Premelting-Induced Agglomeration of Hydrates: Theoretical Analysis and Modeling
Ngoc N. Nguyen, Rüdiger Berger, Hans‐Jürgen Butt
Abstract
= 300 μm) and a solid surface varies from 0.3 mN on a hydrophilic surface (contact angle, θ = 0°) to 0.008 mN on a superhydrophobic surface (θ = 160°). The initial contact area is 4 orders of magnitude smaller than the cross-sectional area of the hydrate sphere and can expand with increasing contact time because of the consolidation of hydrate particles on the solid surface. Our model agrees with the available experimental results and can serve as a conceptual guidance for developing a chemical-free environmentally friendly method for prevention of hydrate plugs via surface coating of pipe surfaces.
Topics & Concepts
HydratePremeltingEconomies of agglomerationMaterials scienceContact angleClathrate hydrateCapillary actionSubcoolingChemical engineeringChemical physicsNanotechnologyMineralogyComposite materialThermodynamicsChemistryMelting pointPhysicsBoilingOrganic chemistryEngineeringMethane Hydrates and Related PhenomenaSpacecraft and Cryogenic TechnologiesCO2 Sequestration and Geologic Interactions