Results 31 to 40 of about 10,780 (258)

An experimental study of the synergistic effects of BMIM-BF4, BMIM-DCA and TEACl aqueous solutions on methane hydrate formation

Petroleum Science, 2019
In this work, the effects of three ionic liquids (ILs), namely, 1-butyl-3-methylimidazolium tetrafluoroborate, 1-butyl-3-methylimidazolium dicyanamide and tetraethyl-ammonium chloride, on methane hydrate formation and dissociation kinetic parameters were
Ali Rasoolzadeh, Jafar Javanmardi, Amir H. Mohammadi   +2 more
doaj   +1 more source

Synthesis of Chitosan Derivatives and Their Inhibition Effects on Methane Hydrates

Energies, 2022
In recent years, the study of natural polymer products such as methane hydrate inhibitors has attracted more and more attention in the scientific research field.
Yue Zhang, Zhi Li, Xiaodeng Yang, Tianduo Li   +3 more
doaj   +1 more source

Different Mechanism Effect between Gas-Solid and Liquid-Solid Interface on the Three-Phase Coexistence Hydrate System Dissociation in Seawater: A Molecular Dynamics Simulation Study

Energies, 2017
Almost 98% of methane hydrate is stored in the seawater environment, the study of microscopic mechanism for methane hydrate dissociation on the sea floor is of great significance to the development of hydrate production, involving a three-phase ...
Zhixue Sun, Haoxuan Wang, Jun Yao, Chengwei Yang, Jianlong Kou, Kelvin Bongole, Ying Xin, Weina Li, Xuchen Zhu   +8 more
doaj   +1 more source

Modeling the climate response to a massive methane release from gas hydrates [PDF]

, 2004
[1] The climate response to a massive release of methane from gas hydrates is simulated in two 2500-year-long numerical experiments performed with a three-dimensional, global coupled atmosphere-sea ice-ocean model of intermediate complexity.
Goosse, H., Fichefet, Thierry, Beets, C.J.; id_orcid, C. J. Beets, Renssen, H., H. Goosse, Kroon, Dirk, Fichefet, T., D. Kroon, Kroon, D., Beets, CJ, Goosse, Hugues, Beets, C. J., T. Fichefet, Kroon, D, Beets, C.J., H. Renssen   +16 more
core   +1 more source

Adaptive modeling of methane hydrates

Procedia Computer Science, 2010
AbstractWe consider a computational model for the evolution of methane hydrates in subsurface. Methane hydrates, an ice-like compound abundant in subsea sediments and unstable in standard conditions, are an environmental hazard and simultaneously an energy source. Our multiphysics model includes multiphase multicomponent mass conservation equations and
Malgorzata Peszynska, Marta Torres, Anne Trèhu   +2 more
openaire   +1 more source

Specific Ion Effects of Chaotropic and Superchaotropic Anions Probed by Raman Hydration‐Shell Spectroscopy

Angewandte Chemie, EarlyView.
The vibrational frequencies of “dangling” water O─H bonds can be determined by Raman hydration‐ shell spectroscopy and used to differentiate chaotropes from kosmotropes and hydrophobes. Dangling O─H bonds are also detected around superchaotropic anions of the borate cluster type (B12X122−; X = H, F, Cl, Br, and I) but their frequencies do not directly ...
Werner M. Nau, Denilson Mendes de Oliveira, Andres S. Urbina, Harald Knorke, Jonas Warneke, Andrea Barba‐Bon, Dor Ben‐Amotz   +6 more
wiley   +2 more sources

Formation of a Low-Density Liquid Phase during the Dissociation of Gas Hydrates in Confined Environments

Nanomaterials, 2021
The large amounts of natural gas in a dense solid phase stored in the confined environment of porous materials have become a new, potential method for storing and transporting natural gas.
Lihua Wan, Xiaoya Zang, Juan Fu, Xuebing Zhou, Jingsheng Lu, Jinan Guan, Deqing Liang   +6 more
doaj   +1 more source

Methane release from warming-induced hydrate dissociation in the West Svalbard continental margin: timing, rates, and geological controls

, 2013
Hundreds of plumes of methane bubbles, first observed in 2008, emanate from an area of the seabed off West Svalbard that has become 1°C warmer over the past 30 years. The distribution of the plumes, lying close to and upslope from the present upper limit
Thatcher, K.E., Westbrook, G.K., Sarkar, S., Minshull, T.A.   +3 more
core   +1 more source

Molecular Simulations of Methane Hydrate Nucleation

ChemPhysChem, 2010
Gas hydrates have been known for 200 years or more and the nature of these interesting solids remained hidden until crystallographic studies some 140 years later revealed that they were crystalline guest–host materials classified as clathrates. [1] The discovery of vast quantities of natural gas hydrate in sediment offshore on the continental margins ...
Ripmeester, John A., Alavi, Saman
openaire   +4 more sources

Major factors influencing the generation of natural gas hydrate in porous media

Natural Gas Industry B, 2017
Current researches related to natural gas hydrate mainly focus on its physical and chemical properties, as well as the approaches to the production (decomposition) of hydrate.
V.N. Khlebnikov, S.V. Antonov, A.S. Mishin, Meng Liang, I.V. Khamidullina, P.M. Zobov, N.V. Likhacheva, P.A. Gushchin   +7 more
doaj   +1 more source