Nesren Mohamed Khairy Abdelaziz Khalf <br/><br/>
Upgrading of oil shale by flotation /  
 رفع جودة الطفلة الزيتية بواسطة التعويم الرغوى 
Nesren Mohamed Khairy Abdelaziz Khalf ; Supervised Salah Eldin M. Elmofty , Ahmad M. Elkammar , Ayman Abdelhamed Elmidany 
 - Cairo :   Nesren Mohamed Khairy Abdelaziz Khalf ,   2013 
 - 120 P. :   charts , facsimiles , maps ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering 
<br/><br/> Oil shale has gained attention as an energy resource as the price of conventional sources of petroleum has risen and as a way for some areas to secure independence from external suppliers of energy . Oil shale retorting is an expensive process and there are some environmtal consideration of issues such as land use, waste management, and water and air pollution 
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<br/><br/><label>Subjects--Index Terms: </label>Flotation  Kerogen  Oil shale