Description of the publication:


Bastrzyk, A., Polowczyk, I., Sadowski, Z., Sikora, A.


Relationship between properties of oil/water emulsion and agglomeration of carbonate minerals


Separation and Purification Technology




77 (3)









AFM; Cationic Surfactant; Dolomite; Magnesite; Oil agglomeration; Oil/water emulsion


In this study, a modification of oil agglomeration processes of dolomite and magnesite particles has been proposed. In this method the emulsion of kerosene with dodecylammonium hydrochloride (DDAHCl) was added to the minerals suspension. The experimental results have demonstrated that the agglomeration was governed by the properties of oil/water interface such as zeta potential and interfacial tension (γo/w). Addition of cationic surfactant to the emulsion changed the zeta potential value from negative to positive, which resulted in enhanced the adhesion of the oil droplets to negatively charged particles, according to the DLVO theory. The presence of cationic surfactant has an effect on the size of the agglomerate. At the high DDAHCl concentration (21 mg/g solid) the recovery and diameter of agglomerates slightly decreased, and finally a paste was formed. It results from decrease of the value of γ o/w leading to the formation of weaker liquid bridges between solid particles. This explanation was supported by AFM measurements of adhesion forces.


♦ Cebeci, Y., Sariolu, M., Kahriman, A., Determination of various flocculants' performance in flocculation of lignite waste pulps (2002) Asian J. Chem., 14, pp. 413–419
♦ Ozkan, A., Aydogan, S., Yekeler, M., Critical solution surface tension for oil agglomeration (2005) International Journal of Mineral Processing, 76 (1–2), pp. 83–91., DOI 10.1016/j.minpro.2004.12.003, PII S0301751604001826
♦ Patil, D.P., Andrews, J.R.G., Uhlherr, P.H.T., Shear flocculation–kinetics of floc coalescence and breakage (2001) International Journal of Mineral Processing, 61 (3), pp. 171–188., DOI 10.1016/S0301–7516(00)00036–3, PII S0301751600000363
♦ Sonmez, I., Cebeci, Y., A study on spherical oil agglomeration of barite suspensions (2003) International Journal of Mineral Processing, 71 (1–4), pp. 219–232., DOI 10.1016/S0301–7516(03)00060–7
♦ Pietsch, W., (1991) Size Enlargement by Agglomeration, , Wiley New York
♦ House, P.A., Veal, C.J., (1992) Colloid and Surface Engineering: Applications in Process Industries, p. 188., R.A. Williams (Ed.) Butterworth–Heinemann, Oxford
♦ Huang, A.Y., Berg, J.C., Gelation of liquid bridges in spherical agglomeration (2003) Colloids and Surfaces A: Physicochemical and Engineering Aspects, 215 (1–3), pp. 241–252., DOI 10.1016/S0927–7757(02)00488–0, PII S0927775702004880; Sadowski, Z., Selective spherical agglomeration of fine salt–type mineral particles in aqueous solution (1995) Colloid Surf. A Physicochem. Eng. Aspect, 96, pp. 277–285
♦ Cebeci, Y., Sonmez, I., A study on the relationship between critical surface tension of wetting and oil agglomeration recovery of calcite (2004) Journal of Colloid and Interface Science, 273 (1), pp. 300–305., DOI 10.1016/j.jcis.2004.01.032, PII S0021979704000803
♦ Sadowski, Z., The spherical oil agglomeration of barite suspensions in the presence of surfactant and cosurfactant (1993) Colloid Surf. A Physicochem. Eng. Aspect, 80, pp. 147–152
♦ Laskowski, J.S., Yu, Z., Oil agglomeration and its effect on beneficiation and filtration of low–rank/oxidized coals (2000) International Journal of Mineral Processing, 58 (1–4), pp. 237–252., DOI 10.1016/S0301–7516(99)90040–6, PII S030175169900040X, Special issue in honor of Dr. Frank F. Aplan
♦ Sadowski, Z., Polowczyk, I., Selective spherical agglomeration of magnesite solid waste (2004) Proceedings, Xth Int. Mineral Processing Symp., pp. 629–634., Cesme–Izmir, Turkey, 5–7 October
♦ Urbina–Villalba, G., Garcia–Sucre, M., Influence of surfactant distribution on the stability of oil/water emulsions towards flocculation and coalescence (2001) Colloids and Surfaces A: Physicochemical and Engineering Aspects, 190 (1–2), pp. 111–116., DOI 10.1016/S0927–7757(01)00670–7, PII S0927775701006707
♦ Zhao, Y.P., Turay, R., Hundley, L., Monitoring and predicting emulsion stability of metalworking fluids by salt titration and laser light scattering method (2006) Tribology Trans., 49, pp. 117–123
♦ Akba, H., Sidim, T., The viscous properties of anionic/cationic and cationic/nonionic mixed surfactant systems (2005) Colloid J., 67, pp. 581–586
♦ Abismail, B., Canselier, J.P., Wilhelm, A.M., Delmas, H., Gourdon, C., Emulsification processes: On–line study by multiple light scattering measurements (2000) Ultrason. Sonochem., 7, pp. 187–192
♦ Sadowski, Z., Influence of the sodium oleate adsorption on the behavior of calcite suspensions (1993) Chemical Engineering Science, 48 (2), pp. 305–312., DOI 10.1016/0009–2509(93)80018–L
♦ Duzyol, S., Ozkan, A., Role of hydrophobibicity and surface tension on shear flocculation and oil agglomeration of magnesite (2010) Sep. Purif. Technol., 72, pp. 7–12
♦ Gence, N., Wetting behavior of magnesite and dolomite surfaces (2006) Applied Surface Science, 252 (10), pp. 3744–3750., DOI 10.1016/j.apsusc.2005.05.053, PII S0169433205008652
♦ Gong, W.Q., Parentich, A., Little, L.H., Warren, L.J., Adsorption of oleate on apatite studied by diffuse reflectance infrared Fourier transform spectroscopy (1992) Langmuir, 8, pp. 118–124
♦ Martnez–Luévanos, A., Uribe–Salas, A., López–Valdivieso, A., Mechanism of adsorption of sodium dedecylsulfonate on celesite and calcite (1999) Miner. Eng., 12, pp. 919–936
♦ Sis, H., Chander, S., Adsorption and contact angle of single and binary mixtures of surfactants on apatite (2003) Miner. Eng., 16, pp. 839–848
♦ Bastrzyk, A., Polowczyk, I., Sadowski, Z., Application of oil agglomeration to quartz particles separation from magnesie tailings in the presence of surfaktant mixtures (2008) Proceedings of XXIV International Mineral Processing Congress, pp. 4350–4355
♦ Sadowski, Z., The role of surfactant salts on the spherical agglomeration of hematite suspension (2000) Colloid Surf. A Physicochem. Eng. Aspect, 173, pp. 211–217
♦ Polowczyk, I., Bastrzyk, A., Ko¼lecki, T., Sawiñski, W., Wróbel, I., Sadowski, Z., Oil agglomeration of mineral tailing in mixed–surfactant systems (2008) Czasopismo Techniczne, 2, pp. 219–228
♦ Shafer, T., Melt pelletization in a high shear mixer. X. Agglomeration of binary systems (1996) Int. J. Pharm., 134, pp. 149–159
♦ Blandin, A.F., Mangin, D., Rivoire, A., Klein, J.P., Bossoutrot, J.M., Agglomeration in suspension of salicylic acid fine particles: Influence of some process parameters on kinetics and agglomerate final size (2003) Powder Technology, 130 (1–3), pp. 316–323., DOI 10.1016/S0032–5910(02)00210–3, PII S0032591002002103
♦ Subero–Couroyer, C., Mangin, D., Rivoire, A., Blandin, A.F., Klein, J.P., Agglomeration in suspension of salicylic acid fine particles: Analysis of the wetting period and effect of the binder injection mode on the final agglomerate size (2006) Powder Technology, 161 (2), pp. 98–109., DOI 10.1016/j.powtec.2005.08.014, PII S0032591005003815
♦ Debricant, D.P., Solnordal, C.B., Van Deventer, J.S.J., Influence of particle properties on the size of agglomerated metallurgical powders (2008) Int. J. Miner. Process., 87, pp. 17–21
♦ Somasundaran, P., The role of ionomolecular surfactant complexes in flotation (1976) Int. J. Miner. Process., 3, pp. 35–40
♦ Wen, W.W., Sun, S.C., An elecrokinetic study on oil flotation of oxidized coal (1981) Separation Science and Technology, 16 (10), pp. 1491–1521
♦ Simons, S.J.R., Modelling of agglomerating systems: From spheres to fractals (1996) Powder Technology, 87 (1), pp. 29–41., DOI 10.1016/0032–5910(95)03078–6
♦ Rabinovich, Y.I., Esayanur, M.S., Moudgil, B.M., Capillary forces between two spheres with a fixed volume liquid bridge: Theory and experiment (2005) Langmuir, 21 (24), pp. 10992–10997., DOI 10.1021/la0517639
♦ Gillies, G., Kappl, M., Butt, H.–J., Surface and capillary forces encountered by zinc sulfide microspheres in aqueous electrolyte (2005) Langmuir, 21 (13), pp. 5882–5886., DOI 10.1021/la050226l
♦ Kume, G., Gallotti, M., Numes, G., Review on anionic/cationic mixtures (2008) J. Surf. Detergents, 11, pp. 1–11
♦ Soderman, O., Herrington, K.L., Kaler, E.W., Miller, D.D., Transition from micelles to vesicles in aqueous mixtures of anionic and cationic surfactants (1997) Langmuir, 13 (21), pp. 5531–5538

Example figure:

The force – distance curve acquired using force spectroscopy mode.

Used methods:

Force Spectroscopy (force-distance curve)