METHOD FOR EXTRACTING VAPOURS OF AT LEAST TWO DIFFERENT HYDROCARBON PRODUCTS FROM THEIR MIXTURE WITH AIR AND HYDROCARBON PRODUCT RECOVERY UNIT

摘要

FIELD: chemistry.;SUBSTANCE: invention relates to a process for extracting different vapours of hydrocarbon products out their mixture with air and a device for extracting hydrocarbon products. Method comprises feeding a mixture containing a vapour of a first hydrocarbon product and air, into an adsorption column, adsorption of the first hydrocarbon product, opening a fluid communication between the absorption column and a first product pipeline, opening a fluid communication between the adsorption column and the absorption column, extracting the first hydrocarbon product from the absorption column into the first product pipeline, closing the fluid communication between the absorption column and the first product pipeline , feeding the mixture containing vapour of a second hydrocarbon product and air into an adsorption column, adsorbing the second hydrocarbon product, opening a fluid communication between the absorption column and the second product pipeline, opening a fluid communication between the adsorption column and the absorption column, extracting the second hydrocarbon product from the absorption column into the second product pipeline and closing the fluid communication between the absorption column and the second product pipeline.;EFFECT: invention provides effective recovery of hydrocarbon product vapours.;17 cl, 3 dwg