THE STATE OF IRON IN NATURAL ZEOLITES - A MOSSBAUER STUDY

被引:39
作者
ROQUEMALHERBE, R [1 ]
DIAZAGUILA, C [1 ]
REGUERARUIZ, E [1 ]
FUNDORALLITERAS, J [1 ]
LOPEZCOLADO, L [1 ]
HERNANDEZVELEZ, M [1 ]
机构
[1] HIGHER PEDAG INST HAVANA,FAC PHYS,HAVANA,CUBA
来源
ZEOLITES | 1990年 / 10卷 / 07期
关键词
Iron; magnetite; Mössbauer spectroscopy; natural zeolite; octahedral site; tetrahedral site;
D O I
10.1016/0144-2449(90)90080-B
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
The state of iron in natural zeolites is an important feature for the practical applications of these materials. A Mössbauer study, complemented with other methods, of iron-containing zeolitic rocks from several countries (Mexico, Cuba, Czechoslovakia, and the USSR) was developed. It has been determined that iron is located as high spin Fe3+ in framework tetrahedral sites, in extraframework octahedral sites as free Fe(H2O)63+, and as high spin Fe2+ in octahedral coordination in extraframework sites or in another aluminosilicate associated with the zeolite. Iron is also located in magnetite contained in the zeolite rocks. © 1990.
引用
收藏
页码:685 / 689
页数:5
相关论文
共 40 条
  • [1] MOSSBAUER SPECTROSCOPIC STUDIES OF FE(II)-Y, FE(II)-MORDENITE, AND FE(II)-ZSM-5 ZEOLITES
    APARICIO, LM
    DUMESIC, JA
    [J]. LANGMUIR, 1988, 4 (04) : 1044 - 1048
  • [2] INFRARED AND MOSSBAUER-SPECTROSCOPY STUDIES OF THE INTERACTION OF NO WITH IRON-EXCHANGED ZEOLITES
    APARICIO, LM
    HALL, WK
    FANG, SM
    ULLA, MA
    MILLMAN, WS
    DUMESIC, JA
    [J]. JOURNAL OF CATALYSIS, 1987, 108 (01) : 233 - 246
  • [3] APPLICATIONS OF MOSSBAUER EFFECT TO SILICATE MINERALOGY .I. IRON SILICATES OF KNOWN CRYSTAL STRUCTURE
    BANCROFT, GM
    MADDOCK, AG
    BURNS, RG
    [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1967, 31 (11) : 2219 - &
  • [4] APPLICATIONS OF MOSSBAUER EFFECT TO SILICATE MINERALOGY .2. IRON SILICATES OF UNKNOWN AND COMPLEX CRYSTAL STRUCTURES
    BANCROFT, GM
    BURNS, RG
    STONE, AJ
    [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1968, 32 (05) : 547 - &
  • [5] A SPECTROSCOPIC INVESTIGATION OF THE IRON DISTRIBUTION IN ZEOLITES DERIVED FROM LIPARI PUMICE
    BART, JCJ
    BURRIESCI, N
    CARIATI, F
    PETRERA, M
    ZIPELLI, C
    [J]. ZEOLITES, 1983, 3 (03): : 226 - 232
  • [6] HYDROTHERMAL TRANSFORMATION OF NATURAL CLINOPTILOLITE TO ZEOLITE-Y AND ZEOLITE-P1 - INFLUENCE OF THE NA, K CONTENT
    DELASPOZAS, C
    QUINTANILLA, DD
    PEREZPARIENTE, J
    ROQUEMALHERBE, R
    MAGI, M
    [J]. ZEOLITES, 1989, 9 (01): : 33 - 39
  • [7] MOSSBAUER EFFECT OF EXCHANGEABLE FERROUS IONS IN Y ZEOLITE AND DOWEX 50 RESIN
    DELGASS, WN
    GARTEN, RL
    BOUDART, M
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1969, 50 (11) : 4603 - &
  • [8] DEHYDRATION AND ADSORBATE INTERACTIONS OF FE-Y ZEOLITE BY MOSSBAUER SPECTROSCOPY
    DELGASS, WN
    GARTEN, RL
    BOUDART, M
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1969, 73 (09) : 2970 - &
  • [9] DIAZ C, 1988, THESIS NATIONAL CTR
  • [10] FICHT FR, 1982, ZEOLITES, V2, P279