SCIENTIFIC FOUNDATIONS OF THE KINETICS OF SORPTION-FLOTATION PROCESSES AND OPTIMIZATION OF TECHNOLOGICAL PARAMETERS FOR THE PURIFICATION OF TECHNICAL WATER USED IN OIL FIELDS
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The article addresses the problem of purifying technical water used in oil fields, in which sorption and microbubble flotation processes are combined into a unified technological solution aimed at simultaneously removing petroleum products and mechanical impurities. In the study, the flotation stage is described by a first-order kinetic equation, while the sorption process is described by a pseudo-second-order equation, and a generalized mass balance model linking both processes is proposed. Key technological factors such as air flow rate, reagent concentration, and contact time are optimized using the response surface methodology. Through a re-analysis of existing experimental data, the effects of bubble size, ionic strength, and sorbent layer parameters on purification efficiency are quantitatively assessed. The obtained results serve to determine the optimal technological regime that ensures a high degree of purification while minimizing energy and reagent consumption under industrial conditions.
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