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City University of New York (CUNY)

Dissertations and Theses

Surfactant

Publication Year

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Full-Text Articles in Engineering

Methane Hydrate Formation Under Different Surfactants, Mohammad Mahmud Jan 2013

Methane Hydrate Formation Under Different Surfactants, Mohammad Mahmud

Dissertations and Theses

No abstract provided.


Hydrate Formation Using Dowfax Gemini Surfactants, Franchette Viloria Jan 2012

Hydrate Formation Using Dowfax Gemini Surfactants, Franchette Viloria

Dissertations and Theses

"Gas hydrate formation is a stochastic and slow process. However, the use of a small amount of surfactant can speed up the rate of hydrate formation. This work investigates the effect of two Dow surfactants, Dowfax 2A1 and Dowfax C6L, on gas hydrate formation, first by determining the adsorption isotherms via liquid-liquid titration methods, and then investigating the role in methane hydrate formation in a non-stirred batch reactor. Both surfactants have almost similar structure, sharing doubly charged headgroups, but these surfactants express different effects on hydrate formation. 2A1 and C6L both show monolayer formation at around concentration of 1.0 mM; …