Argilas bentoníticas da península de Santa Elena, Equador: pilarização, ativação ácida e seu uso como descolorante de óleo de soja Bentonitic clays of Santa Elena península, Ecuador: al-pilarization, acid-activation and its use in the bleaching of soybean oil

<abstract language="eng">Two samples of calcic bentonite of the Santa Elena Peninsula, Ecuador, were pillared with Al13 ions in the ratio of 10, 15 and 20 meq of Al g-1 of clay, calcinated at 573, 723 and 873 ºK and acid activated with 4, 6 and 8 mol L-1 H2SO4. Analyses by X-ray diff...

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Bibliographic Details
Main Authors: Ana M. Morales-Carrera, Angélica F. D. C. Varajão, Marcos A. Gonçalves, Antônia S. Stachissini
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2009-01-01
Series:Química Nova
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000900009