International Conference on Gas Hydrates (ICGH) (6th : 2008)

CONTINUOUS PRODUCTION OF CO2 HYDRATE SLURRY ADDED ANTIFREEZE PROTEINS Tokunaga, Yusuke; Ferdows, M.; Endou, Hajime; Ota, Masahiro; Murakami, Kasuhiko


The purpose of this study is to develop the production method of CO2 hydrate-slurry. In this paper, the production process of CO2 hydrates with pure water dissolved antifreeze proteins (AFPs) is discussed. CO2 hydrate-slurry can be transported from a production place to storage one with a small pressure loss. The AFPs have made the hydrate particles be small and well disperse. It is revealed that the Type III AFPs are effective for the inhibition of structure I hydrate production. By the present experiments, the induction time for the hydrate production increases, and moreover the formation rate of the hydrate and the increasing rate of an agitator torque decrease.

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