Results 51 to 60 of about 44,718 (285)

Types of Gas Hydrates in Marine Environments and Their Thermodynamic Characteristics

Terrestrial, Atmospheric and Oceanic Sciences, 2006
The hydrates in marine environment can be grouped into two categories,diffusion gas hydrates and vent gas hydrates. The diffusion gas hydrates occur widely in an area where bottom simulation reflector (BSR) was recorded in seismic profiles, and is a ...
Duo-Fu Chen, Zheng Su, Lawrence M. Cathles   +2 more
doaj   +1 more source

Stability, Adsorption and Diffusion of CH4, CO2 and H2 in Clathrate Hydrates

, 2010
We present a study of the adsorption and diffusion of CH4, CO2 and H2 molecules in clathrate hydrates using ab initio van der Waals density functional formalism [Dion et al. Phys. Rev. Lett. 92, 246401 (2004)].
E. D. Sloan, Felix Yndurain, Guillermo Román-Pérez, H. Endou, Jose M. Soler, M. D. Max, Mohammed Moaied   +6 more
core   +1 more source

On the volatile enrichments and composition of Jupiter [PDF]

, 2005
Using the clathrate hydrates trapping theory, we discuss the enrichments in volatiles in the atmosphere of Jupiter measured by the \textit{Galileo} probe in the framework of new extended core-accretion planet formation models including migration and disk
Olivier Mousis, Shakura N. I., Willy Benz, Yann Alibert   +3 more
core   +1 more source

Photocatalytic Versus Stoichiometric Hydrogen Generation Using Mesoporous Silicon Catalysts: The Complex Role of Sacrificial Reagents

Advanced Functional Materials, EarlyView.
This study highlights the importance of accounting for stoichiometric hydrogen produced when utilizing Si photocatalysts. The stoichiometric contribution is sacrificial reagent dependent and decreases with increasing sterics around the catalyst surface.
Sarrah H. Putwa, Sarah A. Martell, Berthold Reis, Simona Schwarz, Mita Dasog   +4 more
wiley   +1 more source

The Controlling Factors and Prediction of Deep-Water Mass Transport Deposits in the Pliocene Qiongdongnan Basin, South China Sea

Journal of Marine Science and Engineering
Large-scaled submarine slides or mass transport deposits (MTDs) widely occurred in the Pliocene Qiongdongnan Basin, South China Sea. The good seismic mapping and distinctive topography, as well as the along-striking variation in sediment supply, make it ...
Jiawang Ge, Xiaoming Zhao, Qi Fan, Weixin Pang, Chong Yue, Yueyao Chen   +5 more
doaj   +1 more source

Determination of Priority Study Areas for Coupling CO2 Storage and CH4 Gas Hydrates Recovery in the Portuguese Offshore Area

Energies, 2015
Gas hydrates in sub-seabed sediments is an unexploited source of energy with estimated reserves larger than those of conventional oil. One of the methods for recovering methane from gas hydrates involves injection of Carbon Dioxide (CO2), causing the ...
Luís Bernardes, Júlio Carneiro, Pedro Madureira, Filipe Brandão, Cristina Roque   +4 more
doaj   +1 more source

Gas Hydrate Gas Hydrate Equilibrium Measurement and Observation of Gas Hydrate Dissociation with/without a KHI

Procedia Engineering, 2016
AbstractThis paper presents new gas hydrate equilibrium data's for C2H6 (structure I) and CH4 + C3H8 (structure II) with and without the presence of sodium chloride. Macroscopic observation of gas hydrate dissociation under the presence of kinetic hydrate inhibitor (KHI) is also presented and compared with cells that have no inhibitor.
Sundramoorthy, Jega Divan, Hammonds, Paul, Lal, Bhajan, Phillips, Greg   +3 more
openaire   +1 more source

Peculiarities of geological and thermobaric conditions for the gas hydrate deposits occurence in the Black Sea and the prospects for their development [PDF]

, 2019
The actuality has been revealed of the necessity to attract the gas hydrate deposits of the Black Sea into industrial development as an alternative to traditional gas fields.
Bondarenko, V., Petlovanyi, M., Sai, K.
core  

Biotechnological aspects of sulfate reduction with methane as electron donor [PDF]

, 2010
Biological sulfate reduction can be used for the removal and recovery of oxidized sulfur compounds and metals from waste streams. However, the costs of conventional electron donors, like hydrogen and ethanol, limit the application possibilities.
Lens, P.N.L., Meulepas, R.J.W., Stams, A.J.M.   +2 more
core   +2 more sources

Tuning the Dielectric Properties of Individual Clay Nanosheets by Interlayer Composition: Toward Nano‐Electret Materials

Advanced Functional Materials, EarlyView.
The dielectric properties of clays are studied on the level of individual monolayers and functional double stacks. The material breakdown characteristics and charge storage performance are analyzed. For illustration, a defined charge pattern representing a cuneiform character is produced, written into a microscopic clay tile, referencing the origins of
Sebastian Gödrich, Paul Markus, Matthias Stöter, Bernhard Biersack, Rainer Schobert, Josef Breu, Georg Papastavrou   +6 more
wiley   +1 more source