**Chapter 11**

*Colloids - Types, Preparation and Applications*

[19] Seitz, R. A. , An analysis of the theory and industrial practice of coal flotation, PhD dissertation (unpublished) , Michigan Technological

[20] R.J. Pugh, "Chapter 8: Selective coagulation of colloidal mineral particles," Developments in Mineral Processing, Elsevier, 1992, ISBN: 978-0- 444-88284-4 ISSN: 0167-4528, 243-276.

University, 1986.

**164**
