Flotation as a stage of cavitation-flotation technology for the treatment of aqueous heterogeneous media from dispersive solids and organic compounds

Integration of physical and physical-chemical processes is a principle that is inextricably linked with the development of modern technologies. Trends in the integration of technological processes are also characteristic for branches of water treatment and preparation. The combination of processes makes it possible to significantly increase the degree of sewage treatment, reduce the duration and energy intensity of the purification process, the costs to maintain optimal reagent, temperature, hydrodynamic regimes, etc.

Розроблення кавітаційно-флотаційного процесу очищення стічних вод в аспекті реалізації сучасних концепцій синтезу хіміко-технологічних систем

On the basis of the results of research of processes of wastewater from organic compounds in cavitation fields offered the concept of cavitation-flotation wastewater treatment. It implemented the main modern conceptions of the synthesis of chemical-technological systems.
На підставі результатів дослідження процесів очищення стічних вод від органічних сполук у кавітаційних полях запропоновано концепцію кавітаційно-флотаційного очищення стоків. У ній реалізовано головні сучасні концепції синтезу хіміко-технологічних систем. 

Investigations of Cavitation Processes in Different Types of Emitters Using Sonochemical Analysis

The application limits of optical and sonochemical methods to determine the sizes of cavitation bubbles and their derivatives have been analyzed. The effect of cavitation fields generated using an ultrasonic magnetostrictive oscillator and jet hydrodynamic emitter on the parameters of their acoustic signals has been examined. The bubbles size depending on emitter type and parameters has been determined using sonochemical analysis. The character of the dependence was estimated according to Minnaert formula.

The Study of the Mineralogical Composition and Flotation Parameters of Quartz-Graphitized Schist

Exploration studies in Uzbekistan revealed one graphite deposit (Taskazgan) and about 25 sites with varying perspective degree. In order to obtain the graphite for refractory industry uses insufficiently known Rupat, Zauchak and Zahchahona sites were studied. According to the research, Zahchahona site can be classified as a medium-sized field; the refined graphite content in the ore deposit is 3 to 15 %, which meets the requirements of the industry for this type of raw material. Graphite was refined by flotation and leaching process, brought to grade of 75 % carbon.