Stability of Methane Hydrate Formed in Presence of Surfactants

Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

NICEC11_572

تاریخ نمایه سازی: 4 اردیبهشت 1386

Abstract:

The effects of anionic surfactants sodium dodecyl sulfate (SDS) and linear alkyl benzene sulfonate (LABS), cationic surfactant cetyl trimethyl ammonium bromide (CTAB) and non-ionic surfactant ethoxylated nonylphenol (ENP) on the dissociation rate of methane hydrate have been investigated. Each surfactant was tested with concentration of 1000 ppm and hydrate stability tests have been performed at three temperatures 268.2, 270.2 and 272.2 K with and without surfactants. The results show that all tested surfactants increase the dissociation rate of methane hydrate below the ice point. CTAB has the minimum and LABS the maximum effect on the methane hydrate dissociation rate.

Authors

Ganji

Chemical Engineering Department, Tarbiat Modarres University, Tehran, Iran، Research Institute of Petroleum Industry, Tehran, Iran

Manteghian

Research Institute of Petroleum Industry, Tehran, Iran

Sadaghiani zadeh

Chemical Engineering Department, Tarbiat Modarres University, Tehran, Iran

Omidkhah

Research Institute of Petroleum Industry, Tehran, Iran

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