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Warianty tytułu
Określenie możliwości separacji siarkowodoru ze strumienia gazów na membranach poliimidowych
Języki publikacji
Abstrakty
A laboratory pressure system with a membrane module was set up allowing to perform flow measurements and separation of gases and vapors. At the membrane polyimide module permeability test was conducted four mixes CH4–H2S concentrations ranging from 0.28% to 17.9% H2S, with different ratios of the permeate flow to the retentate inlet pressures in the range of 10÷96 bar. It has been found that with increasing H2S content in the inlet gas, methane losses decrease. Tests were carried out for different inlet gas flows at breakdown coefficients in the range of 0.08÷0.45.The study was conducted in a high pressure, aggressive environment for highly toxic gases. The article shows the possibility of changing the composition of product streams in the conducted membrane separation process. Three times the hydrogen sulfide content in the permeate was increased. The degree of H2S removal from the inlet gas was up to 90%. It has been found that membrane techniques can be successfully used in the preliminary stage of the natural gas sweetening process.
Zestawiono laboratoryjną instalację ciśnieniową z modułem membranowym pozwalającą wykonywać pomiary przepływu i separacji gazów i par. Na module z membranami poliimidowymi przeprowadzono badania przepuszczalności czterech mieszanek CH4–H2S o stężeniach od 0,28 % do 17,9% H2S, przy różnych stosunkach przepływu permeatu do retentatu dla ciśnień wlotowych w zakresie 10÷96 bar. Stwierdzono, że ze wzrostem zawartości H2S w gazie wlotowym, maleją straty metanu. Testy prowadzone były dla różnych przepływów gazu wlotowego przy współczynnikach podziału na strumienie w zakresie 0,08÷0,45. Badania prowadzono w wysokociśnieniowym, agresywnym środowisku dla gazów wysokotoksycznych. W artykule wykazano możliwość zmiany składu strumieni produktowych w prowadzonym procesie separacji membranowej. Uzyskano trzykrotny wzrost zawartości siarkowodoru w permeacie. Stopień usunięcia H2S z gazu wlotowego dochodził do 90%. Stwierdzono, że techniki membranowe mogą z powodzeniem być zastosowane we wstępnym etapie procesu odsiarczania gazu ziemnego.
Czasopismo
Rocznik
Tom
Strony
511--517
Opis fizyczny
Bibliogr. 37 poz., rys.
Twórcy
autor
- Oil and Gas Institute - National Research Institute, ul. Lubicz 25 A, 31-503 Kraków
autor
- Oil and Gas Institute - National Research Institute, ul. Lubicz 25 A, 31-503 Kraków
Bibliografia
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- [7] Bhide B.D., Stern S.A.: Membrane processes for the removal of acid gases from natural gas. Journal of Membrane Science 1993, vol. 81, pp. 209–237.
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- [12] Gabrielli P., Gazzani M., Mazzotti M.: On the optimal design of membrane based gas separation processes. Journal of Membrane Science 2017, vol. 526, pp. 118–130.
- [13] George G., Bhoria N., AlHallaq S., Abdala A., Mittal V.: Polymer membranes for acid gas removal from natural gas. Separation and Purification Technology 2016, vol. 158, pp. 333–356.
- [14] Ghasemzadeh K., Jafari M., Sari A., Babalou A.A.: Performance investigation of membrane process in natural gas sweetining by membrane process: modeling study. Journal of Chemical Product and Process Modeling 2016, vol. 11, pp. 2015–0054.
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- [16] Holewa J., Szlęk M.: Ocena jakości gazów palnych. Nafta-Gaz 2013, no. 6, pp. 450–454.
- [17] Hosseini S.S., Roodashti S.M., Kundu P.K., Tan, N.R.: Transport Properties of Asymmetric Hollow Fiber Membrane Permeators for Practical Applications: Mathematical Modelling for Binary Gas Mixtures. Canadian Journal of Chemical Engineering 2015, vol. 93, no. 7, pp. 1275–1287.
- [18] Huang Y., Merkel T.C., Baker W.: Pressure ratio and impact on membrane gas separation processes. Journal of Membrane Science 2014, vol. 1463, pp. 33–40.
- [19] Janocha A.: Badania obniżania zawartości CO2 w gazie ziemnym przy użyciu membrany poliimidowej. Nafta-Gaz 2016, no. 3, pp. 186–191, DOI: 10.18668/NG.2016.03.05.
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- [35] Vaughan J.T., Koros W.J.: Analysis of feed stream acid gas concentration effects on the transport properties and separation performance of polymeric membranes for natural gas sweetening: A comparison between a glassy and rubbery polymer. Journal of Membrane Science 2014, vol. 465, pp. 107–116.
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- Legal and normative acts
- [37] PN-C 94752:2011 Gaz ziemny. Jakość gazu w sieci przesyłowej.
Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d9e3e9c2-18f9-40df-b767-3c77b427c011