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Образование - счетчик, рейтинг, каталог - FLEXER

Gases the separation

the separation of gas mixture into their individual components (or fraction). G. r. usually precedes drainage and cleaning of gas mixture from the harmful impurities (for example, nitrogen oxides, which form with the unsaturated hydrocarbons dangerously explosive compounds; the catalytic poisons, which impede the chem. processing of gases; hydrogen sulfide, it is water vapor, some hydrocarbons, which cause the corrosion of equipment or which harden in the equipment at low temperatures).

Basic methods g. r.: the rectification of the liquified during the deep cooling gases, absorption and adsorption, the fractionated condensation.

G. r. widely use with the separation of air and gaseous hydrocarbons. New directions in the technology g. r. are chromatography, extractive and azeotropic distillation, application of molecular sieves, gas centrifuges.

Lit.: Fastovskiy v. g., the separation of gas mixture, M. - l., of 1947; Sokolov V. A., the new method of separations of light hydrocarbons, M., 1961; Separation and the analysis of hydrocarbon gases, coll. of articles, M., 1963; Mueller g., Gnauk g., gases of high cleanliness, translated from the German, M., 1968; Yukel'son i. i., the technology of basic organic synthesis, M., 1968.

4. M. braynes.