Continuous and non-continuous stirring patterns for the reactive mixing process of glycerin

In this study, the behavior of glycerin nitration reactive mixing employing continuous and non-continuous stirring patterns was investigated. The changes in nitration of glycerin were observed by means of a color change technique based on a fast nitration reaction arising from continuous stirring patterns (RUN 1 and 2) and non-continuous stirring patterns (RUN 3 and 4). Nitration process was identified from thermal behavior measured by a temperature sensor throughout the mixing process up to the formation of nitroglycerin. The results showed that the four stirring patterns (RUN 1, 2, 3, and 4) affected both the mixing time and duration of the glycerin nitration process. The temperatures in the glycerin nitration reaction were changed and increased drastically in all RUN's. These results explicitly demonstrate the different thermal behavior in the mixing performance that was stimulated by the continuous and non-continuous stirring patterns. The stirring pattern of non-continuous flows during the glycerin nitration process, RUN 3 generates the shortest reaction time and RUN 4 generates the earliest initial reaction time.