Abstract: The processes of oxidation of organic and inorganic substances occupy an important place in modern chemistry and technology. It seems natural that such processes should be multifunctional and highly efficient. In addition, it is highly desirable that they occur in fairly mild conditions – the ideal conditions (while in most cases difficult to achieve) are atmospheric pressure and room temperature. Currently, most of the processes used in industry are carried out with a sufficiently high selectivity, and require correspondingly harsh conditions for their implementation (temperature above 100°C and increased pressure). In many cases, processes using bound oxygen as oxidants (permanganates, bichromates, hypochlorites, various peroxides) are more selective and less energy-intensive. However, such oxidizing agents are used only for low-tonnage products, since, as a rule, they are quite expensive and scarce. In addition, their use often leads to the formation of non-recyclable waste. Therefore, we can really consider only molecular oxygen as an oxidizer for the neutralization of NDMG, DMA, and methanol. This oxidizer is cheap, and the only waste products of the process are the oxidation products of water, nitrogen and CO2. Therefore, the search for new catalytic systems in this area is an important and interesting task. A promising class of compounds, among which similar catalysts have already been found, are compounds of transition metals, in particular, cobalt, nickel, copper, palladium, etc.
Index terms: catalytic purification, salt-containing effluents, liquid-phase oxidation, neutralization of industrial effluents.


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