The influence of acid treatment on the composition of bentonite

Clays and Clay Minerals

Volumn 54, Issue 6, 2006, Pages 697-702

  Vuković, Zorica ^a   Milutonović, Aleksandra ^a   Rožić, Ljiljana ^a   Rosić, Aleksandra ^b   Nedić, Zoran ^c   Jovanović, Dušan ^a  

^a UNIVERSITY OF BELGRADE   (Serbia)

^b Faculty of Mining and Geology   (Yugoslavia)

^c Faculty of Physics   (Yugoslavia)

Author keywords

Acid treatment; Bentonite; Chemical analysis; IR; XRD

Indexed keywords

ACIDS; CHEMICAL ANALYSIS; COMPOSITION; INFRARED SPECTROSCOPY; X RAY DIFFRACTION ANALYSIS;

ACID CONCENTRATION; ACID STRENGTH; ACID TREATMENT; BENTONITE COMPOSITION; X-RAY AMORPHOUS MATTER;

BENTONITE;

ACID; BENTONITE; CHEMICAL ANALYSIS; CHEMICAL COMPOSITION; INFRARED SPECTROSCOPY; X-RAY DIFFRACTION;

EID: 33846319321     PISSN: 00098604     EISSN: None     Source Type: Journal    
DOI: 10.1346/CCMN.2006.0540605     Document Type: Article

References (16)

1. Breen, C., Zahoor, F.D., Madejová, J. and Komadel, P. (1997) Characterization and catalytic activity of acid-treated, size-fractionated smectites. The Journal of Physical Chemistry B, 101, 5324-5331.
2. Christidis, G.E., Scott, P.W. and Dunham, A.C. (1997) Acid activation and bleaching capacity of bentonites from the islands of Milos and Chios, Aegean, Greece. Applied Clay Science, 12, 329-347.
3. Falaras, P., Kovanis, I., Lezou, F. and Seiragakis, G. (1999) Cotton seed oil bleaching by acid-activated montmorillonite. Clay Minerals, 34, 221-232.
4. Gates, W.P., Anderson, J.S., Raven, M.D. and Churchman, G.J. (2002) Mineralogy of a bentonite from Miles, Queensland, Australia, and characterisation of its acid activation products. Applied Clay Science, 20, 189-197.
5. Jovanović, N., Brezovska, S., Burevski, D., Boevska, V., Panova, B. and Vuković, Z. (1996) The effect of inorganic acids on the adsorption properties of bentonite. Journal of the Serbian Chemical Society, 61, 453-460.
6. Komadel, P. (2003) Chemically modified smectites. Clay Minerals, 38, 127-138.
7. Komadel, P., Bujdák, J., Madejová, J., Šuchá, V. and Elsass, F. (1996) Effect of non-swelling layers on the dissolution of reduced-charge montmorillonite in hydrochloric acid. Clay Minerals, 31, 333-345.
8. Madejová, J., Komadel, P. and Čičel, B. (1994) Infrared study of octahedral site populations in smectites. Clay Minerals, 29, 319-326.
9. Madejová, J., Bujdák, J., Janek, M. and Komadel, P. (1998) Comparative FT-IR study of the structural modifications during acid treatment of dioctahedral smectites and hectorite. Spectrochimica Acta A, 54, 1397-1406.
10. Mendioroz, S., Pajares, J.A., Benito, I., Pesquera, C., Gonzales, F. and Blanco, C. (1987) Texture evolution of montorillonite under progressive acid treatment: change from H3 to H2 type of hysteresis. Langmuir, 3, 676-681.
11. Novak, I. and Čičel, B. (1978) Dissolution of smectites in hydrochloric acid: II. Dissolution rates as a function of crystallochemical composition. Clays and Clay Minerals, 26, 341-344.
12. Obut, A. and Girgin, I. (2002) The improvement of gelling property of bentonites using their physico-chemical and mineralogical characteristics. Yerbilimleri, 25, 1-10.
13. Temuujin, J., Jadambaa, Ts., Burmaa, G., Erdenechimeg, Sh., Amarasanaa, J. and MacKenzie, K.J.D. (2004) Characterisation of acid activated montmorillonite clay from Tuulant (Mongolia). Ceramics International, 30, 251-255.
14. Vaccari, A. (1998) Preparation and catalytic properties of cationic and anionic clays. Catalysis Today, 41, 53-71.
15. Valenzuela Diaz, F.R. and Santos, P.S. (2001) Studies on the acid activation of Brazilian smectitic clays. Quimica Nova, 24, 345-353.
16. Vuković, Z., Milutinović-Nikolić, A., Krstić, J., Abu-Rabi, A., Novaković, T. and Jovanović, D. (2005) The influence of acid treatment on the nanostructure and textural properties of bentonite clays. Materials Science Forum, 494, 339-344.