Rheology of methane hydrate slurries during their crystallization in a water in dodecane emulsion under flowing - Mines Saint-Étienne Access content directly
Journal Articles Chemical Engineering Science Year : 2006

Rheology of methane hydrate slurries during their crystallization in a water in dodecane emulsion under flowing

Abstract

An original experimental set-up was developed and used for studying crystallization and rheology of methane hydrate/water/dodecane system. Methane is injected in a water in dodecane emulsion at low temperature and high pressure in order to form methane hydrate crystals and to move the suspension by gas lift. It behaves as a Newtonian fluid. Dynamic viscosity and conversion of water and gas into gas hydrate crystals were measured during the process for various water contents. Experimental results were explained by means of a model including nucleation, growth and agglomeration. Due to the high value of crystal and drop concentrations, agglomeration takes place through three-body collisions between one water drop and two already formed agglomerates. Resulting agglomerates were considered as fractal-like ones. During crystallization and agglomeration, the effective volume fraction of drops and porous agglomerates is increased, and then suspension viscosity increases. When all water drops are crystallized, agglomeration stops and viscosity does not change.
Fichier principal
Vignette du fichier
FG Chemical Engineering Science 2006.pdf (1.24 Mo) Télécharger le fichier
Origin : Files produced by the author(s)

Dates and versions

emse-03763489 , version 1 (29-08-2022)

Identifiers

Cite

Annie Fidel-Dufour, Frédéric Gruy, Jean-Michel Herri. Rheology of methane hydrate slurries during their crystallization in a water in dodecane emulsion under flowing. Chemical Engineering Science, 2006, 61 (2), pp.505-515. ⟨10.1016/j.ces.2005.07.001⟩. ⟨emse-03763489⟩
22 View
77 Download

Altmetric

Share

Gmail Facebook X LinkedIn More