Boris KsenofontovDoctor of Technical Sciences, Professor of Ecology and Industrial Safety Department, Bauman Moscow State Technical University, member of Russian Ecology Academy. He has 450 publications, including 15 training manuals and 16 monographies, issued in Rusia as well as abroad.He is the author of 200 patents. The scientist has developed the principles of a flotation theory as of multistage process that has allowed to create flotation machines and apparatuses for drain purification including flotation harvesters, introduced at different enterprises. He was the first who offered the way of a flotation thickening of active silt with two working liquids saturated of gases with different water-solubilities.He has been working as a Professor of Ecology and Industrial Safety Department at Bauman Moscow State Technical University from 1997till now.His sphere of interests is a water and soil purification, industrial safety.E-mail: kbsflot@mail.ru Read More Read Less