Simultaneous in-situ macro and microscopic observation of CH4 hydrate formation/decomposition and solubility behavior using Raman spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Applied Energy"
DOI: 10.1016/j.apenergy.2019.113834
Abstract: Abstract In-depth understanding of the CH4 hydrate formation and decomposition processes is essential for energy recovery as well as related transportation/storage technologies. Raman spectroscopy is well suited for hydrate studies of aqueous-hydrate conditions, because it… read more here.
Keywords: hydrate formation; formation decomposition; ch4 hydrate; hydrate ... See more keywords
Synergistic inhibition effects of hydrophilic monomeric substances on CH4 hydrate as revealed by experimental and computational approaches
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.130794
Abstract: Abstract In this study, urea (U), acetamide (A), and glycine (G), which are easily decomposable, were suggested as kinetic hydrate inhibitors (KHIs) and potential synergists for CH4 hydrate. The inhibition performance of these substances was… read more here.
Keywords: monomeric substances; synergistic inhibition; ch4 hydrate; inhibition effects ... See more keywords
Atmospheric preservation of CH4 hydrate above ice point: A potential application for high-density natural gas storage under moderate conditions
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.120482
Abstract: Abstract Clathrate hydrates is an ideal host for natural gas, by entrapping CH4 molecules in cage-like structures composed of hydrogen-bonded water molecules, natural gas can be stored in solid form with high density. However, the… read more here.
Keywords: natural gas; ch4 hydrate; density; hydrate ... See more keywords
Inhibition of methane hydrate nucleation and growth by an antifreeze protein
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.106388
Abstract: Abstract Antifreeze proteins (AFPs) are characterized by their ability to protect organisms from subfreezing temperatures. They constitute a class of promising candidates as environmentally kinetic hydrate inhibitors (KHIs). In this study, the effectiveness of an… read more here.
Keywords: hydrate; growth; hydrate nucleation; ch4 hydrate ... See more keywords
Experimental Study on the Effect of Pressure on the Replacement Process of CO2–CH4 Hydrate below the Freezing Point
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DOI: 10.1021/acs.energyfuels.7b02655
Abstract: The recovery of natural gas from CH4 hydrate deposits in permafrost environments through injection of CO2 is considered to be a suitable strategy for CH4 production and CO2 storage. To study the replacement characteristics of… read more here.
Keywords: replacement; freezing point; co2; ch4 hydrate ... See more keywords
The Formation of CH4 Hydrate in the Slit Nanopore between the Smectite Basal Surfaces by Molecular Dynamics Simulation
Sign Up to like & getrecommendations! Published in 2018 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.8b00195
Abstract: Natural gas hydrate (NGH) formation behavior in porous sediment influences the investigation of the reservoirs and the exploitation of NGH. However, its molecular mechanisms of NGH formation in the porous sediment remain unclear. In this… read more here.
Keywords: hydrate formation; molecular dynamics; formation; ch4 hydrate ... See more keywords
Decomposition of CH4 hydrate: effects of temperature and salt from molecular simulations
Sign Up to like & getrecommendations! Published in 2018 at "Molecular Simulation"
DOI: 10.1080/08927022.2018.1478090
Abstract: ABSTRACT We report a molecular simulation study to investigate the decomposition of CH4 hydrate. The decomposition is revealed to be stepwise from the outer to inner layers. Upon decomposition, the number of 51262 cages drops… read more here.
Keywords: temperature; decomposition ch4; ch4; ch4 hydrate ... See more keywords