Alteration of cameroonian clays under acid treatment. Comparison with industrial adsorbents

Applied Clay Science

Volumn 52, Issue 1-2, 2011, Pages 122-132

  Nguetnkam, J P ^a,b   Kamga, R ^a   Villieras F ^b   Ekodeck, G E ^c   Razafitianamaharavo, A ^b   Yvon, J ^b  

^a UNIVERSITÉ DE NGAOUNDÉRÉ   (Cameroon)

^b Nancy University   (France)

^c UNIVERSITY OF YAOUNDÉ I   (Cameroon)

Author keywords

Acid activation; Cameroon; Industrial adsorbents; Kaolinite; Smectites

Indexed keywords

ACID ACTIVATION; ACID LEACHING; ACID TREATMENTS; AMORPHOUS COMPOUNDS; CAMEROON; CATION EXCHANGE CAPACITIES; CLAY PARTICLES; ELEMENTAL ANALYSIS; INDUSTRIAL ADSORBENTS; IR-SPECTROSCOPY; MESOPOROSITY; NITROGEN ADSORPTION ISOTHERM; SMECTITES; SPECTROSCOPY DATA; SULPHURIC ACIDS; TEM-EDS; TETRAHEDRAL SHEETS; TEXTURAL MODIFICATIONS; TEXTURAL PROPERTIES; TOXIC ELEMENTS; XRD;

CHEMICAL ANALYSIS; CHEMICALS; CRYSTALLOGRAPHY; GAS ADSORPTION; INDUSTRY; KAOLIN; KAOLINITE; LEACHING; LEAD; LUBRICATING OILS; MINERALOGY; MINERALS; PETROLEUM REFINING; RARE EARTH ELEMENTS; RARE EARTHS; SILICATE MINERALS; SILICON COMPOUNDS; TRACE ELEMENTS; VEGETABLE OILS;

SULFURIC ACID;

ADSORPTION; CATION EXCHANGE CAPACITY; CHEMICAL ANALYSIS; KAOLINITE; MINERALOGY; SMECTITE; SULFURIC ACID; SWELLING; TEXTURE;

CAMEROON;

EID: 79953066762     PISSN: 01691317     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.clay.2011.02.009     Document Type: Article

References (35)

1. Barrett E.P., Joyner L.G., Halenda P.P. The determination of pore volume and area distributions in porous substances. I. Computation from nitrogen isotherms. J. Am. Chem. Soc. 1951, 73:373-380.
2. Breen C., Madejova J., Komadel P. Characterization of moderately acid-treated, size-fractionated montmorillonites using IR and MASNMR spectroscopy and thermal analysis. J. Mater. Chem. 1995, 5:469-474.
3. Breen C., Zahoor E.D., Madejova J., Komadel P. Characterization and catalytic activity of acid-treated, size-fractionated smectites. J. Phys. Chem. B 1997, 101:5324-5331.
4. Brückman K., Fijal J., Klapyta Z., Wiltowski T., Zabinski W. Influence of different activation methods on the catalytic properties of montmorillonite. Mineral. Pol. 1976, 7:5-17.
5. Christidis G.E., Kosiari S. Decolorization of vegetable oils: a study of the mechanism of adsorption of carotene by an acid-activated bentonite from Cyprus. Clays Clay Miner. 2003, 51(N°.3):327-333.
6. Christidis G.E., Scott P.W., Duhnam A.C. Acid activation and bleaching capacity of bentonites from the islands of Milos and Chios, Aegan. Appl. Clay Sci. 1997, 12:329-347.
7. Clarke G.M. Special clays. Ind. Miner. 1985, 216:25-51.
8. Corma A., Misfud A., Sanz E. Influence of the chemical and textural characteristics of palygorskite on the acid leaching of octahedra cations. Clay Miner. 1987, 28:225-232.
9. De Boer J.H., Lippens B.C., Linsen B.G., Brokhoff J.C.P., Van Der Heuvel A., Osinga T.J. The t-cuve of multimolecular N2 adsorption. J. Colloid Interface Sci. 1966, 21:405-414.
10. Espantaleon A.G., Nieto J.A., Fernandez M., Marsal A. Use of activated clays in the removal of dyes and surfactants from tannery waste waters. Appl. Clay Sci. 2003, 24(1):105-110.
11. Falaras P., Kovanis I., Lezou F., Seiragakis G. Cottonseed oil bleaching by acid-activated montmorillonite. Clay Miner. 1999, 34:221-232.
12. Falaras P., Lezou F., Seiragakis G., Petrakis D. Bleaching properties of alumina-pillared acid-activated montmorillonite. Clays Clay Miner. 2000, 48(5):549-556.
13. Greene-Kelly The montmorillonite minerals (smectites). Differential Thermal Investigation of Clays 1957, 53-59. Mineralogical Society, London. Mackenzie (Ed.).
14. Grim R.E. Applied Clay Mineralogy 1962, McGraw-Hill, New York, 422 pp.
15. Hoffman U., Klemen R. Verlust der austauschfähigkeit von lithiumioen and bentonit durch erhitzung. Zeitsch. Anorg. Chem. 1950, 262:95-99.
16. Jozefaciuk G., Bowanko G. Effect of acid and alkali treatments on surface areas and adsorption energies of selected minerals. Clays Clay Miner. 2002, 50(N°.6):771-783.
17. Komadel P., Schmidt D., Madejova J., Cicel B. Alteration of smectites by treatments with acid and sodium carbonate solutions. Appl. Clay Sci. 1990, 5:113-122.
18. Kumar P., Jastra R.V., Bhat T.S.G. Evaluation of porosity and surface acidity in montmorillonite clay on acid activation. Ind. Eng. Chem. Res. 1995, 34:1440-1448.
19. Luce R.W., Barlett R.W., Parks G.A. Dissolution kinetics of magnesium silicates. Geochim. Cosmochim. Acta 1972, 36:35-50.
20. Molinard A., Peeters K.K., Maes N., Vansant E.F. Restoring the cation exchange capacity of alumina pillared montmorillonite trough modification with ammonium. Separation Technology, Proc. Third Int. Symp. On Separation Technology 1994, Elsevier Science, Amsterdam. E.F. Vansant (Ed.).
21. Morgan D.A., Shaw D.B., Sidebottom M.J., Soon T.C., Taylor R.S. The function of bleaching earths in the processing of palm, palm kernel and coconut oils. J. Am. Oil Chem. Soc. 1985, 62:292-299.
22. Nguetnkam, J.P., 2004. Les argiles des vertisols et des sols fersiallitiques de l'extrême Nord Cameroun: Genèse, propriétés cristallochimiques et texturales, typologie et applications à la décoloration des huiles végétales. Thèse Doctorat d'Etat, Université de Yaoundé I, 216 pp.
23. Nguetnkam J.P., Kamga R., Villiéras F., Ekodeck G.E., Razafitianamaharavo A., Yvon J. Assessment of the surface areas of silica and clay in acid leached clay materials using concepts of adsorption on heterogeneous surfaces. J. Colloid Interface Sci. 2005, 298:104-115.
24. O'Driscoll M. Bentonite; overcapacity in need of markets. Ind. Miner. 1988, 250:43-67.
25. Rhodes C.N., Brown D.R. Structural characterization and optimization of acid-treated montmorillonite and high-porosity silica supports for ZnCl2 alkylation catalysts. J. Chem. Faraday Trans. 1992, 88(15):2269-2274.
26. Srasra E., Bergaya F., Van Damme H., Arguib N.K. Surface properties of an activated bentonite. Decoloration of grape-seed oil. Appl. Clay Sci. 1989, 4:411-421.
27. Stoch L., Bahranowski K., Gatarz Z. Bleaching properties of non bentonitic clay materials and their modification. II. Bleaching ability of natural and activated Krakowiec clays from Machow. Mineral. Pol. 1979, 10:21-38.
28. Stoch L., Bahranowski K., Eilmes J., Fijal J. Bleaching properties of non bentonitic clay materials and their modification: III. Modification of bleaching properties of Krakowiec clays from machow with some organic compounds. Mineral. Pol. 1979, 10:39-47.
29. Su rez Barrios M., Robert M., Elsass F., Martin Pozas J.M. Evidence of a precursor in the neoformation of palysgorskite. New data by analytical electron microscopy. Clay Miner. 1995, 29:255-264.
30. Suraj G., Iyer C.S.P., Lalithambika M. Adsorption of cadmium and copper by modified kaolinites. Appl. Clay Sci. 1998, 13:293-306.
31. Thomas C.L., Hickey J., Stecker G. Chemistry of clay cracking catalysts. Ind. Eng. Chem. 1950, 42:866-871.
32. Tkac I., Komadel P., Muller D. Acid-treated montmorillonites-a study by 29Si and 27Al MAS NMR. Clay Miner. 1994, 29:11-19.
33. Van Olphen H., Fripiat J.J. Data Handbook for Clay Materials and Other Non-Metallic Minerals 1979, Pergamon Press.
34. Vicente Rodriguez M.A., Suarez M., Lopez Gonzalez J.D., Banares Munoz M.A. Characterization, surface area and porosity analyses of the solid obtained by acid leaching of a saponite. Langmuir 1996, 12:566-572.
35. Zaki I., Abdel-Khalik M., Habashi G.M. Acid leaching and consequent pore structure and bleaching capacity modifications of Egyptian clays. Colloids Surf. 1986, 17:241-249.