Clustering structure of aqueous solution of kinetic inhibitor of gas hydrates

Article Abstract:

The mass spectra of clusters generated from pure water, aqueous tetrahydrofuran (THF) solution, aqueous N-methylcaprolactam (NMCAP) solution, and THF-NMCAP-water three-component mixed solution are measured to investigate how the clustering structure of water is changed by the addition of these organic compounds. The different effects of methanol and poly-[N-vinylcaprolactam] (PVCAP) on the nucleation process of hydrates are experimentally proved from the viewpoint of liquid clusters.

Analysis, Natural gas, Gas hydrates, Clusters (Chemistry), Structure

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Effect of shrinking microbubble on gas hydrate formation

Article Abstract:

The first trial of the new microbubble technology applied in hydrate formation is presented. It is found that this technology is very helpful for hydrate formation because of its gas-dissolution ability and its ability to make the conditions of hydrate nucleation milder due to the microbubbles' property of increasing interior gas pressure while decreasing in size under water.

Water chemistry, Hydrates

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Xi potential of microbubbles in aqueous solutions: Electrical properties of the gas-water interface

Article Abstract:

A study to investigate the xi potential of microbubbles in aqueous solutions was conducted. The results revealed that the bubbles were negatively charged under a wide range of pH conditions and OH(super -) and O(super +) were crucial factors for charging the effects on the zeta potential because counterions were attracted by the interface charge.

Electric properties, Water, Microbubbles

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