Direct Observation of the Effect of Sodium Dodecyl Sulfate (SDS) on the HCFC-22 Hydrate Formation in a Static Mixer

• Published in: Chemistry letters Vol. 36; no. 10; pp. 1212 - 1213
• Main Authors: Tajima, Hideo, Nakajima, Yosuke, Otomo, Junichiro, Nagamoto, Hidetoshi, Yamasaki, Akihiro, Kiyono, Fumio
• Format: Journal Article
• Language: English
• Published: Tokyo The Chemical Society of Japan 05-10-2007; Chemical Society of Japan
• ISSN: 0366-7022; 1348-0715
• DOI: 10.1246/cl.2007.1212

Direct observation of the formation behavior of HCFC-22 hydrate in a Kenics type static mixer was conducted focusing on the effect of an addition of a surfactant, sodium dodecyl sulfate (SDS). The formation pattern of the hydrate was changed by the SDS addition from “slurry” to “plug,” and a continuous cycle of hydrate film formation and bubble escape was observed. The hydrate formation rate was increased about 10-fold by the addition of SDS (1000 ppm).