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2013/1
Elimination of Foaming of Alkanolamine Acids in the Process of Gas Sweetening
Oil and gas processing, chemistry of oil and gas

Authors: Oleg P. LYKOV was born in 1933. He graduated from the Gubkin Mocow Oil Institute in 1958. He is Professor of the Department of Chemical Engineering for Oil and Gas Industry at Gubkin Russian State University of Oil and Gas. He is author of over 250 scientific papers in the field of chemicals and oil and gas environment. E-mail: biblioteka@gubkin.ru
Alexander M. SPASENKOV was born in 1963, he graduated from Gubkin Russian State University of Oil and Gas in 1991. He is Deputy Head of the Technical Department at JSC “Gazprom Orenburg Production”. He is author of 14 scientific papers in the field of purification of natural and process gases. E-mail: a.spasenkov@gdo.gazprom.ru
Vladimir I. LAZAREV was born in 1932. He graduated from the Lomonosov Moscow State University in 1956. He is Senior Researcher of “VNIIOGAZ”, author of over 100 scientific papers in the field of purification of natural and process gases. E-mail: biblioteka@gubkin.ru

Abstract: The possibility to effectively remove the blowing agents from alkanolamine absorption solution by extracting them with poliphenyl ether (PPE). The used extractant is regenerated by mixing it with methyl ethyl ketone (MEK) and the precipitated substances soluble in PPE, but not soluble in the mixture of PPE and the IEC are mechanically removed, with subsequent distillation of IEC from the clarified solution and return of the recovered PPE to the extraction stage. The necessity of including into the scheme of extraction the stages of PPE water wash from alkanolamine solution and subsequent drying of the extractant is substantiated.

Index UDK: 665.63

Keywords: blowing agents, extraction, poliphenil ether, alkanolamine solution, regeneration, methyl ethyl ketone, deposition rate and drop diameter

Bibliography:
1. Spasenkov A.M., Lykov O.P., Lazarev V.I. Ekstraktsionnyy metod ustraneniya vspe-nivaniya alkanolaminovykh rastvorov na ustanovkakh ochistki gazov ot N2S i SO2//Neftepererabotka i nefte-khimiya, 2005.  No. 11.  S. 3739.
2. Patent RF No. 2366484, 22.06.2007.
3. Patent No. 69413, 22.06.2007.
4. Spasenkov A.M., Lykov O.P., Lazarev V.I. Tsiklicheskiy ekstraktsionnyy metod ustraneniya vspenivaniya alkanolaminovykh rastvorov na ustanovkakh ochistki gazov ot N2S i SO2//Neftepere-rabotka i neftekhimiya, 2008.  No. 12.  S. 1315.