Methane Hydrates and Related Phenomena

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This article reviews the storage of captured CO 2 in coal seams. Other geologic formations, such as depleted petroleum reservoirs, deep saline aquifers and others have received considerable attention as sites for sequestering CO 2 . This review focuses on geologic sequestration of CO 2 in unmineable coalbeds as the ge…

• EKREM ÖZDEMİR

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• ENVER BULUR

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• HARUN KOKU

Summary The stability of a natural gas hydrate during storage at atmospheric pressure and below-freezing temperatures was studied in the laboratory. The gas hydrate was produced in a stirred vessel at 2- to 6-MPa pressure and temperatures from 0 to 20°C. The hydrate was refrigerated and stored in deep freezers at −5,…

• MAHMUT PARLAKTUNA

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• JUNNOSUKE OKAJIMA

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• JUNNOSUKE OKAJIMA

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Clathrate hydrates (CHs) are inclusion compounds in which "tetrahedrally" bonded H(2)O forms a crystalline host lattice composed of a periodic array of cages. The structure is stabilized by guest particles which occupy the cages and interact with cage walls via van der Waals interactions. A host of atoms or small mole…

• NEVİN AYTEMİZ

Abstract The Arctic Ocean has important freshwater sources including river runoff, low evaporation, and exchange with the Pacific Ocean. In the future, we expect even larger freshwater input as the global hydrological cycle accelerates, increasing high‐latitude precipitation, and river runoff. Previous modeling studie…

• MEHMET ILICAK

Natural gas hydrates from different types and concentrations of surfactant solutions were produced in a high-pressure cell. An anionic, a cationic, and a nonionic surfactant were used to prepare different concentration of surfactant solutions from deionized water. Although the thermodynamics of hydrate formation from…

• MAHMUT PARLAKTUNA