Hostname: page-component-848d4c4894-ttngx Total loading time: 0 Render date: 2024-04-30T20:11:34.729Z Has data issue: false hasContentIssue false

Transformation of Birnessite to Buserite, Todorokite, and Manganite under Mild Hydrothermal Treatment

Published online by Cambridge University Press:  02 April 2024

D. C. Golden
Affiliation:
Department of Soil & Crop Sciences, Texas A&M University, College Station, Texas 77843
C. C. Chen
Affiliation:
Department of Soil & Crop Sciences, Texas A&M University, College Station, Texas 77843
J. B. Dixon
Affiliation:
Department of Soil & Crop Sciences, Texas A&M University, College Station, Texas 77843

Abstract

Investigations were conducted to determine the hydrothermal transformations of synthetic birnessite exchanged with different metal ions. Autoclaving in a Teflon-lined stainless steel pressure vessel at 155°C for 24 hr of Mg-, Ca-, La-, and Co-saturated birnessite yielded manganese minerals having 10-Å X-ray powder diffraction (XRD) spacings. The autoclaved Mg-birnessite yielded a mineral identical to natural todorokite in its infrared (IR) spectrum and XRD patterns. High-resolution transmission electron microscopy (HRTEM) provided images having 10-, 12.5-, 15-, and 20-Å wide fringes indicating heterogeneous channel widths in the crystallographic a direction, and IR spectroscopy produced bands at 757, 635, 552, 515, 460, and 435 cm-1, confirming the product obtained by autoclaving Mg-birnessite to be todorokite. Prolonged autoclaving of Mg-birnessite yielded manganite (γ-MnOOH) as a by-product; manganite did not form when the autoclaving time was shortened to 8 hr. Also, when Ca-saturated samples were autoclaved, the product gave d-values of 10 Å, but the XRD lines were broad and heterogeneity of the channel sizes was evident from HRTEM observations. The Ca-derivative had an IR spectrum similar to that of natural todorokite. Images showing 10-Å lattice fringes were observed by HRTEM for the Ni-saturated sample, which also produced an XRD pattern similar to that of the Mg-saturated sample. Co- and Lasaturated samples did not form todorokite, although HRTEM of La-saturated samples indicated some 10-Å lattice fringes that were unstable in the electron beam. Birnessite saturated with Na, K, NH4, Cs, Ba, or Mn(II) gave products having 7-Å spacings upon autoclaving.

Type
Research Article
Copyright
Copyright © 1987, The Clay Minerals Society

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Burns, R. G. and Burns, V. M., 1977 The mineralogy and crystal chemistry of deep-sea manganese nodules—A polymetallic resource of the twenty-first century Phil. Trans. Roy. Soc. London A.286 283301.Google Scholar
Burns, R. G., Burns, V. M. and Stockman, H., 1983 A review of the todorokite-buserite problem: Implications to the mineralogy of marine manganese nodules Amer. Mineral. 68 972980.Google Scholar
Burns, R. G., Burns, V. M. and Stockman, H. W., 1985 The todorokite-buserite problem: Further considerations Amer. Mineral. 70 202204.Google Scholar
Burns, V. M. and Burns, R. G., 1978 Post-depositional metal enrichment processes inside manganese nodules from the north equatorial Pacific Earth Planet. Sci. Lett. 39 341348.CrossRefGoogle Scholar
Chen, C. C., Golden, D. C. and Dixon, J. B., 1986 Trans-formation of synthetic birnessite to cryptomelane: An electron microscopy study Clays & Clay Minerals 34 565571.CrossRefGoogle Scholar
Chukhrov, F. V. and Gorshkov, A. I., 1981 Iron and man-ganese oxide minerals in soils Trans. Royal Society Edinburgh 72 195200.CrossRefGoogle Scholar
Chukhrov, F. V., Gorshkov, A. I., Sivtsov, A. V. and Berezovskaya, V. V., 1979 New data on natural todorokites Nature 278 631632.CrossRefGoogle Scholar
Chukhrov, F. V., Gorshkov, A. I., Vitovskaya, I. V., Drits, V. A., Sivtsov, A. V., Amstutz, G. C., El Gorezy, A., Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A. and Zimmerman, R. C., 1982 On the nature of Co-Ni asbolane; a component of some supergene ores Ore Genesis—The State of the Art 230239.CrossRefGoogle Scholar
Chukhrov, F. V., Gorshkov, A. I., Vitovskaya, I. V., Drits, V. A. and Sivtsov, Y. S., 1980 Crys-tallochemical nature of Co-Ni asbolane Int. Geol. Rev. 24 598604.CrossRefGoogle Scholar
Frondel, C., Marvin, U. B. and Ito, J., 1960 New occur-rences of todorokite Amer. Mineral. 45 11671173.Google Scholar
Giovanoli, R., Varentsov, I. M. and Grasselly, G., 1980 On natural and synthetic manganese nodules Geology and Geochemistry of Manganese 160202.Google Scholar
Giovanoli, R., 1985 A review of the todorokite-buserite problem: Implications to the mineralogy of marine manganese nodules. Discussion Amer. Mineral. 70 202204.Google Scholar
Giovanoli, R. and Balmer, B., 1981 A new synthesis of hollandite. A possibility of immobilizing nuclear waste Chimia 35 5355.Google Scholar
Golden, D. C., Chen, C. C. and Dixon, J. B., 1986 Synthesis of todorokite Science 231 717719.CrossRefGoogle ScholarPubMed
Golden, D. C., Dixon, J. B. and Chen, C. C., 1986 Ion exchange, thermal transformations, and oxidizing properties of birnessite Clays & Clay Minerals 34 511520.CrossRefGoogle Scholar
Ostwald, J., 1984 Two varieties of lithiophorite in some Australian deposits Mineral. Mag. 48 383388.CrossRefGoogle Scholar
Piper, D. Z., Basier, J. R. and Bischoff, J. L., 1984 Oxidation state of marine manganese nodules Geochim. Cosmochim. Acta 48 23472355.CrossRefGoogle Scholar
Potter, R. M. and Rossman, G. R., 1979 The tetravalent manganese oxides: Identification, hydration, and structural relationships by infrared spectroscopy Amer. Mineral. 64 11991218.Google Scholar
Siegel, M. D. and Turner, S., 1983 Crystalline todorokite associated with biogenic debris in manganese nodules Science 219 172174.CrossRefGoogle ScholarPubMed
Stähli, E., 1968 Über Manganate(IV) mit Schichten-Struktur Switzerland Ph.D. thesis, Univ. Bern, Bern.Google Scholar
Straczek, J. A., Horen, A., Ross, M. and Warshaw, C. M., 1960 Studies of the manganese oxides. IV. Todorokite Amer. Mineral. 45 11741184.Google Scholar
Tejedor-Tejedor, M. I., Paterson, E., Mortland, M. M. and Farmer, V. C., 1979 Reversibility of lattice collapse in synthetic buserite Proc. Int. Clay Conf, Oxford, 1978 Amsterdam Elsevier 501508.Google Scholar
Turner, S., 1982 A structural study of tunnel manganese oxides by high-resolution transmission electron microscopy .Google Scholar
Turner, S. and Buseck, P. R., 1979 Manganese oxide tunnel structures and their intergrowths Science 203 456458.CrossRefGoogle ScholarPubMed
Turner, S. and Buseck, P., 1981 Todorokites: A new family of naturally occurring manganese oxides Science 212 10241027.CrossRefGoogle ScholarPubMed
Turner, S. and Buseck, P. R., 1982 HRTEM and EDS of tops and bottoms of some Ni-bearing Mn-nodules EOS 63 1010.Google Scholar
Turner, S., Siegel, M. D. and Buseck, P. R., 1982 Structural features of todorokite intergrowths in manganese nodules Nature 296 841842.CrossRefGoogle Scholar
Wadsley, A. D., 1950 A hydrous manganese oxide with exchange properties J. Amer. Chem. Soc. 72 17821784.CrossRefGoogle Scholar