1. Biosurface modification in the separation of pyrite from coal by froth flotation;Attia,1985
2. Cleaning and desulfurization of high sulfur coal by selective flocculation and bioleaching in a draft tube fluidized bed reactor;Attia,1991
3. Application of electrochemical techniques in sulfide mineral flotation;Chander,1989
4. A comparison between Thiobacillus ferrooxidans and biological by-products in the desulfurization of coal fines in flotation;Davis,1987
5. Coal slurries desulfurization by flotation using thiophilic bacteria for pyrite depression;Elzeky;Coal Prep.,1987