON THE CRYSTALLIZATION KINETICS OF NA-A ZEOLITE

被引:2
作者
FEOKTISTOVA, NN
VTURINA, LM
机构
[1] I. V. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, St. Petersburg, 199155
关键词
ZEOLITES; CRYSTALLIZATION; AMORPHOUS SEEDS; NUCLEATION;
D O I
10.1007/BF00717330
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The formation of crystal nuclei occurs when alkaline aluminosilicate gels are treated at temperatures below the crystallization temperature or during crystallization of gels rather than during precipitation of the gels. The linear growth rate of the crystals of Na-A zeolites yielded by alkaline aluminosilicate gels in the presence of amorphous seeds is a function of the product of the concentrations of the silicate and aluminate ions in the intermicellar liquid.
引用
收藏
页码:740 / 745
页数:6
相关论文
共 12 条
  • [1] Breck DW, 1968, MOL SIEVES, P47
  • [2] TEMPERATURE-DEPENDENCE OF NAA ZEOLITE NUCLEATION IN SILICOALUMINA GELS
    FEOKTISTOVA, NN
    VTYURINA, LM
    [J]. BULLETIN OF THE ACADEMY OF SCIENCES OF THE USSR DIVISION OF CHEMICAL SCIENCE, 1988, 37 (04): : 617 - 619
  • [3] MIRSKII IV, 1985, ADSORBENTY IKH SVOIS, P32
  • [4] Zhdanov S. P., 1971, MOL SIEVE ZEOLITES, V101, P20
  • [5] Zhdanov S.P., 1990, SYNTHETIC ZEOLITES, VI
  • [6] EFFECT OF THE TEMPERATURE OF PRELIMINARY TREATMENT OF ALUMINOSILICA GEL ON THE KINETICS OF ISOTHERMAL CRYSTALLIZATION OF NAX ZEOLITE
    ZHDANOV, SP
    FEOKTISTOVA, NN
    JAHN, E
    [J]. BULLETIN OF THE ACADEMY OF SCIENCES OF THE USSR DIVISION OF CHEMICAL SCIENCE, 1986, 35 (08): : 1561 - 1564
  • [7] INVESTIGATION OF ION-EXCHANGE BY NA+ IN BIALKALINE SILICOALUMO GELS AND ZEOLITE CRYSTALS OBTAINED FROM THEM
    ZHDANOV, SP
    SHUBAEVA, MA
    PIRYUTKO, MM
    [J]. BULLETIN OF THE ACADEMY OF SCIENCES OF THE USSR DIVISION OF CHEMICAL SCIENCE, 1983, 32 (09): : 1764 - 1768
  • [8] ZHDANOV SP, 1981, SYNTETICHESKIE TSEOL
  • [9] ZHDANOV SP, 1991, 1990 P ZEOC 90 LEIPZ, P287
  • [10] ZHDANOV SP, 1978, ADSORBENTY IKH SVOIS, P10