Theoretical foundations of chemical technology and the development of effective chemical-technological processes / Laboratory of theoretical foundations of chemical technology
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Description
Main areas of workThe laboratory was established in 1945 on the initiative of academicians N.M. Zhavoronkova and I.V. Kurchatov to solve scientific and practical problems of separation of mixtures in the chemical and related industries.
Development of physico-chemical bases of intensification of heat and mass transfer processes in chemical technology, development of physical and chemical methods of their intensification.
Energy efficient hybrid processes of separation of mixtures of components based on rectification, extraction and crystallization.
Development of "smart" extraction systems for chemical-technological processes of extraction and separation of the components of liquid mixtures.
Development of environmentally friendly two-phase aqueous extraction systems for the pharmaceutical, food and biotechnology industries
Development of highly efficient and environmentally friendly extraction methods for the disposal of industrial waste.
Water purification using chemical and physical methods of intensification.
The most significant results
A model of high-intensity mass transfer in a dispersed-annular stream of liquid and gas (steam) and a method for calculating film columns with a downward flow of phases have been created. The results are implemented in industry.
The mechanism is revealed and the theory of diffusion-thermal instability of Marangoni is constructed. The connection with the intensification of industrial processes is shown.
Ecologically safe extraction stages of leaching solutions processing in battery utilization processes have been developed.
Extraction methods have been developed for the production of organic acids from liquid waste products (for example, caprolactam production wastes, fermentation solutions, etc.), which creates prerequisites for developing innovative technologies, import substitution and improving environmental safety in the field of mixture separation processes.
Methods have been developed for calculating a number of new hybrid processes based on distillation and crystallization from the melt.
An extraction method has been developed for the preparation of particles of metal oxides of various forms of nano- and micrometer size at the interface in two-phase aqueous systems.
A scientifically based method has been developed for the calculation of extractive rectification, taking into account the actual kinetics of mass transfer in a liquid film flowing down the nozzle.
The optimal schemes for the technological implementation of the processes of ultrasonic excitation of nonlinear flows, significantly increasing the efficiency of extraction and creating a unique situation of liquid isolation from contact with the equipment of external influence, have been compiled.
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