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  • Gao, Xiaodong; Schulze, Darrell G. (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Secondary Fe(III) oxyhydroxides play a key role in controlling the mobility and bioavailability of trace metals in acidic, sulfate-rich soils, such as mining and smelter sites. Schwertmannite, jarosite, goethite, and ...
  • Somelar, Peeter; Kirsimae, Kalle; Hints, Rutt; Kirs, Juho (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    The mineralogical characteristics of Ordovician and Silurian K-bentonites in the Baltic Basin were investigated in order to understand better the diagenetic development of these sediments and to link illitization with the ...
  • Likos, William J.; Wayllace, Alexandra (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Methods for predicting the volume change and swelling-pressure behavior of expansive clays require detailed understanding of coupled interactions between clay microstructure and macrostructure under hydraulic, thermal, and ...
  • Kaur, Navdeep; Singh, Balwant; Kennedy, Brendan J. (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    The morphology, dehydroxylation, and dissolution properties of single- and multi-metal (Cr, Zn, Cd, and Pb)-substituted goethites prepared using hydrothermal methods are reported. The crystal morphology varied with the ...
  • Ozgen, Selcuk; Yildiz, Ahmet (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    As advances in technology have led to increased use of bentonites, more high-quality bentonite has been sought. The volume of high-quality bentonites available is shrinking and use of bentonite reserves containing impurities ...
  • Unknown author (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
  • Unknown author (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
  • Batista, Marcelo A.; Da Costa, Antonio C. S.; Bigham, Jerry M.; De Santan, Henrique; Zaia, Dimas A. M.; De Souza Junior, Ivan G. (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Maghemite (g-Fe2O3) is a ferrimagnetic Fe oxide commonly found in tropical and subtropical soils, especially in the topsoil where it is usually a product of burning. Isomorphic substitution (IS) of the Fe in maghemite by ...
  • Li, Zhaohui; Kolb, Vera M.; Jiang, Wei-teh; Hong, Hanlie (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Due to swelling, smectite minerals are capable of intercalating many organic molecules in their interlayer space. Tetracycline (TC) is a group of antibiotics used extensively in human and veterinary medicine. The great ...
  • Xi, Yuanzhou; Davis, Robert J. (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Glycerol is a byproduct of biodiesel synthesis by transesterification of triglycerides with shortchain alcohols in the presence of solid base catalysts. Because hydrotalcite is a potentially useful basic catalyst for the ...
  • Juncosa, Ricardo; Navarro, Vicente; Delgado, Jordi; Vazquez, Ana (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Bentonite is often proposed as an engineered-buffer material in high-level radionuclide wastemanagement systems. For effective design of the barrier that will provide protection over the long time periods required, the ...
  • Alba, Maria D.; Castro, Miguel A.; Chain, Pablo; Orta, M. Mar; Pazos, M. Carolina; Pavon, Esperanza (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Many environmental applications in the inorganic remediation field are based on the swelling and ion-exchange capacities of smectites, even though these can be affected by hydrothermal treatment in water and acidic media. ...
  • Guo, Min-rong; He, Qiu-xiang; Li, Yu-man; Lu, Xiao-qiao; Chen, Zu-liang (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    LongYan kaolin has a large Fe content which affects the coloring. Bioleaching treatments to remove Fe impurities were conducted here using indigenous dissimilatory Fe(III)-reducing bacteria. The factors that affect bioleaching ...
  • Kogure, Toshihiro; Drits, Victor A. (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    High-resolution transmission electron microscopy (HRTEM) images oftwo dioctahedral micas, celadonite and cis-vacant (cv) illite, were examined in detail to understand the effects of electron radiation on their structures ...
  • Holmboe, Michael; Wold, Susanna; Jonsson, Mats (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    In Sweden and in many other countries, a bentonite barrier will be used in the repository for spent nuclear fuel. In the event of canister failure, colloidal diffusion is a potential, but scarcely studied mechanism of ...
  • Bishop, Michael E.; Jaisi, Deb P.; Dong, Hailiang; Kukkadapu, Ravi K.; Ji, Junfeng (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Fe-reducing micro-organisms can change the oxidation state of structural Fe in clay minerals. The interactions with complex clays and clay minerals in natural materials remain poorly understood, however. The objective of ...
  • Cruz, M. D. Ruiz; De Galdeano, C. Sanz (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    The Hercynian metamorphic event is poorly characterized in internal zone complexes of the Betic Cordillera (Spain), as it has been, to a great extent, overprinted by the mineral assemblages formed during the Alpine event. ...
  • Tlili, A.; Felhi, M.; Montacer, M. (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    The Ypresianphosphatic series of the Gafsa-Metlaoui basin, southwesternTun isia, is represented by an alternation of phosphatic levels and interbedded facies, which are composed of marly clay and silica-rich rocks. The ...
  • Unknown author (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
  • Gutierrez, Marlen; Escudey, Mauricio; Escrig, Juan; Denardin, Juliano C.; Altbir, Dora; Fabris, Jose D.; Cavalcante, Luis C. D.; Garcia-gonzalez, Maria Teresa (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    A magnetic composite was prepared by wet-impregnating a powder of a natural zeolite with a magnetic Fe oxide-containing synthetic material. Both starting materials were first characterized with X-ray diffraction, scanning ...