Interfacial chemistry features of selected fluorite surfaces

Separation Technologies for Minerals, Coal, and Earth Resources

Volumn , Issue , 2012, Pages 627-634

  Zhang, Xia ^a   Wang, Xuming ^a   Yin, Xihui ^a   Du, Hao ^a   Miller, Jan D ^a  

^a UNIVERSITY OF UTAH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL SURFACES; FLUORITE SURFACES; INTERFACIAL WATER STRUCTURE; MOLECULAR DYNAMICS SIMULATIONS; NONEQUILIBRIUM CONDITIONS; SUM-FREQUENCY VIBRATIONAL SPECTROSCOPY; WATER CONTACT ANGLE MEASUREMENT; WETTING CHARACTERISTICS;

COAL DEPOSITS; CONTACT ANGLE; CRYSTAL STRUCTURE; MOLECULAR DYNAMICS; SEPARATION; SURFACE CHEMISTRY;

FLUORSPAR;

EID: 84860745997     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (24)

1. Berendsen, H.J.C., W.F. Van Gunsteren, E. Egberts, and J. De Vlieg. 1987. Dynamic simulation of complex molecular systems. ACS Symposium Series 353:106-122.
2. de Leeuw, N.H., and T.G. Cooper. 2003. A computational study of the surface structure and reactivity of calcium fluoride. J. Mater. Chem. 13:93-101.
3. Drzymala, J. 1994a. Characterization of materials by Hallimond tube flotation. Part 1: maximum size of entrained particles. Int. J. Miner. Process. 42:139-152.
4. Drzymala, J. 1994b. Hydrophobicity and collectorless flotation of inorganic materials. Adv. Colloid Interface Sci. 50:143-185.
5. Du, H., J. Liu, O. Ozdemir, A.V. Nguyen, and J.D. Miller. 2008. Molecular features of the air/carbonate solution interface. J. Colloid Interface Sci. 318:271-277.
6. Fa, K., A.V. Nguyen, and J.D. Miller. 2005. "Interaction of calcium dioleate collector colloids with calcite and fluorite surfaces as revealed by AFM force measurements and molecular dynamics simulation." Centenary of Flotation Symposium, June 6, 2005-June 9, 2005, Brisbane, QLD, Australia. 2005, pp. 425-432. Australasian Institute of Mining and Metallurgy Publication Series.
7. Graciaa, A., G. Morel, P. Saulner, J. Lachaise, and R.S. Schechter. 1995. The [zeta]-Potential of Gas Bubbles. J. Colloid Interface Sci. 172:131-136.
8. Janczuk, B., J.M. Bruque, M.L. Gonzalez-Martin, and J.M. del Pozo. 1993. Wettability and surface tension of fluorite. Colloids Surf., A 75:163-168.
9. Krasowska, M., and K. Malysa. 2007. Kinetics of bubble collision and attachment to hydrophobic solids: I. Effect of surface roughness. Int. J. Miner. Process. 81:205-216. (Pubitemid 46073356)
10. Lee, S.H., and J.C. Rasaiah. 1996. Molecular Dynamics Simulation of Ion Mobility. 2. Alkali Metal and Halide Ions Using the SPC/E Model for Water with Simple Truncation of Ion-Water Potential. J. Phys. Chem. 100:1420-1425. (Pubitemid 126835042)
11. Melchionna, S., G. Ciccotti, and B.L. Holian. 1993. Hoover NPT dynamics for systems varying in shape and size. Mol. Phys. 78:533-544.
12. Nickolov, Z.S., X. Wang, and J.D. Miller. 2004. Liquid/air interfacial structure of alcohol-octyl hydroxamic acid mixtures: a study by sumfrequency spectroscopy. Spectrochimica Acta 60:2711-2717.
13. 2(111) surface. J. Phys.: Condens. Matter 13:2081-2094.
14. Reichling, M., R.M. Wilson, R. Bennewitz, R.T. Williams, S. Gogoll, E. Stenzel, and E. Matthias. 1996. Surface colloid evolution during low-energy electron irradiation of CaF2(111). Surf. Sci. 366:531-544. (Pubitemid 126389988)
15. 2(111). J. Phys.: Condens. Matter 16:33-L37.
16. Simon Schrödle and Geraldine, L.R. 2008. In situ non-linear spectroscopic approaches to understanding adsorption at mineral-water interfaces. J. Phys. D: Appl. Phys. 41:033001.
17. Smith, W., and T.R. Forester. 1996. DLPOLY User Manual. J. Mol. Graphics 14:136.
18. Speziale, S., and Duffy, T.S. 2002. Single-crystal elastic constants of fluorite (CaF2) to 9.3 GPa. Phys. Chem. Miner. 29: 465-472. (Pubitemid 35022686)
19. Van Loon, L.L., and H.C. Allen. 2004. Methanol reaction with sulfuric acid: A vibrational spectroscopic study. J. Phys. Chem. B 108:17666-17674.
20. Van Loon, L.L., R.N. Minor, and H.C. Allen. 2007. Structure of butanol and hexanol at aqueous, ammonium bisulfate, and sulfuric acid solution surfaces investigated by vibrational sum frequency generation spectroscopy. J. Phys. Chem A 111:7338-7346. (Pubitemid 47280475)
21. Wu, L., and W. Forsling. 1995. Surface complexation of calcium minerals in aqueous solution. III. Ion exchange and acid-base properties of hydrous fluorite surfaces. J. Colloid Interface Sci. 174:178-184.
22. Yang, C., T. Dabros, D. Li, J. Czarnecki, and J.H. Masliyah. 2001. Measurement of the zeta potential of gas bubbles in aqueous solutions by microelectrophoresis method. J. Colloid Interface Sci. 243:128-135. (Pubitemid 33065566)
23. Zawala, J., J. Drzymala, and K. Malysa. 2007. Natural hydrophobicity and flotation of fluorite. Physicochem. Probl. Miner. Process. 41:5-11.
24. Zawala, J. 2008. An investigation into the mechanism of the three-phase contact formation at fluorite surface by colliding bubble. Int. J. Miner. Process. 88:72-79.