METHOD OF EXTRACTION OF CARBON DIOXIDE FROM GASSES

FIELD: chemical industry; methods of extraction of carbon dioxide from gasses. ^ SUBSTANCE: the invention is pertaining to the field of chemical industry, in particular, to the method of extraction of carbon dioxide from the process and power engineering gasses, mainly from the flue gases. The metho...

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Hauptverfasser:	BAJCHTOK JULIJ KIVOVICH, SUVORKIN SERGEJ VJACHESLAVOVICH, KOSAREV GENNADIJ VLADIMIROVICH, JAZVIKOVA NADEZHDA VLADIMIROVNA, AVETISOV ALEKSANDR KONSTANTINOVICH, DEEV KONSTANTIN NIKOLAEVICH, KIBA ELENA VLADIMIROVNA, DUDAKOVA NATALIJA VLADIMIROVNA, LEJTES IOSIF LEJZEREVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	FIELD: chemical industry; methods of extraction of carbon dioxide from gasses. ^ SUBSTANCE: the invention is pertaining to the field of chemical industry, in particular, to the method of extraction of carbon dioxide from the process and power engineering gasses, mainly from the flue gases. The method is conducted by absorption- desorption of carbon dioxide by the water solution of amine with realization of the carbon dioxide desorption under pressure exceeding the pressure of the absorption. The process of the absorption-desorption is exercised in 2 stages with the carbon dioxide feeding after the desorption from the solution of the primary amine on the first stage to absorption on the second stage. The desorption process on the second stage is conducted under the pressure exceeding the pressure of the desorption on the first stage. On each stage they may use both the same and the different absorbing agents. On the second stage use the secondary or the tertiary amines, which are thermo-chemically resistant and having the low resilience of the vapors. The invention allows to reduce power inputs and the losses of the absorber. ^ EFFECT: the invention allows to reduce power inputs and the losses of the absorber. ^ 3 cl, 3 ex, 1 dwg