2008
DOI: 10.2516/ogst:2008009
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Solubility and Diffusion Coefficient of Hydrogen Sulphide in Polyethylene Glycol 400 from 100 to 140°C

Abstract: Résumé -Solubilité et coefficient de diffusion du sulfure d'hydrogène dans le polyéthylène glycol 400 de 100 à 140 ºC -La limitation des rejets de gaz à effet de serre et de gaz acides, comme le sulfure d'hydrogène, est désormais une préoccupation majeure lors de la conception de procédés industriels. Dans ce contexte, Clauspol ® est un procédé de traitement des gaz de queue du Claus qui répond à ce besoin en atteignant des taux de récupération en soufre élevés. Il consiste à convertir chimiquement H 2 S et SO… Show more

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Cited by 5 publications
(6 citation statements)
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“…Gas diffusion into lubricants has been shown to correlate well with molecular weight, which is typically proportional to the viscosity in synthetic lubricants. Diffusion has been shown in the past to be a function of solvent viscosity for a variety of fluids including ionic liquids, organic solvents, aqueous solutions, and oils [60,84]. This relationship holds for the GELs evaluated here with a log-linear relationship between viscosity and CO 2 diffusivity observed.…”
Section: Gas-expanded Lubricant Propertiessupporting
confidence: 63%
“…Gas diffusion into lubricants has been shown to correlate well with molecular weight, which is typically proportional to the viscosity in synthetic lubricants. Diffusion has been shown in the past to be a function of solvent viscosity for a variety of fluids including ionic liquids, organic solvents, aqueous solutions, and oils [60,84]. This relationship holds for the GELs evaluated here with a log-linear relationship between viscosity and CO 2 diffusivity observed.…”
Section: Gas-expanded Lubricant Propertiessupporting
confidence: 63%
“…However, the key to solve this problem involves finding the solutions for Eqs. (12) and (13), which is mathematically challenging. The physical significance of the solutions is not obvious, and the exact analytical solutions cannot be obtained without knowing the specific values of D g , k 1 , and/or k −1 .…”
Section: Theorymentioning
confidence: 99%
“…For example, Ferrando et al [12] studied the solubility and diffusion coefficient of H 2 S in polyethylene glycol at 373, 393, and 413 K. Halmour and Sandall [13] conducted his research of H 2 S diffusing in water in a temperature range of 288-308 K under the atmospheric pressure using a laminar jet method. Tamimi et al [14] tested a wider temperature range for more gas diffusions (H 2 S, N 2 O, and CO 2 ) in water using a wetted-sphere method.…”
Section: Introductionmentioning
confidence: 98%
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“…The residual H 2 S and SO 2 concentrations in the input acidic gas are typically 1% vol at atmospheric pressure. Taking into account Henry’s law constants of H 2 S and SO 2 in PEG (1409 and 420 Pa m 3 mol −1 , respectively), the order of magnitude of the total concentration of sulfur species in the PEG phase is expected to be lower than 10 −3 mol/L. This raw estimation shows that the chosen analytical method should have detection limits lower than 10 −4 mol/L to probe sulfur species.…”
Section: Sulfur Speciation During the Claus Reactionmentioning
confidence: 99%