Figure 5

Images of TiO2-coated barite composite particles dispersed in a kerosene medium.The TiO2-coated barite composite particles were prepared by (a) the mechanochemical method and (b) the hydrophobic aggregation method.

Images of TiO2-coated barite composite particles dispersed in a kerosene medium.The TiO2-coated barite composite particles were prepared by (a) the mechanochemical method and (b) the hydrophobic aggregation method.