Clarification of cottonseed oil: How structural properties of treated bentonites by acid affect bleaching efficiency

Latin American Applied Research

Volumn 36, Issue 1, 2006, Pages 37-40

  Foletto, E L ^a   Volzone, C ^b   Porto, L M ^c  

^a FEDERAL UNIVERSITY OF SANTA MARIA   (Brazil)

^b Centro Científico y Tecnológico Consejo Nacional de Investigaciones Científicas y Técnicas   (Argentina)

^c FEDERAL UNIVERSITY OF SANTA CATARINA   (Brazil)

Author keywords

Acid activated clay; Bleaching of vegetable oil; Oil clarification

Indexed keywords

EID: 30644457306     PISSN: 03270793     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (11)

1. Barrios, M.S., L.V.F, González, M.A.V. Rodriguez and J.M.M. Pozas, "Acid activation of a palygorskite with HCl: development of physico-chemical, textural and surface properties," Appl. Clay Sci. 10, 247-258 (1995).
2. Foletto, E.L., C. Volzone, A.F. Morgado and L.M. Porto, "Análise comparativa da ativação ácida de dois materials argilosos com diferentes composições mineralógicas," In: VI Jornadas Argentinas de Tratamiento de Minerales, 43-48, Salta, Argentina (2000).
3. Foletto, E.L., C. Volzone and L.M. Porlo, "Performance of an Argentinian Acid-Activated Bentonite in the Bleaching of Soybean Oil," Braz. J. Chem. Eng., 20, 139-145 (2003).
4. Grim, R. and G. Kulbicki, "Montmorillonite: high temperature reactions and classification," Amer. Mineral 46,1329-1369 (1961).
5. González-Pradas, E., M. Socías-Viciana, M.D. Ureña-Amate, A. Cantos-Molina and M. Villafranca-Sánchez, "Adsorption of chloridazon from aqueous solution on heat and acid treated sepiolites," Water Res, 39, 1849-1857 (2005).
6. Hassan, M.S. and A.-Khalek, N.A., "Beneticiation and applications of an Egyptian bentonite," Appl. Clay Sci., 13, 99-115 (1998).
7. Mokaya, R., W. Jones, M.E. Davies and M.E. Whittle, "Chlorophyll adsorption by alumina pillared acid-activated clay," J. Am.Oil Chem. Soc., 70, 241-244 (1993).
8. Nguetnkam, J.P., R. Kamga, F. Villiéras, G.E. Ekodeck, A. Razafitianamaharavo and J. Yvon, "Assessment of the surface areas of silica and clay in acid-leached clay materials using concepts of adsorption on heterogeneous surfaces," J. Col. Int. Sci., 289, 104-115 (2005).
9. Proctor, A. and S. Palaniappan, "Soy oil lutein adsorption by rice hull ash," J. Am.Oil Chem. Soc. 66, 1618-1621 (1989).
10. Taylor, D.R. and D.B. Jenkins, "Acid-activated clays," Soc. Min. Eng. A.I.M.E. Trans. 282, 1901-1910 (1987).
11. Tyagi, B., C.D. Chudasama and R.V. Jasra, "Characterization of surface acidity of an acid montmorillonite activated with hydrothermal, ultrasonic and microwave techniques," Appl. Clay Sci., In Press (2005).