method of obtaining a 1.3 u0431u0443u0442u0430u0434u0438u0435u043du0430 h u0431u0443u0442u0435u043du043eu0432 by u043eu043au0438u0441u043bu0438u0442u0435u043bu044cu043du043eu0433u043e u0434u0435u0433u0438u0434u0440u0438u0440u043eu0432u0430u043du0438u044f

摘要

method of obtaining u0431u0443u0442u0430u0434u0438u0435u043du0430 h u0431u0443u0442u0435u043du0430, comprising the following steps: (a) a flow of a source gas containing n - u0431u0443u0442u0435u043du044b;) file and the source gas flow with a n - u0431u0443u0442u0435u043d and u043au0438u0441u043bu043eu0440u043eu0434u0441u043eu0434u0435u0440u0436u0430u0449u0435u0433u043e strip in at least one zone u043eu043au0438u0441u043bu0438u0442u0435u043bu044cu043du043eu0433u043e u0434u0435u0433u0438u0434u0440u0438u0440u043eu0432u0430u043du0438u044f and oxidative dehydrogenation (u0431u0443u0442u0435u043du043eu0432 in u0431u0443u0442u0430u0434u0438u0435u043du044b, etc. lake eacham receive flow from gas containing butadiene.u043du0435u043fu0440u043eu0440u0435u0430u0433u0438u0440u043eu0432u0430u0432u0448u0438u0439 - u0431u0443u0442u0435u043d, water vapor, oxygen, u043bu0435u0433u043au043eu043au0438u043fu044fu0449u0438u0435 hydrocarbons, u0432u044bu0441u043eu043au043eu043au0438u043fu044fu0449u0438u0435 side components, if necessary, oxides of carbon, and when necessary for inert gases; sa) cooling flow b from gas by contacting the organic solvent as the cooling means; cb) u0436u0430u0442u0438u0435 (gas flow from at least one level of compressionand receive at least one of water and a gas flow condenser c1 c2 containing butadiene, n - u0431u0443u0442u0435u043d, water vapor, oxygen, u043bu0435u0433u043au043eu043au0438u043fu044fu0449u0438u0435 u0443u0433u043bu0435u0432u043eu0434u043eu0440u043e yeah, if necessary, oxides of carbon and, if necessary, inert gases; d) separating the u043du0435u043au043eu043du0434u0435u043du0441u0438u0440u0443u0435u043cu044bu0445 and u043bu0435u0433u043au043eu043au0438u043fu044fu0449u0438u0445 gas components containing oxygen u043bu0435u0433u043au043eu043au0438u043fu044fu0449u0438u0435 hydrocarbons, oxides of carbon and, if necessary,if necessary, inert gases, in the form of gas flow from a gas stream by absorption d2 c2 c hydrocarbons containing butadiene and n - u0431u0443u0442u0435u043d in u0430u0431u0441u043eu0440u0431u0435u043du0442u0435, and receive a stream of absorbent, the saturated c hydrocarbons and a gas stream d2, and the subsequent u0434u0435u0441u043eu0440u0431u0446u0438u044e c hydrocarbons from a stream of absorbentthe received stream d1 and related gas; (e) separation of the flow passing c - related u044du043au0441u0442u0440u0430u043au0442u0438u0432u043du043eu0439 distillation gas through selective for u0431u0443u0442u0430u0434u0438u0435u043du0430 solution u0438u0442u0435u043bu0435u043c