University of Guilan Caspian Journal of Environmental Sciences 1735-3033 1 1 2003 01 01 Sulphide absorbing gas cleaning in the basics of ethanolamines and formaldehyde 47 51 929 EN Z.F Ismagilova, Z.F -Astrakhan State Technical University Astrakhan, Russia S.V. Mesheryakov Astrakhan State Technical University Astrakhan, Russia J.P. Vasjko Astrakhan State Technical University Astrakhan, Russia F.R. Ismagilov Astrakhan State Technical University Astrakhan, Russia Journal Article 1970 01 01 Raw material of heavy oil and gas deposits, developed in per Caspian lowland (Orenburg, Astrakhan, Tengiz, Zanazol), is characterized by high content of acid components (H2S, CO2) and sulphoorganic compounds. Under such circumstances the importance of industrial mining and development of new, economical and wasteless technologies, providing full and experienced usage of all raw compounds being developed, as well as growing ecological demands, acquire great significance. <strong>References</strong><br />  Alekseev s.Z., Afanasjev A.J., Kislenko N.N. Employment of new absorbentsat gas processing plants. Gas industry, 2000, N3, pp. 38-40. <br /> Ismagllov F.R., Vollzov A.A., Safin R.‘R. et al. 2000,Ecology and new techndogies in hydrogen  <br /> sulphide gas cleaning, Ufa, Ecology,  p. 214. <br />  Fahriev A.N., Fahrlev R.A I patent R F N2121492, Claimed in 1996, 04. 11., published in 1998, 11. 10. Method of oil, gas condensate and their fractions cleaning off merkaptans and hydrogen sulphide.<br />  lsmagilov F.R., Vasjko J.P., plvovarova N.A. et. al. 2001, New approach to sulfohydrocarbon raw material. as industry,11 p.<br />  lsmagllov F.R., Safln R.R., lsmagilova Z.F. et. al. 2001, Investigation of cydrogen sulphide absorbents in the basics of amines and formaldehyde. Works of the 2^nd International Scientific Conference" problems and perspectives of oil and gas developing industry in Kazahstan in XXI century". - Aktau State  Unviversity atter sh, Esenov,  pp.121-123.<br />  Vasilevskaya L.S. , Shimko G.l. , lsmagllov F.R. 1987, Book of methods defining concentration of polluting substances in industrial wastes . L.Hydrometheolzdat, pp. 53-55.<br />   https://cjes.guilan.ac.ir/article_929_e622cd6ad94c308afc65bb43ed30fc72.pdf