The fundamental aspects of intensification of the mass transfer in gas!liquid flows in tubular turbulent apparatus are revealed, and dependences of the gas absorption rate on the reactor geometry and method of reagent introduction are considered for the example of dissolution of atmospheric oxygen in water.

Based on a review of the literature, it is shown that there are a large number of qualified specialists in the cultivation of microalgae to absorb carbon dioxide in the country, despite the apparent complexity of this method in comparison with the method of injecting it into the layer. Since the absorption by microalgae of the genus chlorella occurs using the energy of sunlight, then with a sufficient amount of it, emissions of additional carbon dioxide are dispensed with. This technology, like no other, depends on climatic conditions: in a climate with an average annual temperature below 0 °C, algae cultivation is impractical, here the only acceptable technology is carbon dioxide liquefaction and its injection into the layer. In a temperate climate, where the largest number of enterprises and cities in Europe and Russia are located, it is necessary to alternate technologies, that is, in summer, cultivate large areas of chlorella according to the technology proposed in the article, and in winter, reduce the area and pump some of carbon dioxide into storage.

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