METHOD OF CLEANING NATURAL GAS GLYCOL DESICCANT SOLUTION

gas industry; units for field preparation of natural gas for main transport by means of absorption dehydration. SUBSTANCE: proposed method consists in direction of glycol solution after treatment to recuperative heat exchanger followed by supply of it to rectifying column still; cleaned concentrated...

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Bibliographische Detailangaben
Hauptverfasser:	SALIKHOV Z.S, ANANENKOV A.G, PARFENOV A.N, AKHMETSHIN B.S, BORISOV A.V, JAKUPOV Z.G, ELISTRATOV VJACHESLAV IVANOVICH, SHEVELEV S.A, GUBIN V.M, ESIKOVA L.A, TIMASHEV A.P
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:	gas industry; units for field preparation of natural gas for main transport by means of absorption dehydration. SUBSTANCE: proposed method consists in direction of glycol solution after treatment to recuperative heat exchanger followed by supply of it to rectifying column still; cleaned concentrated glycol is extracted from center portion of mass-transfer section of column. Bottom are heated in evaporator where solution being heated is maintained in liquid phase state. Bottoms are circulated in the following circuit: rectifying column-still - intermediate reservoir - solid phase settler - circulating pump - evaporator - pressure regulator - rectifying column still. Vapor escaping from upper portion of rectifying column is cooled down and condensed. Vacuum required for conducting the process is formed due to evacuation of non-condensing vapor and gases by means of vacuum pump. EFFECT: enhanced efficiency of cleaning process; reduced deposition of salts and low-volatile admixtures in apparatus; reduced power requirements. 3 cl, 1 dwg, 1 tbl